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Adam7
<graphics, algorithm> One of the progressive coding methods
used in PNG images. Adam7, named after its author, Adam
M. 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 by
replicating the following 8-by-8 pattern over the entire
image, starting at the top left:
1 6 4 6 2 6 4 6
7 7 7 7 7 7 7 7
5 6 5 6 5 6 5 6
7 7 7 7 7 7 7 7
3 6 4 6 3 6 4 6
7 7 7 7 7 7 7 7
5 6 5 6 5 6 5 6
7 7 7 7 7 7 7 7
(2000-09-12)
Try this search on OneLook / Google
Nearby terms:
Adaline « Ada Lovelace « ADAM « Adam7 » Adamakegen » ADAMO » Ada-O
This article was derived from the Free Online Dictionary of Computers and is available under ther terms of the GNU Free Documentation License.
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