OpenCL-implementation of the Zero-mean Normalized Cross Correlation(ZNCC)
+ Decode two 32-bit RGBA images (running on host-code)
+ Resize these images by 1/16 (from 2940x2016 to 735x504)
+ Transform these images to greyscale images
+ Implement ZNCC on these image with changeable window size, output of ZNCC is disparity map.
+ Cross check two output disparity maps
+ Occlusion filling one output disparity map from cross check (running on host-code)
+ Normalize the disparity map to 0..255 (running on host-code)
(case after downscaled, MAXDISP is 64)
+ Output the result image to "depthmap.png" (running on host-code)
NOTES : + Make use of the lodepng lib: http://lodev.org/lodepng/
AUTHOR : Lam Huynh
MAJOR CHANGES : (checkout git for details)
| NO | VERSION | DATE | DETAIL |
|---|---|---|---|
| 01 | 0.1.1 | 10Mar17 | Respawned host-code from C-implementation |
| 02 | 0.1.2 | 17Mar17 | resize.cl corrected |
| 03 | 0.1.3 | 21Mar17 | zncc.cl corrected |
| 04 | 0.1.4 | 26Mar17 | cross_check.cl corrected |
| 05 | 0.1.5 | 31Mar17 | occlusion_filling.cl worked |
| 06 | 0.1.5 | 05Apr17 | normalize.cl worked |
| 07 | 0.2.1 | 10Apr17 | remove occlusion_filling.cl & normalize.cl (got stuck in optimize) |
| 08 | 0.2.2 | 20Apr17 | change host-code |
| 09 | 0.2.3 | 05May17 | Final host-code |