![]() Automatically switches to if you set the power switch to, replace the battery or card, or switch to Basic Zone modes, bulb exposure, or movie recording.Adobe Camera Raw has some powerful noise reduction tools. is not available (not displayed) when recording movies. The goal is to look for noise after all, not all images require noise reduction.Note that the AF-assist beam may be fired, depending on the setting. is not available when features such as these are set: bulb exposures, AEB or WB bracketing, RAW or RAW+JPEG shooting, long exposure noise reduction, or Creative filters.Shooting is not possible until processing is finished. is displayed on the shooting screen during image processing. After shooting, it may take some time to record an image to the card after performing noise reduction and merging the images.If the subject’s brightness changes as the four consecutive shots are taken, irregular exposure in the image may result.Auto image alignment may not function properly with repetitive patterns (lattice, stripes, etc.) or flat, single-tone images.If you shoot a moving subject, the moving subject may leave afterimages.Be careful about camera shake in handheld shots.If there is significant misalignment in the image due to camera shake, the noise reduction effect may become smaller. ![]() Selecting a region changes the language and/or content on when set to If your image has color noise (multicolored pixels), drag the Color Noise Reduction slider to the right to reduce the color noise.Tip: If you are having trouble seeing the noise reduction effect, as you drag, press the Option key (MacOS) or the Alt key (Windows) to view a grayscale image. Instead, focus on reducing noise so that it is not distracting. ![]() The goal is never to remove noise completely. Image noise may be caused by different sources ( from sensor or from environment) which are often not possible to avoid in practical situations. What denoising does is to estimate the original image by suppressing noise from the image. The noise reduction process smooths pixels, and it can remove fine detail. One of the fundamental challenges in image processing and computer vision is image denoising.
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