Advanced Image Processing: Project 1
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This document discusses several image processing techniques including HDR radiance mapping, panorama image projection correction using cylindrical projection, a dolly zoom effect simulation, and deblurring techniques. It also covers implementing exposure fusion on Android by porting code from MATLAB to C, Java, and the Android SDK to fuse multiple exposures based on pixel weightings of saturation, contrast, and exposure level. Multi-resolution fusion and fusion with flash images are also discussed.
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Advanced Image Processing: Project 1
- 3. lambda: 0.2 lambda: 3.0
- 4. Sample Count Comparison using tonemap() 100 1000
- 5. Compare with makehdr() makehdr() our implementation
- 10. Projection Correction using DigiKam
- 12. Cylindrical Projection ❖ s=f= ❖ (pixel) ❖ f = ~1750 pixels
- 14. Blending
- 15. No Projection
- 19. Ring Light
- 20. Ring Light On Off
- 21. Dolly Zoom Effect
- 22. ❖ ❖ ❖ ( ) -1 + ( ) -1 == ( )-1 ❖ ❖ ❖ ( )/( ) == ❖ ( ) ( ) ❖ : 33 cm :f/165 ( 1mm) ❖ / : (39.5/200) == (49.4 / 250) == 0.198
- 23. 200 cm 250 cm 39.5 mm 49.4 mm
- 27. Debluring 1. 2. gray lucy level deconv 3. 3. L2 combine deconv RGB
- 28. Exposure Fusion on Android ❖ Alternative to Radiance Map HDR approach ❖ pixel HDR : contrast exposure saturation ❖ Porting from Matlab -> C, Java/JNI, Android SDK, libjpeg
- 29. Exposure Fusion on Android
- 30. Exposure Fusion on Android
- 31. Exposure Fusion on Android
- 35. Pixel Weighting
- 36. Exposure Fusion on Android
- 38. Fusion with Flash Fired
- 39. Fusion with Flash Fired
- 40. Happy Hacking ;)