September 2016
Beginner
152 pages
4h 47m
English
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36. USE IMAGE STACKS IN PHOTOSHOP TO REDUCE NOISE
ONE OF THE best uses for image stacks is to remove the digital noise that appears in images when you use very high ISO settings or leave the shutter open for long periods of time. Digital noise appears as unwanted spots of color, especially in darker areas of constant color and tone. These spots of color are random, so if you shoot the same scene multiple times with the same settings, the noise will appear in different spots in each image. You can see an example of digital noise in Figure 36.1, which is the result of using a high ISO, in this case ISO 6400. In Figure 36.2 you can see the noise ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.