[특허]Picture signal digital processing unit

Picture signal digital processing unit 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04N-005/92
출원번호	US-0283685 (1994-08-01)
우선권정보	JP-0400453 (1990-12-05); JP-0403744 (1990-12-19); JP-0079619 (1991-04-12)
발명자 / 주소	Oku Masuo (Kamakura JPX) Fujii Yukio (Yokohama JPX) Takahashi Masaru (Yokohama JPX) Ichige Kenji (Chigasaki JPX) Nishimura Keizo (Yokosuka JPX) Suga Atsuo (Kamagaya JPX) Higuchi Shigemitsu (Fujisawa
출원인 / 주소	Hitachi, Ltd. (Tokyo JPX 03)
인용정보	피인용 횟수 : 50 인용 특허 : 0

초록 ▼

A digital processing unit for converting a digital picture signal into data by blocks and for correction encoding a variable-length encoded signal. This digital processing unit includes a digital data compressing section for dividing a picture signal into a plurality of number of blocks, and compressingly outputting digital data of this picture signal based on a processing unit of one or a few blocks, a buffer section for sequentially storing the digital data, and an error correction encoding section for sequentially reading the digital data from this buffer section, and structuring an inner code for each inner block structured by this digital data and structuring an outer code for each predetermined unit of inner blocks, to thereby structure two-dimensional error correction code blocks, to output an error correction code signal. Further, the error correction encoding section has the length of the digital data of the picture signal included in the inner code set to be equal to or larger than a mean code length of predetermined compressed blocks.

대표청구항 ▼

A digital picture encoding apparatus for encoding a picture signal, said apparatus comprising: digital data compressing means for dividing a picture signal into blocks and for generating compressed picture data corresponding to said picture signal blocks, including orthogonal transformer means for generating frequency components of picture signal blocks of said picture signal, and variable-length encoding means for encoding said frequency components to provide variable-length compressed picture data; and error correction encoding means for (a) arranging compressed picture data from said digital data compressing means into two-dimensional arrays of error correction code blocks, each block including (1) compressed picture data having M word columns and L word rows, where M and L are integers, (2) an inner check code for each word row, and (3) an outer check code for each word column, and for (b) providing inner codes each composed of (1) a row of said compressed picture data arranged into said two-dimensional error correction code blocks, (2) said inner check code, (3) a synchronizing code at each head of a row of said error correction code blocks, and (4) an inner header code of information indicating a relationship between data of the main part of said inner code and a display position of said data on a display screen; wherein the M words forming a row of said two-dimensional array of error correction code blocks have a data length equal to or larger than a mean code length of said variable-length compressed picture data in at least one of said picture signal blocks.

이 특허를 인용한 특허 (50)

Hardiman James M., Adaptive video compression and decompression.
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Hardiman James M., Adaptive video compression using variable quantization.
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Hardiman James M., Adaptive video decompression.
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Kondo Tetsujiro,JPX ; Fujimori Yasuhiro ; Carrig James J. ; Ghosal Sugata, Apparatus and method for encoding and decoding data in a lossy transmission environment.
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Kondo Tetsujiro,JPX ; Carrig James J. ; Fujimori Yasuhiro ; Ghosal Sugata, Apparatus and method for mapping an image to blocks to provide for robust error recovery in a lossy transmission environment.
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Kondo Tetsujiro,JPX ; Fujimori Yasuhiro ; Carrig James J. ; Ghosal Sugata, Apparatus and method for partial buffering transmitted data to provide robust error recovery in a lossy transmission environment.
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Kondo Tetsujiro,JPX ; Carrig James J. ; Fujimori Yasuhiro ; Ghosal Sugata, Apparatus and method for providing robust error recovery for errors that occur in a lossy transmission environment.
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Kondo Tetsujiro,JPX ; Fujimori Yasuhiro ; Ghosal Sugata ; Carrig James J., Apparatus and method for recovery of data in a lossy transmission environment.
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Kondo Tetsujiro,JPX ; Carrig James J. ; Fujimori Yasuhiro ; Ghosal Sugata, Apparatus and method for recovery of lost/damaged data in a bitstream of data based on compatibility of adjacent blocks of data.
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Kondo Tetsujiro,JPX ; Carrig James J. ; Fujimori Yasuhiro ; Ghosal Sugata, Apparatus and method for recovery of quantization codes in a lossy transmission environment.
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Kondo, Tetsujiro; Carrig, James J.; Fujimori, Yasuhiro; Ghosal, Sugata, Apparatus and method for the recovery of compression constants in the encoded domain.
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Tetsujiro Kondo JP; James J. Carrig ; Yasuhiro Fujimori ; Sugata Ghosal, Apparatus and method for the recovery of compression constants in the encoded domain.
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Torikai Yuji,JPX ; Tanioka Masaaki,JPX ; Matoba Narihiro,JPX, Apparatus and method of image compression and decompression not requiring raster block and block raster transformation.
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Kondo Tetsujiro,JPX ; Fujimori Yasuhiro ; Ghosal Sugata ; Carrig James J., Classified adaptive error recovery method and apparatus.
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Kondo, Tetsujiro; Carrig, James J.; Fujimori, Yasuhiro; Carey, William Knox, Classified adaptive error recovery method and apparatus.
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Tetsujiro Kondo JP; James J. Carrig ; Yasuhiro Fujimori ; William Knox Carey, Classified adaptive error recovery method and apparatus.
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Kondo Tetsujiro,JPX ; Fujimori Yasuhiro ; Ghosal Sugata ; Carrig James J., Classified adaptive multiple processing system.
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Kondo Tetsujiro,JPX ; Carrig James J. ; Ohta Kohji,JPX ; Fujimori Yasuhiro ; Ghosal Sugata ; Watanabe Tsutomu,JPX, Classified adaptive spatio-temporal format conversion method and apparatus.
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Herath,Jeffrey Alan, Data compression system and method.
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Kondo, Tetsujiro; Fujimori, Yasuhiro; Carey, William Knox; Carrig, James J., Data transformation for explicit transmission of control information.
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Kondo,Tetsujiro; Fujimori,Yasuhiro; Carey,William Knox; Carrig,James J., Data transformation for explicit transmission of control information.
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Bandaru, M. Krishna; Siegel, Robert E., Digital media frame.
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Bandaru, M. Krishna; Siegel, Robert E., Digital media frame.
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Bandaru, M. Krishna; Siegel, Robert E., Digital media frame.
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Bandaru,M. Krishna; Siegel,Robert E., Digital media frame.
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Itoi Satoshi,JPX ; Araki Shigeru,JPX, Error control device.
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He, Duanfeng; Hunter, Kevin; Shellhammer, Steven J.; Kumar, Sundeep, Error correction in macro bar code symbols.
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Kato, Masao; Sasaki, Futoshi; Kobayashi, Ryuichi; Onuma, Nobuo; Mikami, Ruriko; Horiuchi, Akinori; Udagawa, Yoshiro; Takahashi, Kenji, Image supply device and control method thereof and printing system.
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Tetsujiro Kondo JP; James J. Carrig ; Yasuhiro Fujimori ; William Knox Carey, Method and apparatus for encoding of bitstreams using rotation.
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Kondo,Tetsujiro; Ghosal,Sugata; Fujimori,Yasuhiro; Carrig,James J.; Takahashi,Yasuaki; Nagano,Takahiro, Method and apparatus for error data recovery.
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Kondo, Tetsuiiro; Fujimori, Yasuhiro; Ghosal, Sugata; Carrig, James J., Method and apparatus for filter tap expansion.
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Kondo, Tetsujiro; Carrig, James J.; Fujimori, Yasuhiro; Carey, William Knox, Method and apparatus for past and future motion classification.
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Tetsujiro Kondo JP; Yasuhiro Fujimori ; Sugata Ghosal ; James J. Carrig, Method and apparatus for preprocessing for peripheral erroneous data.
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Kondo, Tetsujiro; Carrig, James J.; Fujimori, Yasuhiro; Carey, William Knox, Method and apparatus for recovery of encoded data using central value.
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Kondo,Tetsujiro; Carrig,James J.; Fujimori,Yasuhiro; Carey,William Knox, Method and apparatus for recovery of encoded data using central value.
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Kondo, Tetsujiro; Fujimori, Yasuhiro; Ghosal, Sugata; Carrig, James J., Method and apparatus for spatial class reduction.
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Kondo Tetsujiro,JPX ; Carrig James J. ; Ghosal Sugata ; Ohta Kohji,JPX ; Fujimori Yasuhiro ; Takahashi Yasuaki,JPX ; Nakaya Hideo,JPX, Method and apparatus for the recovery of compression constants in the encoded domain.
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Kondo, Tetsujiro; Carrig, James J.; Fujimori, Yasuhiro; Ghosal, Sugata, Method and apparatus for truncated decoding.
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Agarwal, Naveen; Lee, Victor; Bandaru, M. Krishna; Siegel, Robert E.; Mogal, Josh, Method and system for interfacing with a digital media frame network.
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Bandaru, M. Krishna; Siegel, Robert E.; Mogal, Josh; Agarwal, Naveen; Lee, Victor, Method and system for sharing images using a digital media frame.
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Kim,Hyun Cheol; Kim,Kyu Heon; Kim,Jin Woong; Seo,Doug Young, Method for transmitting and receiving variable length packets based on forward error correction (FEC) coding.
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Kondo, Tetsujiro; Fujimori, Yasuhiro; Ghosal, Sugata; Carrig, James J.; Watanabe, Tsutomu, Multiple processing system.
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Yamamoto Naoto,JPX, Picture coding apparatus.
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Tetsujiro Kondo JP; Yasuhiro Fujimori ; William Knox Carey ; James J. Carrig, Source code shuffling to provide for robust error recovery.
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Kondo Tetsujiro,JPX ; Carrig James J. ; Ghosal Sugata ; Ohta Kohji,JPX ; Fujimori Yasuhiro ; Takahashi Yasuaki,JPX ; Nakaya Hideo,JPX, Source coding to provide for robust error recovery.
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Kondo, Tetsujiro; Fujimori, Yasuhiro; Carrig, James J.; Ghosal, Sugata, Source coding to provide for robust error recovery during transmission losses.
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Kondo, Tetsujiro; Fujimori, Yasuhiro; Carrig, James J.; Ghosal, Sugata, Source coding to provide for robust error recovery during transmission losses.
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Kondo Tetsujiro,JPX ; Carrig James J. ; Fujimori Yasuhiro ; Ghosal Sugata, Source encoding using shuffling of data to provide robust error recovery in a burst error-environment.
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Kondo, Tetsujiro; Fujimori, Yasuhiro; Carey, William Knox; Carrig, James J., Time-varying randomization for data synchronization and implicit information transmission.
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Tetsujiro Kondo JP; Yasuhiro Fujimori ; William Knox Carey ; James J. Carrig, Time-varying randomization for data synchronization and implicit information transmission.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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Picture signal digital processing unit 원문보기

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Picture signal digital processing unit 원문보기

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