DE69122981T2 - Filter zur Änderung der Abtastfrequenz - Google Patents

Filter zur Änderung der Abtastfrequenz

Info

Publication number
DE69122981T2
DE69122981T2 DE69122981T DE69122981T DE69122981T2 DE 69122981 T2 DE69122981 T2 DE 69122981T2 DE 69122981 T DE69122981 T DE 69122981T DE 69122981 T DE69122981 T DE 69122981T DE 69122981 T2 DE69122981 T2 DE 69122981T2
Authority
DE
Germany
Prior art keywords
filters
changing
sampling frequency
sampling
frequency
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
Application number
DE69122981T
Other languages
English (en)
Other versions
DE69122981D1 (de
Inventor
Akihiro Kikuchi
Toshiharu Kondo
Takashi Kohashi
Fumiaki Kato
Katsuaki Hirota Katsuak Hirota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69122981D1 publication Critical patent/DE69122981D1/de
Publication of DE69122981T2 publication Critical patent/DE69122981T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04N7/0102—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving the resampling of the incoming video signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
    • H04N23/635—Region indicators; Field of view indicators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/135—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements
    • H04N25/136—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements using complementary colours

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Color Television Image Signal Generators (AREA)
DE69122981T 1990-02-27 1991-02-27 Filter zur Änderung der Abtastfrequenz Expired - Fee Related DE69122981T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP02047010A JP3143907B2 (ja) 1990-02-27 1990-02-27 サンプリング周波数乗換フィルタ回路

Publications (2)

Publication Number Publication Date
DE69122981D1 DE69122981D1 (de) 1996-12-12
DE69122981T2 true DE69122981T2 (de) 1997-03-06

Family

ID=12763200

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69122981T Expired - Fee Related DE69122981T2 (de) 1990-02-27 1991-02-27 Filter zur Änderung der Abtastfrequenz

Country Status (5)

Country Link
US (1) US5144450A (de)
EP (1) EP0449682B1 (de)
JP (1) JP3143907B2 (de)
KR (1) KR0184887B1 (de)
DE (1) DE69122981T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3395184B2 (ja) * 1991-01-25 2003-04-07 ソニー株式会社 ビデオカメラ
US6512791B1 (en) * 1991-05-15 2003-01-28 Canon Kabushiki Kaisha Image processing apparatus having means for controlling exposure using an orthogonal transformation coefficient
US5694168A (en) * 1991-09-04 1997-12-02 Fuji Photo Film Co., Ltd. Auto focus control device and method including selecting a zone for detecting an evaluative value for focusing in accordance with photographing direction
GB9121504D0 (en) * 1991-10-10 1991-11-27 Snell & Wilcox Ltd Signal sampling
JPH05292382A (ja) * 1992-04-15 1993-11-05 Sony Corp オートフォーカス装置
EP0679021B1 (de) * 1994-04-19 2010-12-15 Eastman Kodak Company Kamera mit automatischer Belichtungssteuerung unter Verwendung von CCD-Sensor mit verstellbarem Belichtungsindex
US5874994A (en) * 1995-06-30 1999-02-23 Eastman Kodak Company Filter employing arithmetic operations for an electronic sychronized digital camera
US5926209A (en) * 1995-07-14 1999-07-20 Sensormatic Electronics Corporation Video camera apparatus with compression system responsive to video camera adjustment
WO1998058024A1 (fr) 1997-06-19 1998-12-23 Mitsui Chemicals, Inc. Composition de resine a mouler
US6657668B1 (en) * 1997-11-19 2003-12-02 Ricoh Company, Ltd. Method, system, and computer readable medium for controlling automatic focusing of a digital camera
JP5132507B2 (ja) * 2008-09-26 2013-01-30 オリンパス株式会社 焦点検出装置およびカメラシステム
US8049811B2 (en) * 2009-01-28 2011-11-01 Board Of Regents, The University Of Texas System Automatic focusing apparatus and method for digital images using automatic filter switching
JP5271165B2 (ja) * 2009-06-15 2013-08-21 富士フイルム株式会社 撮影装置および撮影制御方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660767A (en) * 1969-12-18 1972-05-02 Matsushita Electric Ind Co Ltd Frequency divider circuit system
US4355228A (en) * 1978-03-06 1982-10-19 Artek Systems Corporation Image analyzer with light pen or the like and shading corrector
NL8204728A (nl) * 1982-12-07 1984-07-02 Philips Nv Televisieschakeling voor raster- en lijnfrekwentieverdubbeling en beelddeelvergroting.
JPS60183876A (ja) * 1984-03-02 1985-09-19 Konishiroku Photo Ind Co Ltd ビデオカメラのオ−トフオ−カス装置
US4845437A (en) * 1985-07-09 1989-07-04 Minolta Camera Kabushiki Kaisha Synchronous clock frequency conversion circuit
JPS6319830U (de) * 1986-07-18 1988-02-09
JP2592810B2 (ja) * 1986-09-30 1997-03-19 株式会社東芝 サンプルレート変換回路
JP2611269B2 (ja) * 1987-10-23 1997-05-21 ソニー株式会社 固体撮像装置の信号処理装置
JP2696901B2 (ja) * 1988-04-08 1998-01-14 ソニー株式会社 サンプリング周波数変換回路
JP2584019B2 (ja) * 1988-06-17 1997-02-19 富士写真フイルム株式会社 カメラおよびその合焦制御装置

Also Published As

Publication number Publication date
EP0449682B1 (de) 1996-11-06
JPH03249813A (ja) 1991-11-07
US5144450A (en) 1992-09-01
JP3143907B2 (ja) 2001-03-07
EP0449682A1 (de) 1991-10-02
DE69122981D1 (de) 1996-12-12
KR0184887B1 (ko) 1999-04-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee