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Lines Matching defs:nch

308     int nch = CV_MAT_CN( img->type );
313     assert( img && (nch == 1 || nch == 3) && CV_MAT_DEPTH(img->type) == CV_8U );
319     ptr += img->step*2 + 2*nch;
402     if( nch == 3 )
576     //assert( img && (nch == 1 || nch == 3) && CV_MAT_DEPTH(img->type) == CV_8U );