最終更新:2019-02-22 (金) 06:34:27 (1884d)  

cv::accumulateWeighted
Top / cv::accumulateWeighted

void cv::accumulateWeighted( InputArray _src, InputOutputArray _dst,
                             double alpha, InputArray _mask )
{
    Mat src = _src.getMat(), dst = _dst.getMat(), mask = _mask.getMat();
    int sdepth = src.depth(), ddepth = dst.depth(), cn = src.channels();

    CV_Assert( dst.size == src.size && dst.channels() == cn );
    CV_Assert( mask.empty() || (mask.size == src.size && mask.type() == CV_8U) );

    int fidx = getAccTabIdx(sdepth, ddepth);
    AccWFunc func = fidx >= 0 ? accWTab[fidx] : 0;
    CV_Assert( func != 0 );

    const Mat* arrays[] = {&src, &dst, &mask, 0};
    uchar* ptrs[3];
    NAryMatIterator it(arrays, ptrs);
    int len = (int)it.size;

    for( size_t i = 0; i < it.nplanes; i++, ++it )
        func(ptrs[0], ptrs[1], ptrs[2], len, cn, alpha);
}
 



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