programming matlab computer vision image processing functions algorithms camera calibration image watermarking image halftoning color quantization harris corner detection bag of words object recognition sift feature descriptor feature detector image features hough transform canny edge detector edge detection otsu segmentation threshold based segmentation mean shift segmentation homography geometrical transformation image warping histogram equalization image enhancement median filter image frequency response low level image processing image convolution image filter camera structure image representation nest if vectorized code nested loops fprintf algorithm looping selection
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