JP4286124B2 - 画像信号処理装置 - Google Patents
画像信号処理装置 Download PDFInfo
- Publication number
- JP4286124B2 JP4286124B2 JP2003425812A JP2003425812A JP4286124B2 JP 4286124 B2 JP4286124 B2 JP 4286124B2 JP 2003425812 A JP2003425812 A JP 2003425812A JP 2003425812 A JP2003425812 A JP 2003425812A JP 4286124 B2 JP4286124 B2 JP 4286124B2
- Authority
- JP
- Japan
- Prior art keywords
- row
- image data
- data
- signal processing
- original image
- 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
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/005—Adapting incoming signals to the display format of the display terminal
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
- Studio Devices (AREA)
- Color Television Systems (AREA)
- Television Systems (AREA)
- Image Processing (AREA)
Description
IY (j+2)=D(j)+6D(j+1)+10D(j+2)+6D(j+3)+D(j+4)
IC1(j+2)=6D(j+1)+6D(j+3)
IC2(j+2)=D(j)+10D(j+2)+D(j+4)
なる3種類の画像データが生成される。
IY =α1・D(j)+α2・D(j+1)+α3・D(j+2)+α4・D(j+3)+α5・D(j+4)
IC1=α2・D(j+1)+α4・D(j+3)
IC2=α1・D(j)+α3・D(j+2)+α5・D(j+4)
なる3種類の画像データが生成される。
Claims (3)
- 行列配置されたサンプリング点の各列にn行を繰り返し周期として複数の色成分が周期的に現れる原画像データが入力され、当該原画像データとは垂直サンプリング周期が異なる目的画像データを生成する画像信号処理装置であって、
入力された前記原画像データのうち所定幅の行範囲内にて互いに所定の位置関係にある複数行を保持するデータ保持部と、
前記データ保持部に保持された複数行の前記原画像データを行毎に重み付けし相互に加算して、原画像の前記行範囲に応じた位置の目的行での前記目的画像データを生成する目的画像データ生成部と、
前記目的画像データ生成部で行われる重み付け加算の行毎の重み係数を前記目的行に応じて設定する係数設定部と、
を有し、
前記係数設定部は、
前記目的画像データにおいて前記原画像の垂直サンプリング周波数の1/nに応じた周波数成分を減衰するトラップ特性と、前記データ保持部に保持された前記原画像データの各行に対応する垂直サンプリング点及び前記目的行に対応する垂直サンプリング点の相互の位置関係と、に基づいて前記重み係数を定めること、
を特徴とする画像信号処理装置。 - 請求項1に記載の画像信号処理装置において、
前記データ保持部は、それぞれ1行の前記原画像データを保持できる複数のラインメモリからなること、
を特徴とする画像信号処理装置。 - 請求項1から請求項2のいずれか1つに記載の画像信号処理装置において、
前記データ保持部は、前記行範囲内の各行の前記原画像データを保持し、
前記目的画像データ生成部は、前記行範囲内の各行の前記原画像データを重み付け加算した輝度データと、前記データ保持部に保持された前記原画像データのうち色成分構成が同じとなるn行毎の各行を前記重み係数に基づいて重み付け加算した色成分データと、を算出すること、
を特徴とする画像信号処理装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003425812A JP4286124B2 (ja) | 2003-12-22 | 2003-12-22 | 画像信号処理装置 |
CNB2004100980881A CN1328911C (zh) | 2003-12-22 | 2004-12-08 | 图像信号处理装置 |
TW093139601A TWI250802B (en) | 2003-12-22 | 2004-12-20 | Image signal processing device |
KR1020040109328A KR100719988B1 (ko) | 2003-12-22 | 2004-12-21 | 화상 신호 처리 장치 |
US11/018,485 US7855739B2 (en) | 2003-12-22 | 2004-12-22 | Image signal processing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003425812A JP4286124B2 (ja) | 2003-12-22 | 2003-12-22 | 画像信号処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005184693A JP2005184693A (ja) | 2005-07-07 |
JP4286124B2 true JP4286124B2 (ja) | 2009-06-24 |
Family
ID=34785563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003425812A Expired - Fee Related JP4286124B2 (ja) | 2003-12-22 | 2003-12-22 | 画像信号処理装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7855739B2 (ja) |
JP (1) | JP4286124B2 (ja) |
KR (1) | KR100719988B1 (ja) |
CN (1) | CN1328911C (ja) |
TW (1) | TWI250802B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9179046B1 (en) | 2006-04-28 | 2015-11-03 | Ambarella, Inc. | Camera with high-quality still capture during continuous video capture |
US7675550B1 (en) | 2006-04-28 | 2010-03-09 | Ambarella, Inc. | Camera with high-quality still capture during continuous video capture |
JP4685727B2 (ja) * | 2006-08-08 | 2011-05-18 | 株式会社日立国際電気 | テレビジョンカメラ |
CN100505831C (zh) * | 2007-07-27 | 2009-06-24 | 北京创毅视讯科技有限公司 | 一种同频干扰滤波方法及同频干扰滤波器 |
JP5353560B2 (ja) * | 2009-08-25 | 2013-11-27 | 富士通株式会社 | 画像処理回路および画像符号化装置 |
US20120098847A1 (en) * | 2010-10-21 | 2012-04-26 | Qualcomm Mems Technologies, Inc. | System and method for reduced resolution addressing |
JP2013137418A (ja) * | 2011-12-28 | 2013-07-11 | Panasonic Liquid Crystal Display Co Ltd | 液晶表示装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2184316B (en) * | 1985-12-17 | 1989-10-11 | Sony Corp | Two-dimensional finite impulse response filter arrangements. |
GB2197766B (en) * | 1986-11-17 | 1990-07-25 | Sony Corp | Two-dimensional finite impulse response filter arrangements |
US5280353A (en) * | 1989-08-15 | 1994-01-18 | Rank Cintel Limited | Method and apparatus for signal processing by interpolation and filtering with simultaneous frequency response compensation and offset generation |
US5447002A (en) * | 1993-08-12 | 1995-09-05 | Sony Electronics Inc. | Clean room wall system |
EP0784399B1 (en) * | 1994-09-30 | 2006-04-12 | Matsushita Electric Industrial Co., Ltd. | Image pickup device |
JPH0946554A (ja) * | 1995-07-31 | 1997-02-14 | Sony Corp | 撮像装置 |
JP3499985B2 (ja) * | 1995-09-29 | 2004-02-23 | 三洋電機株式会社 | 撮像装置 |
SG109998A1 (en) * | 1996-03-06 | 2005-04-28 | Sony Corp | Image pickup apparatus and solid state image pickup device |
US5940123A (en) * | 1997-02-13 | 1999-08-17 | Atl Ultrasound | High resolution ultrasonic imaging through interpolation of received scanline data |
US6281873B1 (en) * | 1997-10-09 | 2001-08-28 | Fairchild Semiconductor Corporation | Video line rate vertical scaler |
US6122017A (en) * | 1998-01-22 | 2000-09-19 | Hewlett-Packard Company | Method for providing motion-compensated multi-field enhancement of still images from video |
KR100287866B1 (ko) * | 1998-12-31 | 2001-05-02 | 구자홍 | 수직 영상 포맷 변환 장치 및 이를 이용한 디지털 수신 시스템 |
US7116372B2 (en) * | 2000-10-20 | 2006-10-03 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for deinterlacing |
US6895256B2 (en) * | 2000-12-07 | 2005-05-17 | Nokia Mobile Phones Ltd. | Optimized camera sensor architecture for a mobile telephone |
US6765622B2 (en) * | 2001-10-26 | 2004-07-20 | Koninklijke Philips Electronics N.V. | Line-buffer reuse in vertical pixel-processing arrangement |
US7106478B2 (en) * | 2002-01-25 | 2006-09-12 | Kabushiki Kaisha Toshiba | Image processing device and method for controlling the same |
-
2003
- 2003-12-22 JP JP2003425812A patent/JP4286124B2/ja not_active Expired - Fee Related
-
2004
- 2004-12-08 CN CNB2004100980881A patent/CN1328911C/zh not_active Expired - Fee Related
- 2004-12-20 TW TW093139601A patent/TWI250802B/zh not_active IP Right Cessation
- 2004-12-21 KR KR1020040109328A patent/KR100719988B1/ko not_active IP Right Cessation
- 2004-12-22 US US11/018,485 patent/US7855739B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
TWI250802B (en) | 2006-03-01 |
US20050174438A1 (en) | 2005-08-11 |
US7855739B2 (en) | 2010-12-21 |
JP2005184693A (ja) | 2005-07-07 |
CN1638487A (zh) | 2005-07-13 |
KR100719988B1 (ko) | 2007-05-18 |
KR20050063711A (ko) | 2005-06-28 |
CN1328911C (zh) | 2007-07-25 |
TW200527921A (en) | 2005-08-16 |
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