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Comparison of color versions (raw, natural, white balance) of Mount Sharp (Aeolis Mons) on Mars A white-balanced image of Mount Sharp (Aeolis Mons) on Mars. Most digital cameras have means to select color correction based on the type of scene lighting, using either manual lighting selection, automatic white balance, or custom white balance. [6]
Automatic white balance. A setting that uses the camera's hardware and firmware to estimate the colour temperature of the scene. [6] C1: Capture One, a software application for processing images from digital cameras. Developed by Phase One. CA: Chromatic aberration. Failure of a lens to focus all colours at the same point. [2]
In film cameras, no electronic or digital manipulation of white balance is possible in the original camera negative. Color-correction filters are an effective method of adjusting white balance. Without filtering, one must attempt to fix white balance through color timing or by manipulating the film after it has been scanned or telecined.
Many digital cameras have a custom white balance feature. A photo of the gray card is taken and used to set white balance for a sequence of photos. For post-processing white balance, a photo of the gray card in the scene is taken, and the image processing software uses the data from the pixels in the gray card area of the photo to set the white ...
Nevertheless, it is important to measure a camera's color response: its color shifts, saturation, and the effectiveness of its white balance algorithms. Distortion is an aberration that causes straight lines to curve. It can be troublesome for architectural photography and metrology (photographic applications involving measurement).
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The color balance can be improved, which is important if the picture was shot indoors with daylight film, or shot on a camera with the white balance incorrectly set. Special effects, like sepia tone and grayscale, can be added to an image. In addition, more complicated procedures, such as the mixing of color channels, are possible using more ...
Most digital cameras try to automatically detect and compensate colour cast and usually have a selection of manually set white balance settings to choose from. Otherwise, photo editing programs, such as Photoshop, often have built in colour correction facilities.