US PATENT SUBCLASS 382 / 252
.~.~ Error diffusion or dispersion

Current as of: June, 1999
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382 /   HD   IMAGE ANALYSIS

232  DF  IMAGE COMPRESSION OR CODING {14}
251  DF  .~ Quantization {2}
252.~.~ Error diffusion or dispersion

DEFINITION

Classification: 382/252

Error diffusion or dispersion:

(under subclass 251) Subject matter in which any error in a given output image value that results from quantization is distributed among surrounding values so as to reduce the losses that accumulated errors would have on the output image as a whole.

SEE OR SEARCH CLASS

358, Facsimile,

465, and 466 for error diffusion in facsimile.