JP5010420B2 - Image reproducing apparatus, program, and image reproducing method - Google Patents

Description

  The present invention relates to an image reproducing apparatus, a program, and an image reproducing method for simultaneously reproducing a plurality of moving image data generated by dividing moving image data and displaying the moving images of the plurality of moving image data simultaneously on one screen. It is about.

  In recent years, digital cameras that convert a still image or a moving image of a subject captured by a CCD image sensor into digital image data and store the digital image data in a storage unit such as an internal memory or a memory card have become widespread. In particular, digital cameras capable of storing moving image data (hereinafter referred to as moving image data) have become widespread due to the low cost and increased capacity of storage means mounted on digital cameras.

  Such a digital camera displays still image data (hereinafter referred to as still image data) and moving image data stored in the storage means on a display means such as a liquid crystal display provided on the back of the digital camera body. Thus, it has a playback function that allows viewing on the spot.

  However, when reproducing the stored moving image data, the user does not know what content is recorded in which portion of the moving image data to be reproduced. Therefore, even when the user wants to view only the most important scene (scene) of the moving image data, he / she has to find the desired scene by watching the moving image data from the beginning, which is very troublesome. It was.

  Therefore, in order to solve such problems, frame images are extracted from the captured video at regular intervals, the liquid crystal display unit is divided according to the number of extracted frame images, and the extracted frame images are divided. There has been proposed an apparatus for displaying each on a display screen (see Patent Document 1).

  The technique described in Patent Document 1 displays a plurality of frame images extracted from a moving image at a predetermined interval on the display screen and selects from the displayed frame images in order to easily grasp the content of the moving image to be reproduced. The moving image is reproduced from the position of the one frame image.

JP 2004-193635 A

  However, according to the technique described in Patent Document 1, the extracted frame image is a still image, and only the still image is displayed on the divided display screen. That is, in order to extract and appreciate a desired scene from moving image data, the user must sequentially select the extracted frame images and find the desired scene from the moving image data reproduced from the position of the frame image. There is a problem that must be.

  In addition, since frame images are extracted at regular intervals, a large number of frame images are extracted depending on the moving image shooting time, and there is a problem that it is difficult to see the frame image displayed on the display screen.

  It is an object of the present invention to provide an image reproduction device, a program, and an image reproduction method that can grasp the contents of moving image data stored in a storage unit more easily and in a short time.

In order to solve the above-described problems and achieve the object, an image reproducing apparatus according to a first aspect of the present invention includes a removable storage unit that stores moving image data, and the moving image data stored in the storage unit. A time zone designating unit for designating a time zone to be reproduced, and an extracting unit for extracting moving image data in the time zone designated by the time zone designating unit from the moving image data stored in the storage unit , Accepting means for receiving a first division number for dividing the extracted moving image data and a second division number for further dividing moving image data selected from the plurality of moving image data divided by the first division number And dividing the extracted moving image data equally into the plurality of moving image data of the first division number, dividing the extracted moving image data by the first dividing number, and then receiving the second dividing number. Et And if, dividing means, a plurality of moving image data divided by the first division number of equally dividing the moving image data divided by said first division number into a plurality of moving image data of the second division number Or reproducing means for simultaneously reproducing a plurality of moving image data divided by the second division number, and a plurality of moving image data divided by the first division number or a plurality of moving images divided by the second division number dividing the display area of the display means according to the number of image data, display control means for each displaying the reproduced plurality of moving image data to the display area, included in the moving picture data displayed on the display region Frame specifying means for specifying one of the frames to be framed, and frame extracting means for extracting the frame specified by the frame specifying means from the moving image data displayed in the display area. The display control means displays the screen including the display area, a timeline indicating a time axis of the moving image data stored in the storage means, and a time bar indicating a time zone on the time axis indicated by the timeline. And the time zone designating unit designates the time zone indicated by the time bar as a time zone to be reproduced from the moving image data stored in the storage unit .

According to a second aspect of the present invention, there is provided a time zone designating unit for designating a time zone for reproducing the moving image data stored in the removable storage unit, and the moving image stored in the storage unit. Extraction means for extracting moving image data in a time zone designated by the time zone designation means from data, a first division number for dividing the extracted moving image data, and a plurality of divisions divided by the first division number a receiving unit configured to second accepting division number for further dividing the moving image data selected from among the moving image data, equally divided moving image data the extracted plural pieces of video data of the first division number , After dividing the extracted moving image data by the first number of divisions, when the second number of divisions is accepted, the moving image data divided by the first number of divisions is a plurality of the second number of divisions Video Display dividing means and the display means according to the number of the previous SL plurality of moving image data divided in a plurality of moving image data or the second dividing number divided by the first division number of divided evenly over data dividing the region, the display control means for each display reproduced plurality of moving image data in the display area, the frame designation for designating one frame among the frames included in the moving picture data displayed on the display region And a frame extraction means for extracting a frame designated by the frame designation means from the moving image data displayed in the display area , wherein the display control means comprises the display area, the storage means A screen including a timeline indicating a time axis of the moving image data stored in the timeline and a time bar indicating a time zone on the time axis indicated by the timeline Indicates the time period designating means, the time zone in which the time bar indicate, it characterized by specifying a time zone in which reproduction of the moving image data stored in the storage means.

According to a third aspect of the present invention, there is provided a time zone designating step in which the time zone designating unit designates a time zone to be reproduced among the moving image data stored in the removable storage unit, and the extracting unit comprises the storage unit. An extraction step for extracting the moving image data in the time zone specified by the time zone specifying means from the moving image data stored in the first data, and a first dividing number for the receiving means to divide the extracted moving image data; and the accepting step of accepting further a second division number for dividing the moving image data selected from among a plurality of moving image data divided in the first division number, the division means, the moving image data the extracted When the second divided number is accepted after dividing the extracted moving image data by the first divided number evenly into the plurality of moving image data of the first divided number, the first divided number Min A dividing step of equally dividing the moving image data the second dividing number of the plurality of moving image data, reproducing means, a plurality of moving image data or the second dividing number divided by the first dividing number in a reproducing step of reproducing a plurality of divided moving image data at the same time, the display control unit, a plurality of videos that have been divided by the previous SL plurality of moving image data or the second dividing number divided by the first division number dividing the display area of the display means according to the number of the image data, and a display control step of each displaying the reproduced plurality of moving image data to the display area, the frame designating means is displayed on the display region A frame designating step for designating one of the frames included in the moving image data, and a frame extracting means from the moving image data displayed in the display area by the frame designating means. Seen including a frame extracting a specified frame, wherein the display control means, said display area, the timeline shows the time axis of the moving image data stored in the storage means, and wherein the timeline A screen including a time bar indicating a time zone on the time axis shown is displayed on the display means, and the time zone specifying means displays the time zone indicated by the time bar among the moving image data stored in the storage means. It is specified as a playback time zone .

  According to the present invention, there is an effect that the contents of the moving image data stored in the storage unit can be viewed in a short time and easily.

  Hereinafter, an image reproduction device, a program, and an image reproduction method according to the present embodiment will be described in detail with reference to the accompanying drawings.

<First Embodiment>
FIG. 1 is a front view of a digital camera 100 as an image reproducing apparatus according to the present embodiment. FIG. 2 is a rear view of the digital camera 100 according to the present embodiment.

  A lens 102, a strobe light emitting unit 104, and an eyepiece window 105 are provided on the front surface of the body 101 of the digital camera 100 according to the present embodiment. Further, a release button 103 is provided on the upper surface of the digital camera 100 to start taking a still image or a moving image by a pressing operation. Further, a lid that covers a memory slot in which a memory card as a storage unit can be attached and detached is provided on the side surface of the body 101 (not shown).

  The lens 102 is provided at the center of the front surface of the body 101 and receives photographing light. In this embodiment, a zoom type photographing lens is used. The strobe light emitting unit 104 is used when shooting at low illuminance, and emits light to illuminate the subject.

  The eyepiece window 105 is an optical viewfinder and is provided above the lens 102. The user visually confirms the shooting range and the like from the eyepiece window 105. The photographing range that can be confirmed from the eyepiece window 105 changes according to zooming by operating a zoom button 108 described later. In the present embodiment, the shooting range is confirmed through the eyepiece window 105, but the present invention is not limited to this. For example, the photographing range may be confirmed by an image of a subject photographed through the lens 102 and displayed on the display unit 106 described later.

  On the back of the body 101 of the digital camera 100, as shown in FIG. 2, a display unit (LCD) 106, a mode switch 107, a zoom button 108, an operation button 109, a cross key 110, and an eyepiece window 105 are provided. And are provided.

  The zoom button 108 is used for an operation (zooming) of moving the focal length of the lens 102 by a pressing operation to the tele side or the wide side. The cross key 110 is used for an operation of moving the cursor 106f displayed on the display unit 106 up and down, left and right, and pressing the center part to determine selection of image data or the like.

  The operation button 109 is used for operations such as turning on / off the power and selecting or erasing image data in the playback mode. Specifically, when the operation button 109 is operated and the power of the digital camera 100 is turned on, the lens 102 protrudes forward from the retracted position to the front of the digital camera 100 and is extended to the photographing position.

  The mode switch 107 is operated when selecting the operation mode of the digital camera 100. The operation modes according to the present embodiment include a still image mode, a moving image mode, and a reproduction mode.

  The still image mode is a mode for taking a still image. Specifically, an image for one frame photographed by a CCD image sensor (CCD) mounted inside the lens 102 is captured. The obtained still image data (hereinafter referred to as still image data) is stored in a storage unit (not shown). Here, the still image data is an image of one frame taken by the CCD.

  The moving image mode is a mode for shooting a moving image. Specifically, shooting of a moving image by the CCD is started by a pressing operation of the release button 103 by the user. The CCD performs imaging every predetermined time (for example, 1/30 second). When the user presses the release button 103 again, the moving image shooting is stopped. Image data of the captured moving image (hereinafter referred to as moving image data) is stored in the storage unit. Here, the moving image data is a set of still images (one frame) taken by the CCD every predetermined time.

  The reproduction mode is a mode for reproducing still image data or moving image data stored in a memory card. The reproduction of still image data is a process for displaying still image data on the display unit 106. The reproduction of the moving image data is performed by displaying still images included in the moving image data on the display unit 106 in time series at regular intervals.

  The reproduction mode has a function of dividing moving image data in time series according to the number of divisions received from the user and simultaneously reproducing the divided moving image data (hereinafter referred to as a divided reproduction function). When the moving image data to be reproduced is read from the storage unit, the user can activate the divided reproduction function by operating the operation button 109 and selecting the divided reproduction function. This divided playback function is designed to allow the content of a captured video to be viewed easily and in a short time.

  The display unit 106 displays various data such as still image data and moving image data on the screen. The screen of the display unit 106 shown in FIG. 2 is a display example when the moving image data divided by the division reproduction function is reproduced at the same time. The display example shown in FIG. 2 represents a screen when the moving image data (106a, 106b) divided into two is reproduced simultaneously.

  As described above, the digital camera 100 according to the present embodiment has a display area obtained by dividing a screen on which the moving image data (106a, 106b) divided into two at the same time is reproduced according to the number of the moving image data. 106e. In addition, attribute information (106c, 106d) such as recording date / time, reproduction time, and resolution of each moving image data is displayed below the display area 106e. Hereinafter, the configuration of the digital camera 100 that realizes the divided playback function will be described.

  FIG. 3 is a block diagram illustrating a configuration of the digital camera 100 according to the first embodiment. As shown in the figure, the digital camera 100 includes a moving image data storage unit 301, a moving image management database 302, a selection receiving unit 303, a division number receiving unit 304, a dividing unit 305, a display control unit 306, a reproducing unit 307, A frame designation unit 308, a frame extraction unit 309, and a thumbnail image data storage unit 310 are provided.

  The moving image data storage unit 301 stores moving image data captured in the moving image mode.

  The moving image management database 302 manages moving image data information stored in the moving image data storage unit 301 in a table.

  FIG. 4 is a diagram showing the structure of a moving image management table stored in the moving image management database 302. In the moving image management table, a moving image data name, a storage date and time, a reproduction time, and a resolution are associated with each other. The moving image data name is the name of each moving image data stored in the moving image data storage unit 301 as moving image data. The storage date / time is the date / time when the moving image data is stored in the moving image data storage unit 301. The reproduction time is a time required for reproducing the moving image data. The resolution is the density of pixels in a frame included in the captured moving image data.

  Returning to FIG. 3, the selection receiving unit 303 receives selection of moving image data to be played back by the playback unit 307. The user selects moving image data to be reproduced from the list of moving image data displayed on the display unit 106.

  FIG. 5 is an explanatory diagram illustrating an example of a screen displayed on the display unit 106 when moving image data to be reproduced is selected. The screen shown in FIG. 5 is displayed by selecting a playback mode by operating the mode switch 107 and activating the split playback function by operating the operation button 109. In addition, the first frame of each selectable moving image data is displayed on this screen. The user can select moving image data to be reproduced with reference to the frame.

  Specifically, the user operates the up / down / left / right buttons of the cross key 110 to move the cursor 501 to moving image data (AAA, BBB, CCC, DDD, EEE, FFF,...) To be reproduced. Next, the user selects moving image data to be reproduced by pressing the button at the center of the cross key 110 in a state where the cursor 501 is set to the moving image data to be reproduced. Note that the number (for example, 12) of moving image data included in the moving image data list displayed on the display unit 106 changes stepwise by pressing the zoom button 108 to the tele side or the wide side. Can be made.

  In addition, after the moving image data is divided into a plurality of moving image data by the dividing unit 305, the selection receiving unit 303 receives selection of moving image data to be further divided from the divided moving image data. Specifically, after the moving image data is divided, selection of moving image data to be further divided is received from the divided moving image data displayed on the display unit 106.

  Returning to FIG. 3, the division number receiving unit 304 receives the number of moving image data to be divided (hereinafter referred to as the division number). Specifically, an input of the number of divisions indicated on the screen displayed on display unit 106 shown in FIG. 6 is accepted. FIG. 6 is an explanatory diagram showing an example of a screen displayed on the display unit 106 when receiving an input of the number of divisions of moving image data. This screen is displayed when moving image data to be reproduced is selected by the selection receiving unit 303. The user operates the cross key 110 to move the cursor 604 to the division number (601, 602, 603) to be selected. Next, the user selects the number of divisions by pressing the button at the center of the cross key 110 with the cursor 604 being set to the desired number of divisions. Note that the first frame 605 of moving image data to be divided and information 606 of the moving image data are displayed on the screen shown in FIG. Thereby, the user can confirm again the content of the moving image data to divide.

  Further, the division number receiving unit 304 receives a division number for further dividing the divided moving image data. Specifically, on the screen displayed on the display unit 106 shown in FIG. 7, input of the number of divisions for dividing the moving image data divided by the dividing unit 305 is accepted. FIG. 7 is an explanatory diagram showing an example of a screen displayed on the display unit 106 after dividing the moving image data. This screen is displayed after the moving image data is divided by the dividing unit 305, and accepts selection of moving image data to be divided and selection of the number of divisions. Further, on the screen shown in FIG. 7, the first frame (705, 706) of each moving image data to be further divided and information (708, 709) of the image data are displayed.

  The user operates the up and down buttons of the cross key 110 to move the cursor 704 to the number of divisions (701, 702, 703) to be selected, and the cursor 704 is set to the desired number of divisions and the cursor 704 is set to the desired number of divisions. Press the button in the center to select the number of divisions.

  Further, after selecting the number of divisions or before selecting the number of divisions, the user operates the left and right buttons of the cross key 110 to move the cursor 707 to the moving image data (aaa, bbb), and moves the cursor 707. By pressing a button in the center of the cross key 110 in a state that matches the desired moving image data, moving image data to be further divided can be selected. The number of divisions and moving image data selected by the above operation are received by the selection receiving unit 303 described above.

  Returning to FIG. 3, the dividing unit 305 divides the moving image data into a plurality of moving image data in time series. Specifically, the moving image data received by the selection receiving unit 303 is acquired from the moving image data storage unit 301, and the acquired moving image data is divided into the number of divisions received by the division number receiving unit 304.

  FIG. 8 is an explanatory diagram showing an example of dividing moving image data into two moving image data in time series. A timeline 801 is a time axis of the moving image data before division obtained from the moving image data storage unit 301. The moving image data shown in the timeline 801 has a playback time of 2 minutes. A timeline 802 is a time axis of moving image data from 00:00:00 to 00:01:00 among two moving image data obtained by dividing the moving image data shown in the timeline 801. The timeline 803 is a time axis of moving image data from 00:01:00 to 00:02:00, out of two moving image data obtained by dividing the moving image data shown in the timeline 801. As described above, the dividing unit 305 divides the moving image data in equal time with the division number received by the division number receiving unit 304.

  In the present embodiment, the moving image data is divided by the division number received by the division number receiving unit 304 at an equal time, but the present invention is not limited to this. For example, the moving image data may be divided at time intervals arbitrarily set by the user.

  The dividing unit 305 stores the moving image data indicated by the timeline 802 and the moving image data indicated by the timeline 803 in the moving image data storage unit 301. Further, the dividing unit 305 stores information of each divided moving image data in the moving image management database 302.

  Specifically, the moving image data information shown in the timeline 802 includes the same moving image data name as the moving image data before the division, the storage date and time of the moving image data before the division, and the time of the moving image data before the division. The reproduction time in the line 801 (00:00:00 to 00:01:00) and the resolution of the moving image data. The moving image data information shown in the timeline 803 includes the same moving image data name as the moving image data before the division, the storage date and time of the moving image data before the division, and the timeline 801 of the moving image data before the division. The playback time (00:01:00 to 00:02:00) and the resolution of the moving image data.

  The dividing unit 305 further divides the divided moving image data. Specifically, after dividing the moving image data, when the dividing number receiving unit 304 receives a dividing number for further dividing the moving image data, the divided moving image data is further divided by the received dividing number. FIG. 9 is an explanatory diagram showing an example in which the moving image data shown in the timeline 802 shown in FIG. 8 is further divided into two moving image data in time series. A timeline 901 is a time axis of moving image data from 00:00:00 to 00:00:30 among moving image data obtained by dividing the moving image data shown in the timeline 802 into two. A timeline 902 is a time axis of moving image data from 00:00:30 to 00:01:00 among moving image data obtained by dividing the moving image data indicated by the timeline 802 into two.

  The dividing unit 305 stores the moving image data indicated by the timeline 901 and the moving image data indicated by the timeline 902 in the moving image data storage unit 301. Further, the dividing unit 305 stores information of each divided moving image data in the moving image management database 302.

  Specifically, the moving image data information shown in the timeline 901 includes the same moving image data name as the moving image data before the division, the storage date and time of the moving image data before the division, and the time of the moving image data before the division. The playback time in the line 802 (00:00:00 to 00:00:30) and the resolution of the moving image data. The moving image data information shown in the timeline 902 includes the same moving image data name as the moving image data before the division, the storage date and time of the moving image data before the division, and the timeline 802 of the moving image data before the division. The playback time (00:00:30 to 00:01:00) and the resolution of the moving image data.

  Returning to FIG. 3, the display control unit 306 divides the display area of the display unit 106 in accordance with the number of moving image data reproduced by the reproducing unit 307, and each of the plurality of moving image data is divided into display areas. indicate. In the present embodiment, the display area 106e in the display unit 106 shown in FIG. 2 is divided into the number of moving image data to be reproduced (for example, 2). Note that information of the moving image data is displayed below the moving image data to be reproduced.

  In addition, when the divided playback function is activated by a user operation, the display control unit 306 acquires the first frame of each moving image data stored in the moving image data storage unit 301. Then, as shown in FIG. 5, the first frame of the acquired moving image data is displayed on the display unit 106 as a list of moving image data. When the number of moving image data displayed on the display unit 106 is changed by pressing the zoom button 108, the number of frames included in the list of moving image data displayed on the display unit 106 is increased or decreased.

  When the moving image data to be reproduced is selected on the screen shown in FIG. 5, the display control unit 306 selects icons (601, 602, 603) for selecting the number of moving image data to be divided as shown in FIG. The first frame 605 of the selected moving image data and the information of the selected moving image data are displayed. At that time, the display control unit 306 acquires the first frame 605 of the moving image data from the moving image data storage unit 301 and acquires information of the moving image data from the moving image management database 302.

  Further, after the moving image data is divided by the dividing unit 305, the display control unit 306, as shown in FIG. 7, icons (701, 702, 703) for selecting the number of divisions of the moving image data to be further divided, The first frame (705, 706) of each moving image data and the information (708, 709) of each divided moving image data are displayed. At that time, the display control unit 306 acquires the first frame (705, 706) of the moving image data from the moving image data storage unit 301 and acquires the information (708, 709) of the moving image data from the moving image management database 302. To do.

  Returning to FIG. 3, the reproducing unit 307 simultaneously reproduces the plurality of moving image data divided by the dividing unit 305 in each display area divided by the display control unit 306. In the present embodiment, the moving image data divided by the dividing unit 305 and stored in the moving image data storage unit 301 are simultaneously reproduced in the display areas divided by the display control unit 306.

  Specifically, the reproducing unit 307 reproduces each moving image data by reproducing the still images (frames) included in each divided moving image data in time series. It should be noted that the playback of moving image data is repeated until the user performs an operation to stop playback.

  FIG. 10 is an explanatory diagram showing an example in which the moving image data shown in the timeline 802 and the moving image data shown in the timeline 803 shown in FIG. 8 are reproduced simultaneously. As illustrated in FIG. 10, the playback unit 307 includes moving image data from 00:00:00 to 00:01:00 shown in the timeline 802 and 00:01:00 to 00:02: shown in the timeline 803. The moving image data up to 00 are simultaneously reproduced.

  The screen displayed on the display unit 106 shown in FIG. 2 includes moving image data 106a from 00:00:00 to 00:01:00 shown in the timeline 802 and 00:01:00 to 00 shown in the timeline 803. This is a screen when the moving image data 106b up to 2:00 is reproduced at the same time. Thereby, the user can view the moving image data shown in the timeline 801 shown in FIG. 8 in half time (1 minute).

  FIG. 11 is an explanatory diagram showing an example in which the moving image data shown in the timeline 901 and the moving image data shown in the timeline 902 shown in FIG. 9 are reproduced simultaneously. As shown in FIG. 11, the playback unit 307 includes moving image data from 00:00:00 to 00:00:30 shown in the timeline 901 and moving image data from 00:01:00 shown in the timeline 902. And play simultaneously. Thereby, the user can view the moving image data shown in the timeline 802 shown in FIG. 9 in half the time (30 seconds).

  Returning to FIG. 3, the frame designation unit 308 designates one frame included in the moving image data displayed on the display unit 106. Specifically, when the user presses the operation button 109 during the reproduction of moving image data, the frame designation unit 308 designates one frame included in the moving image data reproduced by the reproduction unit 307. Accept.

  The user operates the cross key 110 left and right on the screen displayed on the display unit 106 shown in FIG. 2 to move the cursor 106f to the moving image data 106a or the moving image data 106b. Then, the user designates a frame by pressing the operation button 109 when a scene to be designated is displayed.

  Returning to FIG. 3, the frame extraction unit 309 extracts one frame displayed on the display unit 106 when it is designated by the frame designation unit 308 from the moving image data. In the present embodiment, the frame reproduced by the reproducing unit 307 when specified by the frame specifying unit 308 is extracted from the moving image data stored in the moving image data storage unit 301. The frame extraction unit 309 reduces the extracted frame and stores the reduced image (thumbnail image) in the thumbnail image data storage unit 310.

  The thumbnail image data storage unit 310 stores the thumbnail image reduced and reduced by the frame extraction unit 309. The user can print the thumbnail image stored in the thumbnail image data storage unit 310.

  Next, with reference to FIG. 12, a description will be given of a process of dividing moving image data in time series by the divided reproduction function and simultaneously reproducing a plurality of divided moving image data. FIG. 12 is a flowchart showing a procedure of processing for reproducing moving image data by the division reproduction function.

  First, the selection accepting unit 303 accepts selection of moving image data to be reproduced by the divided reproduction function among the moving image data stored in the moving image data storage unit 301 (step S1201). Next, the division number receiving unit 304 receives selection of the number of divisions for dividing the moving image data for which selection has been received (step S1202).

  When the selection of the moving image data and the number of divisions is accepted, the dividing unit 305 acquires the moving image data that has received the selection from the moving image data storage unit 301 (step S1203), and the moving image that is acquired with the number of divisions that has received the selection. The image data is divided into time series (step S1204).

  When the moving image data is divided, the display control unit 306 divides the display area of the display unit 106 according to the number of moving image data reproduced by the reproducing unit 307 (step S1205).

  Next, the division number receiving unit 304 waits for selection of the number of divisions for further dividing each divided moving image data (step S1206). If selection of the number of divisions for further dividing the divided moving image data is accepted (step S1206: Yes), the process returns to step 1203.

  On the other hand, when the number of divisions for further dividing the divided moving image data is not selected (step S1206: No), the reproduction unit 307 has divided the plurality of divided moving image data by the display control unit 306. Playback is performed simultaneously in each display area (step S1207).

  While the moving image data is being played back by the playback unit 307, the frame specification unit 308 waits for the specification of the frame displayed on the display unit 106 by the user pressing the operation button 109 (step S1208). When the frame is not designated (step S1208: No), the frame designation unit 308 waits for the designation of the frame until the user stops the reproduction and the reproduction of the moving image data is stopped (step S1208: No). Step S1208).

  On the other hand, when a frame is designated (step S1208: Yes), the frame extraction unit 309 selects a frame included in the moving image data reproduced by the reproduction unit 307 when designated by the frame designation unit 308 as moving image data. (Step S1209). After the frame extraction, the frame designation unit 308 waits for the designation of the frame again until the user performs a reproduction stop operation and stops the reproduction of the moving image data (step S1208).

  As described above, in the digital camera 100 according to the present embodiment, the dividing unit 305 divides the moving image data into a plurality of moving image data in time series, and the display control unit 306 according to the number of the moving image data. The display area 106e of the display unit 106 is divided, a plurality of pieces of moving image data are respectively displayed on the divided display areas 106e, and a plurality of pieces of moving image data are simultaneously reproduced in each display region 106e, whereby moving image data before division is obtained. The user can view the contents more easily in a shorter time than watching the image, and the user can easily find a desired scene or frame to be confirmed from the moving image data.

  FIG. 13 is a diagram illustrating a hardware configuration of the digital camera 100 that executes a program for realizing the divided playback function according to the present embodiment. The digital camera 100 according to this embodiment includes a lens 102, a display unit 106, a CCD 1301, an analog signal processing circuit 1302, an A / D conversion circuit 1303, an AF processing circuit 1304, a storage unit 1305, a cache memory 1306, and a ROM (Read Only Memory (RAM), RAM (Random Access Memory), HDD (Hard Disk Drive), storage unit I / F 1307 such as CD (Compact Disk), etc., control unit 1308 such as CPU (Central Processing Unit), communication I / O connected to the network F1309 and an operation unit I / F 1310 are provided.

  The CCD 1301 is arranged on the inner side of the digital camera 100 with respect to the lens 102, and converts an optical subject image into an electrical photographing signal and outputs it.

  The analog signal processing circuit 1302 performs gain adjustment, gamma processing, and the like on the photographing signal output from the CCD 1301.

  The A / D conversion circuit 1303 converts the photographing signal processed by the analog signal processing circuit 1302 into RGB image data, and outputs it to the control unit 1308 and the AF processing circuit 1304. That is, the subject image shot in the still image mode or the moving image mode is converted into image data by the A / D conversion circuit 1303 via the analog signal processing circuit 1302. The image data may be luminance and color difference data (Y, Cr, Cb data).

  The control unit 1308 executes various data processing such as gamma correction, resolution change, data compression at the time of recording, and data expansion at the time of reading, on the image data. The image data processed by the control unit 1308 is output to the display unit 106. As a result, the subject image can be displayed on the display unit 106 as a through image.

  The AF processing circuit 1304 detects the contrast of the subject image from the image data output from the A / D conversion circuit 1303, and controls the operation of a focus lens (not shown) so as to achieve an appropriate focus state based on the detected contrast. To do.

  The storage unit 1305 can record still image data, moving image data, and audio data. The storage unit 1305 is preferably a non-volatile memory, and more preferably a memory card that can be attached to and detached from the digital camera 100.

  The cache memory 1306 ensures the reading and writing speed of each data to the storage unit 1305.

  A storage unit I / F 1307 controls input / output of each data to / from a storage unit 1305 installed in a memory slot (not shown).

  The communication I / F 1309 controls communication with an output device 1311 such as a printer that executes printing of image data and a personal computer (not shown).

  The operation unit I / F 1310 controls input of operation signals from the release button 103, the mode switch 107, the zoom button 108, the operation button 109, and the cross key 110.

  The configuration shown in FIG. 3 is realized by these hardware configurations. For example, instructions for each hardware configuration by the selection reception unit 303, the division number reception unit 304, the division unit 305, the display control unit 306, the reproduction unit 307, the frame specification unit 308, and the frame extraction unit 309 are stored in the storage unit 1305. This is realized by the control unit 1308 in which the program is executed.

  The moving image data storage unit 301, the moving image management database 302, and the thumbnail image data storage unit 310 are assumed to be secured in the storage unit 1305.

(Modification)
In the above-described embodiment, when the moving image data to be further divided is selected from the plurality of divided moving image data on the screen shown in FIG. 7, the position of the cursor 707 displayed on the display unit 106 is confirmed. However, the cross key 110 must be operated. Therefore, in the present modification, as shown in FIG. 14, the display control unit 306 displays the plurality of divided moving image data at positions that match the vertical and horizontal positions of the cross key 110. FIG. 14 is an explanatory diagram showing an example in which moving image data divided into four parts is displayed vertically and horizontally. Note that a description of the same configuration as that of the above-described embodiment is omitted.

  FIG. 14A is an explanatory diagram showing a screen displayed on the display unit 106 and a cross key 110 when moving image data having a playback time of 4 minutes is equally divided into four. The user instructs the selection of the moving image data B by moving the cursor 1401 to the moving image data B by instructing the right side of the cross key 110 and pressing the button at the center of the cross key 110. Can do.

  FIG. 14B is an explanatory diagram showing a screen displayed on the display unit 106 and the cross key 110 when the moving image data B shown in FIG. 14A is divided into four moving image data. The user instructs the selection of the moving image data B1 by moving the cursor 1401 to the moving image data B1 by instructing the right side of the cross key 110 and further pressing the button at the center of the cross key 110. Can do.

  FIG. 14C is an explanatory diagram showing a screen displayed on the display unit 106 and the cross key 110 when the moving image data B1 shown in FIG. 14B is divided into four moving image data. The user moves the cursor 1401 to the moving image data B1-4 by pointing on the cross key 110, and further selects the moving image data B1-4 by pressing the center button of the cross key 110. Can be instructed.

  FIG. 14D is an explanatory diagram showing a screen displayed on the display unit 106 and the cross key 110 when the moving image data B1-4 shown in FIG. 14C is divided into three moving image data. is there. In this embodiment, it is assumed that moving image data of 1 second or less cannot be reproduced. Therefore, in the example shown in FIG. 14 (d), it is divided into three moving image data. It is assumed that the reproduction time of each moving image data is displayed below each divided moving image data.

<Second Embodiment>
A second embodiment will be described with reference to the accompanying drawings. Hereinafter, with respect to the digital camera according to the present embodiment, portions different from the digital camera 100 according to the first embodiment will be described.

  FIG. 15 is a block diagram illustrating a configuration of a digital camera 1500 according to the second embodiment. As shown in the figure, the digital camera 100 includes a moving image data storage unit 301, a moving image management DB 302, a selection receiving unit 303, a division number receiving unit 304, a reproducing unit 307, a frame specifying unit 308, a frame extracting unit 309, A thumbnail image data storage unit 310, a time zone specification unit 1501, a division unit 1502, a display control unit 1503, and a selection reception unit 1504 are provided. Here, the configuration and function of the moving image data storage unit 301, the moving image management DB 302, the division number receiving unit 304, the playback unit 307, the frame designation unit 308, the frame extraction unit 309, and the thumbnail image data storage unit 310 are as follows. Since this is almost the same as the embodiment, the description is omitted.

  A time zone designation unit 1501 designates a time zone to be reproduced from the moving image data stored in the moving image data storage unit 301. Specifically, the time zone to be reproduced is specified from the moving image data acquired from the moving image data storage unit 301 by the dividing unit 1502.

  FIG. 16A is an explanatory diagram showing an example of a screen displayed on the display unit 106 when a time zone to be reproduced is designated. FIG. 16B is an explanatory diagram illustrating an example of a screen displayed on the display unit 106 when the time zone to be reproduced is changed. The screens shown in FIGS. 16A and 16B include a timeline 1601 indicating a time axis of moving image data acquired by the dividing unit 1502, a time bar 1602 indicating a time zone to be reproduced, and a specified time zone. The moving image data obtained by dividing the moving image data into three is displayed. Further, on the screens shown in FIGS. 16A and 16B, moving image data obtained by dividing the moving image data in the designated time zone into three is displayed.

  Specifically, the user operates the left and right buttons of the cross key 110 to move the time bar 1602 from the position shown in FIG. 16A to the position shown in FIG. Can be specified. As a result, even if the moving image data is long, only the moving image data in the designated time zone is reproduced, so that the moving image data in the desired time zone can be viewed in a short time.

  Returning to FIG. 15, the dividing unit 1502 extracts the moving image data of the time zone specified by the time zone specifying unit 1501 from the moving image data acquired from the moving image data storage unit 301, and extracts a plurality of extracted moving image data. Is divided into time-series video data. Note that the process of dividing the moving image data is the same as that in the first embodiment, and a description thereof will be omitted.

  The selection receiving unit 1504 receives selection of moving image data to be further divided from the plurality of divided moving image data after the dividing unit 1502 divides the moving image data into a plurality of moving image data. FIG. 17A is an explanatory diagram illustrating an example of a screen displayed after the extracted moving image data is divided. FIG. 17B is an explanatory diagram illustrating an example of a screen displayed when the moving image data illustrated in FIG. 17A is further divided. In the screen shown in FIG. 17A, the user operates the cross key 110 to move the cursor 1701 to the moving image data to be selected, and presses the button at the center of the cross key 110 to select the moving image data. To do.

  Further, the user can select moving image data to be further divided by performing the same operation on the screen shown in FIG. Note that a timeline 1702 shown in FIG. 17B is a time axis of the moving image data selected in FIG.

  The display control unit 1503 can cause the display unit 106 to display the screens illustrated in FIGS. 16 and 17 in addition to the screen described in the first embodiment. When an initial setting button (not shown) is pressed, the display control unit 1503 displays the screen illustrated in FIG. FIG. 18 is an explanatory diagram showing an example of a screen for accepting the designated range and the number of divisions of the time bar 1602 shown in FIG. Here, the designated range is the length of the time zone designated by the time bar 1602. Specifically, the user can increase or decrease the designated range 1801 and the number of divisions 1802 by operating the cross key 110 or the zoom button 108.

  As described above, in the digital camera 1500 according to the present embodiment, when moving image data is long, moving image data in a desired time zone is extracted from the moving image data acquired from the moving image data storage unit 301, and the extracted moving image By dividing the image data into time series and simultaneously reproducing the divided pieces of moving image data, the moving image data in a desired time zone can be viewed in a short time.

<Third Embodiment>
In the first and second embodiments, a digital camera is applied as the image reproducing apparatus of the present invention, but the present invention is not limited to this. For example, a digital camera is connected to a personal computer, a predetermined program is installed in a storage device such as an HDD (Hard Disk Drive) of the personal computer, and a CPU (Central Processing Unit) of the personal computer is operated according to the program Also, the same effects as the various effects described above can be obtained.

  FIG. 19 is a block diagram illustrating a schematic configuration example of an image reproduction system according to the third embodiment. An image reproduction system 1900 shown in FIG. 19 is constructed by connecting a personal computer 1901 that performs image data reproduction processing and a digital camera 1902 that generates image data via a cable 1903.

  A personal computer 1901 reproduces moving image data and the like input from the digital camera 1902.

  The digital camera 1902 captures moving image data to be reproduced by the personal computer 1901.

  Hereinafter, a specific configuration of the personal computer 1901 will be described in order. Note that the configuration of the digital camera 1902 is the same as that of the above-described embodiment, and a description thereof will be omitted.

  FIG. 20 is a block diagram illustrating a schematic configuration of a personal computer. 20, a personal computer 1901 includes an input unit 2001 for inputting data, a display unit 2002, a communication unit 2003 for performing data communication, a CPU 2004 that controls the entire apparatus, and a work area for the CPU 2004. A RAM 2005 to be used, a storage medium drive device 2006 that reads / writes data in the storage medium 2007, and a storage medium 2007 that stores various programs for operating the CPU 2004, and the like.

  The input unit 2001 includes a keyboard having cursor keys, numeric input keys, various function keys, and the like, a mouse for selecting keys on the display screen of the display unit 2002, a slice pad, and the like. It is a user interface for giving operation instructions and inputting data.

  The display unit 2002 is configured by a CRT, an LCD, or the like, and displays according to display data input from the CPU 2004. The communication unit 2003 is for data communication with the outside, and for example, is for data communication with the digital camera 1902 and the like via the cable 1903.

  The CPU 2004 is a central control unit that controls the entire apparatus according to a program stored in the storage medium 2007. The CPU 2004 includes an input unit 2001, a display unit 2002, a communication unit 2003, a RAM 2005, and a storage medium drive device 2006. Connected and controls data communication, reading of application programs by accessing the memory, reading / writing of various data, data / command input, display, and the like.

  The RAM 2005 includes a work memory that stores designated programs, input instructions, input data, processing results, and the like, and a display memory that temporarily stores display data to be displayed on the display screen of the display unit 2002.

  The storage medium 2007 stores various programs and data such as an OS program 2007a (for example, WINDOWS (registered trademark)) executable by the CPU 2004, a document creation application program 2007b, a driver 317c corresponding to the digital camera 1902, and the like. The storage medium 2007 includes, for example, an optical / magnetic / electric storage medium such as a flexible disk, hard disk, CD-ROM, DVD-ROM, MO, and PC card. The various programs are stored in the storage medium 2007 in a data format that the CPU 2004 can read. The various programs may be recorded in a storage medium in advance or may be downloaded via a communication line and stored in the storage medium. The various programs can be distributed via a communication line.

  Next, the driver 2007c of the personal computer 1901 will be described. The driver 2007c is a software program designed so that other programs can be operated without being bothered by the hardware and internal “language” of the digital camera 1902 with respect to a specific program, and control the digital camera 1902. For processing output data and the like.

  The CPU 2004 of the personal computer 1901 reproduces moving image data or the like input from the communication unit 2003 according to the driver 2007c.

  FIG. 21 is a block diagram showing a main part of the personal computer. As shown in FIG. 21, the personal computer 1901 operates as the CPU 2004 according to the driver 2007c, so that the moving image data storage unit 301, the moving image management database 302, the selection receiving unit 303, the division number receiving unit 304, the dividing unit 305, A display control unit 306, a reproduction unit 307, a frame designation unit 308, a frame extraction unit 309, and a thumbnail image data storage unit 310 are provided.

  Thus, when the CPU 2004 operates according to the driver 2007c, the personal computer 1901 has a system configuration equivalent to that of the digital camera 100 shown in FIG. 3, and has been described in the first and second embodiments. It is possible to obtain the same effects as the various effects described above. Since the system configuration of the personal computer 1901 is substantially the same as the system configuration of the digital camera 100 shown in FIG. 3, only different parts will be described here.

  The frame designation unit 308 receives the designation of the frame designated on the display screen shown in FIG. FIG. 22A is an explanatory diagram illustrating an example of a screen on which a plurality of moving image data is simultaneously reproduced by the reproduction unit 307. FIG. 22B is an explanatory diagram showing an example of a screen when a frame included in moving image data to be reproduced simultaneously is designated. FIG. 22C is an explanatory diagram illustrating an example of a screen on which a designated frame is displayed. FIG. 22D is an explanatory diagram illustrating an example of a screen on which a list of designated frames is displayed.

  On the display screen shown in FIG. 22A, the user operates the mouse included in the input unit 2001 to move the cursor 2201 to desired moving image data. Then, as shown in FIG. 22B, when a desired frame included in the moving image data is displayed, the moving image is dragged and dropped outside the moving image data display area. You can specify the frame to extract from the data. Note that the frame 2202 extracted by the frame extraction unit 309 in accordance with the designation of the frame designation unit 308 is displayed outside the moving image data display area, as shown in FIG.

  Note that the frame 2202 extracted by the frame extraction unit 309 can also be displayed as a list of extracted frames, as shown in FIG. The user can instruct printing of the extracted frame by moving the cursor 2203 to the print icon 2204 on the display screen shown in FIG.

  When a frame included in the moving image data is specified by the frame specifying unit 308, the reproducing unit 307 can return to a predetermined time before the specified frame and reproduce the moving image data. Thereby, it is possible to prevent the user from looking away from the display screen and not overlooking the desired scene by the operation of designating the frame. Alternatively, when a frame is designated, the playback speed of moving image data may be slowed for a predetermined time.

  In this embodiment, the CPU 2004 of the personal computer 1901 is operated according to the driver 2007c to reproduce the moving image data input from the input unit 2001. However, the present invention is not limited to this, and the OS program The moving image data may be reproduced by operating the CPU 2004 of the personal computer 1901 according to 2007a or the like.

  As described above, in the image reproduction system according to the present embodiment, it is possible to specify a frame included in the moving image data with a simpler operation. Further, according to the present embodiment, various post-processing can be performed on frames extracted from moving image data using various editing functions provided in the personal computer.

  The invention made by the present inventor has been specifically described based on the preferred embodiments. However, the present invention is not limited to the above, and various modifications can be made without departing from the scope of the invention. Needless to say. Moreover, the structure and function demonstrated in the 1st and 2nd embodiment mentioned above can be combined freely.

It is a front view of the digital camera concerning a 1st embodiment. It is a rear view of the digital camera concerning a 1st embodiment. It is a block diagram which shows the structure of the digital camera concerning 1st Embodiment. It is the figure which showed the structure of the moving image management table stored in the moving image management database. It is explanatory drawing which showed the example of a screen displayed on a display part when selecting the moving image data to reproduce | regenerate. It is explanatory drawing which showed the example of a screen displayed on a display part when accepting the number which divides | segments moving image data. It is explanatory drawing which showed the example of a screen displayed on a display part when moving image data is further divided | segmented. It is explanatory drawing which showed the example which divided | segmented moving image data into two moving image data in time series. It is explanatory drawing which showed the example which divided | segmented the moving image data further divided into two moving image data in time series. It is explanatory drawing which showed the example which reproduced | regenerated two moving image data simultaneously. It is explanatory drawing which shows the example which reproduced | regenerated two moving image data simultaneously. It is a flowchart which shows the procedure of the process mentioned above by the division | segmentation reproduction | regeneration function concerning 1st Embodiment. It is the figure which showed the hardware constitutions of the digital camera which performed the program for implement | achieving the division | segmentation reproduction | regeneration function concerning 1st Embodiment. It is explanatory drawing which shows an example which displayed the moving image data divided | segmented into four vertically and horizontally. It is a block diagram which shows the structure of the digital camera concerning 2nd Embodiment. It is explanatory drawing which shows an example of the screen displayed on a display part when designating the time slot | zone to reproduce. It is explanatory drawing which shows an example of the screen displayed on a display part after dividing | segmenting moving image data. It is explanatory drawing which shows an example of the screen which receives the designation | designated range and division number of a time bar. It is a block diagram which shows the example of schematic structure of the image reproduction system concerning 3rd Embodiment. It is a block diagram which shows schematic structure of a personal computer. It is a block diagram which shows the principal part of a personal computer. It is explanatory drawing which shows an example of the screen which designates the flame | frame contained in moving image data.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100, 1500, 1902 Digital camera 101 Body 102 Lens 103 Release button 104 Strobe light emission part 105 Eyepiece window 106 Display part 107 Mode change switch 108 Zoom button 109 Operation button 110 Cross key 301 Moving image data storage part 302 Moving image management database 303, 1504 Selection acceptance unit 304 Division number acceptance unit 305, 1502 Division unit 306, 1503 Display control unit 307 Playback unit 308 Frame designation unit 309 Frame extraction unit 310 Thumbnail image data storage unit 1301 CCD
1302 Analog signal processing circuit 1303 A / D conversion circuit 1304 AF processing circuit 1305 Storage unit 1306 Cache memory 1307 Storage unit I / F
1308 Control unit 1309 Communication I / F
1310 Operation unit I / F
1501 Time zone designation unit 1901 Personal computer 1903 Cable 2001 Input unit 2002 Display unit 2003 Communication unit 2004 CPU
2005 RAM
2006 Storage medium drive device 2007 Storage medium

Claims (3)

And removable storage means for storing moving picture data,
A time zone designating unit for designating a time zone to be reproduced among the moving image data stored in the storage unit;
Extracting means for extracting moving image data in a time zone specified by the time zone specifying means from the moving image data stored in the storage means ;
Accepting means for receiving a first division number for dividing the extracted moving image data and a second division number for further dividing moving image data selected from the plurality of moving image data divided by the first division number When,
The extracted moving image data is equally divided into a plurality of moving image data of the first division number, and after the extracted moving image data is divided by the first dividing number, the second dividing number is accepted. A dividing means for equally dividing the moving image data divided by the first division number into a plurality of moving image data of the second division number ;
Reproducing means for simultaneously reproducing a plurality of moving image data divided by the first division number or a plurality of moving image data divided by the second division number;
Dividing the display area of the display means according to the number of the previous SL plurality of moving image data divided in a plurality of moving image data or the second dividing number divided by the first division number, the reproduced plurality of Display control means for displaying each moving image data in the display area;
Frame designating means for designating one of the frames included in the moving image data displayed in the display area;
Frame extraction means for extracting a frame designated by the frame designation means from the moving image data displayed in the display area,
The display control means displays the screen including the display area, a timeline indicating a time axis of the moving image data stored in the storage means, and a time bar indicating a time zone on the time axis indicated by the timeline. Displayed on the means,
The image reproducing apparatus, wherein the time zone designating unit designates a time zone indicated by the time bar as a time zone to be reproduced from the moving image data stored in the storage unit .   Computer
  A time zone designating unit for designating a time zone to be reproduced among the moving image data stored in the removable storage unit;
  Extracting means for extracting moving image data in a time zone specified by the time zone specifying means from the moving image data stored in the storage means;
  Accepting means for receiving a first division number for dividing the extracted moving image data and a second division number for further dividing moving image data selected from the plurality of moving image data divided by the first division number When,
  The extracted moving image data is equally divided into a plurality of moving image data of the first division number, and after the extracted moving image data is divided by the first dividing number, the second dividing number is accepted. A dividing means for equally dividing the moving image data divided by the first division number into a plurality of moving image data of the second division number;
  The display area of the display unit is divided according to the number of moving image data divided by the first division number or the plurality of moving image data divided by the second division number, and the reproduced moving images Display control means for displaying each image data in the display area;
  Frame designating means for designating one of the frames included in the moving image data displayed in the display area;
  Frame extraction means for extracting a frame designated by the frame designation means from the moving image data displayed in the display area;
To function,
  The display control means displays the screen including the display area, a timeline indicating a time axis of the moving image data stored in the storage means, and a time bar indicating a time zone on the time axis indicated by the timeline. Displayed on the means,
  The time zone designating unit designates a time zone indicated by the time bar as a time zone to be reproduced from the moving image data stored in the storage unit.   A time zone designating step in which the time zone designating unit designates a time zone to be reproduced among the moving image data stored in the removable storage unit;
  An extracting step for extracting moving image data in a time zone specified by the time zone specifying unit from the moving image data stored in the storage unit;
  A first division number for dividing the extracted moving image data, and a second division number for further dividing moving image data selected from the plurality of moving image data divided by the first division number; A reception step for accepting,
  The dividing unit equally divides the extracted moving image data into the first divided number of moving image data, and divides the extracted moving image data by the first divided number, and then the second divided number. Is received, the dividing step of equally dividing the moving image data divided by the first dividing number into the plurality of moving image data of the second dividing number;
  A reproduction step of simultaneously reproducing a plurality of moving image data divided by the first division number or a plurality of moving image data divided by the second division number;
  The display control means divides the display area of the display means according to the number of the plurality of moving image data divided by the first division number or the plurality of moving image data divided by the second division number, and the reproduction A display control step of displaying each of the plurality of moving image data in the display area;
  A frame designating step for designating one of the frames included in the moving image data displayed in the display area;
  A frame extracting means for extracting a frame designated by the frame designating means from the moving image data displayed in the display area;
  The display control means displays the screen including the display area, a timeline indicating a time axis of the moving image data stored in the storage means, and a time bar indicating a time zone on the time axis indicated by the timeline. Displayed on the means,
  The image reproduction method according to claim 1, wherein the time zone designation means designates a time zone indicated by the time bar as a time zone to be reproduced from the moving image data stored in the storage means.

Images