AU2001273587A1 - Fast efficient computation of the discrete cosine transform (dct) of digital video data - Google Patents

Fast efficient computation of the discrete cosine transform (dct) of digital video data

Info

Publication number
AU2001273587A1
AU2001273587A1 AU2001273587A AU7358701A AU2001273587A1 AU 2001273587 A1 AU2001273587 A1 AU 2001273587A1 AU 2001273587 A AU2001273587 A AU 2001273587A AU 7358701 A AU7358701 A AU 7358701A AU 2001273587 A1 AU2001273587 A1 AU 2001273587A1
Authority
AU
Australia
Prior art keywords
dct
video data
digital video
discrete cosine
cosine transform
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.)
Abandoned
Application number
AU2001273587A
Inventor
Kim Jongil
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.)
MEDIA EXCEL Inc
Original Assignee
MEDIA EXCEL Inc
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 MEDIA EXCEL Inc filed Critical MEDIA EXCEL Inc
Publication of AU2001273587A1 publication Critical patent/AU2001273587A1/en
Abandoned legal-status Critical Current

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
    • 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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/60—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
AU2001273587A 2001-06-15 2001-06-15 Fast efficient computation of the discrete cosine transform (dct) of digital video data Abandoned AU2001273587A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2001/040999 WO2002003710A1 (en) 2001-06-15 2001-06-15 Fast efficient computation of the discrete cosine transform (dct) of digital video data

Publications (1)

Publication Number Publication Date
AU2001273587A1 true AU2001273587A1 (en) 2002-01-14

Family

ID=21742941

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001273587A Abandoned AU2001273587A1 (en) 2001-06-15 2001-06-15 Fast efficient computation of the discrete cosine transform (dct) of digital video data

Country Status (2)

Country Link
AU (1) AU2001273587A1 (en)
WO (1) WO2002003710A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2582424B1 (en) * 1985-05-22 1989-06-30 Guichard Jacques CIRCUIT OF FAST CALCULATION OF THE TRANSFORMED IN COSINUS, DIRECT OR REVERSE, OF A DISCRETE SIGNAL
JP3323950B2 (en) * 1992-03-17 2002-09-09 サン・マイクロシステムズ・インコーポレーテッド Method of performing IDCT in a digital image processing system and IDCT processor therefor

Also Published As

Publication number Publication date
WO2002003710A1 (en) 2002-01-10

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