FR2680259A1 - Appareil et procede de compression d'image. - Google Patents

Appareil et procede de compression d'image. Download PDF

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Publication number
FR2680259A1
FR2680259A1 FR9112450A FR9112450A FR2680259A1 FR 2680259 A1 FR2680259 A1 FR 2680259A1 FR 9112450 A FR9112450 A FR 9112450A FR 9112450 A FR9112450 A FR 9112450A FR 2680259 A1 FR2680259 A1 FR 2680259A1
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FR
France
Prior art keywords
sep
pixels
transformation
vertical
transformed
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.)
Granted
Application number
FR9112450A
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English (en)
French (fr)
Other versions
FR2680259B1 (enExample
Inventor
Steven M Blonstein
James D Allen
Martin P Boliek
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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.)
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Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to FR9112450A priority Critical patent/FR2680259A1/fr
Publication of FR2680259A1 publication Critical patent/FR2680259A1/fr
Application granted granted Critical
Publication of FR2680259B1 publication Critical patent/FR2680259B1/fr
Granted legal-status Critical Current

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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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR9112450A 1991-10-09 1991-10-09 Appareil et procede de compression d'image. Granted FR2680259A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9112450A FR2680259A1 (fr) 1991-10-09 1991-10-09 Appareil et procede de compression d'image.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9112450A FR2680259A1 (fr) 1991-10-09 1991-10-09 Appareil et procede de compression d'image.

Publications (2)

Publication Number Publication Date
FR2680259A1 true FR2680259A1 (fr) 1993-02-12
FR2680259B1 FR2680259B1 (enExample) 1997-02-07

Family

ID=9417759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9112450A Granted FR2680259A1 (fr) 1991-10-09 1991-10-09 Appareil et procede de compression d'image.

Country Status (1)

Country Link
FR (1) FR2680259A1 (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0412252A2 (en) * 1989-07-13 1991-02-13 ALCATEL ITALIA Società per Azioni System and circuit for the calculation of a bidimensional discrete transform

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0412252A2 (en) * 1989-07-13 1991-02-13 ALCATEL ITALIA Società per Azioni System and circuit for the calculation of a bidimensional discrete transform

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS. vol. 36, no. 4, Avril 1989, NEW YORK US pages 610 - 617; MING-TING SUN ET AL.: 'vlsi implementation of a 16x16 discrete cosine transform' *

Also Published As

Publication number Publication date
FR2680259B1 (enExample) 1997-02-07

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