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Neo-compensate-myopia-automatic-compensate-system

Neo-compensate-myopia-automatic-compensate-system. R01942056 Cobra D01943032 JJLin. Problem. Problem. Myopia. Original image. Blurred image. Goal. Original image. Pre-compute. Myopia. Compensated image. Clear image. Model. Myopia.

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Neo-compensate-myopia-automatic-compensate-system

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  1. Neo-compensate-myopia-automatic-compensate-system R01942056 Cobra D01943032 JJLin

  2. Problem

  3. Problem Myopia Original image Blurred image

  4. Goal Original image Pre-compute Myopia Compensated image Clear image

  5. Model

  6. Myopia http://spie.org/Images/Graphics/Publications/FG04_P23_myopia_hyperopia.jpg

  7. Deriving Myopia Filter d kd

  8. Deriving Myopia Filter Circular uniform filter

  9. Simplified Myopia Filter Box filter 2-pass

  10. Inverse (De-convolution) • Inverse box filter are usually non-invertible

  11. Inverse (De-convolution) • Use an energy function De-convolution Output ~ Original

  12. Result

  13. Optical Myopia Simulation • Canon 500D • Out-of-focus • 1/40, 5.6f, ISO 800 • 14.4”LCD

  14. Result - Lena Out-of-focus (Same focal length) In-focus Gold (original) Original Ours

  15. Result – Lena Out-of-focus (Same focal length) In-focus Gold (original) Original Ours

  16. Result – SuzumiyaHaruhi Out-of-focus (Same focal length) In-focus Gold (original) Original Ours

  17. Result - SuzumiyaHaruhi Out-of-focus (Same focal length) In-focus Gold (original) Original Ours

  18. Discussion

  19. Limit • Overflow is a serious problem (0-255) Myopia Compensated image Clear image

  20. Limit • Overflow is a serious problem (0-255) Compensated image Clear image Myopia + + Box noise One pixel overflows

  21. Q&A

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