Inventor

SUN HUIFANG

US68 patents

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

SUN HUIFANG

MITSUBISHI ELECTRIC RES LAB

Method and system for randomly accessing multiview videos with known prediction dependency

Extraction of high-level features from low-level features of multimedia content

Adaptable bitstream video delivery system

Method for summarizing a video using motion and color descriptors

Method for encoding and transcoding multiple video objects with variable temporal resolution

Methods of feature extraction of video sequences

Video transcoding using syntactic and semantic clues

Adaptable compressed bitstream transcoder

Object based bitstream transcoder

Methods of scene change detection and fade detection for indexing of video sequences

Motion compensated digital video signal processing

Method and system for synthesizing multiview videos

Method for randomly accessing multiview videos

Method and system for managing reference pictures in multiview videos

Networked surveillance and control system

Video transcoder with spatial resolution reduction

Descriptor for spatial distribution of motion activity in compressed video

Three-layer scaleable decoder and method of decoding

Method for ordering image spaces to search for object surfaces

Method for ordering image spaces to represent object shapes

Method for representing and comparing multimedia content according to rank

Method for segmenting 3D objects from compressed videos

System and method for adaptive field and frame video encoding using motion activity

Compressed bit-stream segment identification and descriptor

Video transcoding of scalable multi-layer videos to single layer video

System and method for classifying pixels in images

System and method for determining coding modes, DCT types and quantizers for video coding

Video transcoder with spatial resolution reduction and drift compensation

Transcoding compressed videos to reducing resolution videos

Adaptively processing a video based on content characteristics of frames in a video

Methods of scene fade detection for indexing of video sequences

Object boundary detection using a constrained viterbi search

RCA THOMSON LICENSING CORP

Apparatus for concealing errors in a digital video processing system

Error concealment apparatus for hdtv receivers

Error concealment apparatus for MPEG-like video data

Method and apparatus for scaling a compressed video bitstream

Error concealment apparatus for video signal processors

MITSUBISHI ELECTRIC INF TECH

Adaptive video coding method

Digital video decoder and method of decoding a digital video signal

Adaptive video coding method

Method and apparatus for down-converting a digital signal

MITSUBISHI ELECTRIC RES LABS I

Transcoder for scalable multi-layer constant quality video bitstreams

Video transcoder with drift compensation

Activity descriptor for video sequences

SARNOFF CORP

Apparatus and method for selecting a coding mode in a block-based coding system

Apparatus and method for optimizing the rate control in a coding system

THOMSON MULTIMEDIA SA

Temporal-spatial error concealment apparatus and method for video signal processors

System for processing data in variable segments and with variable data resolution

THOMSON LICENSING SA

System for encoding and decoding layered compressed video data

MITSUBISHI ELECTRIC RESEACH LA

Estimating rate-distortion characteristics of binary shape data