public static void find_best_patch_inside_region_test(
classimage_mono image,
ref uint ubest, ref uint vbest, ref float evbest,
uint BOXSIZE, uint ustart, uint vstart,
uint ufinish, uint vfinish)
{
long corr;
long corrmax = MIN_PATCH_DIFFERENCE * BOXSIZE * BOXSIZE / 2;
int tx, ty, bx, by;
for (int x = (int)ustart; x < ufinish; x++)
{
for (int y = (int)vstart; y < vfinish; y++)
{
tx = (int)(x - (BOXSIZE - 1) / 2);
ty = (int)(y - (BOXSIZE - 1) / 2);
bx = (int)(tx + BOXSIZE);
by = (int)(ty + BOXSIZE);
long leftval = image.getIntegral(tx, ty, x, by);
long rightval = image.getIntegral(x, ty, bx, by);
long topval = image.getIntegral(tx, ty, bx, y);
long bottomval = image.getIntegral(tx, y, bx, by);
corr = Math.Abs(leftval - rightval) +
Math.Abs(topval - bottomval) +
Math.Abs(leftval - topval) +
Math.Abs(rightval - topval) +
Math.Abs(leftval - bottomval) +
Math.Abs(rightval - bottomval);
if (corr > corrmax)
{
corrmax = corr;
ubest = (uint)x;
vbest = (uint)y;
evbest = corr;
}
}
}
}
