JP2013246319A - Image display device and image display method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an image display device and an image display method by which use scenes that attract user's interest can be achieved.SOLUTION: An image display device includes a display. The image display device includes a specification unit that specifies a direction of the display, and a control unit that controls the display. The control unit controls the display so as to display a past image at the time point before the present time according to a direction specified by the specification unit.

Description

  The present invention relates to an image display device having a display and an image display method applied to the image display device.

  Conventionally, an image display device including an imaging unit such as a camera and a display is known. Examples of the image display device include a tablet terminal, a portable terminal, a digital camera, and the like.

  In addition, a technique for adding various related information to a captured image according to a geographical position has been proposed. The related information is, for example, information such as history corresponding to the captured image (for example, Patent Document 1).

JP 2003-274320 A

  By the way, various usage scenes can be considered as the usage scenes of the above-described image display apparatus. Therefore, an image display device that realizes a usage scene that intrigues the user is desired.

  Accordingly, the present invention has been made to solve the above-described problems, and an object thereof is to provide an image display device and an image display method capable of realizing a use scene that is intriguing to the user.

  The image display device according to the first feature includes a display. The image display device includes a specifying unit that specifies an orientation of the display, and a control unit that controls the display, and the control unit is a time point earlier than the current time according to the direction specified by the specifying unit. The display is controlled to display a past image at.

  In the first feature, the specifying unit specifies the position of the image display device in addition to the orientation of the display. The control unit controls the display to display the past image in accordance with the orientation and position specified by the specifying unit.

  In the first feature, the image display device includes an acquisition unit that acquires a background image and an event image superimposed on a part of the background image as the past image. The control unit controls the display to superimpose and display the event image when the direction specified by the specifying unit is a specific direction.

  In the first feature, the specifying unit specifies the tilt of the display. The control unit controls the display to display the past image when the inclination of the display is larger than a predetermined value. The control unit controls the display to display a map image when the inclination of the display is smaller than a predetermined value.

  In the first feature, the control unit controls an imaging unit in addition to the display. The control unit activates the imaging unit when the application for displaying the past image is activated, and the position identified by the identification unit is a predetermined position, and the imaging unit captures an image. The display is controlled to display the displayed image.

  In the first feature, the control unit controls an imaging unit in addition to the display. The control unit is configured to display a map image when a position specified by the specifying unit is within a predetermined area including a predetermined position when an application for displaying the past image is activated. Control the display. The control unit activates the imaging unit and controls the display to display an image captured by the imaging unit when the position specified by the specifying unit reaches the predetermined position.

  In the first feature, when the application for displaying the past image is activated, the control unit is configured to display a map image when a position specified by the specifying unit is outside a predetermined area including a predetermined position. The display is controlled to display. The control unit controls the display to display the past image corresponding to the predetermined position in response to a user operation.

  In the first feature, the control unit controls an imaging unit in addition to the display. The orientation of the imaging unit and the orientation of the display are individually controlled. The control unit controls the orientation of the imaging unit according to the orientation of the display when the orientation of the display is changed in a state where the past image is displayed.

  The image display method according to the second feature is a method applied to an image display device including a display. The image display method includes a step A for specifying the orientation of the display, and a step B for displaying a past image at a time earlier than the current time according to the orientation specified in the step A.

  ADVANTAGE OF THE INVENTION According to this invention, the image display apparatus and image display method which can implement | achieve the use scene which intrigues a user can be provided.

FIG. 1 is a block diagram showing an image display device 100 according to the first embodiment. FIG. 2 is a diagram showing a current image 200 according to the first embodiment. FIG. 3 is a diagram illustrating a past image 300 according to the first embodiment. FIG. 4 is a diagram showing a past image 400 according to the first embodiment. FIG. 5 is a diagram showing a past image 400 according to the first embodiment. FIG. 6 is a diagram for explaining an application example 1 of the first embodiment. FIG. 7 is a diagram for explaining an application example 1 of the first embodiment. FIG. 8 is a diagram for explaining an application example 1 of the first embodiment. FIG. 9 is a diagram for explaining an application example 2 of the first embodiment. FIG. 10 is a diagram for explaining an application example 2 of the first embodiment. FIG. 11 is a diagram for explaining an application example 2 of the first embodiment.

  Hereinafter, an image display apparatus and an image display method according to an embodiment of the present invention will be described with reference to the drawings. In the following description of the drawings, the same or similar parts are denoted by the same or similar reference numerals.

  However, it should be noted that the drawings are schematic and ratios of dimensions and the like are different from actual ones. Therefore, specific dimensions and the like should be determined in consideration of the following description. Moreover, it is a matter of course that portions having different dimensional relationships and ratios are included between the drawings.

[Outline of Embodiment]
The image display apparatus according to the embodiment includes a display. The image display device includes a specifying unit that specifies an orientation of the display, and a control unit that controls the display, and the control unit is a time point earlier than the current time according to the direction specified by the specifying unit. The display is controlled to display a past image at.

  In the embodiment, the control unit controls the display to display a past image at a time point before the current time according to the direction specified by the specifying unit. That is, the user can enjoy past images through the display while changing the orientation of the display.

[First Embodiment]
The image display apparatus according to the first embodiment will be described below. FIG. 1 is a block diagram showing an image display device 100 according to the first embodiment.

  As illustrated in FIG. 1, the image display device 100 includes an imaging unit 110, a display 120, a specifying unit 130, an acquisition unit 140, and a control unit 150.

  The imaging unit 110 is a camera or the like and captures an image. In other words, the imaging unit 110 captures the current image at the current time point.

  The display 120 is a liquid crystal panel, an organic EL, or the like, and displays an image. For example, the display 120 displays an image (current image) captured by the imaging unit 110. Alternatively, the display 120 displays the image (past image) acquired by the acquisition unit 140. As will be described later, the past image is an image at a time point before the present time.

  The specifying unit 130 is a gyro sensor, a rotary encoder, an acceleration sensor, or the like, and detects the orientation of the display 120. The specifying unit 130 may detect the tilt of the display 120. Alternatively, the specifying unit 130 may have a GPS function and specify the position of the image display device 100.

  The acquisition unit 140 acquires various images. The acquisition unit 140 may acquire a current image at the current time point. Further, the acquisition unit 140 may acquire a past image at a time point before the current time. The current image or the past image may be stored in a storage unit provided in the image display device 100. The current image or the past image may be stored in a server connected to the image display apparatus 100 via a network.

  The control unit 150 controls the imaging unit 110 and the display 120. For example, the control unit 150 controls an image displayed on the display 120. Specifically, the control unit 150 displays an image (current image) captured by the imaging unit 110. Alternatively, the control unit 150 displays the current image acquired by the acquisition unit 140. Alternatively, the control unit 150 displays the past image acquired by the acquisition unit 140.

  In the first embodiment, the control unit 150 controls an image (current image or past image) displayed on the display 120 according to the orientation of the display 120 specified by the specifying unit 130. Specifically, the current image or the past image is a panoramic image larger than the display area of the display 120, and a part of the panoramic image is displayed on the display 120. The control unit 150 controls the image displayed on the display 120 by changing the position of the display area in the panoramic image according to the orientation of the display 120 specified by the specifying unit 130.

  For example, as shown in FIG. 2, the current image 200 is a panoramic image. The control unit 150 changes the position of the display area 120 </ b> A of the display 120 in the current image 200. Accordingly, the user can enjoy a 360 ° view through the display area 120A by changing the orientation of the display 120.

  However, when the orientation of the display 120 is linked to the orientation of the imaging unit 110, it should be noted that the control unit 150 may simply display the image captured by the imaging unit 110 on the display 120. It is.

  Alternatively, as shown in FIG. 3, the past image 300 is a panoramic image. The control unit 150 changes the position of the display area 120 </ b> A of the display 120 in the past image 300. Accordingly, the user can enjoy a 360 ° view through the display area 120A by changing the orientation of the display 120.

  Alternatively, as shown in FIG. 4, the past image 400 is a panoramic image. The control unit 150 changes the position of the display area 120 </ b> A of the display 120 in the past image 400. Accordingly, the user can enjoy a 360 ° view through the display area 120A by changing the orientation of the display 120.

  Here, the past image 300 shown in FIG. 3 is, for example, an image at a time point before the present (Meiji period). The past image 400 illustrated in FIG. 4 is, for example, an image at a time point (Edo period) before the present time. The position corresponding to the past image 300 and the past image 400 (for example, Nihonbashi) is the same as the position corresponding to the current image 200 (for example, Nihonbashi).

(Past image)
Hereinafter, the past image according to the first embodiment will be described. FIG. 5 is a diagram illustrating an example of the past image 400.

  As shown in FIG. 5, the past image 400 includes a background image 410 and an event image 420. The background image 410 is a panoramic image larger than the display area 120A. The background image 410 is preferably a still image. The event image 420 is an image superimposed on a part of the background image 410. The event image 420 is preferably a moving image.

  Here, the trigger for superimposing and displaying the event image 420 on the background image 410 is, for example, (a) the ratio that the region where the event image 420 is superimposed on the background image 410 overlaps the display region 120A exceeds a predetermined value. (B) A predetermined operation (such as clicking an icon) is performed.

  In the first embodiment, the past image 400 may include an information icon 430A. When information icon 430A is clicked, related image 430B including information related to past image 400 is displayed superimposed on background image 410. Note that when the information icon 430A is clicked, the event image 420 may be displayed superimposed on the background image 410.

(Function and effect)
In the first embodiment, the control unit 150 controls the images (current image 200, past image 300, and past image 400) displayed on the display 120 in accordance with the orientation of the display 120 specified by the specifying unit 130. That is, the user can enjoy images (current image 200, past image 300, and past image 400) in a panoramic view through display area 120A while changing the orientation of display 120.

  In the first embodiment, the past image 400 includes a background image 410 and an event image 420. The event image 420 is superimposed on a part of the background image 410. That is, the hierarchy of the event image 420 is different from the hierarchy of the background image 410. Therefore, it is possible to give the past image 400 a stereoscopic effect.

  In the first embodiment, the background image 410 is a still image, and the event image 420 is a moving image. Therefore, it is possible to provide a moving image to the user while reducing the processing load of the image display apparatus 100, rather than configuring the entire past image 400 as a moving image.

[Application Example 1]
Hereinafter, an application example 1 of the first embodiment will be described. In Application Example 1, the image display device 100 is a tablet terminal as illustrated in FIG. Alternatively, the image display device 100 may be a mobile terminal. In Application Example 1, it should be noted that the relationship between the orientation of the imaging unit 110 and the orientation of the display 120 is fixed. In addition, an application for displaying past images is installed in the image display device 100.

  In Application Example 1, the specifying unit 130 described above specifies the tilt of the display 120. The control unit 150 controls the image displayed on the display 120 according to the inclination of the display 120 specified by the specifying unit 130.

  Specifically, as illustrated in FIG. 7, the control unit 150 displays the past image 400 (or the current image 200 or the past image 300) when the inclination of the display 120 is larger than a predetermined value. 120 is controlled. On the other hand, when the inclination of the display 120 is smaller than the predetermined value, the control unit 150 controls the display 120 to display a map image instead of the past image 400 (or the current image 200 or the past image 300). To do. The map image is preferably an image showing a map corresponding to the position of the image display device 100.

  Here, it is preferable that the control unit 150 controls the imaging unit 110 and the display 120 as described below in response to activation of an application for displaying past images.

  First, the control unit 150 activates the imaging unit 110 when the position of the image display device 100 identified by the identifying unit 130 is a predetermined position when an application for displaying past images is activated. Then, the display 120 is controlled to display the image (current image 200) captured by the imaging unit 110.

  Second, when the application for displaying a past image is activated, the control unit 150 determines that the position of the image display device 100 specified by the specifying unit 130 is within a predetermined area including a predetermined position. The display 120 is controlled to display a map image. When the position of the image display device 100 specified by the specifying unit 130 reaches a predetermined position, the control unit 150 activates the imaging unit 110 and displays the image captured by the imaging unit 110. To control.

  Thirdly, when the position of the image display device 100 specified by the specifying unit 130 is outside a predetermined area including a predetermined position when an application for displaying a past image is started, The display 120 is controlled to display a map image. The control unit 150 displays a past image corresponding to a predetermined position in response to a user operation. The user operation is, for example, an operation of clicking on a predetermined position included in the map image.

[Modification Example of Application Example 1]
Below, the example of a change of the application example 1 of 1st Embodiment is demonstrated. In the first modification, the control unit 150 controls the image displayed on the display 120 according to the user's line of sight. Specifically, as shown in FIG. 8, when the user is viewing the display area 120A from the right side, an image on the left side is displayed on the display 120 as compared to the case where the user is facing the display area 120A. (The image on the left in the lower part of FIG. 8). Similarly, when the user is viewing the display area 120A from the left side, an image on the right side is displayed on the display 120 as compared to the case where the user is facing the display area 120A (the right side in the lower row of FIG. 8). image).

  Note that various known methods can be used to detect the user's line of sight. For example, the user's line of sight may be detected by a camera or the like.

[Application Example 2]
Hereinafter, an application example 2 of the first embodiment will be described. In Application Example 2, the image display device 100 is a television telescope as illustrated in FIG. In application example 1, it should be noted that the orientation of the imaging unit 110 and the orientation of the display 120 are individually controlled.

  As shown in FIG. 10, the image display device 100 includes an operation handle 121 for changing the orientation of the display 120. The operation handle 121 has a zoom button 122 for enlarging / reducing the image displayed on the display 120.

  Here, the control unit 150 basically controls the display 120 to display an image (current image 200) captured by the imaging unit 110. Therefore, the control unit 150 controls the orientation of the imaging unit 110 in accordance with the operation of the operation handle 121. Similarly, the control unit 150 controls the zoom of the imaging unit 110 according to the operation of the zoom button 122.

  By the way, in the case where the past image 400 (or the past image 300) is displayed on the display 120, the image captured by the imaging unit 110 is not displayed on the display 120. Therefore, the operation handle 121 and the zoom button 122 are displayed. There is no need to control the imaging unit 110 according to the operation.

  However, in Application Example 2, when the orientation of the display 120 is changed in a state where the past image 400 (or the past image 300) is displayed, the control unit 150 adjusts the orientation of the imaging unit 110 according to the orientation of the display 120. Control the orientation. That is, the control unit 150 controls the orientation of the imaging unit 110 according to the operation of the operation handle 121 even when the past image 400 (or the past image 300) is displayed. Similarly, the control unit 150 controls the zoom of the imaging unit 110 according to the operation of the zoom button 122 even when the past image 400 (or the past image 300) is displayed.

  Accordingly, when the display 120 is switched from the state in which the past image 400 (or the past image 300) is displayed to the state in which the current image 200 is displayed, the user's uncomfortable feeling can be reduced. In addition, the user can compare the current image with the past image from the same viewpoint.

(Past image)
Hereinafter, a past image according to Application Example 2 will be described. FIG. 11 is a diagram illustrating an example of the past image 400.

  As shown in FIG. 11, the past image 400 includes a background image 410 and an event image 420 as in the first embodiment. The background image 410 is a panoramic image larger than the display area 120A. The background image 410 is preferably a still image. The event image 420 is an image superimposed on a part of the background image 410. The event image 420 is preferably a moving image.

  In application example 2, the past image 400 includes an event start icon 440A and an event end icon 440B in addition to the information icon 430A. The event start icon 440A is a button for starting processing for displaying the event image 420. That is, the process of displaying the event image 420 is started by clicking the event start icon 440A. On the other hand, the event end icon 440B is a button for ending the process of displaying the event image 420. That is, the process of displaying the event image 420 ends when the event end icon 440B is clicked.

  Here, in Application Example 2, it should be noted that the event image 420 is an image obtained by enlarging a part of the background image 410 and is displayed instead of the background image 410. However, the event image 420 is preferably superimposed on a part of the background image 410 in the data state.

[Other Embodiments]
Although the present invention has been described with reference to the above-described embodiments, it should not be understood that the descriptions and drawings constituting a part of this disclosure limit the present invention. From this disclosure, various alternative embodiments, examples and operational techniques will be apparent to those skilled in the art.

  DESCRIPTION OF SYMBOLS 100 ... Image display apparatus, 110 ... Imaging part, 120 ... Display, 120A ... Display area, 121 ... Operation handle, 122 ... Zoom button, 130 ... Identification part, 140 ... Acquisition part, 150 ... Control part, 200 ... Current image, 300 ... Past image, 400 ... Past image, 410 ... Background image, 420 ... Event image, 430A ... Information icon, 430B ... Related image, 440A ... Event start icon, 430B ... Event end icon

Claims (9)

An image display device comprising a display,
A specifying unit for specifying the orientation of the display;
A control unit for controlling the display,
The said control part controls the said display to display the past image in the time before the present according to the direction specified by the said specific | specification part, The image display apparatus characterized by the above-mentioned. In addition to the orientation of the display, the specifying unit specifies the position of the image display device,
The image display apparatus according to claim 1, wherein the control unit controls the display to display the past image according to a direction and a position specified by the specifying unit. As the past image, an acquisition unit that acquires a background image and an event image superimposed on a part of the background image,
2. The image according to claim 1, wherein the control unit controls the display to superimpose and display the event image when a direction specified by the specifying unit is a specific direction. 3. Display device. The specifying unit specifies the tilt of the display,
The controller is
Controlling the display to display the past image when the tilt of the display is greater than a predetermined value;
The image display device according to claim 1, wherein the display is controlled to display a map image when the inclination of the display is smaller than a predetermined value. The controller is
In addition to the display, control the imaging unit,
When the application for displaying the past image is activated, if the position identified by the identifying unit is a predetermined position, the imaging unit is activated to display the image captured by the imaging unit The image display apparatus according to claim 1, wherein the display is controlled to do so. The controller is
In addition to the display, control the imaging unit,
When the application for displaying the past image is activated, if the position specified by the specifying unit is within a predetermined area including a predetermined position, the display is controlled to display a map image;
The display is controlled so that when the position specified by the specifying unit reaches the predetermined position, the image pickup unit is activated and an image picked up by the image pickup unit is displayed. Item 4. The image display device according to Item 1. The controller is
When the application for displaying the past image is activated, if the position specified by the specifying unit is outside a predetermined area including a predetermined position, the display is controlled to display a map image;
The image display device according to claim 1, wherein the display is controlled to display the past image corresponding to the predetermined position in response to a user operation. In addition to the display, the control unit controls the imaging unit,
The orientation of the imaging unit and the orientation of the display are individually controlled,
2. The control unit according to claim 1, wherein when the orientation of the display is changed while the past image is displayed, the control unit controls the orientation of the imaging unit according to the orientation of the display. Image display device. An image display method applied to an image display device including a display,
Identifying the orientation of the display A;
An image display method comprising: a step B of displaying a past image at a time point earlier than the current time according to the direction specified in the step A.