WO2009100034A3 - Methods for fast and memory efficient implementation of transforms - Google Patents
Methods for fast and memory efficient implementation of transforms Download PDFInfo
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- WO2009100034A3 WO2009100034A3 PCT/US2009/032890 US2009032890W WO2009100034A3 WO 2009100034 A3 WO2009100034 A3 WO 2009100034A3 US 2009032890 W US2009032890 W US 2009032890W WO 2009100034 A3 WO2009100034 A3 WO 2009100034A3
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- fast
- transforms
- methods
- efficient implementation
- memory efficient
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- 230000003044 adaptive effect Effects 0.000 abstract 3
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- 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
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- 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
- G06F17/145—Square transforms, e.g. Hadamard, Walsh, Haar, Hough, Slant transforms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/10—Image enhancement or restoration by non-spatial domain filtering
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- G06T5/75—
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- 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
- H04N19/103—Selection of coding mode or of prediction mode
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- H—ELECTRICITY
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- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
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- 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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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- 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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- H04N19/136—Incoming video signal characteristics or properties
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- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
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- H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
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- 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
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- 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
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- 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
- H04N19/649—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding the transform being applied to non rectangular image segments
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- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
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- G06T2207/20021—Dividing image into blocks, subimages or windows
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- Mathematical Physics (AREA)
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- Computational Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Algebra (AREA)
- Discrete Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
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Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200980103959.5A CN102378978B (en) | 2008-02-05 | 2009-02-02 | The method effectively realized with storage fast of conversion |
EP09708583.1A EP2240869B1 (en) | 2008-02-05 | 2009-02-02 | Methods for fast and memory efficient implementation of transforms |
JP2010545259A JP5517954B2 (en) | 2008-02-05 | 2009-02-02 | Method for fast and memory efficient implementation of conversion |
KR1020107017926A KR101137753B1 (en) | 2008-02-05 | 2009-02-02 | Methods for fast and memory efficient implementation of transforms |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US2645308P | 2008-02-05 | 2008-02-05 | |
US61/026,453 | 2008-02-05 | ||
US12/239,195 US8837579B2 (en) | 2008-02-05 | 2008-09-26 | Methods for fast and memory efficient implementation of transforms |
US12/239,195 | 2008-09-26 |
Publications (2)
Publication Number | Publication Date |
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WO2009100034A2 WO2009100034A2 (en) | 2009-08-13 |
WO2009100034A3 true WO2009100034A3 (en) | 2012-11-01 |
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PCT/US2009/032888 WO2009100032A1 (en) | 2008-02-05 | 2009-02-02 | Noise and/or flicker reduction in video sequences using spatial and temporal processing |
PCT/US2009/032890 WO2009100034A2 (en) | 2008-02-05 | 2009-02-02 | Methods for fast and memory efficient implementation of transforms |
Family Applications Before (1)
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PCT/US2009/032888 WO2009100032A1 (en) | 2008-02-05 | 2009-02-02 | Noise and/or flicker reduction in video sequences using spatial and temporal processing |
Country Status (6)
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US (2) | US8731062B2 (en) |
EP (2) | EP2243298B1 (en) |
JP (3) | JP5517954B2 (en) |
KR (2) | KR101291869B1 (en) |
CN (2) | CN101933330B (en) |
WO (2) | WO2009100032A1 (en) |
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KR101682147B1 (en) | 2010-04-05 | 2016-12-05 | 삼성전자주식회사 | Method and apparatus for interpolation based on transform and inverse transform |
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CN106028014B (en) * | 2016-05-27 | 2017-12-08 | 京东方科技集团股份有限公司 | A kind of method and apparatus for correcting video flashes |
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- 2008-09-26 US US12/239,195 patent/US8837579B2/en active Active
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