| Glossary Of Photography Terms
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Hot Pixel A hot pixel is a defective or malfunctioning pixel in a digital camera sensor that produces an abnormally bright or colored pixel in captured images. Hot pixels can occur due to manufacturing defects, sensor damage, or prolonged exposure to high temperatures.
They manifest as small, isolated points of light that appear brighter than the surrounding pixels in an image, particularly noticeable in long-exposure photographs or images captured at high ISO sensitivities. Hot pixels can detract from image quality and may require post-processing techniques such as noise reduction or pixel mapping to correct. Some digital cameras feature built-in hot pixel detection and correction algorithms to automatically identify and remove hot pixels from images during processing. |
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