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Ibraheem, Omar Waleed: Reconfigurable Vision Processing for Player Tracking in Indoor Sports. 2018
Inhalt
Introduction
Contributions
Thesis Organization
Vision-based Player Tracking in Indoor Sports
Introduction
Challenges in Vision-based Player Tracking
Architectures for Vision Processing
Field Programmable Gate Arrays (FPGAs)
FPGAs for Vision Processing
State of the Art High-Speed Camera Interface Standards
GigE Vision Standard
Comparison of the High-Speed Camera Interface Standards
Related Work of Vision-based Player Tracking Systems
Broadcast Video Systems
Dedicated Cameras Systems
Commercial Solutions
FPGA Accelerated Object Tracking
Summary
Methodologies and Fundamentals
Video Preprocessing Algorithms
Bayer Pattern Demosaicing
Automatic White Balance
Color Space Conversions
Morphological Operations
Image Thresholding
Object Segmentation using Background Subtraction
Graph Clustering
Multiple Object Tracking (MOT)
Tracking-by-Detection
Kalman Filter
RAPTOR-X64 Rapid Prototyping Platform
Design Flow
Summary
The Proposed Reconfigurable Vision System
System Overview
Video Acquisition Module
Multi-Camera GigE Vision Core
GigE Vision Camera Configuration
Video File Controller
Video Preprocessing Module
Bayer Pattern Demosaicing
Automatic White Balancing
Video Cropping
Video Frame Merger
Player Segmentation Module
RGB to Grayscale Converstion
Background Estimation and Subtraction
AXI4-Stream to NPI Controller
Morphological Operations
Masking
Team Identification & Player Detection Module
RGB to HSV Conversion & Color Thresholding
BDC-based Graph Clustering
Resource Utilization
Player Tracking
Single Camera Player Tracking
Detections Association to Tracks
Player Track Transfer Between the Two Cameras
Summary
System Evaluation and Results
System Realization
Datasets
Player Detection
Player Detection in Occlusion Scenarios
Verification of the Player Detection Implementation
Player Tracking
FPGA Architecture
Multiple GigE Vision Cameras
Performance and Throughput
Acceleration Factor and Overall System Performance
Overall Latency
Power Consumption
Comparison with Existing Systems
Summary
Conclusions and Future Work
Conclusions
Future Work
List of Figures
List of Tables
Abbreviations
References
Publications