GB9720490D0 - Buffer data control circuit and method in image compression system using wavelet system using wavelet transform - Google Patents

Buffer data control circuit and method in image compression system using wavelet system using wavelet transform

Info

Publication number
GB9720490D0
GB9720490D0 GBGB9720490.3A GB9720490A GB9720490D0 GB 9720490 D0 GB9720490 D0 GB 9720490D0 GB 9720490 A GB9720490 A GB 9720490A GB 9720490 D0 GB9720490 D0 GB 9720490D0
Authority
GB
United Kingdom
Prior art keywords
wavelet
control circuit
data control
image compression
buffer data
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.)
Granted
Application number
GBGB9720490.3A
Other versions
GB2329782B (en
GB2329782A (en
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of GB9720490D0 publication Critical patent/GB9720490D0/en
Publication of GB2329782A publication Critical patent/GB2329782A/en
Application granted granted Critical
Publication of GB2329782B publication Critical patent/GB2329782B/en
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
    • H04N19/60—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
    • H04N19/134—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
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/134—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
GB9720490A 1996-01-06 1997-09-26 Buffer data control in a wavelet transform image compression system Expired - Fee Related GB2329782B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019960000158A KR0185646B1 (en) 1996-01-06 1996-01-06 Image compression data quantity control circuit and method of image compression apparatus
DE19743203A DE19743203C2 (en) 1996-01-06 1997-09-30 Buffer data control method and circuitry in an image compression system

Publications (3)

Publication Number Publication Date
GB9720490D0 true GB9720490D0 (en) 1997-11-26
GB2329782A GB2329782A (en) 1999-03-31
GB2329782B GB2329782B (en) 1999-12-01

Family

ID=26040456

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9720490A Expired - Fee Related GB2329782B (en) 1996-01-06 1997-09-26 Buffer data control in a wavelet transform image compression system

Country Status (3)

Country Link
KR (1) KR0185646B1 (en)
DE (1) DE19743203C2 (en)
GB (1) GB2329782B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU768731B2 (en) * 2000-12-14 2004-01-08 Canon Kabushiki Kaisha Matching a compressed image to available memory capacity
TW567728B (en) * 2001-02-20 2003-12-21 Sanyo Electric Co Method and apparatus for decoding graphic image
KR100621581B1 (en) * 2004-07-15 2006-09-13 삼성전자주식회사 Method for pre-decoding, decoding bit-stream including base-layer, and apparatus thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0638198A (en) * 1992-05-19 1994-02-10 Sony Corp Picture signal transmitter and picture signal transmission method
US5764373A (en) * 1993-03-16 1998-06-09 Mitsubishi Denki Kabushiki Kaisha Image data compression-expansion circuit
JPH07240844A (en) * 1993-03-19 1995-09-12 Mitsubishi Electric Corp Image data processing unit and image data processing method
US5546477A (en) * 1993-03-30 1996-08-13 Klics, Inc. Data compression and decompression
GB2281465B (en) * 1993-08-27 1997-06-04 Sony Uk Ltd Image data compression
IL107658A0 (en) * 1993-11-18 1994-07-31 State Of Israel Ministy Of Def A system for compaction and reconstruction of wavelet data
CN1108700C (en) * 1995-10-18 2003-05-14 皇家菲利浦电子有限公司 Region-based texture coding and decoding method, and corresponding system
US6160846A (en) * 1995-10-25 2000-12-12 Sarnoff Corporation Apparatus and method for optimizing the rate control in a coding system

Also Published As

Publication number Publication date
KR970060956A (en) 1997-08-12
DE19743203A1 (en) 1999-04-22
KR0185646B1 (en) 1999-05-01
DE19743203C2 (en) 1999-07-29
GB2329782B (en) 1999-12-01
GB2329782A (en) 1999-03-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080926

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: RESTORATION ALLOWED

Effective date: 20090930

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100926