Martin R Picco, William G Mears, Jonathan S Kau: System and method for inserting local content into programming content. Cogent Technology, Gray Cary Ware & Freidenrich, February 22, 2000: US06029045 (628 worldwide citation)

A system for communicating a programming data stream and a data stream containing pieces of local content data that are going to be inserted into a local content space in the programming data stream at some predetermined time is provided in which the programming data stream and the local content dig ...

Jonathan S Kau, William G Mears: Evaluation of perceptual visual quality. Tektronix, Francis I Gray, Marger Johnson, March 7, 2017: US09591304 (1 worldwide citation)

A method of evaluating perceptual visual quality (PVQ) of compressed video bit streams in the H.262 or H.264 formats without performing block transforms or prediction decodes I-frames within a group of pictures (GOP). DC and AC coefficients are determined for selected macroblocks within a selected o ...

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