JP2013168909A - Imaging device, image generation method, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily obtain a wide-angle image.SOLUTION: A display part 14 displays a first image being imaged by an imaging part 13. A control part 11 allows the display part 14 to display a specific area image being an image of a specific area within a second image to be overlapped with the first image, thereby to allow the relative position of the specific area image with respect to the first image to be different from a relative position with respect to the second image. When the same image being the same image as the specific area image is included in the first image, the display part 14 is allowed to display a guide image guiding an imaging direction thereby to display the same image to be overlapped with the specific area image. A third image captured in a state where the same image and the specific area image are displayed with overlapping and the second image are synthesized at a position where the same image is overlapped with the specific area image within the second image.

Description

  The present invention relates to a photographing apparatus that generates a wide-angle image, an image generation method, and a program.

  In recent years, it has become common for the functions of a camera, which is a photographing apparatus, to be mounted on a mobile terminal such as a mobile phone.

  Here, there is wide-angle shooting as one of the functions of the camera. In order to perform wide-angle shooting, it is common to use a wide-angle lens for performing wide-angle shooting. However, lenses cannot be exchanged in portable terminals and compact digital cameras.

  In this case, a method is used in which a plurality of images are acquired by pan shooting and a wide-angle image (panoramic image) is obtained using the acquired plurality of images.

  For example, Patent Document 1 discloses a technique for improving the quality of a wide-angle image obtained by pan photographing.

  In the technique disclosed in Patent Document 1, when an image is captured, the camera instructs which part of the display scene should be captured in the next image to be captured in order to create a composite panoramic image using the image. Display the composite guide on the live action screen.

  Thereby, the photographer of the camera can easily grasp the shooting direction for the next shooting.

JP 2004-304801 A

  It seems that a high-quality wide-angle image can be obtained by using the technique disclosed in Patent Document 1 described above.

  However, even when the technique disclosed in Patent Document 1 is used, in order to obtain a wide-angle image, a photographer changes the shooting direction while holding a portable terminal or a compact digital camera that functions as a shooting device. Since it is necessary to continuously press the shutter button, it takes time to shoot.

  Therefore, it is conceivable to combine a plurality of images obtained by separate photographing so that, for example, a part of them is overlapped. In this case, it is necessary to copy the plurality of images to a personal computer or the like and to install dedicated software for synthesizing the plurality of images in the personal computer. For this reason, it takes time and effort to copy images to a personal computer or to install dedicated software, and skills and knowledge for that purpose are required. Therefore, there is a problem that no one can easily obtain a wide-angle image.

  The objective of this invention is providing the imaging device, the image generation method, and program which solve the subject mentioned above.

The photographing apparatus of the present invention
A shooting section;
A display unit for displaying a first image taken by the photographing unit;
Among the second images, the specific region image is the first image so that the relative position of the specific region image that is an image of the specific region with respect to the first image is different from the relative position with respect to the second image. When the same image that is the same image as the specific area image is included in the first image, the same image is displayed so as to overlap the specific area image. A guide image that guides the shooting direction is displayed on the display unit, and the third image and the second image that are shot in a state where the same image and the specific area image are displayed in an overlapping manner are displayed on the same screen. And a control unit that synthesizes the image and the specific region image of the second image at a position where the image overlaps.

The image generation method of the present invention includes:
A process of shooting, a process of displaying the first image being shot,
Among the second images, the specific region image is the first image so that the relative position of the specific region image that is an image of the specific region with respect to the first image is different from the relative position with respect to the second image. Processing to overlay and display,
When the same image that is the same image as the specific area image is included in the first image, a guide image that guides the shooting direction is displayed so that the same image is displayed overlapping the specific area image. Processing,
The third image and the second image captured in a state where the same image and the specific area image are displayed in an overlapping manner, and the specific area image of the same image and the second image Are combined at the position where the two overlap.

The program of the present invention is
A program for causing a computer to execute,
A procedure for shooting, a procedure for displaying the first image being shot,
Among the second images, the specific region image is the first image so that the relative position of the specific region image that is an image of the specific region with respect to the first image is different from the relative position with respect to the second image. On top of the display,
When the same image that is the same image as the specific area image is included in the first image, a guide image that guides the shooting direction is displayed so that the same image is displayed overlapping the specific area image. Procedure and
The third image and the second image captured in a state where the same image and the specific area image are displayed in an overlapping manner, and the specific area image of the same image and the second image And a procedure for synthesizing at the position where the two overlap.

  Since the present invention is configured as described above, a wide-angle image can be easily obtained.

It is a figure which shows one Embodiment of the image generation system to which the imaging device of this invention is applied. It is a block diagram which shows an example of the internal structure of the imaging device shown in FIG. It is a figure which shows an example of the external appearance of the imaging device shown in FIG. FIG. 2 is a diagram illustrating an example of a subject that is a target for generating a wide-angle image in the image generation system illustrated in FIG. 1 and an example of a photographing direction of the first photographing device and the second photographing device with respect to the subject. 5 is a flowchart for explaining an operation of generating a wide-angle image in the image generation system shown in FIGS. It is a figure which shows an example of the 2nd still image received with the 2nd imaging device in the image generation system shown in FIGS. It is a figure which shows an example of the live view image, specific area image, and guide image which were displayed on the display part shown in FIG. 2 and FIG. It is a figure which shows an example of the 3rd still image memorize | stored in the 2nd imaging device in the image generation system shown in FIGS. It is a figure which shows an example of the wide angle image produced | generated from the 2nd still image and the 3rd still image.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a diagram showing an embodiment of an image generation system to which a photographing apparatus of the present invention is applied.

  As shown in FIG. 1, the image generation system according to the present embodiment includes a plurality of photographing devices 10-1 and 10-2.

  Note that, here, the number of photographing devices included in the image generation system is two, but the number is not limited to two.

  In the present embodiment, the first imaging device, which is one of the imaging devices 10-1 and 10-2, captures and stores an image stored in the imaging devices 10-1 and 10-2. To a second imaging device that is an imaging device other than the first imaging device. As described above, each of the plurality of imaging devices included in the image generation system operates as the first imaging device or the second imaging device.

  FIG. 2 is a block diagram illustrating an example of the internal structure of the photographing apparatus 10-1 illustrated in FIG. The internal structure of the photographing apparatus 10-2 is the same as the internal structure of the photographing apparatus 10-1 shown in FIG.

  3A and 3B are diagrams illustrating an example of the appearance of the photographing apparatus 10-1 illustrated in FIG. 1, in which FIG. 3A is a front view and FIG. 3B is a rear view. The imaging device 10-2 also has the same appearance.

  As shown in FIG. 2, the photographing apparatus 10-1 according to the present embodiment includes a control unit 11, an operation unit 12, a photographing unit 13, a display unit 14, a communication unit 15, and a storage unit 16.

  The communication unit 15 has a wireless communication function based on, for example, Bluetooth (registered trademark). In this embodiment, it is assumed that the first imaging device and the second imaging device are paired in advance and can perform wireless communication with each other. However, the wireless communication between the image capturing device 10-1 and the image capturing device 10-2 is not limited to short-range wireless communication, for example, wireless via a mobile communication network provided by a mobile communication operator. Communication may be used. In this embodiment, the first imaging device and the second imaging device perform wireless communication. However, communication between the first imaging device and the second imaging device is not limited to wireless communication. Wired communication may be used.

  As shown in FIG. 3, the display unit 14 is provided in front of the photographing apparatus 10-1, and includes, for example, an LCD (Liquid Crystal Display). In accordance with an instruction from the control unit 11, the display unit 14 displays an image of a subject captured by the imaging unit 13, a menu for allowing a user of the imaging device 10-1 to select a function included in the imaging device 10-1. .

  As shown in FIG. 3, the imaging unit 13 is provided on the back surface of the imaging apparatus 10-1. The photographing unit 13 starts photographing the subject in accordance with an instruction from the control unit 11. Thereby, the image of the photographed subject is displayed on the display unit 14 as a live view image. The live view image is a moving image for the user to check the angle of view, the shooting direction, and the like in real time. In addition, in accordance with an instruction from the control unit 11, the photographing unit 13 captures an image captured as a live view image as a still image, and stores the captured still image in the storage unit 16 included in the capturing unit 13 itself.

  The operation unit 12 includes various buttons for receiving user operations. The operation unit 12 receives inputs such as various instructions and selections when the user performs a predetermined operation. Specifically, for example, the operation unit 12 receives an instruction to shift to a shooting mode and selection of the type of shooting mode from the user. Examples of the shooting mode include a wide-angle shooting mode and a normal shooting mode. In addition, the operation unit 12 receives an instruction for capturing an image from the user. This is a case where the user of the photographing apparatus 10-1 has pressed the shutter button, for example. Note that the operation unit 12 may include a touch panel stacked on the display unit 14 and accept various inputs and selection inputs by pressing an icon or the like displayed on the display unit 14.

  Here, as described above, each of the plurality of imaging devices included in the image generation system according to the present embodiment operates as the first imaging device or the second imaging device. The operation of the control unit 11 differs between when operating as the first imaging device and when operating as the second imaging device. Therefore, as shown in the following (1) and (2), the control unit 11 includes a case where the photographing device 10-1 operates as the first photographing device and a case where the photographing device 10-1 operates as the second photographing device. Separately described.

(1) When the imaging apparatus 10-1 operates as the first imaging apparatus When the operation unit 12 receives an instruction from the user to shift to the imaging mode, the control unit 11 causes the imaging unit 13 to image the subject. Let it begin. Next, when the operation unit 12 accepts the selection of the wide-angle shooting mode from the user, the control unit 11 performs the live view when the operation unit 12 accepts an image capture instruction from the user. An image taken as an image is taken into the photographing unit 13 as a still image, and the taken still image is stored (written) in the storage unit 16. Next, the control unit 11 reads out a still image from the storage unit 16 and transmits the still image to the second imaging device using the wireless communication function via the communication unit 15.

(2) When the imaging device 10-1 operates as the second imaging device The control unit 11 activates the imaging unit 13 when receiving a still image transmitted from the first imaging device. Then, the control unit 11 sets the specific area image, which is an image of a specific area in the still image, to a position different from the relative position with respect to the received still image so that the relative position to the live view image is different from the live view image. The images are superimposed and displayed on the display unit 14. The specific area may be specified by the user in advance. Specifically, for example, an area having an arbitrary size from the left side or the right side of the received still image can be designated (operated) via the operation unit 12 as a specific area. The size of the specific area may be, for example, an area of about 30% of the entire still image from the left or right side of the still image. When designation of a specific area is accepted by the operation unit 12, the control unit 11 determines which part (position, range, etc.) of the still image is information indicating the specific area, that is, the specific area. Just remember. In addition to the left and right sides, for example, an area having an arbitrary size may be designated as a specific area from the upper side or the lower side of the still image.

  The specific area image displayed on the display unit 14 is, for example, a transmission image in which the transmittance of the image is set to a predetermined ratio.

  Next, when the same image that is the same image as the specific area image is included in the live view image displayed on the display unit 14, the control unit 11 detects the same image. Then, the control unit 11 causes the display unit 14 to display a guide image for guiding the shooting direction so that the specific region image and the same image overlap with the live view image. The technique for displaying the guide image in this way is described in the above-described Japanese Patent Application Laid-Open No. 2004-304801 and Japanese Patent Application Laid-Open No. 2009-60278.

  Next, when an instruction (operation) for capturing an image is received by the operation unit 12, the control unit 11 captures an image captured as a live view image as a first still image (first image). 13 and the storage unit 16 stores the captured first still image. And the control part 11 reads the 1st still image memorize | stored in the memory | storage part 16, the read 1st still image, and the received still image (henceforth a 2nd still image (2nd image)). A wide-angle image is generated by synthesizing the first still image and the second still image using an overlapping region with the first and second still images. Then, the control unit 11 causes the display unit 14 to display the generated wide-angle image.

  The operation for generating a wide-angle image in the image generation system configured as described above will be described below. Here, the case where the imaging device 10-1 operates as the first imaging device and the imaging device 10-2 operates as the second imaging device will be described as an example.

  FIG. 4 is a diagram illustrating an example of a subject that is a target for generating a wide-angle image in the image generation system illustrated in FIG. 1, and an example of a photographing direction of the first photographing device and the second photographing device with respect to the subject. is there.

  Here, it is assumed that the subject is a landscape including mountains, flowers, buildings, etc., as shown in FIG. Here, it is assumed that the photographing apparatus 10-2 is present on the left side of the photographing apparatus 10-1 toward the subject as shown in FIG. In FIG. 4, the broken lines from the imaging devices 10-1 and 10-2 represent the respective angles of view of the imaging devices 10-1 and 10-2.

  FIG. 5 is a flowchart for explaining an operation of generating a wide-angle image in the image generation system shown in FIGS.

  First, the operation unit 12 of the photographing apparatus 10-1 receives an instruction to shift to the photographing mode from the user (Step S1).

  When the operation unit 12 receives an instruction to shift to the shooting mode, the control unit 11 causes the shooting unit 13 to start shooting the subject. Thereby, a live view image is displayed on the display unit 14 (step S2).

  Next, the operation unit 12 receives a selection of the type of the wide-angle shooting mode from the user (step S3). It is also possible that the operation unit 12 is operated for selecting the type of the wide-angle shooting mode simultaneously with the operation for shifting to the shooting mode. In that case, the operation unit 12 may receive these two operations simultaneously (although there is a processing time lag).

  Next, the user operates the operation unit 12 to instruct to capture an image, for example, by pressing a shutter button.

  Then, the operation unit 12 receives an image capture instruction from the user (step S4).

  When the operation unit 12 receives an instruction for capturing an image, the control unit 11 causes the photographing unit 13 to capture an image captured as a live view image as a second still image, and the second captured image is captured. The still image is stored in the storage unit 16 (step S5).

  Next, the control unit 11 reads the second still image stored in the storage unit 16.

  And the control part 11 transmits the read 2nd still image from the communication part 15 to the imaging device 10-2 using a wireless communication function (step S6).

  The communication unit 15 of the imaging device 10-2 receives the second still image transmitted from the imaging device 10-1 using the wireless communication function (step S7).

  FIG. 6 is a diagram illustrating an example of a second still image received by the second imaging device in the image generation system illustrated in FIGS. 1 to 4.

  As shown in FIG. 6, the second still image is an image on the right side in the drawing of the subject shown in FIG. And the area | region (part enclosed with the broken line) shown as the specific area image 51a in FIG. 6 is an example of the specific area image mentioned above. For convenience of the following description, the specific region image 51a will be described by taking a case where the flower 31 is included as an example.

  Next, the control unit 11 of the photographing apparatus 10-2 activates the photographing unit 13. Thereby, photographing of the subject is started, and a live view image is displayed on the display unit 14 (step S8). Here, the control unit 11 of the imaging device 10-2 starts the imaging unit 13 with the reception of the second still image transmitted from the imaging device 10-1 as a trigger. When the image is received, the photographing unit 13 of the photographing apparatus 10-2 may already be activated.

  Then, the control unit 11 causes the display unit 14 to superimpose the specific region image on the live view image so that the relative position with respect to the live view image is different from the relative position with respect to the second still image. (Step S9).

  Next, the control unit 11 detects the same image that is the same image as the specific region image from the live view image displayed on the display unit 14 (step S10). The detection of the same image may be performed using a technique such as a general similar image search.

  Then, the control unit 11 causes the display unit 14 to display a guide image for guiding the shooting direction so as to overlap the specific region image and the same image on the live view image (step S11).

  FIG. 7 is a diagram illustrating an example of a live view image, a specific area image, and a guide image displayed on the display unit 14 illustrated in FIGS. 2 and 3.

  As shown in FIG. 7, the relative position of the specific area image 51b with respect to the live view image displayed on the display unit 14 is different from the relative position of the specific area image 51a with respect to the second still image shown in FIG.

  The user of the imaging device 10-2 moves the imaging direction according to the direction indicated by the guide image 52 (arrow in FIG. 7) so that the display positions of the specific area image and the same image overlap. Then, the user of the photographing apparatus 10-2 operates the operation unit 12 to instruct to capture a live view image at the time of pressing the shutter button, for example.

  The operation unit 12 receives an instruction for capturing an image from the user (step S12).

  When the operation unit 12 receives an instruction to capture an image, the control unit 11 causes the photographing unit 13 to capture an image captured as a live view image as a third still image (third image). The taken third still image is stored in the storage unit 16 (step S13).

  FIG. 8 is a diagram illustrating an example of a third still image stored in the second imaging device in the image generation system illustrated in FIGS. 1 to 4.

  As shown in FIG. 8, the third still image is an image of the left portion of the subject shown in FIG.

  Next, the control unit 11 reads out the third still image stored in the storage unit 16, and uses the overlapping region between the read third still image and the received second still image to output the second still image. A wide-angle image is generated by combining the still image and the third still image (step S14). Referring to FIGS. 6 and 8, the specific area image including the flower 32 is overlapped between the second still image and the third still image. Therefore, the control unit 11 uses the overlap region, that is, at the position where the overlap region of the second still image and the overlap region of the third still image are overlapped, A wide-angle image is generated by combining the still image.

  FIG. 9 is a diagram illustrating an example of a wide-angle image generated from the second still image and the third still image.

  As shown in FIG. 9, the specific region image including the flower 31 of the second still image 61 (enclosed by a one-dot chain line in FIG. 9) and the third still image 62 (enclosed by a rough broken line in FIG. 9). The specific area image including the flowers 31 overlaps with each other, and the specific area images including the flowers 31 are combined so as to overlap each other, and the wide-angle image 63 (in FIG. 9, surrounded by a fine broken line) Stuff).

  And the control part 11 displays the produced | generated wide angle image on the display part 14 (step S15).

  Note that the wide-angle image may be transmitted from the imaging device 10-2 to the imaging device 10-1. Thereby, a wide-angle image can be displayed also in the imaging device 10-1.

  In the above-described example, the case where the second still image is transmitted from another imaging device different from the imaging device that generates the wide-angle image has been described as an example. However, for example, the second still image is acquired from the Internet. The image may be already stored in the storage unit 16 of the imaging apparatus, or may be an image captured by the imaging apparatus and already stored in the storage unit 16.

  Thereby, in order to obtain a wide-angle image, it is not necessary to copy a plurality of images to a personal computer or the like and to install dedicated software for synthesizing the plurality of images in the personal computer. Therefore, a wide-angle image can be easily obtained.

  In addition, the photographer does not need to continuously press the shutter button while changing the shooting direction while holding the shooting device in order to obtain a wide-angle image. Thereby, the degree of camera shake does not increase and a high-quality wide-angle image can be obtained.

  Further, if a large number of still images are synthesized using the above-described processing, it is possible to obtain a super-wide-angle image.

  In this embodiment, as shown in FIG. 4, the right side of the subject is photographed by the right side photographing device 10-1 and the left side of the subject is photographed by the left side photographing device 10-2. However, the direction in which each of the plurality of imaging devices captures images is not limited to this. For example, it is possible to generate a wide-angle image by photographing the left side of the subject with the right photographing device and photographing the right side of the subject with the left photographing device.

  In the present embodiment, the photographing apparatus is assumed to be a digital camera. However, the photographing apparatus may be not only a digital camera but also a mobile phone having a photographing function, a smartphone, or the like. For example, a portable music player, a portable game machine, a personal computer, etc. provided with the imaging | photography function and the communication function may be sufficient.

  In the present embodiment, the case where the image stored in the first imaging device is transmitted to the second imaging device and a wide-angle image is generated in the second imaging device has been described. The stored image may be transmitted to the first photographing device, and the first photographing device may generate a wide-angle image.

  In the present embodiment, the case where the relative positional relationship between the first imaging device and the second imaging device is different in the horizontal direction (the direction perpendicular to the meridian) has been described. The relative positional relationship with the second photographing apparatus may be other than this. That is, a wide-angle image can be generated even when the relative positional relationship between the first imaging device and the second imaging device differs in the vertical direction (the direction of the meridian), the oblique direction, or the like.

  Further, in the present embodiment, a case has been described in which the second image capturing device captures an image when receiving an image capture instruction from a user of the second image capturing device. In addition to this, in the second photographing apparatus, when the specific area image and the same image overlap each other or when it is assumed that they overlap each other, the images may be automatically captured.

  In the present embodiment, the case where an image is transmitted from the first photographing apparatus to the second photographing apparatus has been described. Information regarding shooting conditions such as focus may be transmitted to the second imaging apparatus. Thereby, in the 2nd imaging device, it becomes possible to set imaging conditions based on these information.

  Further, in the present embodiment, the description has been made on the assumption that the first imaging device and the second imaging device have the same function. For example, when the angle of view is different between the first imaging device and the second imaging device, the angle of view information indicating each angle of view is exchanged between the first imaging device and the second imaging device. Thus, the angle of view of the first imaging device and the second imaging device may be matched in advance.

  Further, in the present embodiment, the description has been made on the assumption that there is an overlapping area between the image stored in the first image capturing device and the image stored in the second image capturing device. When there is no overlap area between the image stored in the first image capturing device and the image stored in the second image capturing device, the image capturing device that generates a wide-angle image is stored on the Internet or from a photo library. An image that compensates for the gap may be acquired, and a wide-angle image including the acquired image may be synthesized.

  In addition, when the computing performance of the photographing device is not sufficient, the image stored in the first photographing device and the second photographing device is transmitted to a predetermined server, and a wide-angle image is generated by the server. Also good. In this case, the server may transmit the generated wide-angle image to the first imaging device and the second imaging device, or the first imaging device or the second imaging device.

  In addition, since the generated wide-angle image is a horizontally long image, when the wide-angle image is displayed on the photographing apparatus, the image may be reduced and displayed so as to fit on one screen. Further, by scrolling, the wide-angle image may be displayed while being moved little by little to the left and right. In addition, the wide-angle image synthesized in the vertical direction may be displayed by moving the wide-angle image little by little in the vertical direction by scrolling.

  The processing performed by each component provided in the above-described photographing apparatuses 10-1 and 10-2 may be performed by a logic circuit that is produced according to the purpose. Further, a computer program (hereinafter referred to as a program) in which processing contents are described as a procedure is recorded on a recording medium readable by the photographing apparatuses 10-1 and 10-2, and the program recorded on the recording medium is processed as information processing. It may be read by the apparatus 100 and executed. The recording media that can be read by the photographing apparatuses 10-1 and 10-2 include transferable recording media such as a floppy (registered trademark) disk, a magneto-optical disk, a DVD, and a CD, as well as the photographing apparatuses 10-1 and 10. -2 indicates a storage unit 16, a memory such as a ROM and a RAM, an HDD, and the like. The program recorded on the recording medium is read by the control unit 11 provided in the photographing apparatuses 10-1 and 10-2, and the same processing as described above is performed under the control of the control unit 11. Here, the control unit 11 operates as a computer that executes a program read from a recording medium on which the program is recorded.

10-1, 10-2 Image capturing apparatus 11 Control unit 12 Operation unit 13 Image capturing unit 14 Display unit 15 Communication unit 16 Storage unit 31 Flower 51a, 51b Specific area image 52 Guide image 61 Second still image 62 First still image 63 Wide-angle image

Claims (5)

A shooting section;
A display unit for displaying a first image taken by the photographing unit;
Among the second images, the specific region image is the first image so that the relative position of the specific region image that is an image of the specific region with respect to the first image is different from the relative position with respect to the second image. When the same image that is the same image as the specific area image is included in the first image, the same image is displayed so as to overlap the specific area image. A guide image that guides the shooting direction is displayed on the display unit, and the third image and the second image that are shot in a state where the same image and the specific area image are displayed in an overlapping manner are displayed on the same screen. An imaging apparatus comprising: a control unit configured to combine an image and the specific area image of the second image at a position where the image overlaps. The imaging device according to claim 1,
When the second image is transmitted from a device other than the image capturing device, the communication device has a communication unit that receives the transmitted second image;
The control device uses the second image received by the communication unit. The imaging device according to claim 1,
A storage unit for storing the second image;
The control unit uses a second image read from the storage unit. A process of shooting, a process of displaying the first image being shot,
Among the second images, the specific region image is the first image so that the relative position of the specific region image that is an image of the specific region with respect to the first image is different from the relative position with respect to the second image. Processing to overlay and display,
When the same image that is the same image as the specific area image is included in the first image, a guide image that guides the shooting direction is displayed so that the same image is displayed overlapping the specific area image. Processing,
The third image and the second image captured in a state where the same image and the specific area image are displayed in an overlapping manner, and the specific area image of the same image and the second image Image generating method for performing processing to synthesize at a position where the two overlap. On the computer,
A procedure for shooting, a procedure for displaying the first image being shot,
Among the second images, the specific region image is the first image so that the relative position of the specific region image that is an image of the specific region with respect to the first image is different from the relative position with respect to the second image. On top of the display,
When the same image that is the same image as the specific area image is included in the first image, a guide image that guides the shooting direction is displayed so that the same image is displayed overlapping the specific area image. Procedure and
The third image and the second image captured in a state where the same image and the specific area image are displayed in an overlapping manner, and the specific area image of the same image and the second image For executing the procedure of synthesizing at the position where the two overlap.

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