| Revision as of 16:01, 20 June 2005 editZundark (talk | contribs)Extended confirmed users, File movers, Pending changes reviewers29,653 edits It's not a compression algorithm!← Previous edit | Revision as of 01:53, 3 August 2005 edit undoQutezuce (talk | contribs)13,755 editsm wikify dateNext edit → | ||
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| The subimages are stored in the PNG file in numerical order. | The subimages are stored in the PNG file in numerical order. | ||
| Adam7 is named after Adam M. Costello, who suggested the method on |
Adam7 is named after Adam M. Costello, who suggested the method on ], ], based on a very similar five-pass scheme that had earlier been proposed by Lee Daniel Crocker. | ||
| {{compu-graphics-stub}} | {{compu-graphics-stub}} | ||
Revision as of 01:53, 3 August 2005
Adam7 is the interlacing algorithm specified for use in PNG images. An interlaced PNG image is broken into seven subimages, which are defined by replicating the following 8x8 pattern across the full image:
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
The subimages are stored in the PNG file in numerical order.
Adam7 is named after Adam M. Costello, who suggested the method on January 30, 1995, based on a very similar five-pass scheme that had earlier been proposed by Lee Daniel Crocker.
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