FR2795278B1 - Procede de compression d'images, notamment de type mpeg2 - Google Patents

Procede de compression d'images, notamment de type mpeg2

Info

Publication number
FR2795278B1
FR2795278B1 FR9907715A FR9907715A FR2795278B1 FR 2795278 B1 FR2795278 B1 FR 2795278B1 FR 9907715 A FR9907715 A FR 9907715A FR 9907715 A FR9907715 A FR 9907715A FR 2795278 B1 FR2795278 B1 FR 2795278B1
Authority
FR
France
Prior art keywords
image compression
compression process
mpeg2 type
mpeg2
type
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 - Fee Related
Application number
FR9907715A
Other languages
English (en)
Other versions
FR2795278A1 (fr
Inventor
Pierre Ruellou
Dominique Thoreau
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.)
Technicolor SA
Original Assignee
Thomson Multimedia SA
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 Thomson Multimedia SA filed Critical Thomson Multimedia SA
Priority to FR9907715A priority Critical patent/FR2795278B1/fr
Priority to EP00401671A priority patent/EP1061750A3/fr
Priority to JP2000180146A priority patent/JP4806483B2/ja
Priority to US09/595,738 priority patent/US6661926B1/en
Priority to CNB001096419A priority patent/CN1155255C/zh
Publication of FR2795278A1 publication Critical patent/FR2795278A1/fr
Application granted granted Critical
Publication of FR2795278B1 publication Critical patent/FR2795278B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/12—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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/169—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
    • H04N19/17—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/169—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
    • H04N19/17—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
    • 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
    • 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
    • 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
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
FR9907715A 1999-06-18 1999-06-18 Procede de compression d'images, notamment de type mpeg2 Expired - Fee Related FR2795278B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9907715A FR2795278B1 (fr) 1999-06-18 1999-06-18 Procede de compression d'images, notamment de type mpeg2
EP00401671A EP1061750A3 (fr) 1999-06-18 2000-06-14 Procédé de compression d'images, en particulier de type MPEG2
JP2000180146A JP4806483B2 (ja) 1999-06-18 2000-06-15 画像圧縮方法
US09/595,738 US6661926B1 (en) 1999-06-18 2000-06-16 Picture compression process, especially of the MPEG2 type
CNB001096419A CN1155255C (zh) 1999-06-18 2000-06-19 图像压缩处理方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9907715A FR2795278B1 (fr) 1999-06-18 1999-06-18 Procede de compression d'images, notamment de type mpeg2

Publications (2)

Publication Number Publication Date
FR2795278A1 FR2795278A1 (fr) 2000-12-22
FR2795278B1 true FR2795278B1 (fr) 2001-07-20

Family

ID=9546959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9907715A Expired - Fee Related FR2795278B1 (fr) 1999-06-18 1999-06-18 Procede de compression d'images, notamment de type mpeg2

Country Status (1)

Country Link
FR (1) FR2795278B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592302A (en) * 1992-03-23 1997-01-07 Canon Kabushiki Kaisha Coding method for coding pixel blocks and apparatus therefor
US5559722A (en) * 1993-11-24 1996-09-24 Intel Corporation Process, apparatus and system for transforming signals using pseudo-SIMD processing
JPH0846971A (ja) * 1994-07-29 1996-02-16 Sharp Corp 動画像符号化装置
US5737537A (en) * 1995-09-29 1998-04-07 Intel Corporation Two-measure block classification scheme for encoding video images
US5771316A (en) * 1995-12-26 1998-06-23 C-Cube Microsystems Fade detection
JP3633204B2 (ja) * 1997-05-14 2005-03-30 ソニー株式会社 信号符号化装置、信号符号化方法、信号記録媒体及び信号伝送方法

Also Published As

Publication number Publication date
FR2795278A1 (fr) 2000-12-22

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Legal Events

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Effective date: 20110228