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Old 29-10-2010, 10:05 PM
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avandonk
avandonk

avandonk is offline
 
Join Date: Aug 2005
Location: Melbourne
Posts: 4,786
Quote:
Originally Posted by Moon View Post
As I mentioned in the now deleted thread, I'll try to do a test of the Adam Block nearest neighbor method (using the CCDStack data reject procedures) and compare it to Bicubic b-spline. I'm not at all sure if I can do a meaningful test, but I'll give it a try. I'm also not the person to ask about the full mathematical background I might add - that would be the guy that did this masterpiece.

The thing that worries me about the nearest neighbor is the way it distorts the image. But every time I try it, it seems to work well.

James
There is nothing wrong with nearest neighbour. We have computers now that can fit a curve to the pixels based on a localised curve that gives a far better approximation for interpolation. A bicubic curve does this extremely well.

You cannot make a silk purse out of a sows ear. If the image is very noisy you are wasting your time.

Bert the grump!
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