|
|
![1](drex_bullet_1.png) Homogenity
The filter finds objects' edges by calculating maximum difference of processing pixel with neighboring pixels in 8 directions.
| |
![2](drex_bullet_2.png) Difference
The filter finds objects' edges by calculating maximum difference between pixels in 4 directions around the processing pixel.
| |
![3](drex_bullet_3.png) Sobel
The filter searches for objects' edges by applying Sobel operator.
| |
![4](drex_bullet_4.png) Canny
The filter searches for objects' edges by applying Canny edge detector.
| |
|
|
|
|