Visible to Intel only — GUID: GUID-6CE220B3-48DE-405E-8721-F5EE50500CB1
Visible to Intel only — GUID: GUID-6CE220B3-48DE-405E-8721-F5EE50500CB1
DilateBorder
Performs dilation of an image.
Syntax
IppStatus ippiDilateBorder_<mod>(const Ipp<datatype>* pSrc, int srcStep, Ipp<datatype>* pDst, int dstStep, IppiSize roiSize, IppiBorderType borderType, Ipp<datatype> borderValue, const IppiMorphState* pSpec, Ipp8u* pBuffer);
Supported values for mod:
8u_C1R | 16u_C1R | 16s_C1R | 32f_C1R |
IppStatus ippiDilateBorder_<mod>(const Ipp<datatype>* pSrc, int srcStep, Ipp<datatype>* pDst, int dstStep, IppiSize roiSize, IppiBorderType borderType, const Ipp<datatype> borderValue[3], const IppiMorphState* pSpec, Ipp8u* pBuffer);
Supported values for mod:
8u_C3R | 32f_C3R |
IppStatus ippiDilateBorder_<mod>(const Ipp<datatype>* pSrc, int srcStep, Ipp<datatype>* pDst, int dstStep, IppiSize roiSize, IppiBorderType borderType, const Ipp<datatype> borderValue[4], const IppiMorphState* pSpec, Ipp8u* pBuffer);
Supported values for mod:
8u_C4R | 32f_C4R |
IppStatus ippiDilateBorder_1u_C1R(const Ipp8u* pSrc, int srcStep, int srcBitOffset, Ipp8u* pDst, int dstStep, int dstBitOffset, IppiSize roiSize, IppiBorderType borderType, Ipp8u borderValue, const IppiMorphState* pSpec, Ipp8u* pBuffer);
Include Files
ippcv.h
Domain Dependencies
Headers: ippcore.h, ippvm.h, ipps.h, ippi.h
Libraries: ippcore.lib, ippvm.lib, ipps.lib, ippi.lib
Parameters
pSrc |
Pointer to the source image ROI. | ||||
srcStep |
Distance in bytes between the starting points of consecutive lines in the source image. | ||||
srcBitOffset |
Offset, in bits, from the first byte of the source image (for 1u_C1R flavor). |
||||
pDst |
Pointer to the destination image ROI. | ||||
dstStep |
Distance, in bytes, between the starting points of consecutive lines in the destination image. | ||||
dstBitOffset |
Offset, in bits, from the first byte of the destination image (for 1u_C1R flavor). |
||||
roiSize |
Size of the source and destination image ROI. | ||||
borderType |
Type of border. Possible values are:
|
||||
borderValue |
Constant value to assign to pixels of the constant border. This parameter is applicable only to the ippBorderConst border type. | ||||
pSpec |
Pointer to the specification structure. | ||||
pBuffer |
Pointer to the external buffer required for dilation operations. |
Description
This function operates with ROI.
This function expands a rectangular ROI area inside a one-channel two-dimensional image using a mask specified in the specification structure pSpec. Before using this function, you need to initialize the structure using the MorphologyBorderInit function.
The output pixel is set to the maximum of the corresponding input pixel and its neighboring pixels that are picked out by the nonzero mask values.
Return Values
ippStsNoErr |
Indicates no error. |
ippStsNullPtrErr |
Indicates an error when one of the specified pointers is NULL. |
ippStsSizeErr |
Indicates an error when:
|
ippStsStepErr |
Indicates an error when srcStep or dstStep is less than roiSize.width* < pixelSize>. |
ippStsNotEvenStepErr |
Indicates an error when one of the step values for 16-bit integer images is not divisible by 2. |
ippStsBorderErr |
Indicates an error when borderType has an illegal value. |
ippStsInplaceModeNotSupportedErr |
Indicates an error when the pSrc pointer is equal to the pDst pointer. |
Example
The code example below demonstrates how to use the ippiMorphologyBorderGetSize_16u_C1R, ippiMorphologyBorderInit_16u_C1R, and ippiDilateBorder_16u_C1R functions to perform dilation of the source image.
IppStatus func_MorfDilateBorder() { IppiMorphState* pSpec = NULL; Ipp8u* pBuffer = NULL; IppiSize roiSize = {5, 5}; Ipp8u pMask[3*3] = {1, 1, 1, 1, 0, 1, 1, 1, 1}; IppiSize maskSize = {3, 3}; Ipp16u pSrc[5*5] = { 1, 2, 4, 1, 2, 5, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 5, 1, 2}; Ipp16u pDst[5*5]; int srcStep = 5*sizeof(Ipp16u); int dstStep = 5*sizeof(Ipp16u); int dstSize = 5; IppStatus status = ippStsNoErr; int specSize = 0, bufferSize = 0; IppiBorderType borderType= ippBorderRepl; Ipp16u borderValue = 0; status = ippiMorphologyBorderGetSize_16u_C1R( roiSize, maskSize, &specSize, &bufferSize ); if (status != ippStsNoErr) return status; pSpec = (IppiMorphState*)ippsMalloc_8u(specSize); pBuffer = (Ipp8u*)ippsMalloc_8u(bufferSize); status = ippiMorphologyBorderInit_16u_C1R( roiSize, pMask, maskSize, pSpec, pBuffer ); if (status != ippStsNoErr) { ippsFree(pBuffer); ippsFree(pSpec); return status; } status = ippiDilateBorder_16u_C1R( pSrc, srcStep, pDst, dstStep, roiSize, borderType, borderValue, pSpec, pBuffer); ippsFree(pBuffer); ippsFree(pSpec); return status; }
The result is as follows:
pDst-> 5 5 4 4 2 5 5 4 4 2 5 5 2 2 2 2 5 5 5 2 2 5 5 5 2