![]() ![]() Noise due to high ISO: Higher the ISO you use, more the image noise will be. The visibility of these hot pixels depends on the white balance setting or color temperature. Noise due to long exposure: In long exposure photographs, the noise appears as ‘hot pixels’. ![]() There are four different causes of image noise: In the digital world, image noise is analogous to film grain. And I will add some dos and don’ts of digital image noise reduction.īefore getting into the noise reduction business, I would like to talk about few things on image noise. Part 2: I will show you how to reduce noise in your images using Lightroom 4. Part 1: I will explain global and selective noise reduction methods, and I will walk you through the various settings of NR in Lightroom 4. There are two ways you can do image noise reduction in Lightroom 4: ![]() And one of the smart changes is in the NR section. But, adobe has done some serious changes in Lightroom 4. I was using other noise reduction applications. When I used to use Lightroom 3, I had never relied on it for reducing noise in my photos since it was not that impressive in doing its job. Noise reduction (NR) in Lightroom 4 is absolutely great. ![]()
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