coherence enhancement

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blackcoffee
blackcoffee il 4 Ago 2011
hi
although this is not strictly a matlab related question.. could somebody tell me what coherence enhancement is?
also,what exactly is flow visualization in the context of images. I'd be very happy if sombebody could answer this as well.

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Image Analyst
Image Analyst il 4 Ago 2011
You could ask in sci.image.processing. Basically it's doing smoothing along lines and ridges more than perpendicular to them. One situation where this comes in handy is in cleaning up noise in fingerprint images.
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blackcoffee
blackcoffee il 5 Ago 2011
which one did you mean? coherence enhancement or flow visualization?
Bjorn Gustavsson
Bjorn Gustavsson il 5 Ago 2011
Coherence enhancement. There are a couple of nice non-linear diffusion filter functions on the file exchange that does coherence enhancement filtering.

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