JP4797151B2 - サブピクセル解像度を有する薄型カメラ - Google Patents
サブピクセル解像度を有する薄型カメラ Download PDFInfo
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- JP4797151B2 JP4797151B2 JP2006551449A JP2006551449A JP4797151B2 JP 4797151 B2 JP4797151 B2 JP 4797151B2 JP 2006551449 A JP2006551449 A JP 2006551449A JP 2006551449 A JP2006551449 A JP 2006551449A JP 4797151 B2 JP4797151 B2 JP 4797151B2
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0043—Inhomogeneous or irregular arrays, e.g. varying shape, size, height
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/48—Increasing resolution by shifting the sensor relative to the scene
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- 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
- H04N25/134—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
- H04N25/41—Extracting pixel data from a plurality of image sensors simultaneously picking up an image, e.g. for increasing the field of view by combining the outputs of a plurality of sensors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/12—Fluid-filled or evacuated lenses
- G02B3/14—Fluid-filled or evacuated lenses of variable focal length
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/1462—Coatings
- H01L27/14621—Colour filter arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14625—Optical elements or arrangements associated with the device
- H01L27/14627—Microlenses
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- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Color Television Image Signal Generators (AREA)
- Lenses (AREA)
- Studio Devices (AREA)
- Cameras In General (AREA)
Description
Y=0.299R+0.58G+0.114B
U=B−Y
V=R−Y (1)
すなわち、図3Bに示すフィルタ37からYUV成分を特定することができる。Yフィルタを透過した信号は輝度信号として機能する。より多くの光を透過させる必要がある場合には、緑色光のほぼ全部、赤色光の約0.51、および青色光の約0.2を通過させ、残りのフィルタをそのままにして、Yフィルタを透過する光の比率を一定に維持する。
P=(N+1/2)×X (2)
ここで、Xはピクセルピッチで、Nは整数である。例えば、ILA内の各レンズの直径が1mmで、Xが10μmで、Nとして150が選択された場合、中心間スペースPは、1.505mmとなる。
s=P×di/do (3)
ここで、diは像距離で、doは被写体距離であって、像距離は、ほとんどの応用例において、すなわちR=do/diが10を超えるとき焦点距離とほぼ等しい。焦点距離が2mmであるとき、ピクセルピッチXが10μmとすると、無限遠からおよそ3m離れた距離までの被写体に対して、画像シフトは1つのピクセルの1/10未満に維持される。ただし、ピクセルピッチXが3μmまで低減された場合、被写体距離が3であるとき、シフト量sは1つのピクセルの1/3となる。
Claims (15)
- カラーカメラであって、
撮像レンズ、カラーフィルタ、および検出器アレイをそれぞれ有する少なくとも3つのサブカメラと、
少なくとも3つのサブカメラからの画像を組み合わせて、マルチカラー合成画像を形成する合成部とを備え、
少なくとも3つのサブカメラは、合計N個の検出器を備え、合計X組の異なるカラーの組を有し、
第1のカラーの組の信号の第1の個数はN/Xより少なく、第2のカラーの組の信号の第2の個数はN/Xより多く、
第2のカラーの組の信号は、少なくとも3つのサブカメラのうちの少なくとも2つのサブカメラから出力され、
第2のカラーの組の合成画像の解像度は個々のサブカメラの解像度より大きく、
第1のカラーの組の合成画像の解像度は個々のサブカメラの解像度より大きくなく、
第1のサブカメラは、検出器アレイの検出器サイズの非整数倍だけ、第2のサブカメラの撮像レンズから第1の撮像レンズの中心をずらす画像シフト部を有し、
画像シフト部は、個々のサブカメラの撮像レンズの中心からずれた位置に中心を有し、印加される電圧を制御することにより焦点距離を調整できる液体レンズを含むことを特徴とするカラーカメラ。 - 請求項1に記載のカラーカメラであって、
撮像レンズと検出器アレイの間に、撮像レンズと検出器アレイの間に第2の方向に沿った光を遮断する絞りをさらに有することを特徴とするカラーカメラ。 - 請求項1に記載のカラーカメラであって、
複数のサブカメラの画像の位置を順次ずらす画像シフト部をさらに有することを特徴とするカラーカメラ。 - 請求項1に記載のカラーカメラであって、
カラーの組に関連するカラーフィルタは、各撮像レンズの上に配設されることを特徴とするカラーカメラ。 - 請求項4に記載のカラーカメラであって、
各サブカメラは、撮像レンズと検出器アレイの間に別のカラーフィルタを有することを特徴とするカラーカメラ。 - 請求項1に記載のカラーカメラであって、
隣接する撮像レンズの間に遮光部品をさらに有することを特徴とするカラーカメラ。 - 請求項6に記載のカラーカメラであって、
遮光部品は、撮像レンズに近接するほど幅広く、検出器アレイに向かってより狭くなるように傾斜していることを特徴とするカラーカメラ。 - 請求項1に記載のカラーカメラであって、
各撮像レンズは、基板の第1表面上に屈折部品と、基板の第2表面上に別のレンズ部品とを有することを特徴とするカラーカメラ。 - 請求項8に記載のカラーカメラであって、
別のレンズ部品は、回折部品であることを特徴とするカラーカメラ。 - 請求項1に記載のカラーカメラであって、
各撮像レンズは、第1の基板の第1表面上に屈折部品と、第2の基板の第2表面上に別のレンズ部品とを有することを特徴とするカラーカメラ。 - 請求項10に記載のカラーカメラであって、
別のレンズ部品は、回折部品であることを特徴とするカラーカメラ。 - 請求項10に記載のカラーカメラであって、
第1および第2の基板は、一体に固定されていることを特徴とするカラーカメラ。 - カラーカメラであって、
電気的に制御可能なレンズと、
少なくとも3つのカラーの組と、
撮像レンズと、
少なくとも3つのカラーの組からなる画像を撮像レンズから受容する検出器アレイと、
検出器アレイから電気信号を受信し、検出器アレイ上の画像の位置をずらすために、個々のサブカメラの撮像レンズの中心からずれた位置に中心を有し、焦点距離を電気的に制御できる液体レンズに制御信号を順次供給し、検出器アレイからの電気信号から合成画像を形成するプロセッサとを備えたことを特徴とするカラーカメラ。 - 請求項13に記載のカラーカメラであって、
プロセッサは、合成画像の所望の解像度が得られるまで、液体レンズに印加する制御信号を変化させ、順次供給することを特徴とするカラーカメラ。 - 請求項13に記載のカラーカメラであって、
第2のカラーの組は輝度情報を含み、第1のカラーの組は色情報を含むことを特徴とするカラーカメラ。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/763,396 | 2004-01-26 | ||
US10/763,396 US7405761B2 (en) | 2003-10-01 | 2004-01-26 | Thin camera having sub-pixel resolution |
US56027304P | 2004-04-08 | 2004-04-08 | |
US60/560,273 | 2004-04-08 | ||
US10/949,807 US7773143B2 (en) | 2004-04-08 | 2004-09-27 | Thin color camera having sub-pixel resolution |
US10/949,807 | 2004-09-27 | ||
PCT/US2005/002520 WO2005072370A2 (en) | 2004-01-26 | 2005-01-26 | Thin camera having sub-pixel resolution |
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JP2011001385A Division JP2011072039A (ja) | 2004-01-26 | 2011-01-06 | サブピクセル解像度を有する薄型カメラ |
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JP2007520166A JP2007520166A (ja) | 2007-07-19 |
JP4797151B2 true JP4797151B2 (ja) | 2011-10-19 |
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JP2006551449A Active JP4797151B2 (ja) | 2004-01-26 | 2005-01-26 | サブピクセル解像度を有する薄型カメラ |
JP2011001385A Pending JP2011072039A (ja) | 2004-01-26 | 2011-01-06 | サブピクセル解像度を有する薄型カメラ |
JP2011268244A Active JP5646445B2 (ja) | 2004-01-26 | 2011-12-07 | サブピクセル解像度を有する薄型カメラ |
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JP2011001385A Pending JP2011072039A (ja) | 2004-01-26 | 2011-01-06 | サブピクセル解像度を有する薄型カメラ |
JP2011268244A Active JP5646445B2 (ja) | 2004-01-26 | 2011-12-07 | サブピクセル解像度を有する薄型カメラ |
Country Status (5)
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EP (2) | EP2315448B1 (ja) |
JP (3) | JP4797151B2 (ja) |
KR (1) | KR101227544B1 (ja) |
CN (1) | CN1934872B (ja) |
WO (1) | WO2005072370A2 (ja) |
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EP1712087B1 (en) | 2021-03-10 |
JP2011072039A (ja) | 2011-04-07 |
EP1712087A4 (en) | 2009-12-16 |
KR101227544B1 (ko) | 2013-01-31 |
EP1712087A2 (en) | 2006-10-18 |
JP2012070431A (ja) | 2012-04-05 |
CN1934872A (zh) | 2007-03-21 |
WO2005072370A3 (en) | 2005-12-08 |
CN1934872B (zh) | 2016-08-03 |
EP2315448A1 (en) | 2011-04-27 |
JP5646445B2 (ja) | 2014-12-24 |
KR20070019979A (ko) | 2007-02-16 |
EP2315448B1 (en) | 2018-03-07 |
WO2005072370A2 (en) | 2005-08-11 |
JP2007520166A (ja) | 2007-07-19 |
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