Recent U.S. patents related to Discrete Cosine Transform:
6,381,405: Information recording apparatus
6,381,398: APPARATUS AND METHOD OF GENERATING BIT STREAM FOR INFORMATION RECORDING DISC STORAGE WHICH ENABLES SEAMLESS REPRODUCTION OF A PLURALITY OF PIECES OF IMAGE INFORMATION, AND RECORDING MEDIUM ON WHICH PROGRAM APPLIED TO THE GENERATING APPARATUS IS RECORDED
6,381,373: Apparatus and method for reducing quantization error in digital image signals
6,381,371: Method and apparatus for processing image files
6,381,370: Method and apparatus for image encoding
6,380,983: TV receiver with selectable signal processing systems
6,380,981: Frame synchronizer
6,380,975: Digital still video camera having voice data generation
6,378,101: Multiple program decoding for digital audio broadcasting and other applications
6,377,916: Multiband harmonic transform coder
6,377,709: Process for coding with region information
6,377,708: Image predictive coding method
6,377,628: System for maintaining datastream continuity in the presence of disrupted source data
6,377,627: Method and apparatus for decoding MPEG video data
6,377,309: Image processing apparatus and method for reproducing at least an image from a digital data sequence
6,377,294: Electronic photographing device
6,377,280: Edge enhanced image up-sampling algorithm using discrete wavelet transform
RE37,668: Image encoding/decoding device
6,374,280: Computationally efficient inverse discrete cosine transform method and apparatus
6,374,033: Signal processing apparatus and method
6,373,989: Iterated image transformation and decoding apparatus and method, and recording medium
6,373,960: Embedding watermarks into compressed video data
6,373,905: Decoding apparatus and decoding method
6,373,895: Video data compression with trial encoder
6,373,894: Method and apparatus for recovering quantized coefficients
6,373,891: System and method for image sequence processing
6,373,850: Stand alone routing switch and videoconferencing system using the stand alone routing switch
6,373,412: Fast JPEG huffman encoding and decoding
6,370,558: Long instruction word controlling plural independent processor operations
6,370,504: Speech recognition on MPEG/Audio encoded files
6,370,502: Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
6,370,281: Apparatus and method for detecting enlarging ratio or reducing ratio of image data
6,370,279: Block-based image processing method and apparatus therefor
6,370,258: Image processing apparatus and method
6,370,209: Process for sensing manipulations of digital information
6,370,195: Method and apparatus for detecting motion
6,370,192: Methods and apparatus for decoding different portions of a video image at different resolutions
6,369,855: Audio and video decoder circuit and system
6,369,852: Analytical system for moving picture regeneration
6,369,823: Picture processing apparatus and picture processing method
6,367,122: Hinge structure
6,366,937: System and method for performing a fast fourier transform using a matrix-vector multiply instruction
6,366,888: Technique for multi-rate coding of a signal containing information
6,366,705: Perceptual preprocessing techniques to reduce complexity of video coders
6,366,703: Image predictive decoding apparatus
6,366,617: Programmable filter for removing selected user data from an MPEG-2 bit stream
6,366,615: Moving picture coding method, moving picture decoding method, and apparatus therefor
6,366,614: Adaptive rate control for digital video compression
6,366,545: Reproducing and recording apparatus, decoding apparatus, recording apparatus, reproducing and recording method, decoding method and recording method
