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FR2701623B1 - Method for recording images at a reduced rate and device for implementing it. - Google Patents

Method for recording images at a reduced rate and device for implementing it.

Info

Publication number
FR2701623B1
FR2701623B1 FR9301607A FR9301607A FR2701623B1 FR 2701623 B1 FR2701623 B1 FR 2701623B1 FR 9301607 A FR9301607 A FR 9301607A FR 9301607 A FR9301607 A FR 9301607A FR 2701623 B1 FR2701623 B1 FR 2701623B1
Authority
FR
France
Prior art keywords
implementing
reduced rate
recording images
images
recording
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.)
Expired - Fee Related
Application number
FR9301607A
Other languages
French (fr)
Other versions
FR2701623A1 (en
Inventor
Jean-Yves Aubie
Francois Bourdon
Patrick Dumenil
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 CSF SA filed Critical Thomson CSF SA
Priority to FR9301607A priority Critical patent/FR2701623B1/en
Priority to PCT/FR1994/000112 priority patent/WO1994018794A1/en
Priority to EP94905757A priority patent/EP0685136A1/en
Priority to JP6517706A priority patent/JPH08506459A/en
Priority to SG1996007109A priority patent/SG65580A1/en
Publication of FR2701623A1 publication Critical patent/FR2701623A1/en
Application granted granted Critical
Publication of FR2701623B1 publication Critical patent/FR2701623B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1879—Direct read-after-write methods
    • 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • 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
    • 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
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • H04N5/9262—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction using predictive coding
    • 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
    • H04N5/94—Signal drop-out compensation
    • H04N5/945—Signal drop-out compensation for signals recorded by pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
FR9301607A 1993-02-12 1993-02-12 Method for recording images at a reduced rate and device for implementing it. Expired - Fee Related FR2701623B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9301607A FR2701623B1 (en) 1993-02-12 1993-02-12 Method for recording images at a reduced rate and device for implementing it.
PCT/FR1994/000112 WO1994018794A1 (en) 1993-02-12 1994-01-28 Reduced throughput image recording method and device therefor
EP94905757A EP0685136A1 (en) 1993-02-12 1994-01-28 Reduced throughput image recording method and device therefor
JP6517706A JPH08506459A (en) 1993-02-12 1994-01-28 Image data compression recording method and apparatus for implementing the same
SG1996007109A SG65580A1 (en) 1993-02-12 1994-01-28 Method of recording images at reduced data rate and device for implementing it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9301607A FR2701623B1 (en) 1993-02-12 1993-02-12 Method for recording images at a reduced rate and device for implementing it.

Publications (2)

Publication Number Publication Date
FR2701623A1 FR2701623A1 (en) 1994-08-19
FR2701623B1 true FR2701623B1 (en) 1995-11-17

Family

ID=9444008

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9301607A Expired - Fee Related FR2701623B1 (en) 1993-02-12 1993-02-12 Method for recording images at a reduced rate and device for implementing it.

Country Status (5)

Country Link
EP (1) EP0685136A1 (en)
JP (1) JPH08506459A (en)
FR (1) FR2701623B1 (en)
SG (1) SG65580A1 (en)
WO (1) WO1994018794A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5763978A (en) * 1980-10-06 1982-04-17 Nec Corp Transmitter of picture signal
JPS60173984A (en) * 1984-02-20 1985-09-07 Fujitsu Ltd Code transmission error correction method
FR2660138B1 (en) * 1990-03-26 1992-06-12 France Telecom Cnet DEVICE FOR CODING / DECODING IMAGE SIGNALS.
JPH04358486A (en) * 1991-06-04 1992-12-11 Toshiba Corp High efficiency code signal processing unit
JP2699703B2 (en) * 1991-07-31 1998-01-19 松下電器産業株式会社 Motion compensation prediction method and image signal encoding method using the same

Also Published As

Publication number Publication date
SG65580A1 (en) 1999-06-22
EP0685136A1 (en) 1995-12-06
JPH08506459A (en) 1996-07-09
FR2701623A1 (en) 1994-08-19
WO1994018794A1 (en) 1994-08-18

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Legal Events

Date Code Title Description
ST Notification of lapse