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Vision coprocessing

  • US 5,793,899 A
  • Filed: 12/05/1995
  • Issued: 08/11/1998
  • Est. Priority Date: 06/01/1992
  • Status: Expired due to Term
First Claim
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1. In a rank value filter apparatus of the type having input means for inputting a plurality of candidate digital words, each said candidate digital word comprising a plurality of bits, and storage means for at least initially storing a predetermined rank of word to be selected from said plurality of candidate digital words, the improvement comprisingA. mask means for storing a mask associated with each of said candidate digital words, each said mask being at least initially set,B. iterative ranking means coupled with said input means, said storage means and said mask means for iteratively comparing(i) a respective portion of each of those plural candidate digital words that is associated with a set mask with(ii) a respective portion of each of the other words that are associated with a set mask for generating a respective portion of a resultant digital word, andC. means for generating said resultant digital word as representative of said predetermined rank.

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