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Digital Noise Removal Filters |
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Forum Member
Join Date: May 2004
Location: London, U.K.
Posts: 1,560
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Digital Noise Removal Filters
A question for all digital camera and image buffs out there:
I learned about Digital Noise Filters recently (elsewhere on this site, I believe), and someone strongly recommended applying such a filter when processing images taken with digital cameras. I tried it (using Paint Shop Pro XI) using the default raster size and a quarter of the default. In both cases, the image has not gained but actually lost detail. Mind you, I used high-res images (a 6MB camera) of grainy surfaces (sandstone). Is digital noise an effect inherent to the CCD, and what factors determine its proportion? What's the deal? |
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