WO2022158280A1 - 撮影装置、撮影制御方法、及び、プログラム - Google Patents
撮影装置、撮影制御方法、及び、プログラム Download PDFInfo
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- WO2022158280A1 WO2022158280A1 PCT/JP2021/048960 JP2021048960W WO2022158280A1 WO 2022158280 A1 WO2022158280 A1 WO 2022158280A1 JP 2021048960 W JP2021048960 W JP 2021048960W WO 2022158280 A1 WO2022158280 A1 WO 2022158280A1
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- tracking
- start position
- focus
- function
- imaging device
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- 238000003384 imaging method Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000005516 engineering process Methods 0.000 abstract description 17
- 230000006870 function Effects 0.000 description 140
- 238000003825 pressing Methods 0.000 description 54
- 238000010586 diagram Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 210000001747 pupil Anatomy 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
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Classifications
-
- 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
- H04N23/675—Focus control based on electronic image sensor signals comprising setting of focusing regions
-
- 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
-
- 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
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
-
- 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
- H04N23/62—Control of parameters via user interfaces
Definitions
- the present technology relates to a photographing device, a photographing control method, and a program, and particularly relates to a photographing device, a photographing control method, and a program that track a subject.
- an imaging device stores a tracking start position by moving a tracking start frame before tracking, and starts tracking from the tracking start position that was stored before tracking after the end of tracking. For example, if the tracking target is lost due to being hidden behind another subject during tracking, tracking is resumed from the tracking start position stored before tracking (see, for example, Patent Document 1).
- This technology was developed in view of this situation, and enables tracking to be resumed from an appropriate position after tracking ends.
- An imaging device includes a focus control unit that tracks a tracking target and controls a tracking function that keeps the tracking target in focus, and moves a tracking start position during tracking based on a predetermined condition. and a setting unit for causing the
- a shooting control method tracks a tracking target, controls a tracking function that keeps the tracking target in focus, and moves a tracking start position during tracking based on a predetermined condition.
- a program tracks a tracking target, controls a tracking function that keeps the tracking target in focus, and causes a computer to perform processing for moving a tracking start position during tracking based on a predetermined condition. let it run.
- a tracking target is tracked, a tracking function that keeps the tracking target in focus is controlled, and a tracking start position is moved during tracking based on a predetermined condition.
- FIG. 4 is a diagram showing an example of zones of a focus area;
- FIG. 4 is a diagram for explaining a first example of a method of moving a tracking start position;
- FIG. 10 is a diagram for explaining a second example of a method of moving the tracking start position;
- FIG. 11 is a diagram for explaining a third example of a method of moving the tracking start position; 4 is a flowchart for explaining focus standard processing;
- FIG. 10 is a diagram showing a first example of a screen for setting the OFF while pressing function;
- FIG. 10 is a diagram showing a second example of a setting screen for the OFF while pressing function;
- FIG. 10 is a diagram for explaining a first example of a method of setting a tracking position when tracking fails;
- FIG. 11 is a diagram for explaining a second example of a method of setting a tracking position when tracking fails;
- FIG. 11 is a diagram for explaining a third example of a method of setting a tracking position when tracking fails;
- Embodiment >> An embodiment of the present technology will be described with reference to FIGS. 1 to 14. FIG.
- FIG. 1 is a block diagram showing an embodiment of an imaging device 1 to which the present technology is applied.
- the imaging device 1 includes a processor 11, an optical unit 12, an image sensor 13, an operation unit 14, a sensing unit 15, a display unit 16, a storage unit 17, a communication unit 18, an external interface (I/F) 19, and a drive 20. Prepare.
- the processor 11 through drive 20 are connected to a bus and perform necessary communication with each other.
- the processor 11 includes processors such as a CPU (Central Processing Unit), an MPU (Micro Processing Unit), and a GPU (Graphics Processing Unit).
- the processor 11 performs various processes by executing programs installed in the storage unit 17 .
- the optical unit 12 includes an optical element such as a lens, and forms an image of incident light from a subject on the light receiving surface of the imaging element 13 .
- the imaging element 13 is configured by, for example, a CMOS image sensor or the like.
- the imaging device 13 captures the image of the subject formed by the optical unit 12, and outputs the obtained image data onto the bus.
- the operation unit 14 is composed of physical keys (including a keyboard), a mouse, a touch panel, and the like.
- the operation unit 14 outputs an operation signal corresponding to the user's operation onto the bus.
- the sensing unit 15 includes various sensors, and outputs sensor data output from each sensor onto the bus.
- the sensing unit 15 includes, for example, sensors for detecting movement of the imaging device 1, such as an acceleration sensor, an angular velocity sensor, a geomagnetic sensor, a GNSS (Global Navigation Satellite System) receiver, and the like.
- sensors for detecting movement of the imaging device 1 such as an acceleration sensor, an angular velocity sensor, a geomagnetic sensor, a GNSS (Global Navigation Satellite System) receiver, and the like.
- GNSS Global Navigation Satellite System
- the display unit 16 is composed of, for example, a touch panel, etc., and displays an image according to data supplied from the bus.
- the touch panel as the operation unit 14 is made of a transparent member and can be configured integrally with the display unit 16 .
- the user can input information by operating icons, buttons, and the like displayed on the display unit 16 .
- the storage unit 17 has, for example, a volatile memory, and temporarily stores programs executed by the processor 11 and necessary data.
- the storage unit 17 includes, for example, a hard disk or nonvolatile memory, and stores programs executed by the processor 11 and necessary data.
- the communication unit 18 includes a communication circuit, an antenna, etc., and communicates with various external devices.
- the external I/F 19 is an interface for exchanging data with various external devices.
- the drive 20 is capable of attaching and detaching a removable medium 20A such as a memory card, and drives the removable medium 20A attached there.
- a removable medium 20A such as a memory card
- the program executed by the processor 11 can be recorded in the storage unit 17 in advance.
- the program can be stored (recorded) in the removable medium 20A, provided as so-called package software, and installed in the imaging device 1 from the removable medium 20A.
- the program can be downloaded from a server (not shown) or the like via the communication unit 18 and installed in the imaging device 1 .
- the processor 11 executes a program installed in the imaging device 1 to perform an image processing unit 31, a recognition unit 32, a setting unit 33, a focus control unit 34, an imaging control unit 35, a display control unit 36, and communication control. Part 37 is realized.
- the image processing unit 31 performs various types of image processing (for example, noise removal, etc.) on the image data obtained by the imaging device 13 .
- the image processing unit 31 outputs image data after image processing onto the bus.
- the recognition unit 32 performs recognition processing of various subjects in the image based on the image data after image processing by the image processing unit 31 .
- the recognition unit 32 recognizes the type, position, movement, etc. of the subject in the image.
- the setting unit 33 performs various setting processes for the photographing device 1 based on the operation signal from the operation unit 14 and the result of subject recognition processing by the recognition unit 32 .
- the setting unit 33 performs processing for setting a tracking start position, which is a reference position for starting tracking, when executing a tracking function that tracks an in-focus subject (tracking target) and keeps the focus on. .
- the focus control unit 34 controls the focus of the photographing device 1 by controlling the optical unit 12 based on the setting state of the photographing device 1 by the setting unit 33, the operation signal from the operation unit 14, and the like.
- the focus control unit 34 controls AF (Auto Focus) for automatically focusing on a subject within the angle of view and the tracking function described above.
- the photographing control unit 35 controls the photographing of the subject by controlling the optical unit 12 and the image sensor 13 based on the setting state of the photographing apparatus 1 by the setting unit 33, the operation signal from the operation unit 14, and the like. .
- the display control unit 36 controls the display of the display unit 16.
- the display control unit 36 can display a through image based on image data obtained by the imaging device 13 and subjected to image processing by the image processing unit 31, an image based on image data stored in the storage unit 17 or the removable medium 20A, and a , and controls the display by the display unit 16 of various setting screens and the like.
- the communication control unit 37 controls communication by the communication unit 18.
- FIG. 2 is a perspective view of the photographing device 1 as seen from the rear.
- FIG. 3 is an enlarged view of the multi-selector 54 of the photographing device 1.
- FIG. 4A and 4B are a front perspective view of the photographing apparatus 1 with the lens unit 71 attached, and a side view of the tip of the lens unit 71.
- FIG. 4A and 4B are a front perspective view of the photographing apparatus 1 with the lens unit 71 attached, and a side view of the tip of the lens unit 71.
- the photographing device 1 includes a monitor 51, a shutter button 52, an AF button 53, a multi-selector 54, a function button 55, a control wheel 56, an AEL button 57, and custom buttons 58 to 61.
- the lens unit 71 has a lens button 81 .
- the monitor 51 is arranged at the lower left of the rear surface of the photographing device 1 .
- the monitor 51 is configured by a touch panel, for example, and constitutes a part of the operation section 14 and the display section 16 .
- the monitor 51 displays a through image based on image data obtained by the imaging device 13 and subjected to image processing by the image processing unit 31, an image based on image data stored in the storage unit 17 or the removable medium 20A, and , to display various setting screens.
- the user can perform various operations on the monitor 51, which is a touch panel.
- the user can move the focus area frame to the touched position by touching the monitor 51 .
- a focus area frame is a frame displayed on the monitor 51 to indicate the focus area.
- the shutter button 52 is arranged at the right front corner of the top surface of the photographing device 1 .
- the shutter button 52 can be half-pressed and fully-pressed. AF is executed by half-pressing the shutter button 52 . Further, when the tracking function is set to ON, the tracking function is executed by half-pressing the shutter button 52 . By fully pressing the shutter button 52, a still image or moving image is captured, and the obtained image data is stored in the storage unit 17 or the removable medium 20A.
- the AF button 53 is arranged near the upper right corner of the monitor 51 on the back of the imaging device 1 . AF is executed by pressing the AF button 53 . Further, when the tracking function is set to ON, the tracking function is executed by pressing the AF button 53 .
- the multi-selector 54 is arranged on the right side of the monitor 51 and below the AF button 53 .
- the multi-selector 54 as shown in FIG. 3, is composed of a lever-shaped button, and can be pressed in the center or tilted up, down, left, or right.
- the focus standard function is assigned in advance to the center of the multi-selector 54 .
- the focus standard function is, for example, a function that allows the focus area to be moved or the like simply by pressing a button to which the focus standard is assigned. Further, for example, the user can move the focus area frame displayed on the monitor 51 by tilting the multi-selector 54 up, down, left, or right.
- the function button 55 is arranged on the right side of the monitor 51 and below the multi-selector 54.
- the function button 55 is used to display a function menu on the monitor 51, for example.
- the control wheel 56 is arranged on the right side of the monitor 51 and below the function buttons 55 .
- the control wheel 56 can be operated by pressing the center button, rotating the surrounding wheels, and pressing the top, bottom, left, and right of the wheel.
- the control wheel 56 is used, for example, to operate various menus displayed on the monitor 51 .
- the AEL button 57 is arranged near the upper right corner of the imaging device 1 .
- the AEL button is used, for example, to operate an AE (exposure) lock function.
- the custom button 58 and the custom button 59 are arranged side by side behind the shutter button 52 on the top surface of the photographing device 1 .
- the custom button 60 is arranged near the upper left corner of the monitor 51 on the back of the imaging device 1 .
- the custom button 61 is arranged near the lower right corner on the back of the imaging device 1 .
- the lens button 81 (FIG. 4) is arranged slightly behind the tip of the lens unit 71 and slightly lower on the left side surface.
- the custom buttons 58 to 61 and the lens button 81 are not set for specific uses, and can be assigned desired functions by the user.
- the AF button 53, the center of the multi-selector 54, the function button 55, the center button of the control wheel 56, the left, right, and bottom wheels of the control wheel 56, and the AEL button 57 are assigned in advance by the user. You can assign any desired function other than the functions provided.
- Buttons to which the user can assign desired functions are hereinafter referred to as custom keys.
- the user can assign a focus standard function to any custom key, or a hold-while-off function as described below.
- a custom key to which the focus standard function is assigned is hereinafter referred to as a focus standard key.
- a custom key to which an off-while-press function is assigned is hereinafter referred to as an off-while-press key.
- the imaging device 1 has, for example, four types of focus modes: single AF (Auto Focus), continuous AF (Auto Focus), DMF (Direct Manual Focus), and MF (Manual Focus).
- Single AF is a mode in which the subject within the focus area is automatically focused, and the focus position is fixed when the focus is achieved.
- Continuous AF is a mode in which focusing is continued while AF is being performed (for example, while the shutter button 52 is half-pressed or the AF button 53 is pressed).
- the focus position moves according to the movement of the focused subject.
- the tracking function can be used. By setting the tracking function to ON, the tracking target is tracked, and the tracking target is kept in focus. Even if the focus mode is set to continuous AF mode, if the tracking function is set to off, for example, if another subject appears closer than the focused subject, Focus shifts to another subject.
- DMF is a mode in which the user can manually fine-tune the focus position after focusing with AF.
- MF is a mode in which focusing is performed manually.
- the photographing device 1 can set five types of focus areas: wide, zone, center, flexible spot, and extended flexible spot.
- the entire display range of the monitor 51 is set as the focus area. Then, AF is performed on the imaging range corresponding to the entire display range of the monitor 51 .
- the display range (that is, the shooting range (angle of view)) of the monitor 51 is divided into zones Z1 to Z9, which are specified by the user. zone is set as the focus area. Then, AF is executed for the photographing range corresponding to the designated zone. It should be noted that if focusing fails within the specified zone, the entire display range of the monitor 51 is set as the focus area.
- the focus area When the focus area is set at the center, the vicinity of the center of the monitor 51 is set as the focus area. Then, AF is performed on a photographing range corresponding to the vicinity of the center of the monitor 51 as a target. It should be noted that if focusing fails near the center of the monitor 51, the entire display range of the monitor 51 is set as the focus area.
- a focus area frame is displayed on the monitor 51 .
- a user can move the focus area frame to a desired position within the monitor 51 .
- the inside of the focus area frame is set as the focus area, and AF is performed on the shooting range corresponding to the focus area frame. Note that if focusing fails within the focus area frame, the entire display range of the monitor 51 is set as the focus area.
- a focus area frame is displayed on the monitor 51 in the same way as when it is set to the flexible spot.
- a user can move the focus area frame to a desired position within the monitor 51 .
- the inside of the focus area frame is set as the focus area, and AF is performed on the shooting range corresponding to the focus area frame.
- a predetermined range around the focus area frame is set as the focus area.
- AF is performed on a shooting range corresponding to a predetermined range around the focus area frame. If focusing fails within a predetermined range around the focus area frame, the entire display range of the monitor 51 is set as the focus area.
- the tracking function is set to ON, regardless of the focus area setting, after focusing, the focus position will move according to the movement of the tracking target.
- the flexible spot and the extended flexible spot are collectively referred to as the spot system.
- the face/eye priority AF function is a function that preferentially focuses on the face or eyes within the focus area.
- the face/eye priority AF function when the face/eye priority AF function is set to ON and an eye is recognized within the focus area, the recognized eye is brought into focus. Note that when a plurality of pupils are recognized, one of the pupils is brought into focus based on a predetermined condition.
- the recognized face is brought into focus. Note that when a plurality of faces are recognized, one of the faces is brought into focus based on a predetermined condition.
- the tracking start position is a position where the focus is adjusted and tracking is started when tracking is started.
- the tracking start position can be set both before and during tracking.
- FIG. 6 to 8 show examples in which the focus area is set to a spot system. 6 to 8, a through image (not shown) is displayed on the monitor 51, and the focus area frame Fa and the focus frame Fb are superimposed on the through image.
- FIG. 6 shows an example in which the tracking start position can be set at the tracking position where the tracking target is in focus during tracking.
- FIG. 6A shows a display example of the monitor 51 before tracking.
- a focus area frame Fa is displayed on the monitor 51 .
- the user can move the focus area frame Fa to any position within the monitor 51 by using the multi-selector 54 or touching the monitor 51 .
- the focus area frame Fa indicates the area targeted for AF execution and also indicates the tracking start position. That is, when the AF is executed, after the subject within the range of the focus area frame Fa is focused, the focused subject is set as the tracking target, and the focus position is moved according to the movement of the tracking target.
- the setting unit 33 sets the position of the focus area frame Fa as the tracking start position.
- FIG. 6B shows a display example of the monitor 51 at the start of tracking.
- the subject within the focus area frame Fa is focused, and a focus frame Fb indicating the focused position is displayed.
- the focus area frame Fa remains displayed.
- FIG. 6C shows a display example of the monitor 51 during tracking.
- the focus frame Fb moves according to the movement of the tracking target. Therefore, the focus frame Fb indicates the tracking position, which is the position where the focus is moved according to the movement of the tracking target. At this time, the focus area frame Fa remains at the same position without moving.
- FIG. 6D shows a display example of the monitor 51 when the user performs a predetermined operation during tracking (for example, when the focus standard key is pressed).
- the focus area frame Fa moves to the position of the focus frame Fb when the user performs the predetermined operation.
- the setting unit 33 sets the position where the focus area frame Fa is displayed as the tracking start position.
- the user can easily move the reference position (tracking start position) for resuming tracking after the end of tracking to the current tracking position.
- the focus area when the focus area is set to a zone, when the user performs a predetermined operation during tracking (for example, when the focus standard key is pressed), the focus area is set to the zone where the center of the focus frame Fb exists. Moving. For example, in the case of FIG. 6, the center of the focus frame Fb when the user performs the predetermined operation is within zone Z4 in FIG. 5, so the focus area moves to zone Z4. Then, the setting unit 33 sets the zone Z4 as the tracking start position.
- the user can easily move the reference position (tracking start position) for resuming tracking after the end of tracking to the zone containing the current tracking position.
- FIG. 7 shows an example in which the tracking start position can be set to any position during tracking.
- FIGS. 7A to 7C show examples similar to those of FIGS. 6A to 6C, and the description thereof will be omitted.
- the user can move the focus area frame Fa to any position within the monitor 51 by using the multi-selector 54 or touching the monitor 51 during tracking.
- the user can move the focus area frame Fa to a position different from the focus frame Fb, as shown in FIG. 7D.
- the setting unit 33 sets the position of the focus area frame Fa as the tracking start position.
- the user can easily move the reference position (tracking start position) for resuming tracking after the end of tracking to a specified position during tracking.
- the setting unit 33 sets the zone specified by the user as the tracking start position.
- the user can easily move the reference position (tracking start position) for resuming tracking after the end of tracking to the specified zone.
- FIG. 8 shows an example in which the tracking start position automatically moves to the tracking position when tracking ends.
- FIGS. 8A to 8C show examples similar to those of FIGS. 6A to 6C, and the description thereof will be omitted.
- FIG. 8D shows a display example of the monitor 51 at the end of tracking.
- the focus control unit 34 ends tracking when the tracking target is lost, focusing fails, or AF is set to OFF.
- the focus frame Fb disappears and the focus area frame Fa moves to the position where the focus frame Fb was displayed at the end of tracking.
- the setting unit 33 sets the position where the focus area frame Fa is displayed as the tracking start position.
- the reference position (tracking start position) for resuming tracking after the end of tracking automatically moves to the tracking position at the end of tracking.
- the focus area moves to the zone where the center of the focus frame Fb exists when tracking ends.
- the center of the focus frame Fb at the end of tracking exists within zone Z4 in FIG. 5, so the focus area moves to zone Z4.
- the setting unit 33 sets the zone Z4 as the tracking start position.
- the reference position (tracking start position) for resuming tracking after the end of tracking automatically moves to the zone containing the tracking position at the end of tracking.
- the function of automatically moving the tracking start position to the tracking position at the end of tracking can be set on or off in advance by the user, for example.
- the setting unit 33 may control the movement of the tracking start position at the end of tracking based on the type of subject recognized by the recognition unit 32. Specifically, the setting unit 33 satisfies at least one condition of a case where a predetermined type of subject is recognized by the recognition unit 32 and a case where the recognition unit 32 does not recognize a predetermined type of subject. Based on this, the movement of the tracking start position at the end of tracking may be controlled.
- the setting unit 33 moves the tracking start position to the tracking position when the recognition unit 32 recognizes a predetermined type of subject at the end of tracking.
- the setting unit 33 moves the tracking start position to the tracking position if the recognition unit 32 does not recognize the predetermined type of subject at the end of tracking.
- the recognition unit 32 if the recognition unit 32 has recognized the first type of subject or if the recognition unit 32 has not recognized the second type of subject at the end of tracking, the setting unit 33 sets the tracking start position to the tracking start position. to the tracking position.
- the function of controlling the movement of the tracking start position at the end of tracking based on the type of the recognized subject can be set on or off in advance by the user, for example.
- the types of subjects that are the conditions for this function for example, people, animals, birds, cars, etc. are assumed. Furthermore, the type of subject may be classified into detailed parts of the object (for example, human face, animal eyes, etc.).
- the user may be able to set the type of subject that is the condition for the function. For example, the user may select the subject type that is the condition for the function from among a plurality of candidates.
- the setting method in FIG. 6 and the setting method in FIG. 7 can be combined.
- the user can move the tracking start position to the tracking position by pressing the focus standard key (for example, the center of the multi-selector 54) during tracking.
- the user can move the tracking start position to a specified position by tilting the multi-selector 54 up, down, left, or right, or by touching the monitor 51 .
- the setting method of FIG. 6 or 7 and the setting method of FIG. 8 cannot be combined. This is because even if the tracking start position is moved by the setting method shown in FIG. 6 or 7 during tracking, the tracking start position automatically moves to the tracking position when tracking ends by the setting method shown in FIG.
- the user may be allowed to set the ON method among the setting methods shown in FIGS.
- the user can turn on the setting method of FIG. 6 and the setting method of FIG. 7 at the same time, but the setting method of FIG. 6 or 7 and the setting method of FIG. 8 cannot be turned on at the same time.
- the setting method of FIG. 8 becomes effective.
- the predetermined type of subject is not recognized, at least one of the setting methods of FIGS. 6 and 7 is effective.
- the setting method of FIG. 8 is effective. become.
- at least one of the setting methods of FIGS. 6 and 7 becomes effective.
- the focus area frame is displayed during tracking in the same display mode as before tracking as shown in B and C of FIG. be.
- the number of frames displayed on the monitor 51 may increase, making it difficult to see the subject.
- the display control unit 36 may change the display mode of the focus area frame before tracking and during tracking.
- the display control unit 36 may change the color of the focus area frame to an inconspicuous color (eg, translucent, gray, etc.) during tracking.
- the display control unit 36 may change the shape of the focus area frame during tracking.
- the display control unit 36 may stop displaying the focus area frame (delete the focus area frame) during tracking based on user settings. In this case, for example, if the focus area frame (tracking start position) moves during tracking (for example, if an operation to move the focus area frame is performed, or if the focus area frame moves to the tracking position), temporarily display the focus area frame.
- step S1 the setting unit 33 determines whether the focus area is set to a spot system or a zone. If it is determined that the focus area is set to the spot system or zone, the process proceeds to step S2.
- step S2 the setting unit 33 determines whether tracking is in progress. If it is determined that tracking is in progress, the process proceeds to step S3.
- step S3 the setting unit 33 moves the focus area to the tracking position.
- the setting unit 33 moves the focus area frame to the current position of the focus frame as described above with reference to FIG.
- the setting unit 33 moves the focus area to the zone where the center of the current focus frame exists.
- the user can easily move the focus area, that is, the position where tracking is resumed after the end of tracking, to the tracking position by pressing the focus standard key during tracking.
- step S2 determines whether tracking is not being performed. If it is determined in step S2 that tracking is not being performed, the process proceeds to step S4.
- step S ⁇ b>4 the setting unit 33 moves the focus area to the center of the monitor 51 .
- the setting unit 33 moves the focus area frame to the center of the monitor 51 when the focus area is set to the spot system.
- the setting unit 33 moves the focus area to zone Z5 in FIG.
- the user can move the focus area to the center of the monitor 51 by pressing the focus standard key when tracking is not being performed. Therefore, when the tracking function is set to ON, the tracking start position moves to the center of the monitor 51 .
- step S1 determines in step S1 that the focus area is set to wide or center. If the setting unit 33 determines in step S1 that the focus area is set to wide or center, the process proceeds to step S5.
- step S5 the setting unit 33 determines whether or not another function is assigned to the focus standard key. If it is determined that another function is assigned to the focus standard key, the process proceeds to step S6.
- step S6 the imaging device 1 executes the assigned function. For example, if a function to temporarily turn on the tracking function is assigned, the tracking function is set to on until the focus standard key is pressed again. For example, when a function to temporarily turn on AF is assigned, AF is performed while the focus standard key is pressed.
- step S5 determines whether other function is assigned to the focus standard key. If it is determined in step S5 that no other function is assigned to the focus standard key, the process of step S5 is skipped and the focus standard process ends.
- the off-while-press function is a function that temporarily turns off at least one of the tracking function and face/eye priority AF function by pressing a custom key to which the off-while-press function is assigned (off-while-press key). be.
- FIGS. 10 and 11 show examples of setting screens for the off-while-pressing function displayed on the monitor 51.
- FIG. 10 and 11 show examples of setting screens for the off-while-pressing function displayed on the monitor 51.
- the off-while-pressing function is classified into 6 types according to the combination of the operation method and the function to turn off.
- the off function while pressing is the tracking off function while pressing, the tracking off function when pressing again, the tracking while pressing and face/eye priority AF off function, the tracking when pressing again and face/eye priority AF off function, the face while pressing /eye priority AF off function, and re-press face/eye priority AF off function.
- FIG. 10 shows an example of a setting screen that displays a selectable list of 6 types of off-hold functions.
- the tracking OFF function while pressing is set to ON. If the track-while-off function is set to ON, the tracking function is turned off while the OFF-while-press key is pressed.
- the re-press tracking off function When “re-press tracking off” is selected, the re-press tracking off function is set to on. When the re-press tracking off function is set to on, the tracking function is turned off from when the off-while-press key is pressed until it is pressed again.
- the tracking while pressing and face/eye priority AF off function are set to ON.
- the tracking function and the face/eye priority AF function are turned off while the OFF while pressing key is pressed.
- the re-press tracking and face/eye priority AF off function are set to on.
- the tracking function and the face/eye priority AF function are turned off from when the OFF key is pressed until it is pressed again.
- the face/eye priority AF off function When "face off while pressed" is selected, the face/eye priority AF off function is set to ON while pressed. When the face/eye priority AF off function is set to on while the key is pressed, the face/eye priority AF function is turned off while the off key is pressed.
- the repressed face/eye priority AF off function is set to on.
- the re-pressing face/eye priority AF OFF function is set to ON, the face/eye priority AF function is OFF from when the OFF key is pressed until it is pressed again.
- a radio button is displayed that allows you to select one of the items “during pressing” and “re-pressing”. If “hold while” is selected, the off while hold function will be executed while the off while hold key is pressed. On the other hand, if “re-press” is selected, the off-while-press function is executed from when the off-while-press key is pressed until it is pressed again.
- check boxes are displayed that allow selection of either or both of "tracking OFF" and “face/eye priority OFF”. If “tracking OFF” is selected, the tracking function will be turned off while the off while pressing function is being performed. When “face/eye priority OFF” is selected, the face/eye priority AF function is turned off while the OFF while pressing function is being executed.
- the imaging device 1 has a face priority AF function or an eye priority AF function instead of the face/eye priority AF function, the face priority AF function or the eye priority AF function is temporarily turned off by the above function.
- the face-priority AF function is a function that preferentially focuses on a face within a focus area.
- the pupil-priority AF function is a function that gives priority to focusing on the pupil within the focus area.
- FIG. 12 shows an example of shooting a boxing match between boxer 101 and boxer 102 .
- the focus frame Fb is displayed at the position of the face of the boxer 101, and the face of the boxer 101 is tracked.
- the focus control unit 34 cannot track the face of the boxer 101.
- a position different from the face of the boxer 101 is focused, and the focus frame Fb is displayed at that position.
- the tracking function and the face/eye priority AF function are temporarily turned off.
- AF is executed for the range of the focus area frame, and the subject within the focus area frame is brought into focus. Therefore, for example, the user can quickly refocus on the face of the boxer 101 by setting the focus area frame Fa at the position shown in FIG. 12C during tracking.
- FIG. 13 shows an example in which a sumo wrestling match between wrestlers 121 and 122 is being filmed.
- the focus frame Fb is displayed at the position of the face of the sumo wrestler 121, and the face of the sumo wrestler 121 is tracked.
- the tracking function and the face/eye priority AF function are temporarily turned off.
- AF is executed for the range of the focus area frame, and the subject within the focus area frame is brought into focus. Therefore, for example, the user can quickly refocus on the wrestler 121's face by setting the focus area frame Fa at the position shown in FIG. 13C during tracking.
- FIG. 14 shows an example in which a running dog 141 is photographed and the right eye of the dog 141 is tracked.
- FIG. 14A tracking of the dog 141's right eye has failed, and the focus frame Fb has shifted to a position different from that of the dog 141's right eye.
- a focus area frame Fa is arranged on the right eye of the dog 141 .
- the tracking function and the face/eye priority AF function are temporarily turned off.
- the focus frame Fb disappears, and AF is performed within the range of the focus area frame Fa.
- FIG. 14C the right eye of dog 141 can be refocused quickly.
- users of the photographing apparatus 1 are divided into users who half-press the shutter button 52 and users who press the AF button 53 when executing the AF function.
- the user who presses the AF button 53 presses the focus standard key and the OFF key while pressing with the thumb or index finger of the right hand. Therefore, it is desirable to assign the focus standard key and the off-while-pressing key to any one of the custom keys on the top surface and the back surface of the photographing apparatus 1 excluding the custom button 60 . In particular, it is desirable to assign the focus standard key to the center of the multi-selector 54 .
- the user can move the tracking start position not only before tracking but also during tracking.
- the tracking start position not only before tracking but also during tracking.
- the display mode of the focus frame indicating the focus position and tracking position and the focus area frame indicating the focus area and tracking start position described above are examples, and can be changed as necessary.
- a display mode other than a frame may be used.
- the display mode may be changed between showing the focus position and showing the tracking position.
- the display mode may be changed depending on whether the focus area is indicated or the tracking position is indicated.
- This technology can also be applied to, for example, a photographing device with a photographing function, such as a smartphone, tablet terminal, or mobile phone.
- the series of processes described above can be executed by hardware or by software.
- a program that constitutes the software is installed in the computer.
- the computer includes, for example, a computer built into dedicated hardware and a general-purpose personal computer capable of executing various functions by installing various programs.
- the program executed by the computer may be a program that is processed in chronological order according to the order described in this specification, or may be executed in parallel or at a necessary timing such as when a call is made. It may be a program in which processing is performed.
- this technology can take the configuration of cloud computing in which one function is shared by multiple devices via a network and processed jointly.
- each step described in the flow chart above can be executed by a single device, or can be shared and executed by a plurality of devices.
- one step includes multiple processes
- the multiple processes included in the one step can be performed by one device or shared by multiple devices.
- a focus control unit that tracks a tracking target and controls a tracking function that keeps the tracking target in focus; and a setting unit that moves a tracking start position during tracking based on a predetermined condition.
- the setting unit moves the tracking start position during tracking based on a user operation.
- the setting unit moves the tracking start position to a tracking position when a first user operation is performed during tracking.
- the setting unit moves the tracking start position to a position specified by a second user operation during tracking.
- the setting unit divides an imaging range into a plurality of zones, and moves the tracking start position to the zone including the tracking position when the first user operation is performed; Imaging device as described.
- the setting unit based on at least one condition of a case where the recognition unit recognizes a first type of subject and a case where the recognition unit does not recognize a second type of subject, (9) The photographing device according to (9), which controls the movement of the tracking start position at the end of tracking. (11) (10), wherein the setting unit sets the type of subject selected by the user as the first type of subject or the second type of subject. (12) The photographing apparatus according to any one of (1) to (11), further comprising a display control unit that controls display of the tracking start position superimposed on the through image. (13) (12) The photographing device according to (12), wherein the display control unit changes a display mode of the tracking start position before tracking and during tracking.
- Tracking a tracking target and controlling a tracking function that keeps the tracking target in focus A photographing control method for moving a tracking start position during tracking based on a predetermined condition.
- Tracking a tracking target and controlling a tracking function that keeps the tracking target in focus A program for causing a computer to execute processing to move the tracking start position during tracking based on predetermined conditions.
Abstract
Description
1.実施の形態
2.変形例
3.その他
図1乃至図14を参照して、本技術の実施の形態について説明する。
図1は、本技術を適用した撮影装置1の一実施の形態を示すブロック図である。
次に、図2乃至図4を参照して、操作部14に含まれ、撮影装置1のAF及び追尾機能の操作に用いられる操作部材について説明する。
次に、撮影装置1のAF機能の詳細について説明する。
撮影装置1は、例えば、シングルAF(Auto Focus)、コンティニュアスAF(Auto Focus)、DMF(Direct Manual Focus)、及び、MF(Manual Focus)の4種類のフォーカスモードを備えている。
例えば、撮影装置1では、ワイド、ゾーン、中央、フレキシブルスポット、及び、拡張フレキシブルスポットの5種類のフォーカスエリアの設定が可能である。
顔/瞳優先AF機能とは、フォーカスエリア内において、顔又は瞳を優先してピントを合わせる機能である。
撮影装置1では、フォーカスエリアがゾーン又はスポット系に設定されており、追尾機能がオンに設定されている場合、追尾開始位置を設定することが可能である。追尾開始位置とは、追尾開始時に、ピントが合わせられ、追尾が開始される位置である。追尾開始位置は、追尾前及び追尾中のいずれにおいても設定することが可能である。
次に、図9のフローチャートを参照して、フォーカススタンダードキーが押下された場合の処理(フォーカススタンダード処理)について説明する。
次に、図10及び図11を参照して、押す間オフ機能について説明する。
次に、図12乃至図14を参照して、押す間トラッキング及び顔/瞳優先AFオフ機能の使用例について説明する。
次に、フォーカススタンダードキー及び押す間オフキーの割り当て例について説明する。
以下、上述した本技術の実施の形態の変形例について説明する。
<コンピュータの構成例>
上述した一連の処理は、ハードウエアにより実行することもできるし、ソフトウエアにより実行することもできる。一連の処理をソフトウエアにより実行する場合には、そのソフトウエアを構成するプログラムが、コンピュータにインストールされる。ここで、コンピュータには、専用のハードウエアに組み込まれているコンピュータや、各種のプログラムをインストールすることで、各種の機能を実行することが可能な、例えば汎用のパーソナルコンピュータなどが含まれる。
本技術は、以下のような構成をとることもできる。
追尾対象を追尾し、前記追尾対象にピントを合わせ続ける追尾機能の制御を行うフォーカス制御部と、
所定の条件に基づいて、追尾中に追尾開始位置を移動させる設定部と
を備える撮影装置。
(2)
前記設定部は、ユーザ操作に基づいて、追尾中に前記追尾開始位置を移動させる
(1)に記載の撮影装置。
(3)
前記設定部は、追尾中に第1のユーザ操作が行われたときの追尾位置に前記追尾開始位置を移動させる
(2)に記載の撮影装置。
(4)
前記設定部は、追尾中に第2のユーザ操作により指定された位置に前記追尾開始位置を移動させる
(3)に記載の撮影装置。
(5)
前記設定部は、撮影範囲を複数のゾーンに分割し、前記第1のユーザ操作が行われたときの前記追尾位置を含む前記ゾーンに前記追尾開始位置を移動させる
(3)又は(4)に記載の撮影装置。
(6)
前記設定部は、追尾中にユーザ操作により指定された位置に前記追尾開始位置を移動させる
(2)に記載の撮影装置。
(7)
前記設定部は、追尾終了時の追尾位置に前記追尾開始位置を移動させる
(1)乃至(6)のいずれかに記載の撮影装置。
(8)
前記設定部は、撮影範囲を複数のゾーンに分割し、追尾終了時の前記追尾位置を含む前記ゾーンに前記追尾開始位置を移動させる
(7)に記載の撮影装置。
(9)
被写体の認識処理を行う認識部を
さらに備え、
前記設定部は、認識された被写体の種類に基づいて、追尾終了時の前記追尾開始位置の移動を制御する
(7)又は(8)に記載の撮影装置。
(10)
前記設定部は、前記認識部により第1の種類の被写体が認識されている場合、及び、前記認識部により第2の種類の被写体が認識されていない場合のうち少なくとも1つの条件に基づいて、追尾終了時の前記追尾開始位置の移動を制御する
(9)に記載の撮影装置。
(11)
前記設定部は、ユーザにより選択された種類の被写体を前記第1の種類の被写体又は前記第2の種類の被写体に設定する
(10)に記載の撮影装置。
(12)
スルー画に重畳する前記追尾開始位置の表示を制御する表示制御部を
さらに備える(1)乃至(11)のいずれかに記載の撮影装置。
(13)
前記表示制御部は、追尾前と追尾中とで前記追尾開始位置の表示態様を変化させる
(12)に記載の撮影装置。
(14)
前記表示制御部は、追尾中に前記追尾開始位置の表示を停止するとともに、前記追尾開始位置が移動する場合に表示させる
(12)に記載の撮影装置。
(15)
前記フォーカス制御部は、追尾終了後に、前記追尾開始位置を基準にして追尾を再開する位置を設定する
(1)乃至(14)のいずれかに記載の撮影装置。
(16)
前記設定部は、ユーザ操作に基づいて、前記追尾機能、並びに、顔及び瞳のうち少なくとも一方に優先してピントを合わせる優先オートフォーカス機能のうち少なくとも1つを、追尾中に一時的にオフする
(1)乃至(15)のいずれかに記載の撮影装置。
(17)
追尾対象を追尾し、前記追尾対象にピントを合わせ続ける追尾機能の制御を行い、
所定の条件に基づいて、追尾中に追尾開始位置を移動させる
撮影制御方法。
(18)
追尾対象を追尾し、前記追尾対象にピントを合わせ続ける追尾機能の制御を行い、
所定の条件に基づいて、追尾中に追尾開始位置を移動させる
処理をコンピュータに実行させるためのプログラム。
Claims (18)
- 追尾対象を追尾し、前記追尾対象にピントを合わせ続ける追尾機能の制御を行うフォーカス制御部と、
所定の条件に基づいて、追尾中に追尾開始位置を移動させる設定部と
を備える撮影装置。 - 前記設定部は、ユーザ操作に基づいて、追尾中に前記追尾開始位置を移動させる
請求項1に記載の撮影装置。 - 前記設定部は、追尾中に第1のユーザ操作が行われたときの追尾位置に前記追尾開始位置を移動させる
請求項2に記載の撮影装置。 - 前記設定部は、追尾中に第2のユーザ操作により指定された位置に前記追尾開始位置を移動させる
請求項3に記載の撮影装置。 - 前記設定部は、撮影範囲を複数のゾーンに分割し、前記第1のユーザ操作が行われたときの前記追尾位置を含む前記ゾーンに前記追尾開始位置を移動させる
請求項3に記載の撮影装置。 - 前記設定部は、追尾中にユーザ操作により指定された位置に前記追尾開始位置を移動させる
請求項2に記載の撮影装置。 - 前記設定部は、追尾終了時の追尾位置に前記追尾開始位置を移動させる
請求項1に記載の撮影装置。 - 前記設定部は、撮影範囲を複数のゾーンに分割し、追尾終了時の前記追尾位置を含む前記ゾーンに前記追尾開始位置を移動させる
請求項7に記載の撮影装置。 - 被写体の認識処理を行う認識部を
さらに備え、
前記設定部は、認識された被写体の種類に基づいて、追尾終了時の前記追尾開始位置の移動を制御する
請求項7に記載の撮影装置。 - 前記設定部は、前記認識部により第1の種類の被写体が認識されている場合、及び、前記認識部により第2の種類の被写体が認識されていない場合のうち少なくとも1つの条件に基づいて、追尾終了時の前記追尾開始位置の移動を制御する
請求項9に記載の撮影装置。 - 前記設定部は、ユーザにより選択された種類の被写体を前記第1の種類の被写体又は前記第2の種類の被写体に設定する
請求項10に記載の撮影装置。 - スルー画に重畳する前記追尾開始位置の表示を制御する表示制御部を
さらに備える請求項1に記載の撮影装置。 - 前記表示制御部は、追尾前と追尾中とで前記追尾開始位置の表示態様を変化させる
請求項12に記載の撮影装置。 - 前記表示制御部は、追尾中に前記追尾開始位置の表示を停止するとともに、前記追尾開始位置が移動する場合に表示させる
請求項12に記載の撮影装置。 - 前記フォーカス制御部は、追尾終了後に、前記追尾開始位置を基準にして追尾を再開する位置を設定する
請求項1に記載の撮影装置。 - 前記設定部は、ユーザ操作に基づいて、前記追尾機能、並びに、顔及び瞳のうち少なくとも一方に優先してピントを合わせる優先オートフォーカス機能のうち少なくとも1つを、追尾中に一時的にオフする
請求項1に記載の撮影装置。 - 追尾対象を追尾し、前記追尾対象にピントを合わせ続ける追尾機能の制御を行い、
所定の条件に基づいて、追尾中に追尾開始位置を移動させる
撮影制御方法。 - 追尾対象を追尾し、前記追尾対象にピントを合わせ続ける追尾機能の制御を行い、
所定の条件に基づいて、追尾中に追尾開始位置を移動させる
処理をコンピュータに実行させるためのプログラム。
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JP2013012940A (ja) * | 2011-06-29 | 2013-01-17 | Olympus Imaging Corp | 追尾装置及び追尾方法 |
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