Translations:Interactive earth-digital processing/4/en

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How does a photographer use a digital camera today? He can take a candid picture, such as a photograph of a person taken informally on the street, especially without the subject’s knowledge. Suppose a freelance photographer who pursues a celebrity can obtain only one picture in a particular circumstance. Unfortunately, the picture is full of extraneous items. Once he is back in his studio, the photographer uses his digital computer to remove the extraneous items and enhance the picture. The photographer chooses a configuration of enhancement parameters and makes an initial run on the computer. He looks at the result. If he is not satisfied with the picture, he adjusts the configuration of the parameters and makes another run on the computer. He continues to use this iterative improvement algorithm until he is satisfied with the result.