Inventor · Briarcliff Manor, NY, US

Yingwei Chen

40Patents
15h-index
26Co-inventors
81Inventor score

Filing activity: Dec 16, 1997 → Apr 13, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6263022A System and method for fine granular scalable video with selective quality enhancement Electricity 212 Expired
US6925126B2 Dynamic complexity prediction and regulation of MPEG2 decoding in a media processor Electricity 124 Expired
US6788740B1 System and method for encoding and decoding enhancement layer data using base layer quantization data Electricity 91 Expired
US6292512A Scalable video coding system Electricity 88 Expired
US6501797B1 System and method for improved fine granular scalable video using base layer coding information Electricity 74 Expired
US6810083B2 Method and system for estimating objective quality of compressed video data Electricity 74 Expired
US6639943B1 Hybrid temporal-SNR fine granular scalability video coding Electricity 67 Expired
US6480547B1 System and method for encoding and decoding the residual signal for fine granular scalable video Electricity 63 Expired
US6501397B1 Bit-plane dependent signal compression Electricity 47 Expired
US7010037B2 System and method for rate-distortion optimized data partitioning for video coding using backward adaptation Electricity 39 Expired
US6067118A Method of frame-by-frame calculation of quantization matrices Electricity 27 Expired
US6298090A System for detecting redundant images in a video sequence by comparing two predetermined threshold values Electricity 18 Expired
US6985635B2 System and method for providing a single-layer video encoded bitstreams suitable for reduced-complexity decoding Electricity 17 Expired
US6826232B2 Fine granular scalable video with embedded DCT coding of the enhancement layer Electricity 15 Expired
US6990146B2 Method and system for detecting intra-coded pictures and for extracting intra DCT precision and macroblock-level coding parameters from uncompressed digital video Electricity 15 Expired
US6608867B2 Detection and proper scaling of interlaced moving areas in MPEG-2 compressed video Electricity 12 Expired
US6101278A System for extracting coding parameters from video data Electricity 10 Expired
US7145948B2 Entropy constrained scalar quantizer for a Laplace-Markov source Electricity 8 Expired
US6532263B2 Scalable video coding system Electricity 8 Expired
US6084982A Method of chroma-keying for a digital video compression system Electricity 7 Expired
US8320540B2 Verifying user identity using a reverse caller ID process Electricity 7 Active
US7992068B2 Digital television transmission with error correction Electricity 7 Active
US7016414B2 Method and system for skipping decoding of overlaid areas of video Electricity 6 Expired
US7092448B2 Method and system for estimating no-reference objective quality of video data Electricity 6 Expired
US6909750B2 Detection and proper interpolation of interlaced moving areas for MPEG decoding with embedded resizing Electricity 3 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.