JPWO2023106120A1 - - Google Patents
Info
- Publication number
- JPWO2023106120A1 JPWO2023106120A1 JP2023566227A JP2023566227A JPWO2023106120A1 JP WO2023106120 A1 JPWO2023106120 A1 JP WO2023106120A1 JP 2023566227 A JP2023566227 A JP 2023566227A JP 2023566227 A JP2023566227 A JP 2023566227A JP WO2023106120 A1 JPWO2023106120 A1 JP WO2023106120A1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H04N19/169—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
- H04N19/184—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 bits, e.g. of the compressed video stream
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
- H03M7/04—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word the radix thereof being two
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using 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
- H04N19/60—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]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021200177 | 2021-12-09 | ||
| PCT/JP2022/043458 WO2023106120A1 (ja) | 2021-12-09 | 2022-11-25 | 情報処理装置および方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2023106120A1 true JPWO2023106120A1 (https=) | 2023-06-15 |
| JPWO2023106120A5 JPWO2023106120A5 (https=) | 2024-08-23 |
Family
ID=86730455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023566227A Pending JPWO2023106120A1 (https=) | 2021-12-09 | 2022-11-25 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US12445649B2 (https=) |
| JP (1) | JPWO2023106120A1 (https=) |
| WO (1) | WO2023106120A1 (https=) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4386224B2 (ja) * | 2000-06-09 | 2009-12-16 | キヤノン株式会社 | データ転送装置及びその方法 |
| JP2006080793A (ja) * | 2004-09-08 | 2006-03-23 | Canon Inc | 画像符号化装置及び方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体 |
| US8634668B2 (en) | 2011-02-25 | 2014-01-21 | Sony Corporation | Method of compression of digital images using a fixed number of bits per block |
| EP3379835A1 (en) * | 2017-03-24 | 2018-09-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder for decoding image data from a data stream, encoder for encoding image data into a data stream, and data stream comprising image data and data on greatest coded line index values |
-
2022
- 2022-11-25 JP JP2023566227A patent/JPWO2023106120A1/ja active Pending
- 2022-11-25 US US18/715,891 patent/US12445649B2/en active Active
- 2022-11-25 WO PCT/JP2022/043458 patent/WO2023106120A1/ja not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US12445649B2 (en) | 2025-10-14 |
| WO2023106120A1 (ja) | 2023-06-15 |
| US20250039456A1 (en) | 2025-01-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A527 Effective date: 20240508 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20251001 |