JP4963681B2 - 画像処理装置 - Google Patents
画像処理装置 Download PDFInfo
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- JP4963681B2 JP4963681B2 JP2008084157A JP2008084157A JP4963681B2 JP 4963681 B2 JP4963681 B2 JP 4963681B2 JP 2008084157 A JP2008084157 A JP 2008084157A JP 2008084157 A JP2008084157 A JP 2008084157A JP 4963681 B2 JP4963681 B2 JP 4963681B2
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- 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
- H04N19/146—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
- H04N19/10—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
- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Description
2 量子化部
3 予測部
4 符号化部
7〜9,20,21 処理部
Claims (5)
- 入力されたデータを符号化する符号化部を備え、
前記符号化部は、
前記データを、上位側の第1の桁範囲内の第1の部分データと、下位側の第2の桁範囲内の第2の部分データとに分割する第1の処理部と、
前記第1の部分データ及び前記第2の部分データのうちの前記第1の部分データのみを符号化する第2の処理部と、
前記第1の部分データの値を「0」に設定する補正処理を実行する第3の処理部と
を有する、画像処理装置。 - 前記第1の部分データは、上位側の桁範囲内の第3の部分データと、下位側の桁範囲内の第4の部分データとを有しており、
前記第3の処理部は、前記第3の部分データの値が「0」であることを条件として、前記第4の部分データに対して前記補正処理を実行する、請求項1に記載の画像処理装置。 - 前記第3の処理部が前記補正処理を実行する場合に、前記第2の桁範囲内の各桁の値を全て「1」に設定する、第4の処理部をさらに備える、請求項1又は2に記載の画像処理装置。
- 前記第3の処理部は、HD Photoにおける、ハイパス成分のデータ、ローパス成分のデータ、及び直流成分のデータのうち、ハイパス成分のデータに対してのみ、前記補正処理を実行する、請求項1〜3のいずれか一つに記載の画像処理装置。
- 前記第1の桁範囲は、HD PhotoにおけるNormal Bitであり、
前記第2の桁範囲は、HD PhotoにおけるFlex Bitである、請求項1〜4のいずれか一つに記載の画像処理装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008084157A JP4963681B2 (ja) | 2008-03-27 | 2008-03-27 | 画像処理装置 |
US12/402,776 US8306344B2 (en) | 2008-03-27 | 2009-03-12 | Image processor with an encoder in a predictive coding system that reduces an amount of encoded data |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008084157A JP4963681B2 (ja) | 2008-03-27 | 2008-03-27 | 画像処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009239702A JP2009239702A (ja) | 2009-10-15 |
JP4963681B2 true JP4963681B2 (ja) | 2012-06-27 |
Family
ID=41117329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008084157A Active JP4963681B2 (ja) | 2008-03-27 | 2008-03-27 | 画像処理装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8306344B2 (ja) |
JP (1) | JP4963681B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101054644B1 (ko) * | 2008-11-25 | 2011-08-08 | 에스케이 텔레콤주식회사 | 동작 추정 기반 영상 부호화/복호화 장치 및 방법 |
KR101654777B1 (ko) * | 2010-07-19 | 2016-09-06 | 삼성전자주식회사 | 3차원 메쉬 가변 부호화 장치 및 방법, 그리고 3차원 메쉬 가변 복호화 장치 및 방법 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06112836A (ja) | 1992-09-30 | 1994-04-22 | Matsushita Electric Ind Co Ltd | 量子化装置 |
US6356663B1 (en) * | 1994-09-09 | 2002-03-12 | Intel Corporation | Processing image signals using spatial decomposition |
JP3291948B2 (ja) | 1994-12-15 | 2002-06-17 | ソニー株式会社 | 高能率符号化方法及び装置、並びに伝送媒体 |
JPH1056639A (ja) * | 1996-06-03 | 1998-02-24 | Matsushita Electric Ind Co Ltd | 画像符号化装置と画像復号化装置 |
US6393149B2 (en) * | 1998-09-17 | 2002-05-21 | Navigation Technologies Corp. | Method and system for compressing data and a geographic database formed therewith and methods for use thereof in a navigation application program |
KR100374605B1 (ko) * | 2000-10-25 | 2003-03-04 | 삼성전자주식회사 | 그래픽 신호의 광 전송장치 및 방법 |
JP2004248152A (ja) * | 2003-02-17 | 2004-09-02 | Ricoh Co Ltd | 画像圧縮装置、画像伸張装置、画像圧縮方法、画像伸張方法、プログラム、及び記録媒体 |
JP2006025123A (ja) * | 2004-07-07 | 2006-01-26 | Olympus Corp | 画像処理装置 |
US7466867B2 (en) * | 2004-11-26 | 2008-12-16 | Taiwan Imagingtek Corporation | Method and apparatus for image compression and decompression |
-
2008
- 2008-03-27 JP JP2008084157A patent/JP4963681B2/ja active Active
-
2009
- 2009-03-12 US US12/402,776 patent/US8306344B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2009239702A (ja) | 2009-10-15 |
US8306344B2 (en) | 2012-11-06 |
US20090245669A1 (en) | 2009-10-01 |
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