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Graphics Interchange Format  |  1998-02-10  |  61KB  |  619x290  |  4-bit (16 colors)
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OCR: TreeUpdateUp[ONode M) { RGB ChildrenAverage If Nis not a leaf node for it- 1 to 4 TreeUpdateUp(N.child)) N.value N.value = N.certainty + N.child[i].value + N.child[i].certainty N.certainty + N.child[i].certainty 6 Propagation N.certainty +- N.certainty + N.childuj.certainty of values up and 21 .. N.child[j].value - N.child[j].certainty down the ChildrenAverage e. E} ,N.child[i].certainty quadtree. for i <- 1 to 4 N.chiich.value + N.chiloff.vaive - ChildrenAverage TreeUpdateDown(QNode N, RGB ParentValue) { N.value - N.value + ParentValue if Nis not a leaf node for i + 1 to 4 TreeUpdateDown(N.child[]], N.value)