KR0141875B1 - 줄길이복호화기 - Google Patents
줄길이복호화기Info
- Publication number
- KR0141875B1 KR0141875B1 KR1019940032275A KR19940032275A KR0141875B1 KR 0141875 B1 KR0141875 B1 KR 0141875B1 KR 1019940032275 A KR1019940032275 A KR 1019940032275A KR 19940032275 A KR19940032275 A KR 19940032275A KR 0141875 B1 KR0141875 B1 KR 0141875B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- ram
- address
- length decoder
- line length
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/93—Run-length coding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/005—Statistical coding, e.g. Huffman, run length coding
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Abstract
Description
Claims (2)
- 입력되는 영상신호의 런과 레벨값을 처리하는 가변길이복호기와, 블록 시작신호의 일종으로, 생성되는 이전 어드레스를 리셋하기 위한 비스신호를 발생하는 비스신호 발생부, 카운터 제어신호를 발생하는 카운터 제어부등을 구비하고 압축된 영상신호를 줄길이로 복호화하는 줄길이복호화기에 있어서: 상기 가변길이복호기의 런값과 비스신호에 의해 레벨값의 어드레스를 발생시키는 어드레스 발생부; 상기 어드레스 발생부에서 출력되는 런값에 의한 어드레스에 레벨값을 기록, 읽음 및 제로-세팅하기 위한 램; 상기 어드레스 발생부와 상기 입력되는 레벨값에 의해 상기 램의 데이터를 기록하거나 읽거나 제로-세팅을 제어하는 시스템 제어부; 상기 램을 제로로 세팅할 때, 소정의 주소를 생성할 수 있도록 상기 시스템 제어부에 제어클럭을 전달하는 카운터를 포함함을 특징으로 하는 줄길이복호화기.
- 제1항에 있어서, 상기 램은 어드레스 발생부에 의해 설정된 런값에 의한 어드레스에 레벨값을 기록, 읽음, 제로세팅을 순차적으로 수행하는 제 1램, 제 2램, 제 3램을 포함함을 하는 줄길이복호화기.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940032275A KR0141875B1 (ko) | 1994-11-30 | 1994-11-30 | 줄길이복호화기 |
US08/564,549 US5706001A (en) | 1994-11-30 | 1995-11-29 | Run-length decoding apparatus for use in a video signal decoding system |
CN95117988A CN1126372C (zh) | 1994-11-30 | 1995-11-30 | 用于视频信号解码系统中的扫描宽度解码器 |
JP33578595A JPH08251586A (ja) | 1994-11-30 | 1995-11-30 | ランレングス復号化装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940032275A KR0141875B1 (ko) | 1994-11-30 | 1994-11-30 | 줄길이복호화기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960020510A KR960020510A (ko) | 1996-06-17 |
KR0141875B1 true KR0141875B1 (ko) | 1998-06-15 |
Family
ID=19399911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940032275A KR0141875B1 (ko) | 1994-11-30 | 1994-11-30 | 줄길이복호화기 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5706001A (ko) |
JP (1) | JPH08251586A (ko) |
KR (1) | KR0141875B1 (ko) |
CN (1) | CN1126372C (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0869680A3 (en) * | 1997-04-04 | 2000-07-26 | Samsung Electronics Co., Ltd. | Symbol decoding method and apparatus |
JP2001515685A (ja) * | 1997-12-30 | 2001-09-18 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 可変およびランレングス符号化データの受信 |
DE60144228D1 (de) * | 2000-06-02 | 2011-04-28 | Panasonic Corp | Verfahren und vorrichtung zur bildverarbeitung |
US6970509B2 (en) * | 2001-07-31 | 2005-11-29 | Wis Technologies, Inc. | Cell array and method of multiresolution motion estimation and compensation |
US7035332B2 (en) * | 2001-07-31 | 2006-04-25 | Wis Technologies, Inc. | DCT/IDCT with minimum multiplication |
US7184101B2 (en) * | 2001-07-31 | 2007-02-27 | Micronas Usa, Inc. | Address generation for video processing |
US7142251B2 (en) * | 2001-07-31 | 2006-11-28 | Micronas Usa, Inc. | Video input processor in multi-format video compression system |
US6981073B2 (en) * | 2001-07-31 | 2005-12-27 | Wis Technologies, Inc. | Multiple channel data bus control for video processing |
US7085320B2 (en) * | 2001-07-31 | 2006-08-01 | Wis Technologies, Inc. | Multiple format video compression |
US6996702B2 (en) * | 2001-07-31 | 2006-02-07 | Wis Technologies, Inc. | Processing unit with cross-coupled ALUs/accumulators and input data feedback structure including constant generator and bypass to reduce memory contention |
US7219173B2 (en) * | 2001-07-31 | 2007-05-15 | Micronas Usa, Inc. | System for video processing control and scheduling wherein commands are unaffected by signal interrupts and schedule commands are transmitted at precise time |
US20050207663A1 (en) * | 2001-07-31 | 2005-09-22 | Weimin Zeng | Searching method and system for best matching motion vector |
CN100338600C (zh) * | 2003-01-03 | 2007-09-19 | 宇东科技股份有限公司 | 读取传感器的方法 |
JP2004334295A (ja) * | 2003-04-30 | 2004-11-25 | Yamaha Corp | 記憶装置 |
US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
US7262718B2 (en) * | 2004-03-30 | 2007-08-28 | Matsushita Electric Industrial Co., Ltd. | Variable length decoder and variable length decoding method |
US6933866B1 (en) | 2004-09-14 | 2005-08-23 | Avid Technology, Inc. | Variable data rate receiver |
US8599925B2 (en) | 2005-08-12 | 2013-12-03 | Microsoft Corporation | Efficient coding and decoding of transform blocks |
US7774205B2 (en) * | 2007-06-15 | 2010-08-10 | Microsoft Corporation | Coding of sparse digital media spectral data |
DE102018129774A1 (de) * | 2018-11-26 | 2020-05-28 | Beckhoff Automation Gmbh | Verfahren zum Betreiben eines Netzwerkteilnehmers und Netzwerkteilnehmer |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5242017A (en) * | 1975-09-29 | 1977-04-01 | Fuji Xerox Co Ltd | Run length code processing method for facsimile signal |
US4152697A (en) * | 1976-08-11 | 1979-05-01 | Xerox Corporation | Parallel run-length decoder |
JPS53134340A (en) * | 1977-04-28 | 1978-11-22 | Ricoh Co Ltd | Run length coding system |
US4499498A (en) * | 1982-01-14 | 1985-02-12 | Nippon Electric Co., Ltd. | Run length decoding apparatus |
JPS5937773A (ja) * | 1982-08-26 | 1984-03-01 | Canon Inc | ランレングス符号復号装置 |
GB8313331D0 (en) * | 1983-05-14 | 1983-06-22 | Int Computers Ltd | Decoding run-length encoded data |
US4590521A (en) * | 1983-08-19 | 1986-05-20 | Advanced Micro Devices, Inc. | Picture element generator for facsimile receiver |
US4675652A (en) * | 1986-04-11 | 1987-06-23 | Quantum Corporation | Integrated encoder decoder for variable length, zero run length limited codes |
GB2260458B (en) * | 1991-10-04 | 1995-03-22 | Sony Broadcast & Communication | Data decoder |
KR0162197B1 (ko) * | 1992-05-30 | 1998-12-15 | 강진구 | 영상데이타의 가변장부호와/복호화방법 및 장치 |
US5359420A (en) * | 1992-08-22 | 1994-10-25 | Goldstar Co., Ltd. | Macro block address processor for digital compressed video signal decoder |
-
1994
- 1994-11-30 KR KR1019940032275A patent/KR0141875B1/ko not_active IP Right Cessation
-
1995
- 1995-11-29 US US08/564,549 patent/US5706001A/en not_active Expired - Lifetime
- 1995-11-30 JP JP33578595A patent/JPH08251586A/ja active Pending
- 1995-11-30 CN CN95117988A patent/CN1126372C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH08251586A (ja) | 1996-09-27 |
KR960020510A (ko) | 1996-06-17 |
CN1126372C (zh) | 2003-10-29 |
CN1138803A (zh) | 1996-12-25 |
US5706001A (en) | 1998-01-06 |
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