|  | OpenCV
    4.1.0
    Open Source Computer Vision | 
| Macros | |
| Interpolation modes | |
| 
 | |
| #define | CV_HAL_INTER_NEAREST 0 | 
| #define | CV_HAL_INTER_LINEAR 1 | 
| #define | CV_HAL_INTER_CUBIC 2 | 
| #define | CV_HAL_INTER_AREA 3 | 
| #define | CV_HAL_INTER_LANCZOS4 4 | 
| Morphology operations | |
| 
 | |
| #define | CV_HAL_MORPH_ERODE 0 | 
| #define | CV_HAL_MORPH_DILATE 1 | 
| Threshold types | |
| 
 | |
| #define | CV_HAL_THRESH_BINARY 0 | 
| #define | CV_HAL_THRESH_BINARY_INV 1 | 
| #define | CV_HAL_THRESH_TRUNC 2 | 
| #define | CV_HAL_THRESH_TOZERO 3 | 
| #define | CV_HAL_THRESH_TOZERO_INV 4 | 
| #define | CV_HAL_THRESH_MASK 7 | 
| #define | CV_HAL_THRESH_OTSU 8 | 
| #define | CV_HAL_THRESH_TRIANGLE 16 | 
| Adaptive threshold algorithm | |
| 
 | |
| #define | CV_HAL_ADAPTIVE_THRESH_MEAN_C 0 | 
| #define | CV_HAL_ADAPTIVE_THRESH_GAUSSIAN_C 1 | 
 1.8.3
 1.8.3