Combining Geometric and View-Based Approaches for Articulated Pose Estimation 1st edition by David Demirdjian – Ebook PDF Instant Download/Delivery. 3540219828, 978-3540219828
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Product details:
ISBN 10: 3540219828
ISBN 13: 978-3540219828
Author: David Demirdjian
In this paper we propose an efficient real-time approach that combines vision-based tracking and a view-based model to estimate the pose of a person. We introduce an appearance model that contains views of a person under various articulated poses. The appearance model is built and updated online. The main contribution consists of modeling, in each frame, the pose changes as a linear transformation of the view change. This linear model allows (i) for predicting the pose in a new image, and (ii) for obtaining a better estimate of the pose corresponding to a key frame. Articulated pose is computed by merging the estimation provided by the tracking-based algorithm and the linear prediction given by the view-based model.
Combining Geometric- and View-Based Approaches for Articulated Pose Estimation 1st Table of contents:
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Introduction
- 1.1 Background and Motivation
- 1.2 Challenges in Articulated Pose Estimation
- 1.3 Geometric vs. View-Based Approaches
- 1.4 Motivation for Combining Geometric- and View-Based Methods
- 1.5 Objectives and Contributions of the Paper
- 1.6 Structure of the Paper
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Related Work
- 2.1 Overview of Articulated Pose Estimation Techniques
- 2.2 Geometric Approaches for Pose Estimation
- 2.3 View-Based Methods for Pose Estimation
- 2.4 Hybrid Approaches: Combining Geometric and View-Based Techniques
- 2.5 Limitations of Existing Methods and Gaps in the Literature
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Preliminaries and Background
- 3.1 Definition of Articulated Pose Estimation
- 3.2 Geometric Representation of Articulated Objects
- 3.3 View-Based Representation: Appearance and Projections
- 3.4 Common Pose Estimation Frameworks and Algorithms
- 3.5 Coordinate Systems and Transformations in Pose Estimation
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Geometric Approaches for Articulated Pose Estimation
- 4.1 Kinematic Models and Articulation Constraints
- 4.2 Inverse Kinematics for Pose Estimation
- 4.3 Geometric Matching Techniques (e.g., point clouds, 3D meshes)
- 4.4 Optimization Methods for Geometric Pose Estimation
- 4.5 Limitations and Assumptions in Geometric-Based Methods
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View-Based Approaches for Articulated Pose Estimation
- 5.1 2D Pose Estimation from Single and Multiple Views
- 5.2 Feature Matching and Keypoint Detection
- 5.3 Depth Estimation and Multi-view Geometry
- 5.4 Machine Learning and Deep Learning for View-Based Pose Estimation
- 5.5 Limitations of View-Based Methods: Occlusions and View Dependency
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Combining Geometric- and View-Based Approaches
- 6.1 Rationale for Combining Geometric and View-Based Methods
- 6.2 Integration Framework: Geometric Alignment with View-Based Features
- 6.3 Hybrid Optimization Strategies
- 6.4 Learning-Based Fusion of Geometric and View-Based Information
- 6.5 Handling Occlusions and Ambiguities with Combined Approaches
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Algorithm Design and Implementation
- 7.1 Overview of the Combined Pose Estimation Algorithm
- 7.2 Step-by-Step Algorithm for Geometric and View-Based Integration
- 7.3 Handling Multiple Views and Dynamic Changes in Pose
- 7.4 Real-Time Processing and Scalability Considerations
- 7.5 Practical Considerations and Computational Efficiency
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Experimental Setup and Evaluation
- 8.1 Datasets for Articulated Pose Estimation
- 8.2 Benchmarking Against Other Pose Estimation Methods
- 8.3 Evaluation Metrics for Pose Accuracy and Robustness
- 8.4 Cross-validation and Experimental Protocols
- 8.5 Impact of View and Geometric Information on Estimation Quality
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Results and Discussion
- 9.1 Quantitative Results of Articulated Pose Estimation
- 9.2 Performance Comparison of Geometric, View-Based, and Hybrid Methods
- 9.3 Analysis of Accuracy, Robustness, and Generalization
- 9.4 Case Studies in Human Pose Estimation and Robotic Applications
- 9.5 Discussion on Limitations and Trade-offs in Combined Methods
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Applications of Combined Geometric- and View-Based Pose Estimation
- 10.1 Human Pose Estimation for Computer Vision
- 10.2 Robotic Manipulation and Motion Planning
- 10.3 Virtual and Augmented Reality Applications
- 10.4 Motion Capture Systems in Animation and Gaming
- 10.5 Medical Imaging and Biomechanics
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Challenges and Future Directions
- 11.1 Handling Real-Time Performance in Complex Scenarios
- 11.2 Generalizing to Unseen Poses and Non-Standard Articulations
- 11.3 Improving Robustness in Low-Quality or Noisy Data
- 11.4 Integrating Other Sensor Modalities (e.g., depth, IMUs)
- 11.5 Future Research Directions in Hybrid Pose Estimation Methods
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Conclusion
- 12.1 Summary of Key Findings and Contributions
- 12.2 Practical Implications for Articulated Pose Estimation
- 12.3 Limitations and Opportunities for Improvement
- 12.4 Final Remarks and Future Work
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