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Registered Member #2140
Joined: Tue May 26 2009, 09:16PM
Location:
Posts: 53
I tried to do it so if the total error is greater than a certain value, it is automatically discarded. This only turned a few blocks black, and then, suddenly, all of them black. I most likley messed up the code, i will have another go. However,i think having the progressive scan should be sufficient.
Test Pictures:
Left: Right:
The images are scaled down (originial was 2.6mb each, too big for flickr).
EDIT: I reread your post and i got what your saying. While this may work, this would significantly increase calculation time. My eventual goal is semi-realtime, or at least usable. 10 megapixels at 1 pixel resolution took around 3 hours. I will only try that if progressive scanning does not work as i hope it will.
Registered Member #2140
Joined: Tue May 26 2009, 09:16PM
Location:
Posts: 53
Can't really tell if yours or mine would work better for a point cloud, although yours is probably more accurate. What language do you use? Could i see the source?
I also notice your having a similar problem as me: The gradient look. The further right of the image a block is, the brighter it is. The one i posted doesn't have it much, but i usually have that as well, quite apparent. I was playing around in gimp trying to subtract that gradient, but couldn't get decent results.
EDIT: my 16x16 blocks is much blockier. Was that a typo? Or did you have some sort of post-production
Registered Member #27
Joined: Fri Feb 03 2006, 02:20AM
Location: Hyperborea
Posts: 2058
The grid you plot the result on does not have to be related to the size of the search blocks so you can launch a search for a 16x16 block for every pixel in the image.
The gradient from left to right seems to be because the top half of the picture is at at an angle.
I used the free version of Visual Basic. I will send you a PM with the code.
Edit: You were right about the bug, there was an x too many: err += Math.Abs(CInt(leftPic((x + xx) + ((y + yy) * xRes))) - CInt(rightPic((xx + xxx) + ((y + yy) * xRes))))
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3D reconstruction
