CN1826802A - 检测数据流中的微弱或无效信号的方法和系统 - Google Patents

检测数据流中的微弱或无效信号的方法和系统 Download PDF

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Publication number
CN1826802A
CN1826802A CNA2004800211990A CN200480021199A CN1826802A CN 1826802 A CN1826802 A CN 1826802A CN A2004800211990 A CNA2004800211990 A CN A2004800211990A CN 200480021199 A CN200480021199 A CN 200480021199A CN 1826802 A CN1826802 A CN 1826802A
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CN
China
Prior art keywords
detected
valid
compressed information
weak signal
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2004800211990A
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English (en)
Chinese (zh)
Inventor
李章焕
查尔斯·威廉·沃雷尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of CN1826802A publication Critical patent/CN1826802A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Image Analysis (AREA)
  • Communication Control (AREA)
CNA2004800211990A 2003-07-21 2004-03-25 检测数据流中的微弱或无效信号的方法和系统 Pending CN1826802A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48890803P 2003-07-21 2003-07-21
US60/488,908 2003-07-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201010181113A Division CN101815228A (zh) 2003-07-21 2004-03-25 检测数据流中的微弱或无效信号的方法和系统

Publications (1)

Publication Number Publication Date
CN1826802A true CN1826802A (zh) 2006-08-30

Family

ID=34193079

Family Applications (2)

Application Number Title Priority Date Filing Date
CNA2004800211990A Pending CN1826802A (zh) 2003-07-21 2004-03-25 检测数据流中的微弱或无效信号的方法和系统
CN201010181113A Pending CN101815228A (zh) 2003-07-21 2004-03-25 检测数据流中的微弱或无效信号的方法和系统

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201010181113A Pending CN101815228A (zh) 2003-07-21 2004-03-25 检测数据流中的微弱或无效信号的方法和系统

Country Status (9)

Country Link
US (1) US7783155B2 (https=)
EP (1) EP1647139B1 (https=)
JP (1) JP4682134B2 (https=)
KR (1) KR101065139B1 (https=)
CN (2) CN1826802A (https=)
BR (1) BRPI0412738A (https=)
DE (1) DE602004009581T2 (https=)
MY (1) MY141913A (https=)
WO (1) WO2005018230A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4358081B2 (ja) * 2004-03-31 2009-11-04 パナソニック株式会社 映像記録装置
EP1729529A1 (en) * 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Video signal loss detection
CN100458864C (zh) * 2006-04-14 2009-02-04 天津大学 提高微弱信号采集精度的方法与电路
WO2009028012A1 (en) * 2007-08-29 2009-03-05 Thomson Licensing Method for generating video data for trick play
CN102213603B (zh) * 2011-04-13 2013-10-16 北京航空航天大学 一种基于单片机的低频微弱信号检测仪
CN107820076B (zh) * 2017-12-01 2020-11-24 珠海亿智电子科技有限公司 一种模拟视频输入端口信号检测电路及方法
KR20240049567A (ko) * 2021-09-08 2024-04-16 엘지전자 주식회사 무선 전력 전송 시스템에서 불법 패킷의 처리 및 유효성 검증에 대한 방법 및 장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5565921A (en) * 1993-03-16 1996-10-15 Olympus Optical Co., Ltd. Motion-adaptive image signal processing system
US5621772A (en) * 1995-01-20 1997-04-15 Lsi Logic Corporation Hysteretic synchronization system for MPEG audio frame decoder
EP1148727A1 (en) * 2000-04-05 2001-10-24 THOMSON multimedia Method and device for decoding a digital video stream in a digital video system using dummy header insertion
EP1148729B1 (en) * 2000-04-05 2014-03-05 THOMSON multimedia Method and device for decoding a digital video stream in a digital video system using dummy header insertion
US6844943B2 (en) 2000-11-29 2005-01-18 Thomson Licensing Sa Method and apparatus for video recording from previous recorded video
US6931071B2 (en) * 2001-08-31 2005-08-16 Stmicroelectronics, Inc. Apparatus and method for synchronizing video and audio MPEG streams in a video playback device

Also Published As

Publication number Publication date
DE602004009581T2 (de) 2008-07-24
CN101815228A (zh) 2010-08-25
EP1647139A1 (en) 2006-04-19
US20060233244A1 (en) 2006-10-19
JP2006528866A (ja) 2006-12-21
US7783155B2 (en) 2010-08-24
WO2005018230A1 (en) 2005-02-24
BRPI0412738A (pt) 2006-09-26
DE602004009581D1 (de) 2007-11-29
MY141913A (en) 2010-07-30
KR101065139B1 (ko) 2011-09-16
KR20060030117A (ko) 2006-04-07
EP1647139B1 (en) 2007-10-17
JP4682134B2 (ja) 2011-05-11

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Open date: 20060830