JP6345961B2 - 画像復号化装置および画像復号化方法 - Google Patents
画像復号化装置および画像復号化方法 Download PDFInfo
- Publication number
- JP6345961B2 JP6345961B2 JP2014068542A JP2014068542A JP6345961B2 JP 6345961 B2 JP6345961 B2 JP 6345961B2 JP 2014068542 A JP2014068542 A JP 2014068542A JP 2014068542 A JP2014068542 A JP 2014068542A JP 6345961 B2 JP6345961 B2 JP 6345961B2
- Authority
- JP
- Japan
- Prior art keywords
- roi
- mask
- image data
- image
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 118
- 238000000354 decomposition reaction Methods 0.000 claims description 122
- 238000012545 processing Methods 0.000 claims description 51
- 238000013139 quantization Methods 0.000 claims description 33
- 238000004458 analytical method Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000011161 development Methods 0.000 description 7
- 238000012805 post-processing Methods 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000007781 pre-processing Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000013341 scale-up Methods 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
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
- H04N19/63—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]
-
- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- 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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/167—Position within a video image, e.g. region of interest [ROI]
-
- 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
- H04N19/60—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
- H04N19/124—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
-
- 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
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014068542A JP6345961B2 (ja) | 2014-03-28 | 2014-03-28 | 画像復号化装置および画像復号化方法 |
| PCT/JP2015/057133 WO2015146586A1 (ja) | 2014-03-28 | 2015-03-11 | 画像復号化装置および画像復号化方法 |
| US15/276,512 US9860566B2 (en) | 2014-03-28 | 2016-09-26 | Image decoding apparatus and image decoding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014068542A JP6345961B2 (ja) | 2014-03-28 | 2014-03-28 | 画像復号化装置および画像復号化方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015192321A JP2015192321A (ja) | 2015-11-02 |
| JP2015192321A5 JP2015192321A5 (https=) | 2017-03-30 |
| JP6345961B2 true JP6345961B2 (ja) | 2018-06-20 |
Family
ID=54195110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014068542A Expired - Fee Related JP6345961B2 (ja) | 2014-03-28 | 2014-03-28 | 画像復号化装置および画像復号化方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9860566B2 (https=) |
| JP (1) | JP6345961B2 (https=) |
| WO (1) | WO2015146586A1 (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6471022B2 (ja) * | 2015-03-31 | 2019-02-13 | 株式会社メガチップス | 画像処理システムおよび画像処理方法 |
| CN106791853A (zh) * | 2015-11-23 | 2017-05-31 | 江南大学 | 一种基于视觉记忆模型的roi小波提升图像编码方法 |
| JP6577855B2 (ja) * | 2015-12-14 | 2019-09-18 | 株式会社メガチップス | 画像処理システムおよび画像処理方法 |
| US10542267B2 (en) * | 2016-01-21 | 2020-01-21 | Samsung Display Co., Ltd. | Classification preserving image transform compression |
| JP6910772B2 (ja) * | 2016-09-08 | 2021-07-28 | キヤノン株式会社 | 撮像装置、撮像装置の制御方法およびプログラム |
| KR102561306B1 (ko) * | 2016-12-01 | 2023-07-31 | 한화비전 주식회사 | 영상 처리 장치 및 방법 |
| JP2018182569A (ja) * | 2017-04-14 | 2018-11-15 | 株式会社メガチップス | 画像処理装置、画像処理システム、情報処理システム及び画像処理方法 |
| CN111583183B (zh) * | 2020-04-13 | 2022-12-06 | 成都数之联科技股份有限公司 | 一种用于pcb板图像缺陷检测的数据增强方法和系统 |
| JP7551385B2 (ja) | 2020-07-31 | 2024-09-17 | キヤノン株式会社 | 情報処理装置、制御方法、及びプログラム |
| CN113473138B (zh) * | 2021-06-30 | 2024-04-05 | 杭州海康威视数字技术股份有限公司 | 视频帧编码方法、装置、电子设备及存储介质 |
| US12597087B2 (en) * | 2022-08-30 | 2026-04-07 | Qualcomm Incorporated | High-performance and low-latency implementation of a wavelet-based image compression scheme |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9800088D0 (sv) | 1997-10-10 | 1998-01-16 | Ericsson Telefon Ab L M | Long filter lossless region of interest coding |
| SE9803454L (sv) | 1998-10-09 | 2000-04-10 | Ericsson Telefon Ab L M | Förfarande och system för kodning av ROI |
| JP4701448B2 (ja) * | 2000-09-19 | 2011-06-15 | 株式会社メガチップス | 関心領域符号化方法 |
| EP1571850A3 (en) * | 2004-03-05 | 2006-12-13 | Samsung Electronics Co., Ltd. | Apparatus and method for encoding and decoding image containing grayscale alpha channel image |
| US20060045381A1 (en) * | 2004-08-31 | 2006-03-02 | Sanyo Electric Co., Ltd. | Image processing apparatus, shooting apparatus and image display apparatus |
| JP4489605B2 (ja) | 2005-01-19 | 2010-06-23 | 株式会社メガチップス | 圧縮符号化装置、圧縮符号化方法およびプログラム |
| JP4822396B2 (ja) | 2005-03-29 | 2011-11-24 | 株式会社メガチップス | 画像強調装置 |
| JP2006295299A (ja) | 2005-04-06 | 2006-10-26 | Megachips Lsi Solutions Inc | デジタル絞りシステム |
| US7916961B2 (en) | 2005-09-06 | 2011-03-29 | Megachips Corporation | Compression encoder, compression encoding method and program |
| JP4841504B2 (ja) * | 2007-05-31 | 2011-12-21 | 三洋電機株式会社 | 画像符号化装置および方法 |
-
2014
- 2014-03-28 JP JP2014068542A patent/JP6345961B2/ja not_active Expired - Fee Related
-
2015
- 2015-03-11 WO PCT/JP2015/057133 patent/WO2015146586A1/ja not_active Ceased
-
2016
- 2016-09-26 US US15/276,512 patent/US9860566B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US9860566B2 (en) | 2018-01-02 |
| WO2015146586A1 (ja) | 2015-10-01 |
| US20170013278A1 (en) | 2017-01-12 |
| JP2015192321A (ja) | 2015-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6345961B2 (ja) | 画像復号化装置および画像復号化方法 | |
| JP5034018B2 (ja) | 圧縮符号化装置、圧縮符号化方法およびプログラム | |
| JP4480119B2 (ja) | 画像処理装置及び画像処理方法 | |
| JP4273996B2 (ja) | 画像符号化装置及び方法、並びに画像復号装置及び方法 | |
| JP4489605B2 (ja) | 圧縮符号化装置、圧縮符号化方法およびプログラム | |
| JP4789148B2 (ja) | 圧縮符号化装置、圧縮符号化方法およびプログラム | |
| Valitskaya et al. | Video compression method on the basis of discrete wavelet transform for application in video information systems with non-standard parameters | |
| JP6471022B2 (ja) | 画像処理システムおよび画像処理方法 | |
| US10298928B2 (en) | Image processing system and image processing method | |
| JP6165491B2 (ja) | 画像処理装置および画像処理方法 | |
| JP2016192669A5 (https=) | ||
| JP4726040B2 (ja) | 符号化処理装置、復号処理装置、符号化処理方法、復号処理方法、プログラム及び情報記録媒体 | |
| JP4371070B2 (ja) | 画像階層符号化方法及び画像階層復号化方法 | |
| JP2004326447A (ja) | 画像合成装置及び方法 | |
| JP2021132302A (ja) | 画像符号化装置、画像復号装置及びこれらのプログラム | |
| JP6577855B2 (ja) | 画像処理システムおよび画像処理方法 | |
| Abhayaratne et al. | A novel morphological subband decomposition scheme for 2D+ t wavelet video coding | |
| Liu | Research on image compression algorithm based on SPHIT | |
| JP2011061527A (ja) | 画像符号変換装置および画像符号変換方法ならびに画像復号装置および画像復号方法 | |
| JP2002135781A (ja) | 画像符号化装置、画像復号装置、及びそれらの方法並びに記憶媒体 | |
| Senthilkumar et al. | A performance analysis of EZW, SPIHT wavelet based compressed images | |
| JP2004260539A (ja) | 画像復号化装置及び画像復号化プログラム | |
| JP2004289737A (ja) | 画像符号化装置、画像符号化プログラム、及び画像復号化プログラム | |
| JP4494422B2 (ja) | リフティング係数変換方法およびリフティング係数変換装置 | |
| Kaur et al. | Enhancement of compression ratio and image quality using ISPIHT with MFHWT |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170221 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170221 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180508 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180524 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6345961 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| LAPS | Cancellation because of no payment of annual fees |