Willi A. Kalender
#29,687
Most Influential Person Now
Medical physicist credited with the invention and development of spiral scan computed tomography
Willi A. Kalender's AcademicInfluence.com Rankings
Download Badge
Physics
Why Is Willi A. Kalender Influential?
(Suggest an Edit or Addition)According to Wikipedia, Willi A. Kalender is a German medical physicist and professor and former chairman of the Institute of Medical Physics of the University of Erlangen-Nuremberg. Kalender has produced several new technologies in the field of diagnostic radiology imaging.
Willi A. Kalender's Published Works
Published Works
- Spiral volumetric CT with single-breath-hold technique, continuous transport, and continuous scanner rotation. (1990) (1037)
- X-ray computed tomography (2006) (812)
- Multisection CT protocols: sex- and age-specific conversion factors used to determine effective dose from dose-length product. (2010) (742)
- Detection of Coronary Artery Stenoses by Contrast-Enhanced, Retrospectively Electrocardiographically-Gated, Multislice Spiral Computed Tomography (2001) (687)
- The Measurement, Reporting, and Management of Radiation Dose in CT (2008) (669)
- Iterative reconstruction methods in X-ray CT. (2012) (654)
- Computed tomography : fundamentals, system technology, image quality, applications (2000) (652)
- Reduction of CT artifacts caused by metallic implants. (1987) (636)
- Evaluation of a prototype dual-energy computed tomographic apparatus. I. Phantom studies. (1986) (456)
- Contrast-enhanced coronary artery visualization by dual-source computed tomography--initial experience. (2006) (416)
- Dose reduction in CT by anatomically adapted tube current modulation. II. Phantom measurements. (1999) (362)
- Noninvasive visualization of coronary arteries using contrast-enhanced multidetector CT: influence of heart rate on image quality and stenosis detection. (2002) (344)
- Evaluation of section sensitivity profiles and image noise in spiral CT. (1992) (332)
- Dose reduction in CT by anatomically adapted tube current modulation. I. Simulation studies. (1999) (325)
- Flat-detector computed tomography (FD-CT) (2007) (311)
- Generalized multi-dimensional adaptive filtering for conventional and spiral single-slice, multi-slice, and cone-beam CT. (2001) (304)
- Correlation between CT numbers and tissue parameters needed for Monte Carlo simulations of clinical dose distributions (2000) (302)
- Noninvasive Coronary Angiography by Retrospectively ECG-Gated Multislice Spiral CT (2000) (295)
- A new accurate and precise 3-D segmentation method for skeletal structures in volumetric CT data (2003) (292)
- Benefits of 2 years of intense exercise on bone density, physical fitness, and blood lipids in early postmenopausal osteopenic women: results of the Erlangen Fitness Osteoporosis Prevention Study (EFOPS). (2004) (279)
- Achieving routine submillisievert CT scanning: report from the summit on management of radiation dose in CT. (2012) (263)
- Rapid protyping technology in medicine--basics and applications. (1999) (261)
- ECG-correlated image reconstruction from subsecond multi-slice spiral CT scans of the heart. (2000) (253)
- Dose reduction in CT by on-line tube current control: principles and validation on phantoms and cadavers (1999) (253)
- A PC program for estimating organ dose and effective dose values in computed tomography (1999) (252)
- Physical performance characteristics of spiral CT scanning. (1991) (252)
- Influence of heart rate on the diagnostic accuracy of dual-source computed tomography coronary angiography. (2007) (240)
- Coronary artery calcium: a multi-institutional, multimanufacturer international standard for quantification at cardiac CT. (2007) (239)
- Accuracy limits for the determination of cortical width and density: the influence of object size and CT imaging parameters. (1999) (237)
- The European Spine Phantom--a tool for standardization and quality control in spinal bone mineral measurements by DXA and QCT. (1995) (236)
- Dose reduction in computed tomography by attenuation-based on-line modulation of tube current: evaluation of six anatomical regions (2000) (230)
- Electrocardiogram-correlated image reconstruction from subsecond spiral computed tomography scans of the heart. (1998) (229)
- Reference values for trabecular and cortical vertebral bone density in single and dual-energy quantitative computed tomography. (1989) (219)
- An algorithm for noise suppression in dual energy CT material density images. (1988) (213)
- Vertebral bone mineral analysis: an integrated approach with CT. (1987) (209)
- A pragmatic approach to metal artifact reduction in CT: merging of metal artifact reduced images (2004) (208)
- Noninvasive coronary angiography by retrospectively ECG-gated multislice spiral CT. (2000) (208)
- Application- and patient size-dependent optimization of x-ray spectra for CT. (2009) (205)
- Measurement of pulmonary parenchymal attenuation: use of spirometric gating with quantitative CT. (1990) (205)
- Prospectively ECG-triggered high-pitch spiral acquisition for coronary CT angiography using dual source CT: technique and initial experience (2009) (205)
- Technical approaches to the optimisation of CT. (2008) (202)
- Investigation of aortocoronary artery bypass grafts by multislice spiral computed tomography with electrocardiographic-gated image reconstruction. (2001) (200)
- A Comparison of Conventional and Spiral CT: An Experimental Study on the Detection of Spherical Lesions (1994) (197)
- Dose reduction in CT examination of children by an attenuation-based on-line modulation of tube current (CARE Dose) (2002) (190)
- Dose in x-ray computed tomography (2014) (188)
- Validation of a Monte Carlo tool for patient-specific dose simulations in multi-slice computed tomography (2008) (187)
- Advanced single-slice rebinning in cone-beam spiral CT. (2000) (184)
- Assessment of calcium scoring performance in cardiac computed tomography (2003) (179)
- Evaluation of a prototype dual-energy computed tomographic apparatus. II. Determination of vertebral bone mineral content. (1986) (177)
- Volumetric quantitative computed tomography of the proximal femur: relationships linking geometric and densitometric variables to bone strength. Role for compact bone (2006) (174)
- Coronary artery calcium screening: current status and recommendations from the European Society of Cardiac Radiology and North American Society for Cardiovascular Imaging (2008) (169)
- Semiautomatic evaluation procedures for quantitative CT of the lung. (1991) (167)
- Lung: spiral volumetric CT with single-breath-hold technique. (1990) (167)
- A hierarchical 3D segmentation method and the definition of vertebral body coordinate systems for QCT of the lumbar spine (2006) (163)
- Effects of whole body vibration on bone mineral density and falls: results of the randomized controlled ELVIS study with postmenopausal women (2010) (160)
- Effects of adaptive section collimation on patient radiation dose in multisection spiral CT. (2009) (159)
- Reduction of dose to the female breast in thoracic CT: a comparison of standard-protocol, bismuth-shielded, partial and tube-current-modulated CT examinations (2008) (159)
- Power training is more effective than strength training for maintaining bone mineral density in postmenopausal women. (2005) (154)
- Exercise maintains bone density at spine and hip EFOPS: a 3-year longitudinal study in early postmenopausal women (2005) (154)
- Exercise effects on bone mineral density, falls, coronary risk factors, and health care costs in older women: the randomized controlled senior fitness and prevention (SEFIP) study. (2010) (154)
- Empirical cupping correction: a first-order raw data precorrection for cone-beam computed tomography. (2006) (146)
- Geometric misalignment and calibration in cone-beam tomography. (2004) (142)
- Thin-section three-dimensional spiral CT: is isotropic imaging possible? (1995) (142)
- Combining deterministic and Monte Carlo calculations for fast estimation of scatter intensities in CT (2006) (138)
- Image quality of ultra-low radiation exposure coronary CT angiography with an effective dose <0.1 mSv using high-pitch spiral acquisition and raw data-based iterative reconstruction (2013) (137)
- Technical advances in multi-slice spiral CT. (2000) (134)
- Dual-source cardiac computed tomography: image quality and dose considerations (2008) (126)
- Comparison of ring artifact correction methods for flat-detector CT (2009) (125)
- Exercise effects on fitness and bone mineral density in early postmenopausal women: 1-year EFOPS results. (2002) (122)
- A novel forward projection-based metal artifact reduction method for flat-detector computed tomography (2009) (122)
- High-resolution spiral CT of the breast at very low dose: concept and feasibility considerations (2011) (121)
- Effective dose values in bone mineral measurements by photon absorptiometry and computed tomography (1992) (118)
- Estimates of effective dose for CT scans of the lower extremities. (2014) (113)
- Quantitative Whole Heart Stress Perfusion CT Imaging as Noninvasive Assessment of Hemodynamics in Coronary Artery Stenosis: Preliminary Animal Experience (2010) (113)
- Dose reduction in subsecond multislice spiral CT examination of children by online tube current modulation (2004) (112)
- Interactive 3D editing tools for image segmentation (2004) (110)
- Kymogram detection and kymogram-correlated image reconstruction from subsecond spiral computed tomography scans of the heart. (2002) (109)
- Comparison of Image Quality in Contrast-enhanced Coronary-artery Visualization by Electron Beam Tomography and Retrospectively Electrocardiogram-gated Multislice Spiral Computed Tomography (2003) (107)
- Simultaneous misalignment correction for approximate circular cone-beam computed tomography (2008) (102)
- Bolus geometry and dynamics after intravenous contrast medium injection. (1984) (102)
- Effect of whole‐body vibration on neuromuscular performance and body composition for females 65 years and older: a randomized‐controlled trial (2012) (102)
- A phantom for standardization and quality control in spinal bone mineral measurements by QCT and DXA: design considerations and specifications. (1992) (102)
- ECG-correlated imaging of the heart with subsecond multislice spiral CT (2000) (102)
- Standardized quantitative high resolution CT in lung diseases. (1991) (101)
- Measurement of slice sensitivity profiles in spiral CT. (1994) (99)
- Integrated Whole-Body PET/MR Hybrid Imaging: Clinical Experience (2013) (97)
- Monte Carlo calculations of x-ray scatter data for diagnostic radiology. (1981) (94)
- The effect of habitual physical activity, non-athletic exercise, muscle strength, and VO2max on bone mineral density is rather low in early postmenopausal osteopenic women. (2004) (93)
- Spiral Interpolation Algorithms for Multi-Slice Spiral CT Part I: Theory (2000) (93)
- A new calibration phantom for quantitative computed tomography. (1987) (93)
- High-Pitch Electrocardiogram-Triggered Computed Tomography of the Chest: Initial Results (2009) (88)
- Differential effects of strength versus power training on bone mineral density in postmenopausal women: a 2-year longitudinal study (2007) (88)
- [The use of flat-panel detectors for CT imaging]. (2003) (86)
- The Erlangen Fitness Osteoporosis Prevention Study: a controlled exercise trial in early postmenopausal women with low bone density-first-year results. (2003) (86)
- Forensic microradiology: micro-computed tomography (Micro-CT) and analysis of patterned injuries inside of bone. (2003) (84)
- Metal Artifact Reduction for Clipping and Coiling in Interventional C-Arm CT (2010) (84)
- Exercise, body composition, and functional ability: a randomized controlled trial. (2010) (82)
- Flat Panel Detector Angiographic CT for Stent-Assisted Coil Embolization of Broad-Based Cerebral Aneurysms (2007) (82)
- Empirical Dual Energy Calibration (EDEC) for Cone-Beam Computed Tomography (2006) (77)
- Technical feasibility proof for high-resolution low-dose photon-counting CT of the breast (2017) (76)
- Extended parallel backprojection for standard three-dimensional and phase-correlated four-dimensional axial and spiral cone-beam CT with arbitrary pitch, arbitrary cone-angle, and 100% dose usage. (2004) (75)
- The effect of angular and longitudinal tube current modulations on the estimation of organ and effective doses in x-ray computed tomography. (2009) (74)
- [Micro-CT. Technology and application for assessing bone structure]. (1999) (73)
- Fast on-site Monte Carlo tool for dose calculations in CT applications. (2012) (71)
- Cardiac spiral dual-source CT with high pitch: a feasibility study (2009) (70)
- Technical foundations of spiral CT. (1994) (69)
- Exercise effects on menopausal risk factors of early postmenopausal women: 3-yr Erlangen fitness osteoporosis prevention study results. (2005) (68)
- Implementation of a cone-beam reconstruction algorithm for the single-circle source orbit with embedded misalignment correction using homogeneous coordinates. (2001) (67)
- Ring artifact correction for high-resolution micro CT (2009) (67)
- Exercise decreases the risk of metabolic syndrome in elderly females. (2009) (67)
- A phantom for standardization and quality control in peripheral bone measurements by PQCT and DXA (1993) (66)
- Dual X-ray absorptiometry--cross-calibration and normative reference ranges for the spine: results of a European Community Concerted Action. (1995) (66)
- European semi-anthropomorphic spine phantom for the calibration of bone densitometers: Assessment of precision, stability and accuracy the European quantitation of osteoporosis study group (1995) (65)
- [Digital volume tomography (DVT) and multislice spiral CT (MSCT): an objective examination of dose and image quality]. (2011) (65)
- Determination of the position of nucleus cochlear implant electrodes in the inner ear. (1994) (65)
- A formulation of tissue- and water-equivalent materials using the stoichiometric analysis method for CT-number calibration in radiotherapy treatment planning (2012) (64)
- Bone mineral measurement: automated determination of midvertebral CT section. (1988) (62)
- Reducing Metal Artifacts in Computed Tomography Caused by Hip Endoprostheses Using a Physics-Based Approach (2010) (62)
- Dual X‐ray absorptiometry of the proximal femur: Normal european values standardized with the european spine phantom (1995) (61)
- Guest Editorial - Multirow Detector and Cone-Beam Spiral/Helical CT (2000) (61)
- Algorithms for the reduction of CT artifacts caused by metallic implants (1990) (60)
- Bone status in elite male runners (2005) (58)
- Angiofil®‐mediated visualization of the vascular system by microcomputed tomography: A feasibility study (2008) (57)
- Efficiency of antiscatter grids for flat-detector CT (2007) (57)
- CT: the unexpected evolution of an imaging modality (2005) (55)
- European semi-anthropomorphic phantom for the cross-calibration of peripheral bone densitometers: assessment of precision accuracy and stability. (1994) (55)
- Perfusion measurements by micro-CT using prior image constrained compressed sensing (PICCS): initial phantom results (2010) (54)
- Flat Panel Detector Angiographic CT in the Management of Aneurysmal Rupture During Coil Embolization (2008) (52)
- Spiral interpolation algorithms for multislice spiral CT. II. Measurement and evaluation of slice sensitivity profiles and noise at a clinical multislice system (2000) (52)
- Development of a robotic FD‐CT‐guided navigation system for needle placement—preliminary accuracy tests (2011) (52)
- Reduction of X-Ray Induced DNA Double-Strand Breaks in Blood Lymphocytes During Coronary CT Angiography Using High-Pitch Spiral Data Acquisition With Prospective ECG-Triggering (2010) (52)
- An extensible software-based platform for reconstruction and evaluation of CT images. (2004) (51)
- An anatomic coordinate system of the femoral neck for highly reproducible BMD measurements using 3D QCT. (2005) (51)
- Exercise and fractures in postmenopausal women: 12-year results of the Erlangen Fitness and Osteoporosis Prevention Study (EFOPS) (2012) (50)
- Potential of high-Z contrast agents in clinical contrast-enhanced computed tomography. (2011) (49)
- [Spiral-CT: a new technique for volumetric scans. I. Basic principles and methodology]. (1990) (49)
- Concepts for dose determination in flat-detector CT (2008) (48)
- Reanalysis precision of 3D quantitative computed tomography (QCT) of the spine. (2009) (48)
- Anniversary Paper: Development of x-ray computed tomography: The role of Medical Physics and AAPM from the 1970s to present. (2008) (48)
- System performance of multislice spiral computed tomography. (2000) (48)
- Coronary artery calcium screening: current status and recommendations from the European Society of Cardiac Radiology and North American Society for Cardiovascular Imaging (2008) (48)
- Volume-of-interest (VOI) imaging in C-arm flat-detector CT for high image quality at reduced dose. (2010) (47)
- Image features for misalignment correction in medical flat-detector CT. (2012) (46)
- Impact of the z-flying focal spot on resolution and artifact behavior for a 64-slice spiral CT scanner (2006) (46)
- X-ray scatter data for flat-panel detector CT. (2007) (45)
- Acute hormonal responses of a high impact physical exercise session in early postmenopausal women (2003) (45)
- LONG‐TERM FOUR‐YEAR EXERCISE HAS A POSITIVE EFFECT ON MENOPAUSAL RISK FACTORS: THE ERLANGEN FITNESS OSTEOPOROSIS PREVENTION STUDY (2007) (44)
- Intensity distribution and impact of scatter for dual-source CT (2007) (44)
- Dedicated Breast Computed Tomography With a Photon-Counting Detector: Initial Results of Clinical In Vivo Imaging. (2019) (44)
- Akt and p53 are potential mediators of reduced mammary tumor growth by cloroquine and the mTOR inhibitor RAD001. (2012) (43)
- Assessment of patient dose from CT localizer radiographs. (2013) (43)
- A fast and pragmatic approach for scatter correction in flat-detector CT using elliptic modeling and iterative optimization (2010) (43)
- Needle and catheter navigation using electromagnetic tracking for computer-assisted C-arm CT interventions (2007) (42)
- Multithreaded cardiac CT. (2006) (41)
- Flying focal spot (FFS) in cone-beam CT (2006) (40)
- Standardization of Spine BMD Measurements (1995) (39)
- Presampling, algorithm factors, and noise: considerations for CT in particular and for medical imaging in general. (2005) (38)
- In vivo micro-CT imaging of rat brain glioma: A comparison with 3T MRI and histology (2009) (38)
- Advanced single-slice rebinning for tilted spiral cone-beam CT. (2001) (38)
- A Navigation System for Minimally Invasive CT-Guided Interventions (2005) (37)
- Effects of whole-body vibration training on different devices on bone mineral density. (2011) (36)
- Unwrapping cochlear implants by spiral CT (1996) (36)
- Volume-of-interest (VOI) imaging in C-arm flat-detector CT for high image quality at reduced dose. (2010) (36)
- Global and regional variations in the spinal trabecular bone: single and dual energy examinations. (1991) (35)
- Development, implementation and evaluation of a dedicated metal artefact reduction method for interventional flat-detector CT. (2010) (35)
- Effect of exercise and Cimicifuga racemosa (CR BNO 1055) on bone mineral density, 10-year coronary heart disease risk, and menopausal complaints: the randomized controlled Training and Cimicifuga racemosa Erlangen (TRACE) study (2010) (34)
- Statistical Cone-Beam CT Image Reconstruction using the Cell Broadband Engine (2006) (34)
- Effect of block‐periodized exercise training on bone and coronary heart disease risk factors in early post‐menopausal women: a randomized controlled study (2013) (33)
- Technical note: comparing coherent and incoherent scatter effects for cone-beam CT (2008) (33)
- Bone marrow lesions identified by MRI in knee osteoarthritis are associated with locally increased bone mineral density measured by QCT. (2013) (33)
- Brain perfusion studies by xenon-enhanced CT using washin/washout study protocols. (1991) (33)
- A quality assurance framework for the fully automated and objective evaluation of image quality in cone-beam computed tomography. (2014) (33)
- The wash-in/washout protocol in stable xenon CT cerebral blood flow studies. (1992) (33)
- Spectral optimization for dedicated breast CT. (2010) (33)
- Calculation of x-ray grid characteristics by Monte Carlo methods. (1982) (32)
- Flying focal spot (FFS) in cone-beam CT (2004) (32)
- Building a statistical shape model of the pelvis (2004) (31)
- Comparison of extended field-of-view reconstructions in C-arm flat-detector CT using patient size, shape or attenuation information (2011) (30)
- Advanced single-slice rebinning in cone-beam spiral CT: theoretical considerations and medical applications (2000) (30)
- Dosimetry concepts for scanner quality assurance and tissue dose assessment in micro-CT. (2012) (28)
- Spiral interpolation algorithm for multislice spiral CT. I. Theory (2000) (27)
- Improving PET/CT attenuation correction with iterative CT beam hardening correction (2005) (26)
- Effect of exercise, body composition, and nutritional intake on bone parameters in male elite rock climbers. (2006) (26)
- Improvement of image quality of multislice spiral CT scans of the head and neck region using a raw data-based multidimensional adaptive filtering (MAF) technique (2004) (26)
- [Computer-assisted navigation system for interventional CT-guided procedures: results of phantom and clinical studies]. (2008) (26)
- Direct comparison of a xenon and a solid-state CT detector system: measurements under working conditions (2000) (26)
- Multicentre European COMAC-BME study on the standardisation of bone densitometry procedures. (1993) (26)
- Robot arm based flat panel CT-guided electromagnetic tracked spine interventions: phantom and animal model experiments (2010) (26)
- Reduction of dose to the female breast as a result of spectral optimisation for high-contrast thoracic CT imaging: a phantom study. (2009) (25)
- Medical volume exploration: gaining insights virtually. (2000) (25)
- Dual energy CTA of the supraaortic arteries: technical improvements with a novel dual source CT system. (2010) (25)
- On the Correlation of Pixel Noise, Spatial Resolution and Dose in Computed Tomography : Theoretical Prediction and Verification by Simulation and Measurement (2003) (24)
- Respiratory phase-correlated micro-CT imaging of free-breathing rodents (2009) (24)
- Statistical Face Models for the Prediction of Soft-Tissue Deformations After Orthognathic Osteotomies (2005) (24)
- Low vertebral bone density values in young non-elite female runners. (1991) (24)
- In healthy elderly postmenopausal women variations in BMD and BMC at various skeletal sites are associated with differences in weight and lean body mass rather than by variations in habitual physical activity, strength or VO2max. (2008) (24)
- Performance of Photon-Counting Breast Computed Tomography, Digital Mammography, and Digital Breast Tomosynthesis in Evaluating Breast Specimens. (2017) (23)
- New low-contrast resolution phantoms for computed tomography. (1999) (23)
- [Vascular imaging with spiral-CT. The path to CT-angiography]. (1993) (23)
- CT-based attenuation correction : the effects of imaging with the arms in the field of view (2001) (23)
- Principles and applications of spiral CT. (1994) (22)
- [Basic principles of flat detector computed tomography (FD-CT)]. (2009) (22)
- High Atomic Number Contrast Media Offer Potential for Radiation Dose Reduction in Contrast-Enhanced Computed Tomography (2016) (21)
- Single-Breathhold Spiral Volumetric CT (SVCT) of the Lung and the Hepato-Biliary System (1990) (21)
- Bone loss in young hypoestrogenic women due to primary ovarian failure: Spinal quantitative computed tomography (1989) (20)
- 3D CT angiography. (2001) (19)
- Automated definition and evaluation of anatomical ROI's for bone mineral determination by QCT. (1989) (19)
- Modulation transfer function-based assessment of temporal resolution: validation for single- and dual-source CT. (2008) (19)
- Virtual cisternoscopy of intracranial vessels: a novel visualization technique using virtual reality. (1998) (18)
- A high-resolution phantom for MRI. (2001) (17)
- [Effects of two different types of whole body vibration on neuromuscular performance and body composition in postmenopausal women]. (2011) (17)
- CT and MR imaging of the temporomandibular joint. (1988) (16)
- Dynamic contrast-enhanced micro-CT on mice with mammary carcinoma for the assessment of antiangiogenic therapy response (2012) (16)
- Digital scanned projection radiography: optimization of image characteristics. (1983) (16)
- Effect of shaped filter design on dose and image quality in breast CT (2013) (16)
- Spinal Bone Mineral Determination Using Automated Contour Detection: Application To Single And Dual Energy CT (1985) (16)
- A Fully Sensorized Cooperative Robotic System for Surgical Interventions (2012) (16)
- Accuracy of vertebral mineral determination by dual-energy quantitative computed tomography (2004) (16)
- Electromagnetic tracking system for minimal invasive interventions using a C-arm system with CT option: first clinical results (2008) (16)
- [Dosage reduction in computed tomography by anatomy-oriented attenuation-based tube-current modulation: the first clinical results]. (1999) (16)
- Studies of paranasal sinus ventilation by xenon-enhanced dynamic CT. (1986) (16)
- A low-radiation exposure protocol for 3D QCT of the spine (2014) (16)
- A new weighting function to achieve high temporal resolution in circular cone-beam CT with shifted detectors. (2008) (16)
- Measurement of Paranasal Sinus Ventilation by Xenon‐Enhanced Dynamic Computed Tomography (1985) (16)
- Reproducibility of CT bone densitometry: operator versus automated ROI definition. (1988) (15)
- Dynamic Contrast-Enhanced Micro–Computed Tomography Correlates With 3-Dimensional Fluorescence Ultramicroscopy in Antiangiogenic Therapy of Breast Cancer Xenografts (2014) (15)
- An Integrated Segmentation and Analysis Approach for QCT of the Knee to Determine Subchondral Bone Mineral Density and Texture (2012) (15)
- The influence of the heel effect in cone-beam computed tomography: artifacts in standard and novel geometries and their correction (2010) (15)
- Spiral CT: medical use and potential industrial applications (1997) (15)
- Quality of statistical reconstruction in medical CT (2003) (15)
- Geometric Accuracy in Robot-Assisted Total Hip Replacement Surgery (2003) (14)
- Semiempirical analysis of materials' elemental composition to formulate tissue-equivalent materials: a preliminary study (2011) (14)
- [Effect of whole body vibration on the neuromuscular performance of females 65 years and older. One-year results of the controlled randomized ELVIS study]. (2010) (14)
- Dose Optimization for Computed Tomography Localizer Radiographs for Low-Dose Lung Computed Tomography Examinations (2017) (14)
- Dose management in multi–slice spiral computed tomography (2004) (13)
- [Spiral-CT: a new technique for volumetric scans. II. Potential clinical applications]. (1990) (13)
- Stereolithographic models simulating trabecular bone and their characterization by thin-slice- and micro-CT (2001) (13)
- Polyethylene-based Water- and Bone-equivalent Materials for Calibration Phantoms in Quantitative Computed Tomography - Ein Kalibrierphantom für die quantitative Computertomographie aus wasser- und knochenäquivalentem Material (1988) (13)
- [Effect of whole body vibration exercise on osteoporotic risk factors]. (2009) (13)
- Recent advances in medical physics (2011) (13)
- Image to Volume Weighting Generalized ASSR for Arbitrary Pitch 3D and Phase{Correlated 4D Spiral Con (2001) (13)
- Rawdata-Based Detection of the Optimal Reconstruction Phase in ECG-Gated Cardiac Image Reconstruction (2006) (12)
- Bar and Point Test Patterns Generated by Dry-Etching for Measurement of High Spatial Resolution in Micro-CT (2009) (12)
- Securing safe and informative thoracic CT examinations-Progress of radiation dose reduction techniques. (2017) (12)
- Fast volume scanning approaches by X-ray-computed tomography (2003) (12)
- Imaging of the Heart by ECG-Oriented Reconstruction from Subsecond Spiral CT Scans (1998) (12)
- [Basic principles of vascular imaging with spiral CT]. (1994) (12)
- Registration of 2D histological sections with 3D micro-CT datasets from small animal vertebrae and tibiae (2015) (11)
- Quantitative CT am proximalen Femur: In vitro-Studie (1997) (11)
- Spiral or helical CT: right or wrong? (1994) (11)
- Generating and using patient-specific whole-body models for organ dose estimates in CT with increased accuracy: feasibility and validation. (2014) (11)
- Comparative investigation of the detective quantum efficiency of direct and indirect conversion detector technologies in dedicated breast CT. (2015) (11)
- [Automatic exposure control to reduce the dose in subsecond multislice spiral CT: phantom measurements and clinical results]. (2004) (11)
- Simulation study of cerebral blood flow measurements in xenon-CT: evaluation of washin/washout procedures. (1991) (10)
- X-Ray computed tomography: state of the art (1993) (10)
- [Dose reduction in spiral-CT: detection of pulmonary coin lesions with and without anatomically adjusted modulation of tube current]. (2001) (10)
- X-Ray and X-Ray-CT (2011) (10)
- Long-Term Exercise and Risk of Metabolic and Cardiac Diseases: The Erlangen Fitness and Prevention Study (2013) (10)
- Spiral CT Scanning for Fast and Continuous Volume Data Acquisition (1990) (10)
- Performance evaluation of local ROI algorithms for exact ROI reconstruction in spiral cone-beam computed tomography (2000) (10)
- A new weighting function to achieve high temporal resolution in circular cone-beam CT with shifted detectors. (2008) (9)
- Validation of a raw data-based synchronization signal (kymogram) for phase-correlated cardiac image reconstruction (2008) (9)
- Risk management for a robot-assisted needle positioning system for interventional radiology (2004) (9)
- Metal Artifact Reduction in X-ray Computed Tomography Using Computer-Aided Design Data of Implants as Prior Information (2017) (9)
- Spectral optimization for micro-CT. (2012) (9)
- Beyond Bone Densitometry: Assessment of Bone Architecture by X-Ray Computed Tomography at Various Levels of Resolution (1998) (9)
- Binary Segmentation Masks Can Improve Intrasubject Registration Accuracy of Bone Structures in CT Images (2010) (9)
- [Quantitative CT studies of the lung in an animal experiment model of silicosis]. (1988) (8)
- The Influence of Patient Positioning in Breast CT on Breast Tissue Coverage and Patient Comfort (2014) (8)
- Empirical water precorrection for cone-beam computed tomography (2005) (8)
- Concepts for High-Resolution CT of the Breast (2010) (8)
- A Digital Model to Simulate Effects of Bone Architecture Variations on Texture at Spatial Resolutions of CT, HR-pQCT, and μCT Scanners (2014) (8)
- Characterization of knee osteoarthritis-related changes in trabecular bone using texture parameters at various levels of spatial resolution-a simulation study. (2014) (7)
- A New Method to Identify and to Correct Circular Artifacts in X-Ray CT Images. (2004) (7)
- Dose Reduction in CT by Anatomically Adapted Tube Current Modulation: Principles and First Results (1998) (7)
- Computed Tomography: Influence of Exposure Parameters and the Establishment of Reference Dose Values (1998) (7)
- The influence of patient positioning in breast CT on breast tissue coverage and patient comfort (2015) (7)
- In vivo imaging of MSCT and micro-CT: a comparison. (2010) (7)
- Investigation of Spectral Performance for Single-Scan Contrast-Enhanced Breast-CT Using Photon-Counting Technology: A Phantom Study. (2020) (7)
- An online motion- and misalignment-correction method for medical flat-detector CT (2013) (7)
- Interactive GPU-accelerated image reconstruction in cone-beam CT (2009) (7)
- Interactively variable isotropic resolution in computed tomography (2008) (7)
- Fast digital recording of X-ray dilution curves: a preliminary evaluation. (1982) (7)
- [Material-selective imaging and density measurement using the dual-energy method. I. Principles and methodology]. (1987) (6)
- Image-based online correction of misalignment artifacts in cone-beam CT (2009) (6)
- Reduction of motion artefacts in non-gated dual-energy radiography. (2009) (6)
- [New developments in bone density measurement by quantitative computer tomography]. (1988) (6)
- Current Status and New Perspectives in Spiral CT (1992) (6)
- Development and Evaluation of a Phantom for Dynamic Contrast-Enhanced Imaging (2012) (6)
- The effect of habitual physical activity , non-athletic exercise , muscle strength , and VO 2 max are not highly correlated with bone mineral density is rather low in early postmenopausal osteopenic women (2004) (6)
- Quality Control and Standardisation of Absorptiometric and Computer Tomographic Measurements of Bone Mineral Mass and Density (1993) (6)
- Screening for breast cancer with Breast-CT in a ProHTA simulation. (2015) (5)
- Optical tracking of contrast medium bolus to optimize bolus shape and timing in dynamic computed tomography (2012) (5)
- Extended Parallel Backprojection ( EPBP ) for Arbitrary Cone Angle and Arbitrary Pitch 3 D and Phase – Correlated 4 D CT Reconstruction (2003) (5)
- Quantitative CT of the Lung with Spirometrically Controlled Respiratory Status and Automated Evaluation Procedures (1990) (5)
- Real-time determination of the optimal reconstruction phase to control ECG pulsing in spiral cardiac CT. (2009) (5)
- ROI--Driven CT Trajectories (2006) (5)
- Aortic Root Motion Correction in CArm Flat-Detector CT (2013) (4)
- [Current strategies for dosage reduction in computed tomography]. (2012) (4)
- Dual Energy CT and Morphometric Analysis of High Resolution CT Images for the Diagnosis of Bone Mineral Diseases (1985) (4)
- Functional MR imaging of the motor cortex in healthy volunteers and patients with brain tumours: qualitative and quantitative results. (1999) (4)
- Azimuthal interpolation and noise reduction (2005) (4)
- Basics of CT Angiography (1994) (4)
- Combining deterministic and Monte-Carlo methods in the simulation of X-ray attenuation and scatter (2004) (4)
- Perspective volume rendered motion: gaining insights virtually. (1999) (4)
- [Computerized tomography in ORL-diseases. II. High resolution-CT of the paranasal sinuses]. (1981) (4)
- Time-delayed summation as a means of improving resolution on fast rotating computed tomography systems. (2012) (4)
- Effects of Whole-Body-Vibration Training on the Fracture Risk of Postmenopausal Women. Preliminary Results of the Erlangen Longitudinal Vibration Study (ELVIS): 1842 (2008) (4)
- [Godfrey N. Hounsfield and his influence on radiology]. (2005) (4)
- Spiral CT in the Year 2000 (1996) (4)
- Cardiac phase-correlated image reconstruction and advanced image processing in pulmonary CT imaging (2009) (4)
- Abstracts from CAS 2001 6th International Workshop on Computer Assisted Surgery and Rapid Prototyping in Medicine Nuremberg, Germany, October 11–13, 2001 (2002) (3)
- [Subsecond multislice spiral CT as an alternative to electron beam computerized tomography]. (2000) (3)
- X-ray based imaging for computer-assisted surgery (2003) (3)
- Optimizing detector size in X-ray imaging (2005) (3)
- 6. Quantitative computed tomography. (2009) (3)
- A Monte Carlo Tool for Micro-CT Dose Assessment (2009) (3)
- Determination of bone mineral content in marathon runners using computed tomography seqct deqct low dose (1990) (3)
- Technical Foundations of Spiral Computed Tomography (1996) (3)
- [Material selective imaging and determination of density using the dual energy method. II. Clinical use of dual energy radiography]. (1987) (3)
- V. Bone Densitometry with Whole Body CT: STRUCTURE ANALYSIS OF VERTEBRAL BODY SPONGIOSA BY COMPUTED TOMOGRAPHY. (1982) (3)
- Quantitative aspects of bone densitometry: contents. (2009) (3)
- Exercise effect on bone anabolic hormones in elderly females: preliminary results of the senior fitness and prevention study (SEFIP) (2008) (3)
- Phase-Correlated Imaging from Multi-Threaded Spiral Cone-Beam CT Scans of the Heart (2005) (3)
- New Directions in CT Diagnosis of the Pancreas (1990) (3)
- [Clinical results of dual-energy radiography in thoracic studies]. (1987) (3)
- [Basics and techniques of spiral CT]. (1999) (3)
- Reply to D. Tack: A PC program for estimating organ dose and effective dose values in computed tomography (2001) (3)
- [Material selective imaging and density measurement with the dual energy method. III. Determination of bone mineral of the spine with CT]. (1987) (3)
- Cardiac Imaging with Multislice Spiral Computed Tomography (2001) (2)
- Reference Values for Lung Density and Structure Measured by Quantitative CT (1994) (2)
- [The estimation of the effective dose in bone mineral measurements with photon absorptiometry and computed tomography]. (1991) (2)
- [CT examinations using a reduced radiation dosage]. (1990) (2)
- Abstract 2200: Randomized Comparison of Dual Source Computed Tomography and 64-Slice Multi-Detector Computed Tomography for the Detection of Coronary Artery Stenoses (2006) (2)
- Technical Note: Raw Data-Based Approach to Identify the Optimal Reconstruction Phase in Coronary Computed Tomography Angiography (2009) (2)
- Interactive 3 D editing tools for image segmentation q (2003) (2)
- Three-dimensional analysis of trabecular bone structure: the need for spongiosa standard models (1997) (2)
- [Quantitative computerized tomographic determination of bone mineral content]. (1988) (2)
- [Physical principles of high-resolution computed tomography]. (1985) (2)
- Evaluation of CT Histograms Determined by Spirometrically Standardized High Resolution CT Studies of the Lung in Man (1992) (2)
- 3D and 4D imaging from multi-threaded cone-beam CT scans (2005) (2)
- Spirometrically Standardized Quantitative High Resolution CT of Interstitial Lung Diseases (1990) (2)
- Comparison of anatomic coordinate systems with rigid multi-resolution 3D registration for the reproducible positioning of analysis volumes of interest in QCT (2010) (2)
- [Initial clinical experiences with the fast digital picture of roentgen transmission profiles in the human (the chronogram)]. (1982) (2)
- [Improvement of the image quality of MSCT of the pelvis with a raw data-based, multidimensional filter]. (2003) (2)
- Low dose, low noise, and high resolution volume of interest (VOI) imaging in C-arm flat-detector CT (2010) (2)
- Progress in Quantitative Radiology of the Skeleton (1987) (2)
- Comparison of Methods for Acceptance and Constancy Testing in Dental Cone-beam Computed Tomography (2014) (2)
- Generation of Surgical Models by Spiral CT and Stereolithography (1994) (1)
- Towards Quantitative Flat-Detector CT Using Advanced Scatter Correction (2009) (1)
- Bone marrow lesions in the knee diagnosed in MR images are associated with locally increased bone mineral density measured on CT images (2012) (1)
- TU-D-217A-01: CTDI and Patient Dose: A European Perspective. (2012) (1)
- GPU-accelerated metal artifact reduction (MAR) in FD-CT (2010) (1)
- Anniversary paper. Development of x-ray computed tomography: the role of medical physics and AAPM from the 1970s to present. (2008) (1)
- A New 3D Method to Segment the Lumbar Vertebral Bodies and to Determine Bone Mineral Density and Geometry (2017) (1)
- New Algorithm for Metal Artefact Reduction (MAR) in Computed Tomography: Phantom Studies (1989) (1)
- Quantitative Aspects of Bone Densitometry (2009) (1)
- Reduced Patient Dose and Improved Image Quality in Computed Tomography Examinations with On-Line Anatomically Adapted Tube Current Modulation (1998) (1)
- 39 Changes of Vascular Parameters After Bevacizumab Treatment: DCE micro-CT Correlates with Vessel Architecture Examined by 3-dimensional Multispectral Fluorescence Microscopy (2012) (1)
- [Status of the development and clinical applications of dual-energy CT]. (1989) (1)
- Practical approach to misalignment correction in a single-circle orbit cone-beam tomography (2001) (1)
- [Construction and use of a virtual anthropomorphic phantom of the bronchial tree]. (2000) (1)
- Image quality of volume rendering of the bronchial tree: Kymogram-gated versus retrospectively ECG-gated and non-gated multi-row detector CT. (2005) (1)
- The Influence of the Heel Effect on FD-CT Imaging with Shifted Detectors (2009) (1)
- Image Quality Evaluation for a Robot-Driven C-Arm CT System (2009) (1)
- 406 PRECISION OF QCT OF THE KNEE (2011) (1)
- Perfusion Measurements in Micro-CT: Increased Dose Efficiency by Use of HYPR LR Image Reconstruction (2009) (1)
- [Computerized tomographic demonstration of the nerves and blood vessels of the cerebellopontile angle. Results of pneumocisternomeatography in comparison with intraoperative findings]. (1984) (1)
- [Advanced method for calculating the scatter signal contribution in CT detectors by the Monte Carlo method]. (2003) (1)
- CT quantification of pulmonary emphysema (1993) (1)
- Noninvasive Quantification of Coronary Calcium (2005) (1)
- 6. Quantitative Computed Tomography (2009) (1)
- Experimental validation of a single shaped filter approach for CT using variable source-to-filter distance for examination of arbitrary object diameters (2014) (1)
- Histogram-driven multi-dimensional adaptive filtering (HD-MAF) (2007) (1)
- 7. Quantitative ultrasound. (2009) (1)
- Performance Assessment of Breast Tomosynthesis Systems: Concepts for Two Types of Phantoms (2010) (1)
- Triple-Rule-Out: Erfahrungen mit High-Pitch Spiral-CT (2010) (1)
- Assessment of Total Hip Replacements Using CT with Metal-Artifact Reduction Techniques (1987) (0)
- EFOPS - 3 YEAR RESULTS OF AN EXERCISE STUDY FOR EARLY POSTMENOPAUSAL WOMEN WITH OSTEOPENIA (2003) (0)
- Preliminary Study: Generation of a Kymogram Function using a Dual-Source Cardiac CT Scanner (2007) (0)
- Quantitative assessment of pulmonary emphysema by CT (1993) (0)
- 3. Quality and performance measures in bone densitometry. (2009) (0)
- 1. Introduction (2009) (0)
- Future Technical Developments for CT of the Thorax (2006) (0)
- 9. Terminology and abbreviations. (2009) (0)
- Abstract 2071A: Anti-VEGF treatment in orthotopic breast cancer xenografts: Dynamic contrast-enhanced micro-CT correlates with 3D multispectral fluorescence histology (2014) (0)
- Simultaneous whole-body PET-MR hybrid imaging: first experience (2012) (0)
- WE-FG-207A-04: Performance Characteristics of Photon-Counting Breast CT. (2016) (0)
- Lung Cancer Screening ( LCS ) in Ultra-low-dose CT ( U-LDCT ) by Means of Massive-Training Artificial Neural Network ( MTANN ) Image-Quality Improvement : An Initial Clinical Trial (2015) (0)
- 72 3D QCT Techniques for the Spine, Femur and Forearm (2009) (0)
- [Digital radiography using a computed tomography instrument in comparison with conventional film-screen images]. (1984) (0)
- The Chronogram — Principle and First Results (1983) (0)
- Volume Determination for Soft Tissue Organs or Lesions from CT Images (1991) (0)
- Tomogram degradation due to eye shielding and collimation. (1977) (0)
- Bone Mineral Density In Male Runners And Climbers: Effects Of The Different Loading Pattern (2005) (0)
- Monte-Carlo based optimization of tube voltage and tube current as a function of object size and shape for clinical CT (2004) (0)
- Standardization Efforts in the Quantification of Coronary Calcium (2004) (0)
- Bone Parameters In Male Runners Were Superior To Nontraining Controls Independently Of Training Volume: 1865 Board #4 3:30 PM - 5:00 PM (2005) (0)
- High-pitch prospectively ECG-triggered low-dose coronary CTA: Image quality and radiation exposure (2010) (0)
- SU-FF-I-32: Effects of Scatter in Dual-Source CT (2007) (0)
- 7. Quantitative Ultrasound (2009) (0)
- Exercise Effects On Fall Risk And Bone Integrity. Prelininary Results Of The Senior Fitness And Prevention Study (SEFIP): 1906 (2008) (0)
- Endogeneous calciotropic and sex hormones and their relationship to bone mineral density in elderly females (2008) (0)
- 2. Quantities and Units in Bone Densitometry (2009) (0)
- Apparatus and method for determining the optimum image reconstruction phase quasi periodically moving object (2006) (0)
- 4D reconstruction for wide cone-angle medical CT (2003) (0)
- estimates of effective Dose for cT s cans of the lower (2014) (0)
- 8. Summary and Recommendations (2009) (0)
- Body training and fracture parameter: 12 month results of a senior fitness and -prevention study (SEFIP) (2009) (0)
- Phase-Correlated Image Reconstruction Without ECG (2005) (0)
- A New 3D Segmentation Methodology for Lumbar Vertebral Bodies for the Measurement of BMD and Geometry (2017) (0)
- Diagnostic Imaging of Congenital Heart Defects (2020) (0)
- [New developments in computer tomography: EKG-correlated subsecond multi-slice spiral CT]. (2001) (0)
- 4. Concepts of quality assurance and standardization. (2009) (0)
- Phantom for measuring the axial Schichtempfindlichtkeitsprofilen and modulation transfer function (MTF) of an X-ray computer tomograph (1998) (0)
- Spiral CT: A New Technique for Better Evaluation of Upper Urinary Tract Filling Defects (1992) (0)
- Impact of Truncation Correction in Flat-Detector Computed Tomography on Carbon Ion Radiotherapy Treatment Planning (2009) (0)
- Developments and Trends in CT Technology and Applications (2007) (0)
- Bone Densitometry: Accuracy of Dual-Energy Quantitative Computed Tomography with Basis Material Decomposition (1988) (0)
- Technical foundations of spiral CT. (1995) (0)
- 3. Quality and Performance Measures in Bone Densitometry (2009) (0)
- Temporal Resolution Assessment Using a Dedicated Edge Spread Function Approach (2009) (0)
- Abstract ID: 245 Monte Carlo methods for diagnostic radiology (2017) (0)
- A Fast and Efficient Method for the COrrection of Defective Channels in X-Ray Computed Tomography Area Detectors. (2003) (0)
- LOW VERTEBRAL BONE DENSITY VALUES IN YOUNG NON-ELITE FEMALE RUNNERS (1992) (0)
- System Performance of Multislice Spiral Computed Tomography A Technique that Provides Significantly Improved Image Quality with Drastically Reduced Scan Times (2000) (0)
- University of Groningen Coronary artery calcium screening: current status and recommendations from the European Society of Cardiac Radiology and North American Society for Cardiovascular Imaging Oudkerk, (2008) (0)
- Binary Segmentation Masks for Registration of Bone Structures in CT Images (2009) (0)
- TU‐C‐L100J‐10: Combining Measurement and Monte Carlo Methods for Dose Assessment in Flat‐Detector CT (2007) (0)
- Future Developments for CT of the Thorax (2016) (0)
- Segmentation of the Knee for Analysis of Osteoarthritis (2009) (0)
- Optimal Detector Size in Multi–Slice CT (2005) (0)
- 5. X-ray Absorptiometry. (2009) (0)
- Standardization of postero-anterior spine bone mineral density measurements. Committee for Standards in DXA. (1995) (0)
- [CT osteodensitometry in the area immediate to hip endoprostheses]. (1996) (0)
- 4. Concepts of Quality Assurance and Standardization (2009) (0)
- II. Theoretical Aspects of CT Densitometry: PHENOMENOLOGICAL DIFFERENTIATION OF NONLINEAR EFFECTS IN X-RAY COMPUTED TOMOGRAPHY. (1982) (0)
- Abstracts from CAS 2001 6th International Workshop on Computer Assisted Surgery and Rapid Prototyping in Medicine Nuremberg, Germany, October 11-13, 2001 (2002) (0)
- Partial scan with shifted detector: A novel weighting function for high temporal resolution in CT (2008) (0)
- Noise-Reduction Algorithm for Dual Energy Radiography (1989) (0)
- 66 Whole-Body-Vibration Training Reduces Falls in Postmenopausal Women. Prelininary 18 Months Results of the Erlangen Longitudinal Vibration Study (ELVIS) (2009) (0)
- 9. Terminology and Abbreviations (2009) (0)
- Multiplanar Imaging: A Comparison of Spiral CT and MRI (1992) (0)
- CT Scanner with reduced radiation exposure or reduced pixel noise (1998) (0)
- Improved Imaging of Metallic Implants with CT (1988) (0)
- 5. X-ray Absorptiometry (2009) (0)
- Quantitative assessment of pulmonary emphysema by CT: functional and morphometrical correlations (1993) (0)
- Image quality of volume rendering of the bronchial tree: Kymogram-gated versus retrospectively ECG-gated and non-gated MDCT (2004) (0)
- Optical measurement of dimensional parameters of the breast with subjects in prone position (2015) (0)
- DETECTORS FOR CT SCANNERS (2004) (0)
- A New 3D Segmentation Technique for QCT Scans of the Lumbar Spine to Determine BMD and Vertebral Geometry (2017) (0)
- CT Examinations of Lung Ventilation with Stable Xenon (1990) (0)
- Non-Invasive Measurement of Coronary Atherosclerosis (2009) (0)
- [Fundamentals of multi-slice spiral CT]. (2001) (0)
- Detection of Hilar Lymphadenopathy with CCT (Continuous Rotating CT) (1990) (0)
- MANAGING PATIENT DOSE IN COMPUTED TOMOGRAPHY MAIN POINTS (2000) (0)
- Combination of irradiation and bisphosphononates in the therapy of bone metastases: An experimental study (2000) (0)
- Abstracts (2000) (0)
- PERIACETABULAR STRESS SHIELDING IN TOTAL HIP ARTHROPLASTY (2002) (0)
- Detection of the Optimal Reconstruction Window for Respiratory-Gated Micro-CT Imaging (2009) (0)
- Power Training Is More Effective Than Strength Training For Maintaining BMD In Postmenopausal Women: 813 Board #35 9:00 AM ??? 10:30 AM (2005) (0)
- Combination of non-contact optical fluorescence tomography and micro-CT: A concept and apparatus for small animal imaging (2008) (0)
- Rotational C-Arm-Based CT in Diagnostic and Interventional Neuroradiology (2009) (0)
- Exercise And Sarcopenia: Preliminary Data Of The Senior Fitness And Prevention Study: 2860 (2009) (0)
- 2. Quantities and units in bone densitometry. (2009) (0)
- Photon-counting breast CT (pcBCT) performance tests on specimens in comparison with digital mammography and breast tomosynthesis (2016) (0)
- [Relevance of computed tomography to the fine-structure analysis of bone. A comparative radiological study]. (1983) (0)
This paper list is powered by the following services:
Other Resources About Willi A. Kalender
What Schools Are Affiliated With Willi A. Kalender?
Willi A. Kalender is affiliated with the following schools: