Hans-hellmut Nagel
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Hans-hellmut Nagelcomputer-science Degrees
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Computer Science
Hans-hellmut Nagel's Degrees
- PhD Computer Science University of Stuttgart
- Masters Computer Science University of Stuttgart
- Bachelors Computer Science University of Stuttgart
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Why Is Hans-hellmut Nagel Influential?
(Suggest an Edit or Addition)Hans-hellmut Nagel's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- An Investigation of Smoothness Constraints for the Estimation of Displacement Vector Fields from Image Sequences (1983) (1015)
- Model-based object tracking in monocular image sequences of road traffic scenes (1993) (611)
- Displacement vectors derived from second-order intensity variations in image sequences (1983) (525)
- On the Estimation of Optical Flow: Relations between Different Approaches and Some New Results (1987) (503)
- On the Analysis of Accumulative Difference Pictures from Image Sequences of Real World Scenes (1979) (379)
- Volumetric model and 3D trajectory of a moving car derived from monocular TV frame sequences of a street scene (1981) (307)
- Tracking Persons in Monocular Image Sequences (1999) (285)
- Optical Flow Estimation: Advances and Comparisons (1994) (244)
- From image sequences towards conceptual descriptions (1988) (222)
- New likelihood test methods for change detection in image sequences (1984) (212)
- Combination of Edge Element and Optical Flow Estimates for 3D-Model-Based Vehicle Tracking in Traffic Image Sequences (1999) (164)
- Model-Based Object Tracking in Traffic Scenes (1992) (145)
- Texture-based segmentation of road images (1994) (120)
- Extending the 'Oriented Smoothness Constraint' into the Temporal Domain and the Estimation of Derivatives of Optical Flow (1990) (116)
- On a Constraint Equation for the Estimation of Displacement Rates in Image Sequences (1989) (113)
- Image Sequences - Ten (Octal) Years - from phenomenology towards a Theoretical Foundation (1988) (108)
- Separating Non-Stationary from Stationary Scene Components in a Sequence of Real World TV Images (1977) (103)
- Algorithmic characterization of vehicle trajectories from image sequences by motion verbs (1991) (100)
- 3D Pose Estimation by Directly Matching Polyhedral Models to Gray Value Gradients (1997) (94)
- Steps toward a Cognitive Vision System (2004) (92)
- Incremental recognition of traffic situations from video image sequences (2000) (81)
- Initialization of Model-Based Vehicle Tracking in Video Sequences of Inner-City Intersections (2008) (80)
- 3D pose estimation by fitting image gradients directly to polyhedral models (1995) (77)
- Estimation of Optical Flow Based on Higher-Order Spatiotemporal Derivatives in Interlaced and Non-Interlaced Image Sequences (1995) (77)
- Representation of Moving Rigid Objects Based on Visual Observations (1981) (77)
- Association of Motion Verbs with Vehicle Movements Extracted from Dense Optical Flow Fields (1994) (76)
- The coupling of rotation and translation in motion estimation of planar surfaces (1993) (76)
- Formation of an object concept by analysis of systematic time variations in the optically perceptible environment (1978) (71)
- Spatiotemporally Adaptive Estimation and Segmenation of OF-Fields (1998) (71)
- Tracking of persons in monocular image sequences (1997) (68)
- Analytical results on error sensitivity of motion estimation from two views (1990) (64)
- On the Selection of Critical Points and Local Curvature Extrema of Region Boundaries for Interframe Matching (1983) (64)
- Towards Active Machine-Vision-Based Driver Assistance for Urban Areas (2002) (58)
- Cognitive Vision Systems, Sampling the Spectrum of Approaches [based on a Dagstuhl seminar] (2006) (52)
- FhG-Co-driver: From map-guided automatic driving by machine vision to a cooperative driver support (1995) (49)
- Image sequence evaluation: 30 years and still going strong (2000) (48)
- Image Sequence Analysis: What Can We Learn from Applications? (1981) (46)
- Tracking of Occluded Vehicles in Traffic Scenes (1996) (46)
- Incremental Natural Language Description of Dynamic Imagery (1989) (46)
- Visual tracking of an end-effector by adaptive kinematic prediction (1997) (45)
- Model-Based Stereo-Tracking of Non-Polyhedral Objects for Automatic Disassembly Experiments (2000) (43)
- Behavioral Knowledge Representation for the Understanding and Creation of Video Sequences (2003) (42)
- Overview on Image Sequence Analysis (1983) (41)
- Estimation and interpretation of discontinuities in optical flow fields (2001) (41)
- On 3D Reconstruction from Two Perspective Views (1981) (39)
- Automatic differentiation facilitates OF-integration into steering-angle-based road vehicle tracking (1999) (39)
- Natural Language Texts for a Cognitive Vision System (2002) (36)
- Deriving Textual Descriptions of Road Traffic Queues from Video Sequences (2002) (36)
- A Research Roadmap of Cognitive Vision (2005) (34)
- A Framework for Model-Based Tracking Experiments in Image Sequences (2007) (33)
- Knowledge representation for the generation of quantified natural language descriptions of vehicle traffic in image sequences (1996) (33)
- Bias-corrected optical flow estimation for road vehicle tracking (1998) (32)
- Representation of occurrences for road vehicle traffic (2008) (31)
- Towards visually servoed manipulation of car engine parts (1997) (31)
- A vision of vision and language' comprises action: an example from road traffic (1994) (30)
- Motion Boundary Detection in Image Sequences by Local Stochastic Tests (1994) (30)
- Direct Estimation of Optical Flow and of Its Derivatives (1992) (29)
- Tracking of complex driving manoeuvres in traffic image sequences (1998) (28)
- An Experimental Investigation of Estimation Approaches for Optical Flow Fields (1988) (28)
- Cognitive visual tracking and camera control (2012) (27)
- Conceptual representations between video signals and natural language descriptions (2008) (25)
- On change detection and displacement vector estimation in image sequences (1982) (24)
- Model-based recognition of intersections and lane structures (1995) (24)
- Autonomous driving on a road network (1992) (22)
- Principles of (low-level) computer vision (1987) (21)
- Automatic dismantling integrating optical flow into a machine vision-controlled robot system (1996) (21)
- Matching Object Models to Segments from an Optical Flow Field (1996) (21)
- Database Support for Knowledge-Based Image Evaluation (1987) (21)
- Integration of Image Sequence Evaluation and Fuzzy Metric Temporal Logic Programming (1997) (21)
- Representation of Behavioral Knowledge for Planning and Plan-Recognition in a Cognitive Vision System (2002) (21)
- 3D-model-based-vision for innercity driving scenes (2002) (20)
- Improving visually servoed disassembly operations by automatic camera placement (1998) (19)
- Toward the derivation of three-dimensional descriptions from image sequences for nonconvex moving objects (1986) (19)
- Visually servoed gripping of a used car battery (1997) (19)
- Automatic generation of intersection models from digital maps for vision-based driving on inner city intersections (2000) (18)
- Analysing Sequences of TV-Frames (1977) (18)
- Interaction Between Digital Road Map Systems And Trinocular Autonomous Driving (1993) (18)
- Empirically Convergent Adaptive Estimation of Grayvalue Structure Tensors (2002) (18)
- Postlude to a PASCAL‐compiler bootstrap on a decsystem‐10 (1976) (18)
- GENERIC ROAD TRAFFIC SITUATIONS AND DRIVER SUPPORT SYSTEMS (1991) (17)
- Volumetric model and 3D trajectory of a moving car derived from monocular TV frame sequences of a street scence (1982) (17)
- Optical flow estimation and the interaction between measurement errors at adjacent pixel positions (1995) (17)
- Beginning a Transition from a Local to a More Global Point of View in Model-Based Vehicle Tracking (1998) (17)
- On the estimation of dense displacement vector fields from image sequences (abstract only) (1984) (16)
- Differential Analysis of Two Model-Based Vehicle Tracking Approaches (2004) (15)
- On the Frame-to-Frame Correspondence between Grey Value Characteristics in the Images of Moving Objects (1981) (15)
- (Mis?-) Using DRT for Generation of Natural Language Text from Image Sequences (1998) (15)
- Model-based tracking of complex innercity road intersections (1998) (14)
- Influence of an Explicitly Modelled 3D Scene on the Tracking of Partially Occluded Vehicles (1997) (14)
- A vision of ‘vision and language’ comprises action: An example from road traffic (2004) (13)
- Databases for knowledge bases: empirical study of a knowledge base management system for a semantic network (1991) (13)
- ‘Occurrence’ Extraction from Image Sequences of Road Traffic Scenes (2002) (13)
- Real-time tracking of intersections in image sequences of a moving camera (1998) (13)
- Using Behavioral Knowledge for Situated Prediction of Movements (2004) (13)
- A Semantic Network Based Deductive Database System for Image Sequence Evaluation (1991) (13)
- Multi-Level 3D-Tracking of Objects Integrating Velocity Estimation based on Optical Flow and Kalman-Filtering (1995) (11)
- Extraction of Line Drawings from Gray Value Images by Non-Local Analysis of Edge Element Structures (1992) (11)
- Recent advances in motion interpretation based on image sequences (1982) (11)
- Quantitative comparison between trajectory estimates obtained from a binocular camera setup within a moving road vehicle and from the outside by a stationary monocular camera (2000) (10)
- Multi-camera vision-based autonomous manoeuvring at road intersections (1994) (9)
- Towards a Cognitive Vision System (2001) (9)
- Comparison of Edge-Driven Algorithms for Model-Based Motion Estimation (2004) (9)
- From video to language-a detour via logic vs. jumping to conclusions (1999) (9)
- Machine-vision-based estimation of pose and size parameters from a generic workpiece description (2001) (9)
- Reflections on Cognitive Vision Systems (2003) (9)
- Analyzing a real world scene sequence using fuzziness (1977) (9)
- Machine-vision-based detection and tracking of stationary infrastructural objects beside inner-city roads (2001) (8)
- Qualitative Reasoning Feeding Back into Quantitative Model-Based Tracking (2004) (8)
- T3wT: Tracking Turning Trucks with Trailers (1998) (7)
- On the estimation of dense displacement vector fields from image sequences (1986) (7)
- Model-based initialisation of vehicle tracking: dependency on illumination (2001) (7)
- Natural Language Description of Image Sequences as a Form of Knowledge Representation (1999) (6)
- Cognitive Vision Systems: Sampling the Spectrum of Approaches (Lecture Notes in Computer Science) (2006) (6)
- Displacement vectors derived from second order intensity variations in image sequences (1982) (6)
- Visualisation of Conceptual Descriptions Derived from Image Sequences (1999) (5)
- Descriptive and Prescriptive Languages for Mobility Tasks : Are They Di erent ? (5)
- Data-Driven Extraction of Curved Intersection Lanemarks from Road Traffic Image Sequences (2000) (4)
- Evaluation of Image Sequences: A Look Beyond Applications (1981) (4)
- Machine vision competence as a function of computing power — 4 1/2 Years later (1999) (4)
- Characterization of Occlusion Situations Occurring in Real-World Traffic Scenes (1996) (4)
- AI Approaches Towards Sensor-Based Driver Support in Road Vehicles (1994) (4)
- Towards the derivation of 3-D descriptions from image sequences for non-convex moving objects (1986) (3)
- A Multi-agent Architecture for Distributed Vision-based Disassembly (1996) (3)
- A PASCAL Compiler bootstrapped on a DEC-System 10 (1974) (3)
- Computer Aided (dis)Assembly Using Visual Cues (1996) (3)
- Space- and Time-Variant Estimation Approaches and the Segmentation of the Resulting Optical Flow Fields (1995) (3)
- PROMETHEUS Session (1990) (2)
- Artificial and Biological Vision Systems (2012) (2)
- On Consistent Discrimination between Directed and Diffuse Outdoor Illumination (2003) (2)
- Report on Dagstuhl Seminar 03441 : Cognitive Vision Systems ( 26 – 31 October 2003 ) (2004) (2)
- Exploiting reflectance properties to analyze images of moving objects needs local constraints (1987) (2)
- Machine Vision Competence as a Function of Computing Power -- Four Years Later (1998) (2)
- Parallelizing a CAD-Model-Based Object Localization for Initialization of Tracking in Visual Servoing (2000) (2)
- Cognitive Vision Systems: From Ideas to Specifications (2006) (1)
- ADA#8482; on a minicomputer-network for image sequence analysis: an investigative implementation (1983) (1)
- Vision, Logic, and Language - Toward Analyzable Encompassing Systems (2010) (1)
- On Sampling the Spectrum of Approaches Toward Cognitive Vision Systems (2006) (1)
- Reflections on Active (Machine) Vision (1992) (1)
- Logic-Based Trajectory Evaluation in Videos (2010) (1)
- On the Concept of a Local Greyvalue Distribution and the Adaptive Estimation of a Structure Tensor (2006) (1)
- System Components for Driver Support by Evaluation of Image Sequences (1995) (1)
- Evaluation of Image Sequences from Outdoor Scenes: Selected Problems and Solutions (1995) (1)
- Frame decimation for Structure and Motion. Discussion (2001) (1)
- Introductory Remarks (2006) (0)
- Consistency Checking for Vision Tasks (2003) (0)
- A Perspective on Machine Vision (2019) (0)
- Articulated Motion and Deformable Objects (2004) (0)
- Eyes from eyes. Discussion (2001) (0)
- Cognitive Vision - Sampling the Spectrum (2006) (0)
- FINAL REPORT OF THE DEFINITION PHASE SUBPROJECT PRO-ART OF THE PROMETHEUS PROJECT (1988) (0)
- Deriving Textual Descriptionsof RoadTraffic Queues fr om VideoSequences (2002) (0)
- BROADBAND INTER-LABORATORY NETWORK FOR IMAGE PROCESSING. (1982) (0)
- T/sup 3/wT: tracking turning trucks with trailers (1998) (0)
- Proceedings of the 1978 AISB/GI Conference on Artificial Intelligence (1978) (0)
- PROMETHEUS. FINAL REPORT FOR THE LAUNCHING PHASE OF PRO-ART (1989) (0)
- OntheAnalysis ofAccumulative Difference Pictures fromImage Sequences ofRealWorld Scenes (1979) (0)
- Design of and Experiments with a System for Image Evaluation and Pattern Recognition (1988) (0)
- Towards Real-Time Vision-Based Manipulation of Workpieces (2007) (0)
- Optical Flow and Mot ion Fields Optical Flow Estimation: Advances and Comparisons (2005) (0)
- Recognition of Time Varying Patterns in Image Sequences (1982) (0)
- News (2017) (0)
- Panel session on visual scene representation. Discussion (2001) (0)
- An Investigation ofSmoothness Constraints forthe Estimation ofDisplacement Vector Fieldsfrom Image Sequences (1986) (0)
- Robust visual servoing: examination of cameras under different illumination conditions (2001) (0)
- Artificial Intelligence in Western Europe (1977) (0)
- The SHIFT language is currently being used to create applications for detailed specification and design of vehicle/highway control systems, simulation of formation of mini-submarines for marine survey, design and simulation of air traffic control system, material handling systems (2007) (0)
- PROMETHEUS. INTRMEDIATE REPORT OF THE SECOND PHASE OF THE SUBPROGRAMME PRO-ART IN THE FEDERAL REPUBLIC OF GERMANY (1990) (0)
- Analysing the Localisation of Road Vehicles for Tracking (2000) (0)
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