Inventor · disambiguated record
Xiancheng Yuan
Also filed as: YUAN XIANCHENG
4 granted patents·1 pending application·714 citations·filing 1991–2006
85Inventor score
Top patents by PatentIndex Score
5 records- 0195US5821986AMethod and apparatus for visual communications in a scalable network environmentPICTURETEL CORP·Filed 1994·Granted Oct 13, 1998·238 cites·64 claims
- 0293US5150209AHierarchical entropy coded lattice threshold quantization encoding method and apparatus for image and video compressionPICTURETEL CORP·Filed 1991·Granted Sep 22, 1992·180 cites·58 claims
- 0391US5367385AMethod and apparatus for processing block coded image data to reduce boundary artifacts between adjacent image blocksPICTURETEL CORP·Filed 1992·Granted Nov 22, 1994·157 cites·7 claims
- 0491US5155594AHierarchical encoding method and apparatus employing background references for efficiently communicating image sequencesPICTURETEL CORP·Filed 1991·Granted Oct 13, 1992·139 cites·22 claims
- 0538US2008040757A1Video content streaming through a wireless access pointROMANO DAVID·Filed 2006·Application pending·0 cites
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