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Registration of Stereo and Temporal Images of the Retina

This research paper explores the registration of stereo and temporal images of the retina, focusing on current methods for affine registration and specifically addressing the registration of retinal images. The paper discusses the similarity measure, search strategy, and interpolation techniques used, and presents the results and conclusions drawn from the registration trial.

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Registration of Stereo and Temporal Images of the Retina

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  1. Registration of Stereo and Temporal Images of the Retina Mohammed Jirari Feb 20th, 2002 Image Processing Lab (MSB 138)

  2. Introduction • Image Registration is required in many applications of IP • Registration categories: • Multimodal registration • Viewpoint registration • Temporal registration • Template registration • Intersubject registration (can be added)

  3. Topics of Discussion • Current Methods for affine registration • Registration of retinal images • Results and discussion • Conclusion

  4. Current Methods for Affine Registration • Preprocessing • Comparison Measures • Search Techniques • Registration of Retinal Images

  5. Registration of Retinal Images • The Similarity Measure: Mutual Information • Search Strategy: Simulated Annealing with Pyramid Sampling • Simulated annealing • Algorithm for Multiple Parameters • Pyramid Sampling • Interpolation

  6. Results, Discussion and Conclusion • Images used • Parameters used (look at table 1 and 2) • Registration trial • RMSE calculated from exhaustive search (look at table 3) • Conclusion

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