Visible to Intel only — GUID: GUID-250C1DAE-7E94-4677-8F22-A8A9E9D30A76
Visible to Intel only — GUID: GUID-250C1DAE-7E94-4677-8F22-A8A9E9D30A76
Thresholding
The threshold functions change pixel values depending on whether they are less or greater than the specified threshold.
The type of comparison operation used to threshold pixel values is specified by the ippCmpOp parameter; this operation can be either “greater than” or “less than” (see Structures and Enumerators for more information). For some thresholding functions the type of comparison operation is fixed.
If an input pixel value satisfies the compare condition, the corresponding output pixel is set to the fixed value that is specific for a given threshold function flavor. Otherwise, it is either not changed, or set to another fixed value, which is defined in a particular function description.
For images with multi-channel data, the compare conditions should be set separately for each channel.
- Threshold
Performs thresholding of pixel values in an image buffer. - Threshold_GT
Performs thresholding of pixel values in an image, using the comparison for “greater than”. - Threshold_LT
Performs thresholding of pixel values in an image buffer, using the comparison for “less than”. - Threshold_Val
Performs thresholding of pixel values in an image buffer. Pixels that satisfy the compare condition are set to a specified value. - Threshold_GTVal
Performs thresholding of pixel values in an image. Pixels that are greater than threshold, are set to a specified value. - Threshold_LTVal
Performs thresholding of pixel values in an image. Pixels that are less than threshold, are set to a specified value. - Threshold_LTValGTVal
Performs double thresholding of pixel values in an image buffer. - ComputeThreshold_Otsu
Computes the value of the Otsu threshold.