Camera Calibration for Multi-Modal Vision — Automatic calibration framework for multi-modal robot vision using IQA metrics. — https://www.pirahansiah.com/notes/pubs/papers/multimodal-calibration/

Camera_Calibration_for_Multi-Modal_Robot_Vision

https://www.pirahansiah.com/notes/pubs/papers/Camera_Calibration_for_Multi-Modal_Robot_Vision

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Camera Calibration for Multi-Modal Robot Vision

1. Introduction

• Objective: Propose an automatic calibration method for multimodal robot vision.
• Challenges in Robot Vision:
  • Image quality degradation
  • Difficulty in adjusting to different environments
• Key Issues:
  • False negative data points due to poor calibration
  • Need for continuous recalibration in dynamic environments

2. Image Quality and Calibration

• Image Quality Assessment (IQA):
  • Impact of poor image quality on robot vision
  • Key metrics:
    • Peak Signal-to-Noise Ratio (PSNR)
    • Structural Similarity Index (SSIM)
• Camera Calibration (CC):
  • Relationship between image quality and calibration accuracy
  • Need for automatic calibration techniques

3. Proposed Method

• Automatic Calibration Framework:
  • Framework based on IQA metrics like PSNR and SSIM
  • Designed to adjust calibration automatically in real-time as image quality changes
• Calibration Techniques:
  • Techniques for handling dynamic environments and maintaining accuracy
  • Evaluates multiple environments to test robustness

4. Evaluation and Results

• Accuracy Evaluation:
  • Comparison of calibration methods in different test scenarios
  • Analysis of datasets generated with automatic calibration
• Results:
  • Significant improvement in robot vision accuracy using the proposed automatic calibration method
  • Less need for manual intervention in real-time environments

5. Conclusion

• Key Findings:
  • The proposed method successfully addresses the challenge of automatic camera calibration in dynamic environments.
  • Demonstrates a clear link between image quality assessment and calibration performance.
• Implications:
  • Improved robot vision performance in various applications (e.g., autonomous humanoid robots).