JPWO2014080718A1 - 撮像装置 - Google Patents
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
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- H—ELECTRICITY
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- H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
- H04N7/0132—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter the field or frame frequency of the incoming video signal being multiplied by a positive integer, e.g. for flicker reduction
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/282—Autofocusing of zoom lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
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- 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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- G—PHYSICS
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2213/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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Abstract
Description
本出願は、2012年11月22日出願の日本特許出願(特願2012−256351)に基づくものであり、その内容はここに取り込まれる。
200 カメラ本体
1 撮影レンズ
5 固体撮像素子
11 システム制御部
12 フリッカ検出部
18 コントラストAF処理部
19 位相差AF処理部
51 撮像用画素
51R,51L 位相差検出用画素
Claims (6)
- フォーカスレンズを含む撮像光学系を介して被写体を撮像する撮像素子を有する撮像装置であって、
位相差AF方式により前記フォーカスレンズを合焦位置に制御する第一の合焦制御と、コントラストAF方式により前記フォーカスレンズを合焦位置に制御する第二の合焦制御とのいずれかを選択して実行する合焦制御部と、
フリッカを検出するフリッカ検出部と、を備え、
前記合焦制御部は、少なくとも前記フリッカ検出部によるフリッカ検出の有無にしたがって、前記第一の合焦制御と前記第二の合焦制御とのどちらを選択して実行するかを決定する撮像装置。 - 請求項1記載の撮像装置であって、
前記合焦制御部は、前記フリッカ検出部によりフリッカが検出された状態では前記第一の合焦制御を選択する撮像装置。 - 請求項1記載の撮像装置であって、
前記撮像素子は、前記撮像光学系の瞳領域の異なる部分を通過した一対の光束の一方を受光する複数の第一の位相差検出用の画素、及び、上記一対の光束の他方を受光する複数の第二の位相差検出用の画素を含み、
前記合焦制御部は、前記フリッカ検出部によりフリッカが検出された状態では、前記第一の合焦制御を行う場合に必要な前記撮像素子の露光時間が閾値以下の場合に前記第一の合焦制御を選択し、前記露光時間が前記閾値を超える場合に前記第二の合焦制御を選択し、
更に、前記合焦制御部は、前記フリッカ検出部によりフリッカが検出された状態で前記第二の合焦制御を選択する場合には、前記第二の合焦制御に必要な複数回の撮像の各々における前記撮像素子の露光時間を、前記フリッカ検出部により検出されるフリッカ周期の自然数倍に設定する撮像装置。 - 請求項1〜3のいずれか1項記載の撮像装置であって、
前記合焦制御部は、前記フリッカ検出部がフリッカを検出可能な状態になるまでの間は、前記第一の合焦制御を選択する撮像装置。 - 請求項1〜4のいずれか1項記載の撮像装置であって、
前記第一の合焦制御と前記第二の合焦制御のどちらを優先的に行うかを操作部の操作に応じて設定する合焦制御方法設定部を備え、
前記合焦制御部は、前記フリッカ検出部によりフリッカが検出されていない状態では、前記合焦制御方法設定部により設定された合焦制御を選択する撮像装置。 - フォーカスレンズを含む撮像光学系を介して被写体を撮像する撮像素子を有する撮像装置における合焦制御方法であって、
位相差AF方式により前記フォーカスレンズを合焦位置に制御する第一の合焦制御と、コントラストAF方式により前記フォーカスレンズを合焦位置に制御する第二の合焦制御とのいずれかを選択して実行する合焦制御ステップと、
フリッカを検出するフリッカ検出ステップと、を備え、
前記合焦制御ステップでは、少なくとも前記フリッカ検出ステップにおけるフリッカ検出の有無にしたがって、前記第一の合焦制御と前記第二の合焦制御とのどちらを選択して実行するかを決定する合焦制御方法。
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PCT/JP2013/078727 WO2014080718A1 (ja) | 2012-11-22 | 2013-10-23 | 撮像装置及び合焦制御方法 |
JP2014548497A JP5802846B2 (ja) | 2012-11-22 | 2013-10-23 | 撮像装置 |
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JP (1) | JP5802846B2 (ja) |
CN (1) | CN104797967B (ja) |
DE (1) | DE112013005599B4 (ja) |
WO (1) | WO2014080718A1 (ja) |
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JP6539015B2 (ja) * | 2013-12-05 | 2019-07-03 | キヤノン株式会社 | 撮像装置及びその制御方法 |
JP6501512B2 (ja) * | 2014-12-16 | 2019-04-17 | キヤノン株式会社 | フォーカス制御装置、フォーカス制御方法およびフォーカス制御プログラム |
US20160295122A1 (en) * | 2015-04-03 | 2016-10-06 | Canon Kabushiki Kaisha | Display control apparatus, display control method, and image capturing apparatus |
CN104811620B (zh) * | 2015-04-28 | 2017-10-31 | 上海与德通讯技术有限公司 | 一种对焦方法及对焦系统 |
CN104954680A (zh) * | 2015-06-16 | 2015-09-30 | 深圳市金立通信设备有限公司 | 一种摄像头对焦方法和终端 |
JP6806471B2 (ja) * | 2016-06-16 | 2021-01-06 | キヤノン株式会社 | 焦点検出装置及び方法、及び撮像装置 |
JP6811114B2 (ja) * | 2017-02-18 | 2021-01-13 | オリンパス株式会社 | 撮像装置および焦点調節方法 |
CN110764220B (zh) * | 2019-11-14 | 2020-12-08 | 中国科学院长春光学精密机械与物理研究所 | 一种变焦距镜头调焦曲线的获取方法、系统及存储介质 |
JP2022128228A (ja) * | 2021-02-22 | 2022-09-01 | キヤノン株式会社 | 撮像装置及びその制御方法、プログラム、記憶媒体 |
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JPH0815324B2 (ja) | 1987-06-10 | 1996-02-14 | キヤノン株式会社 | テレビ用固体撮像装置 |
WO2001075649A2 (en) | 2000-03-31 | 2001-10-11 | United Video Properties, Inc. | System and method for metadata-linked advertisements |
JP2002207162A (ja) | 2001-01-12 | 2002-07-26 | Minolta Co Ltd | デジタルカメラ |
JP3989261B2 (ja) * | 2002-02-19 | 2007-10-10 | オリンパス株式会社 | デジタルカメラ |
JP4042710B2 (ja) * | 2004-02-25 | 2008-02-06 | カシオ計算機株式会社 | オートフォーカス装置及びそのプログラム |
JP2006084556A (ja) * | 2004-09-14 | 2006-03-30 | Pentax Corp | 焦点検出装置 |
JP4640614B2 (ja) | 2006-05-09 | 2011-03-02 | ソニー株式会社 | 撮像装置 |
JP4847243B2 (ja) * | 2006-07-25 | 2011-12-28 | キヤノン株式会社 | 焦点調節装置、及び撮像装置 |
JP5276308B2 (ja) * | 2007-11-21 | 2013-08-28 | キヤノン株式会社 | 撮像装置およびその制御方法 |
JP5424679B2 (ja) | 2009-03-18 | 2014-02-26 | キヤノン株式会社 | 撮像装置及び信号処理装置 |
JP5183565B2 (ja) * | 2009-05-11 | 2013-04-17 | キヤノン株式会社 | 撮像装置 |
JP5473493B2 (ja) * | 2009-08-31 | 2014-04-16 | キヤノン株式会社 | 撮像装置及びその制御方法 |
JP5396566B2 (ja) * | 2011-03-30 | 2014-01-22 | 富士フイルム株式会社 | 撮像装置及びそのオートフォーカス制御方法 |
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US20150256792A1 (en) | 2015-09-10 |
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US9497410B2 (en) | 2016-11-15 |
DE112013005599T5 (de) | 2015-10-22 |
WO2014080718A1 (ja) | 2014-05-30 |
DE112013005599B4 (de) | 2022-06-15 |
CN104797967A (zh) | 2015-07-22 |
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