- Prewitt edge detector: gradient filter and nonmaxima-suppression (NMS)
Output is two images: 1. gradient magnitute; 2. final result after NMS.
Input:
Prewitt edge detection:
Nonmaxima-suppression:
- Thresholding algorithm by Otsu
Output: thresholded image and obtained threshold value.
Input:
Output:
- Circle Hough Transform
Output: 1. accumulator image; 2. input image with objects detected in given range of diameters
Input:
Output:
