US20130251287A1 - Image processing device that generates a composite image - Google Patents
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- US20130251287A1 US20130251287A1 US13/846,812 US201313846812A US2013251287A1 US 20130251287 A1 US20130251287 A1 US 20130251287A1 US 201313846812 A US201313846812 A US 201313846812A US 2013251287 A1 US2013251287 A1 US 2013251287A1
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Definitions
- the present invention relates to an image processing device that generates a composite image, an image processing method, and a storage medium.
- actions of an object captured in a moving image are photographed by an image capture device such as a digital camera and used for subsequent checking.
- an image capture device such as a digital camera
- a swing action is recorded as a moving image and the data of the swing is used for subsequent checking.
- Japanese Unexamined Patent Application, Publication No. H11-98450 has been known as technology for such checking swing form.
- the technology disclosed in Japanese Unexamined Patent Application, Publication No. H11-98450 is technology for combining a sequence of swing actions of a golf club head into a single static image to display.
- An image processing device includes: an image acquiring unit that acquires a plurality of images indicative of a sequence of actions of an object; an image specifying unit that specifies a predetermined partial action in the sequence of the actions of the object from the plurality of images acquired by the image acquiring unit; an image selecting unit that selects a plurality of images corresponding to the predetermined partial action from among the plurality of images, based on a specifying result by the image specifying unit; and a composite image generating unit that generates a composite image from the plurality of images selected by the image selecting unit.
- An image processing method is an image processing method executed by an image processing device, and the method includes the steps of: acquiring a plurality of images indicative of a sequence of the actions of an object; specifying a predetermined partial action during the sequence of an action of the object from the plurality of images acquired by the image acquiring unit; selecting a plurality of images corresponding to the predetermined partial action from among the plurality of images, based on a specifying result by the image specifying unit; and generating a composite image from the plurality of images selected by the image selecting unit.
- a storage medium encoded with a computer-readable program enables a computer to execute functions as: an image acquiring unit that acquires a plurality of images indicative of a sequence of actions of an object; an image specifying unit that specifies a predetermined partial action during the sequence of an action of the object from the plurality of images acquired by the image acquiring unit; an image selecting unit that selects a plurality of images corresponding to the predetermined partial action from among the plurality of images, based on a specifying result by the image specifying unit; and a composite image generating unit that generates a composite image from the plurality of images selected by the image selecting unit.
- FIG. 1 is a block diagram illustrating a hardware configuration of an image capture device according to an embodiment of an image processing device of the present invention
- FIG. 2 is a functional block diagram illustrating a functional configuration for executing composite image generating processing among the functional configurations of the image capture device of FIG. 1 ;
- FIG. 3 is a schematic view illustrating an example of a complete composite image generated by the composite image generating processing
- FIGS. 4A to 4F are a schematic view illustrating an example of a partial composite image
- FIG. 5 is a view illustrating an example of a selection screen of a partial composite image displayed on a output unit of the image capture device.
- FIG. 6 is a flowchart illustrating a flow of composite image generating processing executed by the image capture device of FIG. 3 having the functional configuration of FIG. 2 .
- FIG. 1 is a block diagram illustrating a hardware configuration of an image capture device according to an embodiment of an image processing device of the present invention.
- the image capture device 1 is configured as, for example, a digital camera.
- the image capture device 1 includes a CPU (Central Processing Unit) 11 , ROM (Read Only Memory) 12 , RAM (Random Access Memory) 13 , an image processing unit 14 , a bus 15 , an input/output interface 16 , an image capture unit 17 , an input unit 18 , an output unit 19 , a storage unit 20 , a communication unit 21 , and a drive 22 .
- CPU Central Processing Unit
- ROM Read Only Memory
- RAM Random Access Memory
- the CPU 11 executes various processing in accordance with programs stored in the ROM 12 , or programs loaded from the storage unit 20 into the RAM 13 .
- the RAM 13 stores the necessary data and the like upon the CPU 11 executing various processing, as appropriate.
- the CPU 11 , the ROM 12 , and the RAM 13 are connected to each other via the bus 15 .
- the input/output interface 16 is also connected to the bus 15 .
- the image capture unit 17 , the input unit 18 , the output unit 19 , the storage unit 20 , the communication unit 21 , and the drive 22 are also connected to the input/output interface 16 .
- the image capture unit 17 (not illustrated) includes an optical lens unit and an image sensor.
- the optical lens unit is configured by a lens that condenses light in order to capture an image of a subject, e.g., a focus lens, zoom lens, etc.
- the focus lens is a lens that causes a subject image to form on a light receiving surface of an image sensor.
- the zoom lens is a lens that causes the focal length to freely change in a certain range.
- Peripheral circuits that adjust the setting of parameters such as focus, exposure, white balance, etc. are also provided to the optical lens unit as necessary.
- the image sensor is configured from photoelectric conversion elements, AFE (Analog Front End), etc.
- the photoelectric conversion elements are configured from CMOS (Complementary Metal Oxide Semiconductor)-type photoelectric conversion elements.
- CMOS Complementary Metal Oxide Semiconductor
- a subject image is reflected from the optical lens unit in the photoelectric conversion elements. Therefore, the photoelectric conversion elements performs photoelectric conversion of a subject image (captures an image), accumulates image signals for a certain time period, and sequentially supplies the image signals thus accumulated to an AFE as analog signals.
- the AFE conducts various signal processing such as A/D (Analog/Digital) conversion processing on these analog image signals. Digital signals are generated through various signal processing and outputted as output signals of the image capture unit 17 .
- Such output signals of the image capture unit 17 are hereinafter called “captured image data”.
- the captured image data is supplied to the CPU 11 , the image processing unit 14 , and the like as appropriate.
- the input unit 18 is configured by various buttons and the like, and inputs various information in accordance with a user's operations.
- the output unit 19 is configured by a display, a speaker, and the like and outputs images and sounds.
- the storage unit 20 is configured by a hard disk, DRAM (Dynamic Random Access Memory), or the like, and stores various image data.
- DRAM Dynamic Random Access Memory
- the communication unit 21 controls communications with other devices (not illustrated) via networks including the Internet.
- a removable media 31 made from a magnetic disk, optical disk, magneto-optical disk, semiconductor memory, or the like is installed in the drive 22 as appropriate.
- the programs read from the removable media 31 by the drive 22 are installed in the storage unit 20 as necessary.
- the removable media 31 can also store various data such as the image data stored in the storage unit 20 .
- FIG. 2 is a functional block diagram illustrating a functional configuration for executing composite image generating processing among the functional configurations of the image capture device of FIG. 1 .
- the composite image generating processing refers to a sequence of processing of analyzing a moving image based on data of the moving images acquired, specifying an action of an object captured in the moving image, combining static images corresponding to the action thus specified (a complete composite image or a partial composite image as described later) to display, etc.
- the image capture device 1 captures a target performing a golf swing as an object.
- actions of the object captured is specified as a sequence of actions (hereinafter, referred to as “entire action”) as well as partial series of actions that constitute a part of the sequence of actions (hereinafter, referred to as “partial action”).
- the entire action corresponds to a sequence of actions of a swing and partial actions correspond to each action constituting a swing (for example, address, backswing, top, downswing, impact, follow-through, and finish).
- an image capture control unit 51 and an output control unit 52 function in the CPU 11
- an image acquiring unit 71 , an image specifying unit 72 , an image selecting unit 73 , and a composite image generating unit 74 function in the image processing unit 14 .
- FIG. 2 is merely an example, and at least a part of the functions of the CPU 11 may be transferred to the image processing unit 14 , or conversely, at least a part of the functions of the image processing unit 14 may be transferred to the CPU 11 .
- an acquired image storing unit 91 that is provided as an area of the storage unit 20 and a composite image storing unit 92 are used.
- the acquired image storing unit 91 captured image data outputted from the image capture unit 17 and acquired by the image acquiring unit 71 is stored.
- composite image data outputted from the composite image generating unit 74 is stored.
- the image capture control unit 51 sets various image capture conditions and controls an operation of image capturing at the image capture unit 17 .
- the image capture control unit 51 causes the image capture unit 17 to capture a moving image in order to capture an action of an object.
- the output control unit 52 controls the output unit 19 so as to output to display the composite image (a complete composite image or a partial composite image as described later) stored in the composite image storing unit 92 .
- the image specifying unit 72 performs image specifying to specify an action of an object captured in single images. Furthermore, the image specifying unit 72 associates the action thus specified with a single image. More specifically, the image specifying unit 72 acquires data of the moving image from the acquired image storing unit 91 and specifies an action of the object captured in the single images constituting the moving image. Then, the image specifying unit 72 associates an action of the object thus specified with a corresponding single image, and stores in the acquired image storing unit 91 .
- the image specifying unit 72 specifies the actions of a swing forming an entire action and the actions constituting a swing (for example, address, backswing, top, downswing, impact, follow through, and finish) from an action of a human and an action of a club (specifically, an action of a club head).
- any publicly known or other methods in the future for example, the methods disclosed in Japanese Unexamined Patent Application, Publication No. 2008-278386, Japanese Unexamined Patent Application, Publication No. 2009-53786, and Japanese Patent No. 4415198, for example, may be employed.
- the image selecting unit 73 selects a plurality of single images specified based on an instruction of image combination from the input unit 18 . More specifically, the image selecting unit 73 selects single image data, which corresponds to a designated action, constituting a moving image stored in the acquired image storing unit 91 , based on an instruction of combination of a complete composite image or a partial composite image as described later from the input unit 18 .
- the composite image generating unit 74 combines single images selected by the image selecting unit 73 and generates composite image data.
- the composite image generating unit 74 generates data of an image made by combining single images capturing the downswing to form a single static image (hereinafter, referred to as “partial composite image”). It should be noted that, in the present embodiment, a partial composite image is combined to include single images corresponding to a partial action and single images corresponding to locations that are temporally before and after the partial action.
- the composite image generating unit 74 can combine only a main portion of an action (for example, a club head or ball). In other words, in order to clearly show a trajectory of an action on an image that best represents an action selected, the composite image generating unit 74 can combine a part having a movement into the images before and after the image best representing the action selected.
- an action for example, a club head or ball
- the composite image generating unit 74 generates data of a complete composite image based on an instruction of combination of a complete composite image, and generates data of a partial composite image based on an instruction of combination of a partial composite image by designating a predetermined action by the input unit 18 .
- FIG. 3 is a schematic view illustrating an example of a complete composite image generated by the composite image generating processing.
- data of an entire image is generated from data of a moving image captured from behind a subject that is swinging.
- the complete composite image is composed of images in which all of actions corresponding to a sequence of actions of a swing are captured, it is formed to be such an image in which partial actions constituting a swing are captured like residual images.
- the complete composite image is an image in which all of the objects having an action (a swinging subject 100 , a club head 101 , a club including a club shaft 102 , etc.) are combined.
- a trajectory from the address to the impact and a trajectory from the impact to the finish are substantially the same.
- the image capture device 1 of the present embodiment picks up partial actions only as partial composite images and generates an image that can be displayed.
- FIGS. 4A to 4F are a schematic view illustrating an example of a partial composite image generated by the composite image generating processing.
- FIGS. 4A to 4C are schematic views illustrating an example of a partial composite image corresponding to the downswing, impact, and follow-through in a case of capturing actions of a swing from behind the swinging subject 100 .
- FIGS. 4A to 4C are combined to include actions before and after a designated action, and are combined to mainly include the club head 101 and a ball 103 only.
- a designated action for example, an action of the impact for FIG. 4B .
- FIGS. 4D to 4F are formed by combining partial actions corresponding to FIGS. 4A to 4C as partial composite images.
- the swinging subject 100 , the club shaft 102 , and the like that are captured in one image constituting the predetermined action are employed, and, for the club head 101 , the ball 103 , and the like, an image in which all of predetermined actions are captured is employed.
- an image is generated in which the swinging subject 100 , the club shaft 102 , and its background do not move and the club head 101 , the ball 103 , and the like move since a plurality of images are combined.
- FIG. 5 is a view illustrating an example of a selection screen of a partial composite image displayed on the output unit 19 of the image capture device.
- software buttons B 1 to B 3 by which a partial image as shown in FIG. 5 can be selected appear after displaying a complete composite image.
- a partial composite image corresponding to the software buttons B 1 to B 3 thus selected can be generated and displayed.
- the software buttons (a “FS” button, an “IP” button, and a “DS” button) are displayed on the complete composite image.
- the image capture device 1 By a user selecting either of the software buttons by performing a touch operation thereon or operating the input unit 18 , the image capture device 1 generates and displays a partial composite image corresponding to a software button selected.
- the “FS” button is a software button for generating a partial composite image corresponding to an action of the follow-through and instructing to display it.
- the “IP” button is a software button for generating a partial composite image corresponding to an action of the impact and instructing to display it.
- the “DS” button is a software button for generating a partial composite image corresponding to an action of the downswing and instructing to display it.
- a partial image of a corresponding action may be generated by touching or selecting an object.
- FIG. 6 is a flowchart illustrating an example of a flow of the composite image generating processing executed by the image capture device of FIG. 1 having the functional configurations of FIG. 2 .
- the composite image generating processing starts and executes the following processing.
- Step S 1 the image acquiring unit 71 acquires data of a moving image as data of a plurality of images showing a sequence of actions. More specifically, upon receiving an input for the start of image capture from the input unit 18 , the image capture control unit 51 starts capturing at the image capture unit 17 . Then, the image acquiring unit 71 acquires data of the moving image captured by the image capture unit 17 . Furthermore, the image acquiring unit 71 stores data of the moving image thus acquired in the acquired image storing unit 91 .
- Step S 2 the image specifying unit 72 analyzes data of the moving image.
- the image specifying unit 72 analyzes data of single images constituting the data of the moving image.
- the analysis of the data of the single images is performed by specifying an action of an object captured in the single images.
- the image specifying unit 72 specifies that an action of an object captured in single images constituting a moving image belongs to the downswing, for example.
- Step S 3 the image specifying unit 72 associates the single images with a specifying result.
- the image specifying unit 72 stores data indicating a partial action specified in Step S 2 with data of the single images to be associated in the acquired image storing unit 91 .
- Step S 4 the composite image generating unit 74 combines all of the single images and generates data of a complete composite image. More specifically, all of the single images are selected by the image selecting unit 73 , and the composite image generating unit 74 combines all of the single images thus selected into one static image and generates data of the complete composite image.
- Step S 5 the output unit 19 displays the complete composite image. More specifically, the output unit 19 controls so as to output and display the complete composite image by the output control unit 52 . As a result thereof, the complete composite image in which all of the single images constituting the moving image as shown in FIG. 3 is displayed at the output unit 19 .
- Step S 6 the image selecting unit 73 selects data of the single images corresponding to a partial action designated. More specifically, in a case in which a partial action is designated as shown in FIG. 5 by the user operating the input unit 18 , the image selecting unit 73 selects the data of the single images corresponding to the partial action thus designated that is stored in the acquired image storing unit 91 , from the acquired image storing unit 91 to be stored.
- Step S 7 the composite image generating unit 74 combines the single images thus selected and generates data of the complete composite image. More specifically, all of the single images are selected by the image selecting unit 73 , and the composite image generating unit 74 combines all of the single images thus selected and generates data of the complete composite image.
- the composite image generating unit 74 acquires the single images corresponding to the follow-through thus selected from the acquired image storing unit 91 , combines all of the single images corresponding to the follow-through, and generates data of a partial composite image corresponding to a partial action of the follow through.
- Step S 8 the output unit 19 displays the partial composite image. More specifically, the output unit 19 controls so as to output to display the partial composite image by the output control unit 52 . As a result thereof, the partial composite image in which the single images corresponding to the action of the follow-through, as shown in FIG. 4C , is displayed at the output unit 19 .
- Step S 6 by changing a designation of the partial action, for example, by the software button B 2 of “IP” being touched, a partial composite image corresponding to an action of the impact as shown in FIG. 4B is displayed.
- the image capture device 1 executing the above such composite image generating processing includes the image acquiring unit 71 , the image specifying unit 72 , the image selecting unit 73 , and the composite image generating unit 74 .
- the image acquiring unit 71 acquires data of a plurality of images showing an action of an object.
- the image specifying unit 72 specifies a partial action constituting the actions of an object from a plurality of images acquired by the image acquiring unit 71 .
- the image selecting unit 73 selects data of an image corresponding to a predetermined partial action from among the data of the plurality of images based on a specifying result by the image specifying unit 72 .
- the composite image generating unit 74 generates one composite image from the data of a plurality of images selected by the image selecting unit 73 .
- one composite image is generated from the data of an image corresponding to a predetermined partial action from among the data of a plurality of images selected based on a specifying result by the image specifying unit 72 .
- the image capture device 1 it is possible to generate an image in which a specified partial action in an action of an object can be easily recognized. Furthermore, since the image generated only includes a specified partial action, the image does not become unrecognizable.
- the image selecting unit 73 selects data of images corresponding to at least either of an action before or after a predetermined partial action, in addition to the data of images corresponding to the predetermined partial action.
- the image capture device 1 since an image is combined by simply including the action before or after the parts corresponding to a predetermined partial action, the image includes the data of a trajectory to reach a predetermined partial action, a trajectory following a trajectory of a predetermined part, and the like, it is possible to easily understand a trajectory of a partial action.
- the image acquiring unit 71 acquires a plurality of images including actions of an object captured by the image capture device 1
- the present invention is not limited thereto. So long as the data of images acquired is a plurality of data including a sequence of actions, for example, not limited to a moving image, it may be a static image, or may be an image acquired externally that is not captured by the image capture unit.
- the composite image (the complete composite image or the partial composite image) is combined regardless of an action speed
- the present invention is not limited thereto.
- a composite image it may be configured such that images are thinned out and composite for a slow part of an action, and captured images are interpolated for a fast part of an action. With such a configuration, it is possible to provide an image in which the trajectory of a partial action can be easily recognized.
- the present invention is described using, as an example, a golf swing as a sequence of actions in the above-described embodiment, the present invention is not limited thereto.
- an action including a repetitive movement is preferable as a sequence of actions
- the present invention is not limited thereto, not limited to actions in sports such as ball games such as baseball and tennis, or martial sports such as Kendo, and Judo, and not limited to a sequence of regularly defined actions. It is acceptable so long as being a composite image in which a partial action for which easy recognition has been facilitated and the image itself has not been made unrecognizable, by extracting a partial action of a sequence of actions.
- the imaging apparatus 1 to which the present invention is applied is described using, as an example, a digital camera, the present invention is not particularly limited thereto.
- the present invention can be applied to electronic equipment in general having a composite image generation function.
- the present invention can be applied to notebook personal computers, printers, television receivers, video cameras, portable navigation apparatuses, mobile phones, portable game machines, etc.
- the functional configurations shown in FIG. 2 are merely illustrative and thus are not particularly limited. Namely, it is sufficient that the imaging apparatus 1 have a function capable of performing the above-described series of processes as a whole, and what functional blocks are used to implement the function are not particularly limited to the examples in FIG. 2 .
- a single functional block may be configured by hardware alone or may be configured by software alone or may be configured by a combination thereof.
- a program constituting the software is installed on a computer, etc., via a network or from a recording medium.
- the computer may be a computer incorporated in dedicated hardware.
- the computer may be a computer capable of performing various functions by installing various programs, e.g., a general-purpose personal computer.
- a recording medium including such a program is not only configured by the removable media 31 in FIG. 1 which is distributed separately from the apparatus main body in order to provide a user with the program, but is also configured by, for example, a recording medium which is provided to the user, incorporated in advance in the apparatus main body.
- the removable media 31 is configured by, for example, a magnetic disk (including a floppy disk), an optical disk, a magneto-optical disk, or the like.
- the optical disk may be configured by, for example, a CD-ROM (Compact Disk-Read Only Memory), a DVD (Digital Versatile Disk), or the like.
- the magneto-optical disk is configured by an MD (Mini-Disk) or the like.
- the recording medium which is provided to the user, incorporated in advance in the apparatus main body is configured by, for example, the ROM 12 in FIG. 1 having a program recorded therein, a hard disk included in the storage unit 20 in FIG. 1 , or the like.
- the steps describing a program recorded in a recording medium not only include processes that are performed in the order of the steps in a time-series manner, but also include processes that are not necessarily processed in a time-series manner but are performed in parallel or individually.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106576145A (zh) * | 2015-07-10 | 2017-04-19 | 松下知识产权经营株式会社 | 摄像装置 |
US9706140B2 (en) | 2013-12-18 | 2017-07-11 | United Technologies Corporation | Natural resolution processing for LWIR images |
US9832396B2 (en) | 2013-12-18 | 2017-11-28 | United Technologies Corporation | Composite image processing for LWIR images using geometric features |
CN112788244A (zh) * | 2021-02-09 | 2021-05-11 | 维沃移动通信(杭州)有限公司 | 拍摄方法、拍摄装置和电子设备 |
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CN105072342B (zh) * | 2015-08-12 | 2018-01-12 | 珠海全志科技股份有限公司 | 图像合成装置及方法 |
CN107025631A (zh) * | 2017-03-13 | 2017-08-08 | 深圳市嘉和顺信息科技有限公司 | 一种高尔夫球场图的图像处理方法、装置及设备 |
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US9706140B2 (en) | 2013-12-18 | 2017-07-11 | United Technologies Corporation | Natural resolution processing for LWIR images |
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US11333489B2 (en) | 2017-01-25 | 2022-05-17 | Panasonic Intellectual Property Management Co., Ltd. | Driving control system and driving control method |
CN112788244A (zh) * | 2021-02-09 | 2021-05-11 | 维沃移动通信(杭州)有限公司 | 拍摄方法、拍摄装置和电子设备 |
Also Published As
Publication number | Publication date |
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KR20130107253A (ko) | 2013-10-01 |
JP5874476B2 (ja) | 2016-03-02 |
JP2013198014A (ja) | 2013-09-30 |
KR101446641B1 (ko) | 2014-10-01 |
CN103327234A (zh) | 2013-09-25 |
US10382704B2 (en) | 2019-08-13 |
US20170048466A1 (en) | 2017-02-16 |
CN103327234B (zh) | 2016-08-31 |
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