JP4902112B2 - 低域通過フィルタおよび撮像装置 - Google Patents

低域通過フィルタおよび撮像装置 Download PDF

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Publication number
JP4902112B2
JP4902112B2 JP2004337135A JP2004337135A JP4902112B2 JP 4902112 B2 JP4902112 B2 JP 4902112B2 JP 2004337135 A JP2004337135 A JP 2004337135A JP 2004337135 A JP2004337135 A JP 2004337135A JP 4902112 B2 JP4902112 B2 JP 4902112B2
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JP
Japan
Prior art keywords
pass filter
low
light
aliasing noise
noise suppression
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
JP2004337135A
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English (en)
Japanese (ja)
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JP2006145939A5 (enExample
JP2006145939A (ja
Inventor
亨 佐々木
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2004337135A priority Critical patent/JP4902112B2/ja
Priority to US11/282,406 priority patent/US7551221B2/en
Publication of JP2006145939A publication Critical patent/JP2006145939A/ja
Publication of JP2006145939A5 publication Critical patent/JP2006145939A5/ja
Priority to US12/468,042 priority patent/US7986366B2/en
Application granted granted Critical
Publication of JP4902112B2 publication Critical patent/JP4902112B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Studio Devices (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
JP2004337135A 2004-11-22 2004-11-22 低域通過フィルタおよび撮像装置 Expired - Fee Related JP4902112B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004337135A JP4902112B2 (ja) 2004-11-22 2004-11-22 低域通過フィルタおよび撮像装置
US11/282,406 US7551221B2 (en) 2004-11-22 2005-11-18 Camera apparatus having an optical low pass filter and image pickup apparatus having the same
US12/468,042 US7986366B2 (en) 2004-11-22 2009-05-18 Optical low pass filter and image pickup apparatus having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004337135A JP4902112B2 (ja) 2004-11-22 2004-11-22 低域通過フィルタおよび撮像装置

Publications (3)

Publication Number Publication Date
JP2006145939A JP2006145939A (ja) 2006-06-08
JP2006145939A5 JP2006145939A5 (enExample) 2008-01-10
JP4902112B2 true JP4902112B2 (ja) 2012-03-21

Family

ID=36610964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004337135A Expired - Fee Related JP4902112B2 (ja) 2004-11-22 2004-11-22 低域通過フィルタおよび撮像装置

Country Status (2)

Country Link
US (2) US7551221B2 (enExample)
JP (1) JP4902112B2 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100579240C (zh) * 2004-05-26 2010-01-06 安奇逻辑股份有限公司 摄像装置
JP4902112B2 (ja) * 2004-11-22 2012-03-21 キヤノン株式会社 低域通過フィルタおよび撮像装置
US20060141220A1 (en) * 2004-12-23 2006-06-29 Merrill William W Uniaxially oriented article having a structured surface
US20060204720A1 (en) * 2004-12-23 2006-09-14 Biernath Rolf W Uniaxially oriented birefringent article having a structured surface
US20060138705A1 (en) * 2004-12-23 2006-06-29 Korba Gary A Method of making a structured surface article
US20060138686A1 (en) * 2004-12-23 2006-06-29 Ouderkirk Andrew J Method of making a uniaxially stretched polymeric film having structured surface
US20060138694A1 (en) * 2004-12-23 2006-06-29 Biernath Rolf W Method of making a polymeric film having structured surfaces via replication
US20060141219A1 (en) * 2004-12-23 2006-06-29 Benson Olester Jr Roll of a uniaxially oriented article having a structured surface
US20070065636A1 (en) * 2005-08-04 2007-03-22 Merrill William W Article having a birefringent surface and microstructured features having a variable pitch or angles and process for making the article
US7418202B2 (en) * 2005-08-04 2008-08-26 3M Innovative Properties Company Article having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter
US7889264B2 (en) 2006-05-12 2011-02-15 Ricoh Co., Ltd. End-to-end design of superresolution electro-optic imaging systems
US7692709B2 (en) * 2006-05-12 2010-04-06 Ricoh Co., Ltd. End-to-end design of electro-optic imaging systems with adjustable optical cutoff frequency
US9134471B2 (en) 2006-06-28 2015-09-15 3M Innovative Properties Company Oriented polymeric articles and method
JP5028048B2 (ja) * 2006-08-10 2012-09-19 キヤノン株式会社 撮像装置
KR20110068994A (ko) * 2008-08-14 2011-06-22 리모트리얼리티 코포레이션 3-미러 파노라마 카메라
JP5446521B2 (ja) * 2009-07-06 2014-03-19 株式会社リコー 撮像装置
JP2011035737A (ja) * 2009-08-03 2011-02-17 Olympus Corp 撮像装置、電子機器、画像処理装置及び画像処理方法
US9018578B2 (en) 2011-12-23 2015-04-28 Mitutoyo Corporation Adaptable resolution optical encoder having structured illumination and spatial filtering
US9029757B2 (en) 2011-12-23 2015-05-12 Mitutoyo Corporation Illumination portion for an adaptable resolution optical encoder
US9080899B2 (en) 2011-12-23 2015-07-14 Mitutoyo Corporation Optical displacement encoder having plural scale grating portions with spatial phase offset of scale pitch
US8941052B2 (en) 2011-12-23 2015-01-27 Mitutoyo Corporation Illumination portion for an adaptable resolution optical encoder
JP2014164174A (ja) * 2013-02-26 2014-09-08 Toshiba Corp 固体撮像装置、携帯情報端末、および固体撮像システム
JP6472307B2 (ja) 2014-04-17 2019-02-20 キヤノン株式会社 撮像装置
JP6682184B2 (ja) * 2014-12-19 2020-04-15 キヤノン株式会社 画像処理方法、画像処理プログラム、画像処理装置および撮像装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5222209B2 (enExample) * 1972-06-23 1977-06-16
JPS4930054A (enExample) * 1972-07-19 1974-03-18
JPS5742849B2 (enExample) * 1974-06-05 1982-09-10
JPH0833526B2 (ja) 1988-11-28 1996-03-29 キヤノン株式会社 光学的ローパスフィルターを有した撮影レンズ
JPH06317764A (ja) * 1993-04-27 1994-11-15 Olympus Optical Co Ltd 光学的ローパスフィルター
JPH0815646A (ja) 1994-06-30 1996-01-19 Canon Inc 光学的ローパスフィルター及びそれを有した結像系
JPH09185019A (ja) 1996-01-05 1997-07-15 Canon Inc 光学的ローパスフィルター及びそれを有した結像系
JP2001209008A (ja) * 2000-01-26 2001-08-03 Fuji Photo Film Co Ltd 光学的ローパスフィルタ
JP4052084B2 (ja) * 2002-10-17 2008-02-27 株式会社ニコン 高分子光学ローパスフィルタおよびデジタルカメラ
JP4902112B2 (ja) * 2004-11-22 2012-03-21 キヤノン株式会社 低域通過フィルタおよび撮像装置
US7418202B2 (en) * 2005-08-04 2008-08-26 3M Innovative Properties Company Article having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter

Also Published As

Publication number Publication date
US20060139476A1 (en) 2006-06-29
US7551221B2 (en) 2009-06-23
US7986366B2 (en) 2011-07-26
JP2006145939A (ja) 2006-06-08
US20090231481A1 (en) 2009-09-17

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