JP2011197056A - Display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device which is easy to use by an intuitive operation for a user.SOLUTION: The display device includes: a display part; a storage part for storing images; a first operation part for receiving an operation by a user; a mode selection part for selecting a first mode and a second mode; a first display control for executing control so as to display the image stored in the storage part at the display part in the first mode and executing control so as to enlarge/reduce and display the image displayed at the display part when the first operation part receives the operation; and a second display control part for executing control so as to display a map at the display part in the second mode and executing control so as to increase/decrease the scale of the map displayed at the display part and display it when the first operation part receives the operation.

Description

  The present invention relates to a display device. In particular, the present invention relates to a display device capable of changing display contents by a user's operation.

  A digital camera capable of displaying a map is known. For example, Patent Document 1 discloses a digital camera that can display a route distance and a required time by specifying a route on a map using a zoom button and a MENU / OK button and inputting scale information and an average moving speed. Disclosure.

JP 2005-62048

  The map mode operation means disclosed in Patent Document 1 uses a zoom button that is equipped as a function of a normal digital camera, so that a new mechanism is unnecessary. However, when the zoom button is operated, an operation of specifying a route on the map and inputting scale information and an average moving speed is executed, and the operation is different from the original operation of the zoom button. For this reason, there is a problem that the user cannot perform an intuitive operation and the usability is poor.

  The present invention has been made in view of the above problems, and an object thereof is to provide a display device that is easy to use by an intuitive operation for a user.

  In order to solve the above problems, an imaging apparatus according to the present invention includes a display unit, a storage unit that stores an image, a first operation unit that receives an operation by a user, a first mode, and a second mode. A mode selection unit that selects the image, and in the first mode, the image stored in the storage unit is controlled to be displayed on the display unit, and when the first operation unit accepts the operation, the image is displayed on the display unit. A first display control unit that controls to display an enlarged / reduced image and, in the second mode, controls to display a map image on the display unit, and when the first operation unit receives an operation. And a second display control unit for controlling the scale of the map image displayed on the display unit to be displayed in a large / small manner.

  According to the present invention, it is possible to provide a display device that is easy to use by an intuitive operation for the user.

Electrical configuration diagram of the digital camera 100 Rear view of digital camera 100 Flow chart for explaining playback mode MAP playback mode image Diagram showing the operation table in normal playback mode The figure showing the operation table of MAP reproduction mode Image of zoom operation in normal playback mode Image of cross operation in normal playback mode Image of zoom operation in MAP playback mode Image of cross operation in MAP playback mode

[1. (Configuration of digital camera)
The digital camera 100 according to Embodiment 1 has a function of displaying a map and a still image, and can display the map and the still image in association with each other by various user operations. The configuration and operation of the digital camera 100 will be described.

[1-1. Constitution〕
Hereinafter, the configuration of the digital camera 100 will be described with reference to the drawings.

[1-1-1. (Configuration of digital camera)
FIG. 1 is an electrical configuration diagram of the digital camera 100. The digital camera 100 captures a subject image formed via the optical system 110 with the CCD image sensor 120. The CCD image sensor 120 generates image data based on the captured subject image. The image data generated by imaging is subjected to various processes in a preprocessing unit (AFE: Analog Front End) 121 and an image processing unit 122. The image data is stored in the flash memory 142 or the memory card 140. The image data stored in the flash memory 142 or the memory card 140 is reproduced and displayed on a liquid crystal display (LCD) 123 in response to an operation of the operation unit 150 by the user.

  The optical system 110 includes a focus lens 111, a zoom lens 112, a diaphragm 113, a shutter 114, and the like. Although not shown, the optical system 110 may include an optical image stabilization lens OIS (Optical Image Stabilizer). The various lenses constituting the optical system 110 may be composed of any number of lenses or any number of groups.

  The focus lens 111 is used for adjusting the focal length. The zoom lens 112 is used to adjust the enlargement / reduction ratio. The diaphragm 113 is used to adjust the amount of light incident on the CCD image sensor. The shutter 114 adjusts the exposure time of light incident on the CCD image sensor. The focus lens 111, the zoom lens 112, the diaphragm 113, and the shutter 114 are driven in accordance with control signals notified from the controller 130 by corresponding driving means (not shown) such as a DC motor and a stepping motor.

  The CCD image sensor 120 captures a subject image formed through the optical system 110 and generates image data. The CCD image sensor 120 generates image data of a new frame at regular time intervals. The CCD image sensor 120 adjusts the amount of exposure light by an electronic shutter operation. In the present invention, instead of the CCD image sensor 120, another image pickup device such as a CMOS image sensor or an NMOS image sensor may be used.

  The preprocessing unit 121 performs processes such as correlated double sampling and gain adjustment on the image data generated by the CCD image sensor 120. Also, conversion from analog image data to digital image data is performed. Thereafter, the preprocessing unit 121 outputs the image data to the image processing unit 122.

  The image processing unit 122 performs various processes on the image data. Examples of various processing include, but are not limited to, gamma correction, white balance correction, YC conversion processing, electronic zoom processing, compression processing, expansion processing, and the like. Moreover, it is good also as a structure which lacks these one part. The image processing unit 122 may be configured with a hard-wired electronic circuit or a microcomputer using a program. Further, it may be constituted by one semiconductor chip together with the controller 130 or the like.

  The controller 130 controls the overall operation of the digital camera 100. The controller 130 includes a ROM (not shown) that stores information such as programs, and a CPU (not shown) that processes information such as programs. The ROM stores a program for comprehensively controlling the operation of the entire digital camera 100 in addition to programs related to focus control and exposure control.

  The controller 130 may be configured with a hard-wired electronic circuit or a microcomputer. Further, it may be constituted by one semiconductor chip together with the image processing unit 122 and the like. The ROM does not have to be an internal configuration of the controller 130 and may be provided outside the controller 130.

  The buffer memory 124 is a storage unit that functions as a work memory for the image processing unit 122 and the controller 130. The buffer memory 124 can be realized by a DRAM (Dynamic Random Access Memory) or the like.

  The flash memory 142 functions as an internal memory for storing image data and the like. The controller 130 stores the image data processed by the image processing unit 122 in the flash memory 142 or the memory card 140. The flash memory 142 stores information about the map. The controller 130 reads out information about the map from the flash memory 142 and displays it on the liquid crystal display 123 in the MAP playback mode described later.

  The card slot 141 is a connection means that allows the memory card 140 to be attached and detached. The card slot 141 can connect the memory card 140 electrically and mechanically. The card slot 141 may have a function of controlling the memory card 140.

  The memory card 140 is an external memory provided with a storage unit such as a flash memory. The memory card 140 can store data such as image data processed by the image processing unit 122. In this embodiment, the memory card 140 is shown as an example of the external memory, but the present invention is not limited to this. For example, a storage medium such as an optical disk may be used as the external memory.

  The operation unit 150 is a general term for operation buttons and operation dials provided on the exterior of the digital camera 100, and accepts an operation by a user. For example, as shown in FIG. 2, a release button 201, a zoom dial 202, a selection button 203, and the like correspond to this. When receiving an operation by the user, the operation unit 180 notifies the controller 150 of various operation instruction signals.

  The liquid crystal display 123 is provided on the back surface of the digital camera 100. The liquid crystal display 123 displays an image based on the image data processed by the image processing unit 122. The images displayed on the liquid crystal display 123 include a through image and a stored image. The through image is an image in which images of new frames generated every certain time by the CCD image sensor 120 are continuously displayed. The user can take a picture while confirming the composition of the subject by referring to the through image displayed on the liquid crystal display 170. The stored image is an image stored in the memory card 140 or the flash memory 142. The liquid crystal display 123 displays an image based on the already stored image data in accordance with a user operation. In addition to the image, the liquid crystal display 123 can display the setting conditions of the digital camera 100 and the like.

  The gyro 160 detects a shake in the yawing direction and a shake in the pitching direction based on an angle change per unit time of the digital camera 100, that is, an angular velocity. The gyro 160 outputs a gyro signal indicating the detected amount of shake to the controller 130.

[1-1-2. Digital camera rear configuration)
FIG. 2 is a rear view of the digital camera 100. An outline of the operation of the digital camera 100 will be described with reference to FIG. The operation unit 150 is a general term for operation buttons and operation levers provided on the exterior of the digital camera 100, and accepts an operation by a user. For example, the release button 201, the zoom lever 202, the power button 203, the selection button 204, the determination button 205, and the like shown in FIG. When the operation unit 150 receives an operation by the user, the operation unit 150 notifies the controller 130 of various operation instruction signals.

  The release button 201 is a two-stage push button. When the release button 201 is pressed halfway by the user, the controller 130 executes an AF operation, an AE operation, or the like. When the release button 201 is fully pressed by the user, the controller 130 records image data captured at the timing of the pressing operation on the memory card 140 or the like as a recorded image.

  When operated by the user, the zoom lever 202 notifies the controller 130 of an operation instruction signal for driving the zoom lens 112. That is, when the zoom lever 202 is operated to the wide angle end, the controller 130 drives the zoom lens 112 so that the subject can be captured at a wide angle. Similarly, when the zoom lever 202 is operated to the telephoto end, the controller 130 drives the zoom lens 112 so that the subject can be captured at the telephoto end. Zooming in to operate the zoom lever to the telephoto end. The operation to the wide-angle end side is called zoom-out operation. The above is the description of the operation of the zoom lever 202 when the digital camera 100 is in the shooting mode. The operation of the zoom lever 202 in the playback mode will be described later.

  The power button 203 is a push button for turning on / off the power supply to each part constituting the digital camera 100. When the power button 203 is pressed by the user when the power is turned off, the controller 130 supplies power to each unit constituting the digital camera 100 and activates it. When the power button 203 is pressed by the user when the power is turned on, the controller 130 stops the power supply to each unit.

  The selection button 204 is a push button provided in the up / down / left / right directions. The user can select various condition items displayed on the liquid crystal display 123 by pressing any direction of the selection button 204.

  The decision button 205 is a push button. When the determination button 205 is pressed by the user while the digital camera 100 is in the shooting mode or the playback mode, the controller 130 displays a menu screen on the liquid crystal display 123. The menu screen is a screen for setting various conditions for shooting / playback. When the determination button 205 is pressed when a setting item for various conditions is selected, the controller 130 finalizes the setting of the selected item.

[1-1-3. Correspondence with the present invention]
The liquid crystal display 123 is an example of the display unit of the present invention. The card slot 141 is an example of an acquisition unit of the present invention. The zoom lever 202 is an example of a first operation unit of the present invention. The selection button 204 and the determination button 205 are examples of the mode selection unit of the present invention. The controller 130 is an example of a first display control unit of the present invention. The controller 130 is an example of a second display control unit of the present invention. The selection button 204 is an example of the second operation unit of the present invention. The digital camera 100 is an example of the display device of the present invention.

[1-2. (Playback mode operation)
The playback mode of the digital camera 100 according to the present invention will be described with reference to FIG. The digital camera 100 has a normal playback mode and a MAP playback mode as playback modes. The normal playback mode is a mode for playing back still images stored in the flash memory 142 or the memory card 140. The MAP playback mode is a mode in which a map and a still image are displayed in association with each other based on position information and place name information attached to the still image. In the digital camera 100 according to the first embodiment, the position information acquired from GPS or the like is stored in the still image header. However, the present invention is not limited to this, and place name information such as a prefectural name, a municipality name, and the nearest landmark may be stored in a still image EXIF (Exchangeable Image File Format). FIG. 4 shows an example of the MAP playback mode. A map is displayed on the liquid crystal display 123, and if there is a still image shot in the area shown in the displayed map, the shooting location is displayed as a mark. Note that the MAP playback mode in the present invention is not necessarily limited to an object represented by a map and a mark. For example, it may be displayed as a still image thumbnail image or a reduced image instead of the mark.

The digital camera 100 can switch between a shooting mode and a playback mode. When the digital camera 100 transitions to the playback mode (S300), the user displays the menu screen by operating the selection button 204 or the decision button 205, and sets the normal playback mode from the menu screen or MAP playback. Whether to set the mode can be selected (S301).
Hereinafter, detailed operations of the camera in response to user operations when the normal playback mode is set (S302) and when the MAP playback mode is set (S303) will be described with reference to the drawings.

[1-2-1. Normal playback mode)
FIG. 5 shows an operation table in the normal playback mode. The normal playback mode has two states, a normal display state and an enlarged display state.

  First, the operation in the normal display state in the normal playback mode will be described. At this time, the user can enlarge / reduce the still image displayed on the liquid crystal display 123 by operating the zoom lever 202. Specifically, when the user operates the zoom lever 202 to zoom in, a part of the still image displayed on the liquid crystal display 123 is enlarged and displayed. On the other hand, when the user operates the zoom lever 202 to zoom out, the still image displayed on the liquid crystal display 123 is reduced and displayed. An image of the screen displayed on the liquid crystal display 123 at this time is shown in FIG.

  In the normal display state in the normal playback mode, the user can switch the still image displayed on the liquid crystal display 123 by operating the selection button 204. Specifically, when the user presses the left / right key of the selection button 204, images stored before and after the currently displayed image are displayed on the liquid crystal display 123. In the first embodiment, nothing is done when the user presses the up / down key of the selection button 204 at this time. However, the present invention is not limited to this. For example, the up key has the same function as the left key. The lower key may have the same function as the right key.

  Next, an operation in the enlarged display state in the normal playback mode will be described. The enlarged display state is a state when zooming in from the normal display state. At this time, the user can enlarge / reduce the still image displayed on the liquid crystal display 123 by operating the zoom lever 202. Specifically, when the user operates the zoom lever 202 to zoom in, a part of the still image displayed on the liquid crystal display 123 is enlarged and displayed. On the other hand, when the user operates the zoom lever 202 to zoom out, the still image displayed on the liquid crystal display 123 is reduced and displayed. An image of the screen displayed on the liquid crystal display 123 at this time is shown in FIG.

  In the enlarged display state in the normal playback mode, the user can move the display position of the zoomed-in image enlarged and displayed on the liquid crystal display 123 by operating the selection button 204. Specifically, when the user presses the up / down / left / right key of the selection button 204, the current enlarged display portion is moved in the up / down / left / right direction to be displayed on the liquid crystal display 123. An image of the screen displayed on the liquid crystal display 123 at this time is shown in FIG.

[1-2-2. About MAP playback mode]
FIG. 6 shows an operation table in the MAP playback mode. The MAP playback mode has two states, a normal MAP display state and a special MAP display state.

  First, the operation in the normal MAP display state in the MAP playback mode will be described. At this time, the user can increase / decrease the scale of the map displayed on the liquid crystal display 123 by operating the zoom lever 202. Specifically, when the user operates the zoom lever 202 to zoom in, a larger scale map is displayed on the liquid crystal display 123 (switch to a detailed map). On the other hand, when the user operates the zoom lever 202 to zoom out, a smaller scale map is displayed on the liquid crystal display 123 (switch to a wide area map). In FIG. 9, an operation when the screen D900 to the screen D901 are displayed on the liquid crystal display 123 indicates this. As described above, in the MAP playback mode of the digital camera 100, the user can execute enlargement / reduction of the map scale by operating the zoom lever 202. When the map scale is enlarged, the map contents become detailed, so that the detailed map is displayed on the liquid crystal display 123 as if the image was zoomed in. Similarly, when the map scale is reduced, the map contents become a wide area, so that the wide area map is displayed on the liquid crystal display 123 as if it were zoomed out. In this manner, by making the zoom-in / zoom-out operation of the image correspond to the zoom-in / zoom-out operation of the map scale, an intuitive and easy-to-understand operation for the user becomes possible. Since the operation is intuitive and easy to understand, the user can easily know what kind of photograph was taken in which region.

  In the normal MAP display state in the MAP playback mode, the user can move the display position of the map displayed on the liquid crystal display 123 by operating the selection button 204. Specifically, when the user presses the up / down / left / right key of the selection button 204, the display position is shifted in the north-south-west direction based on the display position of the currently displayed map. An image of the screen displayed on the liquid crystal display 123 at this time is shown in FIG.

  Next, an operation in the special MAP display state in the MAP playback mode will be described. The special MAP display state is a state when still image information related to the map displayed in the normal MAP display state satisfies a predetermined condition. In the first embodiment, as a predetermined condition, a case where a map displayed on the liquid crystal display 123 is not less than a predetermined scale is illustrated.

  At this time, when the user operates the zoom lever 202 to zoom in, the liquid crystal display 123 displays a still image thumbnail list screen having position information within the range of the map displayed immediately before the zoom-in operation. The user can select a desired still image from the thumbnail list screen by operating the selection button 204 and press the enter button 205 to display the selected still image on the liquid crystal display 123. . Accordingly, the user can display a desired image on the liquid crystal display 123 with a smaller number of operations from the state where the map is displayed. On the other hand, when the user operates the zoom lever 202 to zoom out, a smaller scale map is displayed on the liquid crystal display 123 (switch to a wide area map). In FIG. 9, the operations when the screen D <b> 902 to the screen D <b> 904 are displayed on the liquid crystal display 123 indicate this.

  In the normal MAP display state in the MAP playback mode, the user can move the display position of the map displayed on the liquid crystal display 123 by operating the selection button 204. Specifically, when the user presses the up / down / left / right key of the selection button 204, the display position is shifted in the north-south-west direction based on the display position of the currently displayed map. An image of the screen displayed on the liquid crystal display 123 at this time is shown in FIG.

[2. Other Embodiments]
The present invention is not limited to the above embodiment, and various embodiments can be considered. Hereinafter, other embodiments will be described together.

  In the digital camera 100 of the first embodiment, the map and the still image are displayed in association with each other, but the present invention is not limited to this. A map and a video may be displayed in association with each other. Further, as the moving images to be associated, one moving image may be displayed as a representative image. Further, for example, when a moving image is shot while moving, the movement trajectory may be expressed by a line or a plurality of representative images. In the case of a video, the location information where the video was shot, the name of the prefecture where it was shot, the name of the city, the nearest landmark, etc. may be stored in the video management file part, or embedded in the video itself. Anyway.

  In the digital camera 100 according to the first embodiment, in the special MAP display state in the MAP playback mode, the thumbnail list of still images having position information within the range of the map displayed on the liquid crystal display 123 immediately before the zoom-in operation is displayed. Although the screen is displayed, the present invention is not limited to this. That is, the map scale may be enlarged by a zoom-out operation, and for example, when a world map is reached, a thumbnail screen may be displayed next.

  In the digital camera 100 of the first embodiment, the user may be allowed to select whether to move to the thumbnail list screen before moving to the thumbnail list screen. As a result, if the user does not want to know the still image included in the area displayed on the map but wants to know the shooting location of the still image in more detail, the thumbnail list screen is not displayed. There is an advantage that the map scale can be enlarged.

  In the digital camera 100 of the first embodiment, the case where the map displayed on the liquid crystal display 123 is not less than a predetermined scale is exemplified as the predetermined condition, but the present invention is not limited to this. For example, the predetermined condition may be a case where the number of still images having position information within the range of the map displayed on the liquid crystal display 123 is a predetermined number or less. Further, as the predetermined condition, the place name information associated with the image corresponding to the map displayed on the liquid crystal display 123 may belong to the same category. For example, this corresponds to a case where all the place name information associated with the image corresponding to the displayed map belongs to “Osaka Prefecture”. As a result, a thumbnail list screen of images included in the same category can be displayed.

  Moreover, although the case where the map displayed on the liquid crystal display 123 is not less than a predetermined scale in the digital camera 100 of the first embodiment has been illustrated, the present invention is not limited to this. The map displayed on the liquid crystal display 123 may be a predetermined scale or less. At this time, for example, the thumbnail list screen may be displayed when the zoom-out operation is performed from the screen D900 of FIG. The thumbnail list image at this time may display all the images stored in the memory card 140.

  As described above, the digital camera 100 is easy to use by an intuitive operation for the user.

  The present invention is not limited to application to a digital camera. That is, the present invention can be applied to a display device such as a movie camera or a mobile phone equipped with map information.

DESCRIPTION OF SYMBOLS 100 Digital camera 111 Focus lens 112 Zoom lens 113 Aperture 114 Shutter 120 CCD image sensor 121 AFE (Analog Front End)
122 Image processing unit 123 Liquid crystal display 124 Buffer memory 130 Controller 140 Memory card 141 Card slot 142 Flash memory 150 Operation unit 160 Gyro sensor 201 Release button 202 Zoom lever 203 Power button 204 Select button 205 Enter button

Claims (6)

A display unit;
An acquisition unit for acquiring images;
A first operation unit for accepting an operation by a user;
A mode selection unit for selecting a first mode and a second mode;
In the first mode, the acquired image is controlled to be displayed on the display unit, and when the first operation unit receives an operation, the image displayed on the display unit is enlarged or reduced. A first display control unit to control;
In the second mode, control is performed to display a map on the display unit, and when the first operation unit receives an operation, the scale of the map displayed on the display unit is enlarged or reduced. A second display control unit to control;
A display device comprising: A second operation unit that accepts an operation by a user and outputs information about a direction;
When the second operation unit accepts an operation, the first display control unit controls the image displayed on the display unit to move and display the image according to the information on the direction.
The second display control unit, when the second operation unit receives an operation, controls to display the map image displayed on the display unit according to the information on the direction,
The display device according to claim 1. The second display control unit is displayed on the display unit when the first operation unit accepts an operation when the first operation unit accepts the operation and satisfies a predetermined condition. Control to display an image corresponding to a map on the display unit;
The display device according to claim 1. The predetermined condition is that the map displayed on the display unit is not less than a predetermined scale,
The display device according to claim 3. The predetermined condition is characterized in that the number of images corresponding to the map displayed on the display unit is a predetermined number or less,
The display device according to claim 3. The acquisition unit acquires an image associated with the place name information,
The predetermined condition is a case where place name information associated with an image corresponding to a map displayed on the display unit belongs to the same category,
The display device according to claim 3.

Images