calcSharrDeriv     61 modules/video/src/lkpyramid.cpp     if (tegra::useTegra() && tegra::calcSharrDeriv(src, dst))
calcSharrDeriv    820 modules/video/src/lkpyramid.cpp             calcSharrDeriv(thisLevel, derivI);
calcSharrDeriv   1238 modules/video/src/lkpyramid.cpp             calcSharrDeriv(prevPyr[level * lvlStep1], derivI);