Inventor

CHEN WEI-GE

US114 patents

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

CHEN WEI-GE

MICROSOFT CORP

Bitstream syntax for multi-process audio decoding

Multi-channel audio encoding and decoding with multi-channel transform selection

Quality improvement techniques in an audio encoder

Quality and rate control strategy for digital audio

Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands

Entrophy code mode switching for frequency-domain audio coding

Multi-level run length coding for frequency-domain audio coding

Image compression and affine transformation for image motion compensation

Transform coding of dense motion vector fields for frame and object based video coding applications

Video coding using adaptive coding of block parameters for coded/uncoded blocks

Transparent block skipping in object-based video coding systems

Method and system for unrestricted motion estimation for video

Low complexity decoder for complex transform coding of multi-channel sound

Quality improvement techniques in an audio encoder

Complex-transform channel coding with extended-band frequency coding

Flexible frequency and time partitioning in perceptual transform coding of audio

Reordering coefficients for waveform coding or decoding

Prediction of spectral coefficients in waveform coding and decoding

Frequency segmentation to obtain bands for efficient coding of digital media

Modification of codewords in dictionary used for efficient coding of digital media spectral data

Coding and decoding scale factor information

Adaptive window-size selection in transform coding

Efficient coding of digital media spectral data using wide-sense perceptual similarity

Multi-pass variable bitrate media encoding

Quantization and inverse quantization for audio

Parametric compression/decompression modes for quantization matrices for digital audio

Code book construction for variable to variable length entropy encoding

Variable to variable length entropy encoding

Method for generating sprites for object-based coding sytems using masks and rounding average

Overlapped motion compensation for object coding

Separate shape and texture coding of transparency data for video coding applications

Sprite coding

Representation and encoding of general arbitrary shapes

Transformation block optimization method

Multi-channel audio encoding/decoding with parametric compression/decompression and weight factors

Multi-channel audio encoding and decoding with different window configurations

Entropy coding using escape codes to switch between plural code tables

Adaptive vector Huffman coding and decoding based on a sum of values of audio data symbols

Mixed lossless audio compression

Accounting for non-monotonicity of quality as a function of quantization in quality and rate control for digital audio

Filtering of control parameters in quality and rate control for digital audio

Quantization matrices using normalized-block pattern of digital audio

Sub-band voice codec with multi-stage codebooks and redundant coding

Quantization matrices for jointly coded channels of audio

Techniques for measurement of perceptual audio quality

Precompression extrapolation method

CHEN WEI-GE

Quality improvement techniques in an audio encoder

THUMPUDI NAVEEN

Multi-channel audio encoding and decoding

KOISHIDA KAZUHITO

Bitstream syntax for multi-process audio decoding

MEHROTRA SANJEEV

Complex cross-correlation parameters for multi-channel audio