HK205496A - Circuit for the dicrete cosine transform - Google Patents

Circuit for the dicrete cosine transform

Info

Publication number
HK205496A
HK205496A HK205496A HK205496A HK205496A HK 205496 A HK205496 A HK 205496A HK 205496 A HK205496 A HK 205496A HK 205496 A HK205496 A HK 205496A HK 205496 A HK205496 A HK 205496A
Authority
HK
Hong Kong
Prior art keywords
circuit
dicrete
cosine transform
line
column
Prior art date
Application number
HK205496A
Inventor
Herbert Schuetze
Original Assignee
Thomson Brandt Gmbh
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
Priority claimed from US06/914,732 external-priority patent/US4807033A/en
Priority claimed from DE19863642664 external-priority patent/DE3642664A1/en
Application filed by Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of HK205496A publication Critical patent/HK205496A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/52—Multiplying; Dividing
    • 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

Abstract

A circuit for the line-by-line or column-by-column transformation of digital video signals. <IMAGE>
HK205496A 1986-10-01 1996-11-14 Circuit for the dicrete cosine transform HK205496A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/914,732 US4807033A (en) 1985-10-02 1986-10-01 Method for correcting television signals
DE19863642664 DE3642664A1 (en) 1986-10-01 1986-12-13 Transformation circuit

Publications (1)

Publication Number Publication Date
HK205496A true HK205496A (en) 1996-11-22

Family

ID=25850324

Family Applications (1)

Application Number Title Priority Date Filing Date
HK205496A HK205496A (en) 1986-10-01 1996-11-14 Circuit for the dicrete cosine transform

Country Status (6)

Country Link
EP (1) EP0262555B1 (en)
JP (1) JP2583524B2 (en)
KR (1) KR910008454B1 (en)
AT (1) ATE130689T1 (en)
ES (1) ES2081798T3 (en)
HK (1) HK205496A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4113505A1 (en) * 1991-04-25 1992-10-29 Thomson Brandt Gmbh METHOD FOR IMAGE SIGNAL CODING

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662161A (en) * 1969-11-03 1972-05-09 Bell Telephone Labor Inc Global highly parallel fast fourier transform processor
JPS519347A (en) * 1974-07-12 1976-01-26 Shindengen Electric Mfg 2 jigenfuuriehenkansochi
US4189748A (en) * 1977-08-23 1980-02-19 Northrop Corporation Video bandwidth reduction system using a two-dimensional transformation, and an adaptive filter with error correction
US4293920A (en) * 1979-09-04 1981-10-06 Merola Pasquale A Two-dimensional transform processor
JPS57204966A (en) * 1981-06-12 1982-12-15 Hitachi Ltd Digital picture processing method
JPS60211543A (en) * 1984-04-05 1985-10-23 Nec Corp Coordinate converting system

Also Published As

Publication number Publication date
KR910008454B1 (en) 1991-10-15
EP0262555A2 (en) 1988-04-06
ES2081798T3 (en) 1996-03-16
JP2583524B2 (en) 1997-02-19
ATE130689T1 (en) 1995-12-15
JPS63107326A (en) 1988-05-12
EP0262555B1 (en) 1995-11-22
EP0262555A3 (en) 1990-01-31
KR880005514A (en) 1988-06-29

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)