Intel® Integrated Performance Primitives Developer Guide and Reference

ID 790148
Date 11/07/2023
Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

MorphReconstructErode

Reconstructs an image by erosion.

Syntax

IppStatus ippiMorphReconstructErode_<mod>(const Ipp<datatype>* pSrc, int srcStep, Ipp<datatype>* pSrcDst, int srcDstStep, IppiSize roiSize, Ipp8u* pBuf, IppiNorm norm);

Supported values for mod:

8u_C1IR 16u_C1IR 64f_C1IR

IppStatus ippiMorphReconstructErode_32f_C1IR(const Ipp32f* pSrc, int srcStep, Ipp32f* pSrcDst, int srcDstStep, IppiSize roiSize, Ipp32f* pBuf, IppiNorm norm);

Include Files

ippcv.h.

Parameters

pSrc

Pointer to the source image ROI.

srcStep

Distance in bytes between starts of consecutive lines in the source image.

pSrcDst

Pointer to the decreased and reconstructed image ROI.

srcDstStep

Distance in bytes between starts of consecutive lines in the decreased and reconstructed image.

roiSize

Size of the source and destination image ROI.

norm

Type of norm to form the mask for dilation; the following values are possible:

ippiNormInf

Infinity norm (8-connectivity, 3x3 rectangular mask).

ippiNormL1

L1 norm (4-connectivity, 3x3 cross mask).

pBuf

Pointer to the buffer.

Description

This function operates with ROI (see Regions of Interest in Intel IPP).

This function performs morphological reconstruction of the increased source image by erosion [Vincent93]. The operation is performed in the working buffer whose size should be computed using the function MorphReconstructGetBufferSize beforehand.

This operation enables detection of the regional minimums that can be used as markers for successive watershed segmentation.

Return Values

ippStsNoErr

Indicates no error. Any other value indicates an error or a warning.

ippStsNullPtrErr

Indicates an error condition if one of the specified pointers is NULL.

ippStsSizeErr

Indicates an error condition if roiSize has a field with a zero or negative value.

ippStsStepErr

Indicates an error condition if srcStep or srcDstStep is less than roiSize.width * <pixelSize>.

ippStsNotEvenStepErr

Indicates an error condition if one of the step values is not divisible by 4 for floating-point images.

ippStsBadArgErr

Indicates an error condition if norm has an illegal value.