Legacy ImageMagick Discussions Archive

I assume your exposures haven't burnt-out, and that your camera has a linear sensor. Histogram matching is more complex than you need for simple exposure correction, which needs only a multiplier to be applied to all three channels. If your photos have the same amount of moon and background, then t...

I assume your exposures haven't burnt-out, and that your camera has a linear sensor. Histogram matching is more complex than you need for simple exposure correction, which needs only a multiplier to be applied to all three channels. If your photos have the same amount of moon and background, then t...

What is your IM version and platform? Coding and syntax is different. On Unix, I have a script called matchimage that matches according to brightness and contrast (mean and standard deviation). See my link below. User snibgo has a similar script for Windows. See http://im.snibgo.com/gainbias.htm. I...

Hi folks, I have a stack of photos of the moon that have some different exposure. There are 693 of them. During the time I took them I changed the exposure time setting. This was a novice mistake. In any case I am trying to salvage the most pics I can by correcting the exposure of the frames. I trie...