Similarity measurement

SimilarityStats =

similarityMsr (inImg1,inImg2)

Detailed Description

measures of similarity between two images

Computes similarity measures between two images.

See ipsdk::imaproc::attr::SimilarityStats for a complete list of image similarity measures processed by this algorithm.

Example of Python code :

Example imports

import PyIPSDK
import PyIPSDK.IPSDKIPLGlobalMeasure as glbmsr

Code Example

    # opening of input images
    inImg1 = PyIPSDK.loadTiffImageFile(inputImgPath1) 
    inImg2 = PyIPSDK.loadTiffImageFile(inputImgPath2) 
    
    # similarity measurement
    similarityMsrResult = glbmsr.similarityMsr(inImg1, inImg2)
    
    # retrieve measurement results
    sumSquareDiff = similarityMsrResult.sSD
    print("Sum of Squared Differences between two images " + str(sumSquareDiff))

Example of C++ code :

Example informations

Header file

#include <IPSDKIPL/IPSDKIPLGlobalMeasure/Processor/SimilarityMsr/SimilarityMsr.h>

Code Example

        // open input image
        ImageGeometryPtr pImageGeometry = geometry2d(type, sizeX, sizeY);
        ImagePtr pInImg1 = loadRawImageFile(in1Path, *pImageGeometry);
        ImagePtr pInImg2 = loadRawImageFile(in2Path, *pImageGeometry);

        // compute statistic measures on input image
        SimilarityStatsPtr pRes = similarityMsr(pInImg1, pInImg2);

        // retrieve associated results value
        const ipUInt64 pixCount = pRes->getValue<SimilarityStats::PixCount>();
        const ipReal64 ssdValue = pRes->getValue<SimilarityStats::SSD>();
        const ipReal64 mseValue = pRes->getValue<SimilarityStats::MSE>();
        const ipReal64 psnrValue = pRes->getValue<SimilarityStats::PSNR>();