Adam7

(graphics, algorithm)One of the progressive coding methodsused in PNG images. Adam7, named after its author, AdamM. Costello, consists of seven distinct passes over the image.Each pass transmits a subset of the pixels in the image.The pass in which each pixel is transmitted is defined byreplicating the following 8-by-8 pattern over the entireimage, starting at the top left:

1 6 4 6 2 6 4 67 7 7 7 7 7 7 75 6 5 6 5 6 5 67 7 7 7 7 7 7 73 6 4 6 3 6 4 67 7 7 7 7 7 7 75 6 5 6 5 6 5 67 7 7 7 7 7 7 7

单词	adam7
释义	Adam7 Adam7 (graphics, algorithm)One of the progressive coding methodsused in PNG images. Adam7, named after its author, AdamM. Costello, consists of seven distinct passes over the image.Each pass transmits a subset of the pixels in the image.The pass in which each pixel is transmitted is defined byreplicating the following 8-by-8 pattern over the entireimage, starting at the top left: 1 6 4 6 2 6 4 67 7 7 7 7 7 7 75 6 5 6 5 6 5 67 7 7 7 7 7 7 73 6 4 6 3 6 4 67 7 7 7 7 7 7 75 6 5 6 5 6 5 67 7 7 7 7 7 7 7
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