Imgproc_hal_interface

Interpolation modes
参照 cv::InterpolationFlags
#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
参照 cv::MorphTypes
#define	CV_HAL_MORPH_ERODE   0
#define	CV_HAL_MORPH_DILATE   1

Threshold types
参照 cv::ThresholdTypes
#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
参照 cv::AdaptiveThresholdTypes
#define	CV_HAL_ADAPTIVE_THRESH_MEAN_C   0
#define	CV_HAL_ADAPTIVE_THRESH_GAUSSIAN_C   1

詳解