WO2012133150A1 - 撮像装置 - Google Patents
撮像装置 Download PDFInfo
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- WO2012133150A1 WO2012133150A1 PCT/JP2012/057456 JP2012057456W WO2012133150A1 WO 2012133150 A1 WO2012133150 A1 WO 2012133150A1 JP 2012057456 W JP2012057456 W JP 2012057456W WO 2012133150 A1 WO2012133150 A1 WO 2012133150A1
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- WIPO (PCT)
- Prior art keywords
- focus
- correction value
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- lens
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Classifications
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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
- G02B7/287—Systems for automatic generation of focusing signals including a sight line detecting device
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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
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
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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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/18—Signals indicating condition of a camera member or suitability of light
- G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
- H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
- H04N23/672—Focus control based on electronic image sensor signals based on the phase difference signals
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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
- H04N23/60—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
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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
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/703—SSIS architectures incorporating pixels for producing signals other than image signals
- H04N25/704—Pixels specially adapted for focusing, e.g. phase difference pixel sets
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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
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/702—SSIS architectures characterised by non-identical, non-equidistant or non-planar pixel layout
Definitions
- the present invention relates to an imaging apparatus such as a single-lens reflex camera having a function of correcting focusing information of autofocus means by a phase difference method.
- the focusing position changes depending on the durability of the lens, the camera body, and each, and the focusing accuracy may have deteriorated from the beginning.
- the lens In the case of a lens, the lens should be driven to the correct in-focus position, but there may be a case where the lens stop position shifts due to play due to durability.
- the angle of the mirror changes while the mirror is driven, and the way the light enters the AF sensor changes, and the position deviated from the correct focus position is recognized as the focus position. It may be possible to end up.
- Patent Document 1 discloses a function that can automatically correct the in-focus position of phase difference AF using a contrast method.
- Patent Document 1 the user cannot confirm the focusing accuracy after correcting the focusing position of the phase difference AF.
- An object of the present invention is to focus after the user corrects the in-focus state when obtaining a correction value for correcting the in-focus information obtained by the auto-focus means by the phase difference method using the contrast method.
- An object of the present invention is to provide an imaging apparatus capable of confirming accuracy.
- an imaging apparatus includes a first autofocus unit that obtains first focus information by a phase difference method, and a second autofocus unit that obtains second focus information by a contrast method.
- a display control means for controlling a display means capable of live view display for displaying a photographed image, the image pickup apparatus comprising: a focus means; and capable of setting a correction mode for the first focus information.
- a digital single-lens reflex camera with interchangeable lenses will be described as an imaging apparatus to which the present invention is applied.
- FIG. 7 and 8 are sectional views showing a schematic configuration of the digital single-lens reflex camera of this embodiment.
- the imaging optical system 10 accommodated in the lens 1 is composed of one or a plurality of lens groups, and the focal length and the focus position can be changed by moving all or a part of them.
- the lens driving unit 11 is a driving unit that adjusts the focus state by moving all or part of the lenses constituting the imaging optical system 10.
- the lens state detection unit 12 is a detection unit that detects the focal length of the imaging optical system 10, that is, the zoom position and the focus position.
- the lens control means 13 is a control means for controlling the entire lens 1 including the lens storage means 14 constituted by a ROM or the like.
- the contact 15 is a contact provided in the lens 1 and the camera body 2, and when they are attached to each other, various kinds of information are communicated and power is supplied through the contact 15.
- the main mirror 20 is composed of a half mirror, and can be rotated according to the operating state of the camera.
- the main mirror 20 is obliquely installed in the photographing optical path, and the light beam from the lens 1 is bent. It leads to the finder optical system described later (FIG. 7). Further, during photographing or live view, the light is retracted from the photographing optical path, and the light flux from the lens 1 is guided to the image sensor 24 described later (FIG. 8).
- the sub mirror 21 is rotated together with the main mirror 20, and when the main mirror 20 is obliquely installed on the photographing optical path, the light beam transmitted through the main mirror 20 is bent and guided to an AF sensor 22 described later (FIG. 7). At this time or during live view, it rotates with the main mirror 20 and retracts from the photographing optical path (FIG. 8).
- the AF sensor 22 includes a secondary imaging lens, an area sensor composed of a plurality of CCDs or CMOSs, and the like, and enables focus detection by a phase difference method that is a known method.
- the shutter 23 is for controlling the incidence of the light flux from the lens 1 to an image sensor 24 described later, and is normally closed (FIG. 7) and opened during shooting or live view (FIG. 8). It becomes.
- the image sensor 24 is composed of a CMOS image sensor and its peripheral circuits.
- the focus plate 30 is disposed on the primary image forming surface of the lens 1, a Fresnel lens (condenser lens) is provided on the incident surface, and a subject image (finder image) is formed on the exit surface.
- the pentaprism 31 changes the finder optical path, and corrects the subject image formed on the exit surface of the focus plate 30 to an erect image.
- the eyepiece 32 is configured so that the diopter can be adjusted according to the user's eyes when the user looks through the viewfinder.
- an optical system including the focus plate 30, the pentaprism 31, and the eyepiece lens 32 is referred to as a finder optical system.
- the AE sensor 33 is composed of a photodiode corresponding to each area in the multi-divided imaging area, and measures the luminance of the subject image formed on the exit surface of the focus plate 30.
- the camera control means 40 performs control of the camera body 2 and control of the entire camera including the lens 1, and for example, a microcomputer is used.
- the AF sensor 22 and the camera control means 40 constitute a first autofocus means (focus detection means) for obtaining first focus information by a phase difference method.
- the digital control means 41 performs various controls of image data, and for example, a memory controller is used.
- the digital control means 41 performs contrast detection of an image photographed by the image sensor 24, and determines a focus focus position (hereinafter referred to as a focus position) based on a contrast evaluation value.
- a contrast type autofocus means (focus detection means). Can be included.
- the digital control means 41 constitutes a second autofocus means (focus detection means) that obtains second focusing information by a contrast method.
- the camera storage means 42 stores settings for performing various controls, adjustment data, and the like, and a flash ROM is used.
- the liquid crystal monitor 43 displays captured images and various types of shooting information.
- the liquid crystal monitor 43 corresponds to display means for performing live view display for checking the focus state when the AF calibration mode (focus information correction mode) is set.
- a SET button and a cancel button are provided.
- an operation such as determination or selection can be performed by pressing the SET button.
- the cancel button is displayed on the liquid crystal monitor 43, the user can perform operations such as returning to the previous state or ending a specific mode by pressing the cancel button.
- the digital control means 41 is provided with calculation means for calculating a correction value based on the difference between the contrast method output and the phase difference output of the camera control means 40 calculated by the output from the AF sensor 22.
- the difference calculated by the calculation means is stored in the camera storage means 42 as a correction value.
- the camera according to the present embodiment is configured to be able to set an AF calibration mode for calculating and storing the above-described correction value.
- AF calibration a function for correcting phase difference AF (hereinafter referred to as AF calibration) will be described.
- FIG. 1 is a flowchart illustrating an AF calibration operation according to the embodiment.
- AF calibration starts by user instruction.
- the user starts AF calibration by pressing the start button 205 in FIG.
- 201 is a mode name display frame for displaying AF micro-adjustment, which is another name for AF calibration mode
- 202 is a lens name
- 203 is a scale
- 204 is a correction value index
- 206 is a cancel button.
- step S101 the subject is focused by the contrast detection method (same meaning as the contrast method).
- step S102 the camera control means 40 sends a signal to the lens control means 13 and moves the focus lens to a predetermined position through the lens driving means 11.
- step S103 the digital control means 41 is made to detect the contrast of the image signal obtained from the image sensor 24.
- step S104 the fine movement of the focus lens in step S102 and the contrast detection in step S103 are repeated until the predetermined number N is reached.
- step S105 the digital control means 41 determines the focus position where the image signal with the highest contrast among the N contrast detection results is obtained as the in-focus position, and sends a signal to the camera control means 40.
- the camera control means 40 obtains position information from the lens state detection means 12 at that time through the lens control means 13 and creates in-focus position information. That is, a high contrast evaluation value that satisfies the condition is converted into a focus position to be a focus position.
- step S106 the camera lens control unit 40 causes the AF sensor 22 to perform focus detection by phase difference AF, and drives the detection result at that time, that is, the defocus amount (defocus amount) in the in-focus direction of the focus lens.
- the value converted into the amount is added to the focus position information from the lens state detection means 12 to create in-focus position information.
- step S ⁇ b> 107 the camera control unit 40 is a focus position that is a difference between the focus position information when the focus is determined by the digital control unit 41 and the focus position information obtained from the detection result by the AF sensor 22.
- the correction value is calculated by the digital control means 41.
- step S108 the in-focus position correction value calculated by the digital control means 41 is stored in the camera storage means 42.
- step S109 the focus position information created in step S106 is corrected by the focus position correction value stored in the camera storage means 42.
- step S110 the camera control means 40 sends a signal to the lens control means 13, and moves the focus lens through the lens driving means 11 to the in-focus position corrected in step S109.
- calculation of a defocus amount (defocus amount) by phase difference AF, correction of the defocus amount (defocus amount) by the in-focus position correction value stored in the camera storage means 42, and a value after the correction The focus lens is moved by using at least twice. By performing it twice or more, it is possible to eliminate the deviation of the focus lens drive member (gear, motor, etc.) from the target position due to backlash.
- step S111 the live view display suspended in the AF calibration mode is resumed, and the live view image is displayed on the liquid crystal monitor 43.
- step S110 a live view display with a high degree of focus can be performed by moving the focus lens using the focus position correction value and performing this twice or more.
- the live view display screen at this time is as shown in Fig. 3.
- the correction value displayed on the screen is +10, as the index 204 indicates the position of +10.
- the user can confirm the correction value and the focus accuracy corresponding to the correction value by viewing the live view image screen displayed on the liquid crystal monitor 43.
- reference numeral 207 denotes a confirmation button displayed on the live view display screen. When the user presses the confirmation button 207, the correction value is determined.
- step S110 the focus lens is moved to a position where the in-focus position obtained from the phase difference AF is corrected. In this regard, it may be moved to the in-focus position obtained by the contrast detection method.
- the AF calibration flow in that case is as shown in FIG. FIG. 4 follows the flow of FIG.
- step S309 in FIG. 4 the in-focus position obtained by the contrast detection method in step S305 is stored in advance in the camera storage means 42 or RAM and acquired.
- step S310 the camera control unit 40 sends a signal to the lens control unit 13, and moves the focus lens to the in-focus position acquired in step S309 through the lens driving unit 11.
- step S310 the method of moving the lens to the in-focus position obtained by the contrast detection method has been described.
- the AF calibration corrects the phase difference AF
- the method of moving the lens to the in-focus position where the phase difference AF is corrected in step S110 is preferable.
- the live view display is generally viewed with a small rear monitor or a movable monitor attached to the camera, there is a case where the above-described decrease in the degree of focus can be tolerated.
- step 106 of FIG. 1 focus position information is acquired by the phase difference method before driving the lens after contrast detection.
- the focus position information may be acquired by the phase difference method after being brought closer to the focus position by driving the lens.
- the AF calibration flow in that case is as shown in FIG. FIG. 9 follows the flow of FIG.
- step S905 the lens is brought closer to the focus position by driving the lens (step S920).
- step S906 focus position information is created by the phase difference method.
- the accuracy of detecting the in-focus position by the phase difference method can be increased. This is because the image acquired at this timing is not blurred compared with the image acquired at the timing when the lens drive for contrast detection is completed. Therefore, it is not necessary to perform the calculation of the defocus amount (defocus amount) by the multiple phase difference AF and the correction of the defocus amount (defocus amount) multiple times performed in step S110 of the flow of FIG. . Of course, it may be performed a plurality of times as in the flow of FIG.
- step S920 after acquiring the focus position information by the phase difference method in step S920, the focus position information generated in step S906 is used as the focus position correction value stored in the camera storage unit 42 in step S909. Correct by. This is the same as step S106 in FIG.
- step S910 the camera control unit 40 sends a signal to the lens control unit 13, and moves the focus lens through the lens driving unit 11 to the in-focus position corrected in step S909.
- FIG. 5 is a flowchart for explaining that the correction value can be changed by the user.
- step S501 a series of AF calibration operations shown in FIG. 1 or FIG. 4 is executed.
- the screen when the live view is displayed in step S111 is as shown in FIG.
- step S502 the user can change the correction value.
- the user presses the correction value change button (forward direction) 208 or the correction value change button (rear direction) displayed on the screen of FIG. 6 to change the correction value to either the forward direction or the backward direction. If no change is required, the correction value is confirmed by pressing the confirmation button 207.
- the user can change the correction value while checking the subject image displayed in the live view.
- step S503 it is determined whether or not the correction value has been changed in step S501. If the correction value has been changed, the process proceeds to step S504. If the correction value has not been changed, the process proceeds to step S505.
- step S504 the camera control means 40 sends a signal to the lens control means 13 according to the amount of change of the correction value, and moves the focus lens through the lens driving means 11.
- step S505 the correction value is stored in the camera storage unit 42.
- the user confirms the focus accuracy of the phase difference AF after AF calibration by driving the lens to the focus position after correcting the focus position obtained by the phase difference AF and displaying the image at that time. Can do.
- the correction value can be changed, and the phase difference AF that reflects the user's intention can be corrected.
- AF sensor 22 and the camera control means 40 are demonstrated as a 1st autofocus means by a phase difference system, it is not limited to this. It is also possible to use an imaging surface phase difference type autofocus means in which focus detection pixels are arranged in the focus detection region of the imaging surface of the imaging device 24.
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Abstract
Description
本発明の目的は、位相差方式によるオートフォーカス手段で得られた合焦情報を、コントラスト方式を用いて補正する補正値を求める際に、ユーザーが合焦状態の補正を行った後の合焦精度の確認を行うことができる撮像装置を提供することである。
図1は、実施例のAFキャリブレーション動作を示すフローチャートである。
また、ステップS110において、位相差AFから得られた合焦位置を補正した位置にフォーカスレンズを移動した。この点、コントラスト検出方式によって得られた合焦位置に移動させてもよい。その場合のAFキャリブレーションのフローは図4のようになる。図4は、図1のフローに倣ったものである。
図1のステップ106では、コントラスト検出が終わった後のレンズ駆動の前に位相差方式で合焦位置情報を取得した。この点、ステップS105で得られたコントラスト検出方式での合焦位置情報にしたがって、当該合焦位置にレンズ駆動により近づけてから、位相差方式で合焦位置情報を取得するようにしてもよい。その場合のAFキャリブレーションのフローは図4のようになる。図9は、図1のフローに倣ったものである。
次に、AFキャリブレーション実行後に、ユーザーが補正値を変更する場合について説明する。図5は、ユーザーによる補正値の変更が可能であることを説明するフローチャートである。
24 撮像素子
40 カメラ制御手段
41 デジタル制御手段
43 液晶モニタ
207 確認ボタン
208 補正値変更ボタン(前方向)
209 補正値変更ボタン(後方向)
Claims (6)
- 位相差方式によって第1の合焦情報を得る第1のオートフォーカス手段と、コントラスト方式によって第2の合焦情報を得る第2のオートフォーカス手段とを備え、前記第1の合焦情報の補正モードを設定可能な撮像装置であって、
撮影された画像を表示するライブビュー表示可能な表示手段を制御する表示制御手段と、
前記補正モードにおいて、前記第1の合焦情報と前記第2の合焦情報との差に対応させて算出された前記第1の合焦情報の補正値により補正された前記第1の合焦情報もしくは前記第2の合焦情報に基づいて合焦状態になるようにフォーカスレンズを駆動制御する制御手段であって、前記補正モードの中で中断された前記表示制御手段による前記表示手段のライブビュー表示を再開する制御手段とを有することを特徴とする撮像装置。 - 前記第1の合焦情報は、デフォーカス量がフォーカス位置に換算されたものであり、
前記第2の合焦情報は、コントラスト評価値がフォーカス位置に換算されたものであることを特徴とする請求項1に記載の撮像装置。 - 前記表示手段は、ライブビュー表示の画面中に前記補正値を表示することを特徴とする請求項1または2に記載の撮像装置。
- 前記表示手段は、ライブビュー表示の画面中に前記補正値を確定するための確認ボタンを表示することを特徴とする請求項1ないし3のいずれか1項に記載の撮像装置。
- 前記補正値を変更する補正値変更手段を有することを特徴とする請求項1ないし4のいずれか1項に記載の撮像装置。
- 前記表示手段は、ライブビュー表示の画面中に前記補正値を変更するための補正値変更ボタンを表示することを特徴とする請求項5に記載の撮像装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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RU2013147627/28A RU2574325C2 (ru) | 2011-03-25 | 2012-03-23 | Устройство съемки изображения |
JP2013507502A JP5906235B2 (ja) | 2011-03-25 | 2012-03-23 | 撮像装置 |
CN201280016693.2A CN103460104B (zh) | 2011-03-25 | 2012-03-23 | 摄像装置 |
US13/554,865 US20120281130A1 (en) | 2011-03-25 | 2012-07-20 | Image pickup device |
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JP2011-067813 | 2011-03-25 | ||
JP2011067813 | 2011-03-25 |
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US13/554,865 Continuation US20120281130A1 (en) | 2011-03-25 | 2012-07-20 | Image pickup device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012217100A (ja) * | 2011-04-01 | 2012-11-08 | Canon Inc | 撮像装置、撮像装置の制御方法及びプログラム |
JP2016099526A (ja) * | 2014-11-21 | 2016-05-30 | キヤノン株式会社 | 撮像装置及びその制御方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014041733A1 (ja) * | 2012-09-11 | 2014-03-20 | ソニー株式会社 | 撮像装置およびフォーカス制御方法 |
JP6438671B2 (ja) * | 2014-04-10 | 2018-12-19 | オリンパス株式会社 | 焦点調節装置、カメラシステム、および撮像装置の焦点調節方法 |
US9681038B2 (en) * | 2014-09-15 | 2017-06-13 | Lg Electronics Inc. | Mobile terminal and method for setting a focal point value |
CN106556960B (zh) * | 2015-09-29 | 2019-03-12 | 宁波舜宇光电信息有限公司 | 离焦转换系数验证方法 |
EP3542218B1 (en) * | 2016-11-21 | 2021-03-17 | Nokia Technologies Oy | Method and apparatus for calibration of a camera unit |
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CN111010556B (zh) * | 2019-12-27 | 2022-02-11 | 成都极米科技股份有限公司 | 投影双向热失焦补偿的方法、装置及可读存储介质 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0763974A (ja) * | 1993-08-25 | 1995-03-10 | Kyocera Corp | オートフォーカス一眼レフカメラのフォーカス補正機構 |
JP2008203454A (ja) * | 2007-02-19 | 2008-09-04 | Canon Inc | 撮像装置及び制御方法、及びユーザーインタフェースの表示装置 |
JP2009139728A (ja) * | 2007-12-07 | 2009-06-25 | Canon Inc | 制御装置 |
JP2011085723A (ja) * | 2009-10-15 | 2011-04-28 | Canon Inc | 撮像装置および撮像装置のフォーカス制御方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3914060B2 (ja) * | 2002-02-08 | 2007-05-16 | 富士フイルム株式会社 | 合焦装置 |
JP2003295047A (ja) * | 2002-04-05 | 2003-10-15 | Canon Inc | 撮像装置および撮像システム |
JP2007324794A (ja) * | 2006-05-31 | 2007-12-13 | Olympus Imaging Corp | レンズ交換式デジタルカメラ |
JP4991462B2 (ja) * | 2007-09-14 | 2012-08-01 | キヤノン株式会社 | 画像処理装置およびその制御方法およびプログラム |
JP5111125B2 (ja) * | 2008-01-22 | 2012-12-26 | キヤノン株式会社 | 撮像装置 |
-
2012
- 2012-03-23 WO PCT/JP2012/057456 patent/WO2012133150A1/ja active Application Filing
- 2012-03-23 CN CN201280016693.2A patent/CN103460104B/zh not_active Expired - Fee Related
- 2012-03-23 JP JP2013507502A patent/JP5906235B2/ja not_active Expired - Fee Related
- 2012-07-20 US US13/554,865 patent/US20120281130A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0763974A (ja) * | 1993-08-25 | 1995-03-10 | Kyocera Corp | オートフォーカス一眼レフカメラのフォーカス補正機構 |
JP2008203454A (ja) * | 2007-02-19 | 2008-09-04 | Canon Inc | 撮像装置及び制御方法、及びユーザーインタフェースの表示装置 |
JP2009139728A (ja) * | 2007-12-07 | 2009-06-25 | Canon Inc | 制御装置 |
JP2011085723A (ja) * | 2009-10-15 | 2011-04-28 | Canon Inc | 撮像装置および撮像装置のフォーカス制御方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012217100A (ja) * | 2011-04-01 | 2012-11-08 | Canon Inc | 撮像装置、撮像装置の制御方法及びプログラム |
JP2016099526A (ja) * | 2014-11-21 | 2016-05-30 | キヤノン株式会社 | 撮像装置及びその制御方法 |
Also Published As
Publication number | Publication date |
---|---|
CN103460104B (zh) | 2016-08-10 |
CN103460104A (zh) | 2013-12-18 |
RU2013147627A (ru) | 2015-04-27 |
JP5906235B2 (ja) | 2016-04-20 |
JPWO2012133150A1 (ja) | 2014-07-28 |
US20120281130A1 (en) | 2012-11-08 |
WO2012133150A9 (ja) | 2013-01-10 |
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