Diff8uC1          226 modules/imgproc/src/floodfill.cpp     Diff8uC1(uchar _lo, uchar _up) : lo(_lo), interval(_lo + _up) {}
Diff8uC1          590 modules/imgproc/src/floodfill.cpp         floodFillGrad_CnIR<uchar, uchar, int, Diff8uC1>(
Diff8uC1          592 modules/imgproc/src/floodfill.cpp                 Diff8uC1(ld_buf.b[0], ud_buf.b[0]),