Tag: pixel
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Upscaling a photo with free AI
Problem statement Sometimes, I am somewhat dissatisfied with the size of my digital photographs. The simplest way to improve (after the fact) is to run any Photoshop-like program, and apply a resampling (resize) preferably with the Lanczos method, in order to get 2x or 3x or 4x more pixels. It is fast and efficient, but…
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Clean hot pixels from RAW files
It is sometimes unpleasant to discover a little annoying problem like a defective pixel on the sensor of a digital photo camera. It produces a small colored pixel (often black or white, sometimes of some other color). On a RAW file, it could be worse if it produces a colored streak. It is most visible…
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ISO is the new MP
During years we have been worried because people seemed only interested in getting more Mega-Pixels (MP) out of the new photo cameras (or camera feature sheets). It has been repeated often enough that this single quantity is not a good measure of camera performance. It was, when cameras had so few pixels (less than 3-5…