CN1294522C - 用于多标度零树熵编码的设备和方法 - Google Patents
用于多标度零树熵编码的设备和方法 Download PDFInfo
- Publication number
- CN1294522C CN1294522C CNB988085313A CN98808531A CN1294522C CN 1294522 C CN1294522 C CN 1294522C CN B988085313 A CNB988085313 A CN B988085313A CN 98808531 A CN98808531 A CN 98808531A CN 1294522 C CN1294522 C CN 1294522C
- Authority
- CN
- China
- Prior art keywords
- wavelet
- quantized
- coefficient
- wavelet coefficient
- zero
- 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
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/36—Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability
-
- 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
- H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
-
- 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
- H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
- H04N19/645—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission by grouping of coefficients into blocks after the 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
- H04N19/60—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
- H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
- H04N19/647—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission using significance based coding, e.g. Embedded Zerotrees of Wavelets [EZW] or Set Partitioning in Hierarchical Trees [SPIHT]
Abstract
Description
Claims (10)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5224597P | 1997-07-11 | 1997-07-11 | |
US60/052,245 | 1998-06-30 | ||
US09/107,544 | 1998-06-30 | ||
US09/107,544 US6269192B1 (en) | 1997-07-11 | 1998-06-30 | Apparatus and method for multiscale zerotree entropy encoding |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1268235A CN1268235A (zh) | 2000-09-27 |
CN1294522C true CN1294522C (zh) | 2007-01-10 |
Family
ID=26730377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB988085313A Expired - Lifetime CN1294522C (zh) | 1997-07-11 | 1998-07-13 | 用于多标度零树熵编码的设备和方法 |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0996926B1 (zh) |
JP (1) | JP2001524297A (zh) |
KR (1) | KR100540275B1 (zh) |
CN (1) | CN1294522C (zh) |
AU (1) | AU8387698A (zh) |
BR (1) | BR9812518A (zh) |
CA (1) | CA2294159A1 (zh) |
DE (1) | DE69841488D1 (zh) |
WO (1) | WO1999003059A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9909605D0 (en) * | 1999-04-26 | 1999-06-23 | Telemedia Systems Ltd | Networked delivery of media files to clients |
US6351491B1 (en) * | 1999-06-23 | 2002-02-26 | Sarnoff Corporation | Apparatus and method for optimizing the rate control for multiscale entropy encoding |
US6781717B1 (en) * | 1999-12-30 | 2004-08-24 | Texas Instruments Incorporated | Threshold screening using range reduction |
AUPQ982400A0 (en) * | 2000-09-01 | 2000-09-28 | Canon Kabushiki Kaisha | Entropy encoding and decoding |
US6757434B2 (en) * | 2002-11-12 | 2004-06-29 | Nokia Corporation | Region-of-interest tracking method and device for wavelet-based video coding |
FI114071B (fi) | 2003-01-13 | 2004-07-30 | Nokia Corp | Kuvien käsitteleminen rajoitetulla bittimäärällä |
US7565018B2 (en) * | 2005-08-12 | 2009-07-21 | Microsoft Corporation | Adaptive coding and decoding of wide-range coefficients |
JP6312312B2 (ja) * | 2014-04-15 | 2018-04-18 | 日本放送協会 | コンテキストモデル生成装置、符号化装置、および復号装置 |
CN104749532B (zh) * | 2015-03-20 | 2018-01-09 | 南京航空航天大学 | 一种航天器电源系统故障检测方法及装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5315670A (en) * | 1991-11-12 | 1994-05-24 | General Electric Company | Digital data compression system including zerotree coefficient coding |
GB2293733A (en) * | 1994-09-20 | 1996-04-03 | Ricoh Kk | Apparatus for image data compression using reversible embedded waveletts |
-
1998
- 1998-07-13 DE DE69841488T patent/DE69841488D1/de not_active Expired - Lifetime
- 1998-07-13 EP EP98934326A patent/EP0996926B1/en not_active Expired - Lifetime
- 1998-07-13 KR KR1020007000304A patent/KR100540275B1/ko not_active IP Right Cessation
- 1998-07-13 JP JP50888899A patent/JP2001524297A/ja not_active Ceased
- 1998-07-13 CA CA002294159A patent/CA2294159A1/en not_active Abandoned
- 1998-07-13 CN CNB988085313A patent/CN1294522C/zh not_active Expired - Lifetime
- 1998-07-13 BR BR9812518-4A patent/BR9812518A/pt not_active Application Discontinuation
- 1998-07-13 AU AU83876/98A patent/AU8387698A/en not_active Abandoned
- 1998-07-13 WO PCT/US1998/014160 patent/WO1999003059A1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5315670A (en) * | 1991-11-12 | 1994-05-24 | General Electric Company | Digital data compression system including zerotree coefficient coding |
GB2293733A (en) * | 1994-09-20 | 1996-04-03 | Ricoh Kk | Apparatus for image data compression using reversible embedded waveletts |
Also Published As
Publication number | Publication date |
---|---|
EP0996926A1 (en) | 2000-05-03 |
EP0996926A4 (en) | 2002-10-16 |
KR100540275B1 (ko) | 2006-01-10 |
CN1268235A (zh) | 2000-09-27 |
CA2294159A1 (en) | 1999-01-21 |
DE69841488D1 (de) | 2010-03-25 |
KR20010021741A (ko) | 2001-03-15 |
BR9812518A (pt) | 2000-08-01 |
AU8387698A (en) | 1999-02-08 |
EP0996926B1 (en) | 2010-02-03 |
WO1999003059A1 (en) | 1999-01-21 |
JP2001524297A (ja) | 2001-11-27 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: MEDIATEK INC. Free format text: FORMER OWNER: SARNOFF CORP.; APPLICANT Effective date: 20060407 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20060407 Address after: Taiwan, China Applicant after: MediaTek.Inc Co-applicant after: Sharp Corporation Address before: American New Jersey Applicant before: Sarnoff Corp. |
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ASS | Succession or assignment of patent right |
Owner name: MEDIATEK INC.; APPLICANT Free format text: FORMER OWNER: SARNOFF CORP.; APPLICANT Effective date: 20060609 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20060609 Address after: Taiwan, China Applicant after: MediaTek.Inc Co-applicant after: Sharp Corporation Address before: American New Jersey Applicant before: Sarnoff Corp. Co-applicant before: Sharp Corporation |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20070110 |
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CX01 | Expiry of patent term |