DE69726042D1 - Abwärtsabtastung über schnell-DCT-Domänen und inverser Bewegungsausgleich - Google Patents

Abwärtsabtastung über schnell-DCT-Domänen und inverser Bewegungsausgleich

Info

Publication number
DE69726042D1
DE69726042D1 DE69726042T DE69726042T DE69726042D1 DE 69726042 D1 DE69726042 D1 DE 69726042D1 DE 69726042 T DE69726042 T DE 69726042T DE 69726042 T DE69726042 T DE 69726042T DE 69726042 D1 DE69726042 D1 DE 69726042D1
Authority
DE
Germany
Prior art keywords
downsampling
motion compensation
inverse motion
over fast
fast dct
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 - Lifetime
Application number
DE69726042T
Other languages
English (en)
Other versions
DE69726042T2 (de
Inventor
Neri Merhav
Vasudev Bhaskaran
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69726042D1 publication Critical patent/DE69726042D1/de
Application granted granted Critical
Publication of DE69726042T2 publication Critical patent/DE69726042T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformation in the plane of the image
    • G06T3/40—Scaling the whole image or part thereof
    • G06T3/4084—Transform-based scaling, e.g. FFT domain scaling
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
DE69726042T 1996-03-06 1997-03-06 Abwärtsabtastung über schnell-DCT-Domänen und inverser Bewegungsausgleich Expired - Lifetime DE69726042T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US611922 1996-03-06
US08/611,922 US5708732A (en) 1996-03-06 1996-03-06 Fast DCT domain downsampling and inverse motion compensation

Publications (2)

Publication Number Publication Date
DE69726042D1 true DE69726042D1 (de) 2003-12-18
DE69726042T2 DE69726042T2 (de) 2004-06-03

Family

ID=24450949

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69722060T Expired - Lifetime DE69722060T2 (de) 1996-03-06 1997-03-06 Inverser Bewegungsausgleich von schneller DCT
DE69726042T Expired - Lifetime DE69726042T2 (de) 1996-03-06 1997-03-06 Abwärtsabtastung über schnell-DCT-Domänen und inverser Bewegungsausgleich

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69722060T Expired - Lifetime DE69722060T2 (de) 1996-03-06 1997-03-06 Inverser Bewegungsausgleich von schneller DCT

Country Status (4)

Country Link
US (1) US5708732A (de)
EP (2) EP0798927B1 (de)
JP (2) JP4006047B2 (de)
DE (2) DE69722060T2 (de)

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Also Published As

Publication number Publication date
EP0798927A2 (de) 1997-10-01
EP0794674A2 (de) 1997-09-10
EP0798927A3 (de) 1998-04-22
US5708732A (en) 1998-01-13
JPH09331532A (ja) 1997-12-22
EP0798927B1 (de) 2003-11-12
JP4996347B2 (ja) 2012-08-08
DE69722060D1 (de) 2003-06-26
EP0794674A3 (de) 1998-04-22
DE69726042T2 (de) 2004-06-03
JP2007282266A (ja) 2007-10-25
EP0794674B1 (de) 2003-05-21
DE69722060T2 (de) 2004-03-18
JP4006047B2 (ja) 2007-11-14

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Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE