JP2005086761A - Image display control apparatus, digital camera and image display control program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image display control apparatus capable of searching desired image data from among image data by a simple operation. <P>SOLUTION: If the user of a digital camera 100 operates an operating section to set the digital camera at a reproducing mode, an image 1 is displayed on a display unit. In this state, if the user keeps repeating an operation (1) as shown in Fig. (a), images are switched and displayed in an order of images 1 to 2 to 3 to 4 to 5 to 6 and to 7. As shown in the Fig. (a), if the user performs an operation (a) when the image 2 is displayed on the display unit, the first image 4 among images photographed in April is displayed on the display unit. Still further, if the user performs the operation (2) in this case, the first image 6 among images photographed in May is displayed on the display unit. If the user keeps performing the operation (1) with the image 4 or 6 displayed on the display unit, the image is switched and displayed in an order from the images 4 to 6. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an image display control device, a digital camera, and an image display control program for controlling display of an image based on image data recorded on a recording medium.

2. Description of the Related Art Conventionally, as a technique for retrieving desired captured image data from a plurality of captured image data recorded on a recording medium, for example, there is a captured image display device described in Patent Document 1. This device classifies captured image data stored in a storage medium according to the shooting date, displays the classified captured image data in correspondence with a calendar, and includes the specified shooting date from the calendar. An image based on photographed image data can be displayed. According to this apparatus, a user gives an instruction to display a calendar, selects a desired date, and retrieves desired captured image data from captured image data captured on the selected date. Desired captured image data can be easily retrieved from the image data.
JP 11-215457 A

  However, in the apparatus described in Patent Document 1, in order to search for desired captured image data, a calendar is displayed, and a desired date is selected from the displayed calendars to search for captured image data. It must be cumbersome.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide an image display control device, a digital camera, and an image display control program capable of searching for a desired image with a simple operation. To do.

  An image display control apparatus according to the present invention is an image display control apparatus that controls display of an image based on image data recorded on a recording medium, and the recording medium stores the image data in association with the image data. Image time information is recorded, and in accordance with a first display switching instruction for instructing switching of an image to be displayed, image data according to the recording order on the recording medium is displayed as image data to be displayed next. In response to a second display switching instruction to select and instruct switching of the image to be displayed, among the plurality of image data groups classified based on the shooting time point information as the image data to be displayed next Display image selecting means for selecting image data included in an image data group different from the image data group including the image data being displayed.

  With this configuration, in response to the first display switching instruction, the image data to be displayed next can be switched to the image data according to the recording order of the image data on the recording medium. Further, in response to the second display switching instruction, the image data to be displayed next is not the image data according to the recording order of the image data on the recording medium, but a plurality of images classified based on the photographing time point information. Of the data group (for example, the image data group photographed in March, the image data group photographed in April, the image data group photographed in May), the image data group that does not include the image data being displayed. It is possible to switch to the included image data. For this reason, for example, an image captured in March is obtained by a simple operation of performing a second display switching instruction while confirming an image in the recording order on the recording medium by performing a first display switching instruction. Images taken in the month and images taken in the May can be sequentially switched and displayed, and a desired image can be searched without displaying all the images.

  In the image display control device according to the present invention, the display image selection unit may display a display image of the plurality of image data groups as the image data to be displayed next in response to the second display switching instruction. Among the image data included in the image data group different from the image data group including the middle image data, the image data recorded first or last on the recording medium is selected.

  With this configuration, in response to the second display switching instruction, for example, among the image data included in the image data group captured in April, an image based on the image data recorded first or last on the recording medium is displayed. Can be made. For this reason, the user can confirm the images based on the image data included in the image data group photographed in April in order from the one recorded first or last on the recording medium. Therefore, the convenience of image search can be improved.

  In the image display control apparatus according to the present invention, the display image selection unit selects image data to be displayed next in response to the second display switching instruction, and then includes image data including the selected image data. Only image data included in the group is to be selected as image data to be selected in response to the first display switching instruction.

  With this configuration, for example, after an image captured in April is displayed in response to the second display switching instruction, only images captured in April are sequentially switched in response to the first display switching instruction. Can be displayed. For this reason, the user performs the second display switching instruction to display the image captured in the desired month, and then performs the first display switching instruction to display only the image captured in that month. It can be switched and displayed sequentially. Therefore, the convenience of image search can be improved.

  According to the present invention, it is possible to provide an image display control device, a digital camera, and an image display control program capable of searching for a desired image with a simple operation.

  FIG. 1 is a diagram showing a schematic configuration of a digital camera equipped with an image display control device for explaining the best mode for carrying out the present invention.

  The digital camera 100 includes an operation unit 11, a recording medium 12, a photographing processing unit 13, a display unit 14, an internal memory 15, and a control unit 16.

  The operation unit 11 performs various operations when the digital camera 100 is used, and performs an operation mode (shooting mode, playback mode, etc.) of the digital camera 100, a shooting method at the time of shooting, shooting conditions, settings, and the like. The operation unit 11 includes, for example, a cross key, a button, a jog dial, and the like. By operating the operation unit 11, the instruction is transmitted to the control unit 16, and the control unit 16 performs various operations.

  The recording medium 12 is a removable medium such as a smart media (registered trademark), a compact flash (registered trademark), or an SD memory card (registered trademark) that can be attached to and detached from the digital camera 100 main body. A plurality of image data is stored. The storage medium 12 is not limited to a removable medium, but may be a memory including a flash memory built in the digital camera 100 main body.

  FIG. 2 is a diagram illustrating a file configuration example of the recording medium 12.

  As shown in the figure, the recording medium 12 records image data of file names 1 to 7 and shooting time information (for example, shooting date and time) of the image data in association with each other. File names 1 to 3 were taken in March, file names 4 and 5 were taken in April, and file names 6 and 7 were taken in May. Hereinafter, the images based on the image data of the file names 1 to 7 will be referred to as images 1 to 7, respectively.

  The imaging processing unit 13 includes an optical system including an imaging lens, a diaphragm mechanism, an autofocus mechanism, and the like, a solid-state imaging device such as a CCD, and a signal processing unit, and is imaged on the CCD via the optical system. A subject image is converted into an electrical signal, and predetermined electrical signal processing is performed on the electrical signal to generate image data. The image data generated here is recorded on the recording medium 12 together with the photographing time point information in the order of photographing.

  The display unit 14 includes, for example, an LCD display device, and displays an image based on the image data recorded on the recording medium 12. In addition, it is possible to display a through image at the time of shooting, various states of the digital camera 100, information on operations, and the like.

  The internal memory 15 is, for example, a DRAM and is used as a work memory for the imaging processing unit 13 and the control unit 16, as well as a buffer memory for temporarily storing image data recorded on the recording medium 12 and a display unit 14. It is also used as a buffer memory for display image data.

  The control unit 16 is mainly configured by a processor that operates according to a predetermined program recorded in a ROM (not shown), and performs overall control of each unit. The control unit 16 controls the display on the display unit 14 based on the image data recorded on the recording medium 12.

  In response to a first display switching instruction (for example, pressing the cross key once to the left or right) in response to a first display switching instruction that instructs switching of the image to be displayed on the display unit 14, the control unit 16 A second display switching instruction for selecting image data according to the recording order on the recording medium 12 as data and instructing switching of an image to be displayed (for example, a long press operation of the cross key left or right) Accordingly, image data different from the image data group including the image data being displayed on the display unit 14 among the plurality of image data groups classified based on the shooting time point information as image data to be displayed next. Image data included in the group is selected.

  For example, the control unit 16 classifies the image data recorded on the recording medium 12 according to the second display switching instruction according to the shooting date, and sets the image data obtained as a result of the classification (shooted in March to May). Selected image data group different from the image data group including the image data being displayed on the display unit 14 at the time when the second display switching instruction is issued, and the selected image data Of the image data included in the group, the image data recorded first or last on the recording medium 12 is selected. Note that when the image data is recorded on the recording medium 12 in a state of being classified in advance by the shooting date, the control unit 16 does not need to perform the classification.

  The control unit 16 sequentially changes the selected image data group to that of the new shooting month according to the shooting date and time of the image displayed on the display unit 14 when the second display switching instruction is given. . For example, if the image displayed on the display unit 14 is taken in March when the second display switching instruction is given, the control unit 16 selects the image data group taken in April. To do. If the image displayed on the display unit 14 is taken in April when the second display switching instruction is given, the control unit 16 selects the image data group taken in May. To do.

  On the other hand, when the display switching of images is performed in the reverse order to the above, the control unit 16 sequentially changes the selected image data group to that of the old photographing month. For example, when the image displayed on the display unit 14 is taken in May when the second display switching instruction is given, the control unit 16 selects the image data group taken in April. To do. In addition, when the image displayed on the display unit 14 is taken in April when the second display switching instruction is given, the control unit 16 selects the image data group taken in March. To do.

  Hereinafter, the operation of the digital camera 100 will be described with reference to the screen transition of the display unit 14.

  FIG. 3 is a diagram showing screen transition of the display unit of the digital camera for explaining the best mode for carrying out the present invention. FIG. 3A shows a case where images are switched and displayed in the order of recording on the recording medium 12. FIG. 8B is a diagram showing screen transition when images are switched and displayed in the reverse order to the recording order on the recording medium 12.

  In FIG. 3, reference numeral (1) represents an operation of pressing the right of the cross key once. Reference numeral (2) represents an operation of pressing and holding the right of the cross key. Reference numeral (3) represents an operation of pressing the left side of the cross key once. Reference numeral (4) represents an operation of long pressing the left of the cross key. In FIG. 3, the flow of screen transition when the operations of symbols (1) to (4) are performed is indicated by arrows.

  When the user of the digital camera 100 operates the operation unit 11 to set the digital camera 100 to the reproduction mode, the image 1 is displayed on the display unit 14. In this state, when the user repeatedly performs the operation (1), as shown in FIG. 3A, the display unit 14 has an image 1 → image 2 → image 3 → image 4 → image 5 → image. Images are switched and displayed in the order of 6 → image 7.

  As shown in FIG. 3A, when the user performs the operation (2) while the image 2 is displayed on the display unit 14, the first image 4 of the images taken in April is displayed. Displayed on the unit 14. Here, when the user performs the operation (2), the first image 6 among the images taken in May is displayed on the display unit 14. When the user performs the operation (1) in a state where the images 4 and 6 are displayed on the display unit 14, the images are switched and displayed in order from the images 4 and 6.

  Further, when the user of the digital camera 100 repeatedly performs the operation (3) in the opposite direction to the operation (1) from the state in which the image 7 is displayed on the display unit 14, it is shown in FIG. Thus, the display unit 14 switches and displays images in the order of image 7 → image 6 → image 5 → image 4 → image 3 → image 2 → image 1.

  As shown in FIG. 3B, when the user performs the operation (4) while the image 7 is displayed on the display unit 14, the last image 5 among the images taken in April is displayed. Displayed on the unit 14. Here, when the operation (4) is further performed, the last image 3 among the images photographed in March is displayed on the display unit 14. When the user performs the operation (3) in a state where the image 5 and the image 3 are displayed on the display unit 14, the images are switched and displayed in order from the image 5 and the image 3.

  As described above, according to the digital camera 100, as shown in FIG. 3A, the user presses the right side of the cross key to sequentially check the images, and while the image is being displayed, By simply pressing the button, you can skip images in the middle and check images taken in March, images taken in April, images taken in May, and so on. The desired image can be searched without displaying all the images on the display unit 14.

  When images are displayed in the order of recording on the recording medium 12, if the operation (2) is performed while the image 2 is being displayed as shown in FIG. The first image of the image of the shooting month (April) that is newer than (March) is displayed on the display unit 14. For this reason, the user can confirm the image image | photographed in April from the beginning.

  When images are displayed in the reverse order of the recording order on the recording medium 12, if the user performs the operation (4) while the image 7 is displayed, as shown in FIG. The last image of the shooting month (April) that is older than the shooting month (May) of the displayed image is displayed on the display unit 14. When displaying the images in the reverse order, assuming that the image displayed on the display unit 14 by the operation (4) is the first image taken in April, the user moves the cross key to the left. In spite of the operation of pressing the button, the cross key must be pressed to the right in order to confirm the image shot in April, and the operability deteriorates. . However, according to the digital camera 100, such deterioration in operability can be prevented.

  In the digital camera 100 of this embodiment, when the operations (2) and (4) are performed, the control unit 16 operates only the image based on the image data included in the selected image data group ( The display may be sequentially switched according to 1) or (3).

  For example, in FIG. 3A, after image 4 is displayed by operation (2), every time operation (1) is performed, image 4 → image 5 → image 4 → image 5 → image 4 → For example, the image is displayed only in the image data group selected by the control unit 16. By doing so, for example, while the image captured in April is sequentially switched and displayed by performing the operation (1), the display is suddenly switched to the image captured in May. Can be prevented. For this reason, it is useful when it is desired to sequentially check only images of a desired shooting month.

  In this embodiment, the first display switching instruction and the second display switching instruction are performed by operating the cross key. For example, a menu icon is displayed on each image displayed on the display unit 14. When the user selects the menu icon, the first display switching instruction and the second display switching instruction may be performed.

  In the present embodiment, the images are switched and displayed in accordance with the first display switching instruction and the second display switching instruction from the user. However, the images are automatically displayed every predetermined time as in a slide show. Even in the case of switching display, the above-described contents can be applied. In this case, a first display switching instruction may be automatically input to the control unit 16 every predetermined time, and the control unit 16 may perform display control according to the input instruction.

The figure which shows schematic structure of the digital camera carrying the image display control apparatus for demonstrating the best form for implementing this invention The figure which shows the file structural example of the recording medium of the digital camera carrying the image display control apparatus for demonstrating the best form for implementing this invention It is a figure which shows the screen transition of the display part of the digital camera for demonstrating the best form for implementing this invention, (a) shows a screen transition when switching and displaying an image in the order of recording on a recording medium. FIG. 4B is a diagram showing screen transition when images are switched and displayed in the reverse order to the recording order on the recording medium.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Digital camera 11 Operation part 12 Recording medium 13 Image pick-up process part 14 Display part 15 Internal memory 16 Control part

Claims (5)

An image display control device for controlling display of an image based on image data recorded on a recording medium,
In the recording medium, shooting time information of the image data is recorded in association with the image data,
In response to a first display switching instruction for instructing switching of an image to be displayed, image data according to a recording order on the recording medium is selected as image data to be displayed next, and the image to be displayed is selected. In response to a second display switching instruction for instructing switching, the image data to be displayed next includes image data being displayed from among a plurality of image data groups classified based on the photographing time point information. An image display control device comprising display image selection means for selecting image data included in an image data group different from the image data group. The image display control device according to claim 1,
In response to the second display switching instruction, the display image selection means is an image data group that includes the currently displayed image data among the plurality of image data groups as the image data to be displayed next. An image display control apparatus for selecting image data recorded first or last on the recording medium from among image data included in different image data groups. The image display control device according to claim 1 or 2,
The display image selection means selects the image data to be displayed next in response to the second display switching instruction, and then selects only the image data included in the image data group including the selected image data. An image display control device that is a selection target of image data to be selected in response to one display switching instruction.   A digital camera provided with the image display control apparatus in any one of Claims 1-3.   An image display control program for causing a computer to function as the image display control device according to claim 1.

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