Newbie
Group: Members
Posts: 1
Member No.: 30045
Joined: 27-February 11
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Hello.
I have just started creating my first filter. I'm using the SDK sample from this site.
I've got a grayscale depth video (from Kinnect) and I need to make the front layer objects white (paint them 0xffffff).
So I planned on comparing pixels with a treshold and painting it white.
Processing video frames:
void VerticalBlurFilter::DepthFunction(void *dst0, ptrdiff_t dstpitch, const void *src0, ptrdiff_t srcpitch, uint32 w, uint32 h)
{
uint32 *dst = (uint32 *)dst0;
const uint32 *src = (const uint32 *)src0;
uint32 threshold = (0xbbbbbb);
// loop over all rows
for(int y=0; y<h; ++y) {
// loop over all pixels in current row
for(int x=0; x<w; ++x) {
uint32 pixelValue = src[x];
//this is my comparing
if (pixelValue>threshold) dst[x] = pixelValue;
else dst[x] = 0xffffff;
}
// advance to next row in destination and source pixmaps
dst = (uint32 *)((char *)dst + dstpitch);
src = (const uint32 *)((const char *)src + srcpitch);
}
}
But when I start this filter in VirtualDub I'm getting white parallel lines across objects instedd of solid white objects:
I'm guessing that it's a newbie question, but if somebody knows or has any suggestions about the nature of these lines it would be very helpful.
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