Lines Matching full:dyval
115 int dyVal = (src(y + 1, x - 1) + 2 * src(y + 1, x) + src(y + 1, x + 1)) - (src(y - 1, x - 1) + 2 * src(y - 1, x) + src(y - 1, x + 1));
118 dy(y, x) = dyVal;
120 mag(y, x) = norm(dxVal, dyVal);
181 int dyVal = dy(y, x);
183 const int s = (dxVal ^ dyVal) < 0 ? -1 : 1;
187 dyVal = ::abs(dyVal);
199 dyVal <<= CANNY_SHIFT;
201 if (dyVal < tg22x)
206 else if(dyVal > tg67x)
