In digital photography and digital video, chroma noise are fluctuations in color and luminance. Chroma noise is unnatural in appearance in the image or video. Noise reduction software can be used reduce both chroma noise.
Tutorials - Image Noise Understanding the noise characteristics of a digital camera will help you know how noise will influence your photographs. The following sections discuss the tonal variation of noise, "chroma" and luminance noise, and the frequency and magnitude of image noise. Examples of noise variation based on ISO and color channel are also shown for three different digital cameras.
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