Inventor

PIETRAS MARK A

US17 patents

⚠️ This page may combine multiple inventors who share the name “PIETRAS MARK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIETRAS MARK A

IBM

Luminance transition coding method for software motion video compression/decompression

System and method for video compression with artifact dispersion control

Hybrid video compression system and method capable of software-only decompression in selected multimedia systems

System and method for frame differencing video compression and decompression with frame rate scalability

System and method of measuring fidelity of decompressed video signals and images

System and method for frame-differencing based video compression/decompression with forward and reverse playback capability

Scalable digital video decompressor

System and method for pattern-matching with error control for image and video compression

Variable spatial frequency chrominance encoding in software motion video compression

Data processing method and apparatus for converting color image data to non-linear palette

System and method for frame-differencing video compression/decompression using perceptually-constant information and image analysis

Method and apparatus for improved compression and recording of color video data in a personal computer using a plurality of lookup tables

Method and apparatus for color space conversion, clipping, and scaling of an image during blitting

Method of converting luminance-color difference video signal to a three color component video signal

Luminance transition coding method for software motion video compression/decompression

NETSPEAK CORP

Method and apparatus for establishing communications from browser application

Method for designing object-oriented table driven state machines