JP2006246039A - Video camera and image management method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve operability by making it possible to confirm the contents of a moving image recorded in a tape type recording medium as an image without reproducing it. <P>SOLUTION: This video camera is provided with a tape type recording medium in which the image data of a moving image can be recorded, a memory in which the image data of a start image when the photographing of the moving image starts are recorded so as to be associated with the tape type recording medium and a display means in which the start image is displayed so as to be associated with the tape type recording medium. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a video camera and an image management method, and more particularly to a video camera and an image management method for recording a moving image on a tape recording medium.

  Conventionally, video cameras that record moving images have been widely used, and such video cameras record information such as captured moving images and audio acquired at the time of recording on recording media using analog or digital data. (For example, refer to Patent Documents 1 and 2).

  In addition, as a recording medium for recording information such as moving images and sounds in the video camera as digital data, a tape-type recording medium such as DVC (Digital Video Cassette), a disk-type recording medium such as DVD (Digital Video Disk), etc. Various recording media are known.

  Here, the tape-type recording medium has a large amount of information that can be recorded, the recorded image quality and sound quality are not deteriorated, the degree of image quality deterioration due to editing and duplication is low, and further compared with the disk-type recording medium. Since it has various advantages such as being able to record high-quality moving images, its utility value has increased in recent years.

  However, in a conventional video camera for recording on a tape-type recording medium, unless the moving image recorded on the recording medium is reproduced, the recorded moving image cannot be confirmed as an image like a disk-type recording medium. , Had the problem of poor operability. In addition, in order to search for a desired moving image recording position, it is necessary to perform fast-forwarding or rewinding of the tape-type recording medium and confirming while reproducing at an arbitrary recording position. Had a problem of poor sex.

Japanese Patent Laid-Open No. 10-174032 JP 2004-349835 A

  The present invention has been made in view of these points, and a video capable of improving operability by allowing a moving image recorded on a tape recording medium to be confirmed as an image without being reproduced. The purpose is to provide a camera.

  In order to achieve the above object, the video camera according to the present invention is characterized by a tape-type recording medium capable of recording moving image data and a start image after a predetermined time has elapsed from the start of shooting of the moving image or from the start of shooting. The image processing apparatus includes a memory in which image data is recorded in association with the tape recording medium, and a display unit in which the start image is displayed in association with the tape recording medium.

  According to the video camera of the present invention, when shooting a moving image, the image data of the moving image start image is recorded in association with a tape-type recording medium on which the moving image data is recorded. The information can be displayed on the display means while being associated with the tape type recording medium. Thereby, the content of the moving image recorded on the tape type recording medium can be easily confirmed.

  Another feature of the video camera according to the present invention is that it has a specifying unit that specifies an image of the moving image during shooting of the moving image, and the memory includes image data of the specified image specified by the specifying unit, and the memory A recording position where moving image data corresponding to the designated image is recorded on the tape recording medium is recorded in association with the tape recording medium, and the designated image and the recording position are recorded on the display means. It is at a point to be displayed.

  According to another video camera of the present invention, by specifying an arbitrary one screen during shooting of a moving image, the image data of the arbitrary specified image is recorded together with the recording position of the specified image on the tape type recording medium. Then, the designated image can be displayed on the display means while being associated with the recording position. For this reason, it is possible to easily confirm an arbitrary designated image, search for the designated image in a short time, and easily perform editing for copying to another recording medium.

  Another feature of the video camera according to the present invention is that the display unit has a playback unit that plays back a moving image, and when the designated image displayed on the display unit is selected, the playback of the moving image starts from the recording position. There is in point to do.

  According to the other video camera of the present invention, since the reproduction of the moving image can be started from the recording position of the designated image by designating the designated image, the designated image can be searched in a shorter time. it can.

  The image management method according to the present invention is characterized in that, when shooting of a moving image is started, the image data of the moving image is recorded on a tape-type recording medium, and image data of a start image at the start of shooting of the moving image is recorded on the tape. The recording is performed in association with the recording medium, and the start image is displayed in association with the tape recording medium.

  According to the image management method of the present invention, when shooting a moving image, the image data of the moving image start image is recorded in association with the tape-type recording medium on which the moving image data is recorded. The information can be displayed on the display means while being associated with the tape type recording medium, whereby the contents of the moving image recorded on the tape type recording medium can be easily confirmed.

  Another feature of the image management method according to the present invention is that, when an image of the moving image is specified during shooting of the moving image, image data of the specified specified image and a moving image corresponding to the specified image in the tape-type recording medium are recorded. A recording position where image data is recorded is recorded in association with the tape type recording medium, and the designated image is displayed in association with the recording position.

  According to another image management method according to the present invention, by designating an arbitrary screen during shooting of a moving image, the image data of the arbitrary designated image is recorded together with the recording position of the designated image on the tape type recording medium. The designated image can be recorded and displayed on the display means in association with the recording position. For this reason, it is possible to easily confirm an arbitrary designated image, search for the designated image in a short time, and easily perform editing for copying to another recording medium.

  Furthermore, another image management method according to the present invention is characterized in that when the designated image is selected, the reproduction of the moving image is started from the recording position.

  According to the other image management method of the present invention, since the reproduction of a moving image can be started from the recording position of the designated image by designating the designated image, the designated image can be searched in a shorter time. Can do.

  As described above, according to the video camera and the image management method of the present invention, the content of the moving image recorded on the tape type recording medium can be confirmed as an image without reproducing the moving image on the display means. Thus, the contents of the moving image recorded on the tape type recording medium can be easily confirmed, so that the operability of the digital video camera can be improved.

  In addition, it is possible to search for an arbitrary designated image without reproducing a moving image on a liquid crystal display panel or the like, thereby further improving the operability of the digital video camera.

  Hereinafter, an embodiment of a video camera according to the present invention will be described with reference to FIGS. Here, in the present embodiment, description will be made using a digital video camera that converts acquired information such as moving images and sounds into digital data and records the data.

  FIG. 1 is a block diagram showing a basic configuration of a digital video camera according to the present embodiment. As shown in FIG. 1, the digital video camera 1 starts to shoot a moving image and acquire sound at the time of shooting. There are provided a shooting start button 2 for specifying and a specifying button 3 for specifying one screen of a moving image during shooting. Further, the digital video camera 1 is provided with a switching means 4 for switching to a shooting mode, a playback mode, and an OFF mode.

  Further, when the digital video camera 1 presses the shooting start button 2 in the shooting mode, the digital video camera 1 shoots a moving image, processes the image data of the shot moving image, and the image data of one screen of the moving image. It has the 2nd image part 7 to process, and the audio | voice part 8 which acquires an audio | voice and processes the audio | voice data of the acquired audio | voice.

  The first image unit 6 converts analog image data input from the CCD 10 to which image data of a captured moving image is input into a digital format, and converts the input digital image data into a predetermined format such as DV (Digital Video). Is encoded.

  The second image unit 7 converts the image data of the start image, which is a still image of one screen in the moving image at the start of shooting, into digital image data, and encodes the image data of the start image into a predetermined format. It is supposed to be.

  Further, the second image unit 7 converts the image data of the designated image, which is a still image of one screen in the moving image being designated designated by the designation button 3, into digital image data, and converts the image data of the designated image into the digital image data. The data is encoded in a predetermined format.

  In the present embodiment, the start image and the designated image are still images, but the present invention is not limited to this, and may be a short-time moving image.

  The audio unit 8 converts the analog audio data input from the microphone 11 that receives audio data when shooting a moving image into a digital format, and encodes the input digital audio data into a predetermined format. It has become.

  A tape-type recording medium 13 is attached to the digital video camera 1, and the first image unit 6 and the video unit record moving image data and audio data encoded on the tape-type recording medium 13. It is supposed to be.

  An external memory 14 made of a semiconductor is attached to the digital video camera 1, and the second image unit 7 stores the encoded image data of the start image and the image data of the designated image in the external memory. 14 is recorded.

  Further, the digital video camera 1 has a recording environment information control unit 16. The recording environment information control unit 16 uses a clock (not shown) built in the digital video camera 1 to start the shooting, specify the specified date and time of the specified image, and end the shooting, as well as the tape-type recording medium 13 at the start of shooting. Various recording environment information such as the counter number of the tape type recording medium 13 at the time of designation of the designated image, the counter number of the tape type recording medium 13 at the end of photographing, and the photographing time. ing. At the same time, the recording environment information control unit 16 acquires identification information of the tape type recording medium 13 being photographed. The identification information of the tape type recording medium 13 may be obtained from, for example, an IC memory added to the tape type recording medium 13. The recording environment information control unit 16 records the recording environment information in the external memory 14.

  In the present embodiment, the image data of the start image and the designated image and the recording environment information are recorded in the external memory 14, but the present invention is not limited to this. For example, the digital video camera 1 You may make it record on a built-in memory. The above-described recording environment information is merely an example, and various other recording environment information such as a shooting start position and a specified position of a specified image may be recorded.

  The digital video camera 1 reproduces a moving image data store audio data recorded on the tape type recording medium 13, and further, a reproduction unit 18 that reproduces image data and recording environment information of a start image and a designated image recorded in the external memory 14. have.

  The reproduction unit 18 displays the moving image, the start image, the designated image, and each recording environment information on a liquid crystal display panel 20 as display means provided in the digital video camera 1.

  Further, the digital video camera 1 has a selection button 22 for selecting each image displayed on the liquid crystal display panel 20 and a front for displaying each image recorded next to or before each displayed image. A screen button 23a and a next screen button 23b are provided.

  Further, the digital video camera 1 outputs image data, audio data, and other various data to an external device such as a personal computer (not shown), and control data for operating the video camera from the external device under the control of the external device. Is connected to a digital video and an external device.

  Next, an image management method in the video camera of this embodiment will be described with reference to FIG.

  First, when shooting a moving image, when the video camera is switched to a shooting mode and the shooting start button 2 is pressed (ST1), the first image unit 6 starts to input analog moving image data from the CCD 10, and After the analog image data is converted to digital, the digital image data is encoded and recorded on the tape recording medium 13 (ST2).

  At the same time, when the shooting start button 2 is pressed (ST1), the second image unit 7 inputs analog image data of the start image at the start of shooting from the CCD 10 and digitally converts the analog image data. After the conversion, digital image data is encoded and recorded in the external memory 14 (ST3).

  When the shooting start button 2 is pressed (ST1), the audio unit 8 starts inputting analog audio data from the microphone 11, converts the analog audio data to digital, and then converts the analog audio data to digital. The audio data is encoded and recorded on the tape recording medium 13 (ST4).

  Further, when the shooting start button 2 is pressed (ST1), the recording environment information control unit 16 acquires the identification information of the tape type recording medium 13 and records it in the external memory 14, and also shoots in association with the identification information. The start date and time and the counter number of the recording position of the tape type recording medium 13 on which the moving image corresponding to the start image is recorded are recorded in the external memory 14 (ST5).

  Subsequently, when there is a screen to be specified while shooting a moving image, when the designation button 3 is pressed on the video camera (ST6), the second image unit 7 inputs analog image data of the designated image at the time of designation. After the analog image data is converted to digital, the digital image data is encoded and recorded in the external memory 14 (ST7).

  When the designation button 3 is pressed (ST7), the recording environment information control unit 16 associates with the identification information of the tape type recording medium 13 and records the video corresponding to the designated date and time or the designated image. The counter number of the recording position of the recording medium 13 is recorded in the external memory 14 (ST8).

  Designation of the screen during shooting of the moving image can be performed a plurality of times.

  At this time, the first image unit 6 continues to record moving image data on the tape type recording medium 13 as described above (ST2), and the audio unit 8 continues to record audio data on the tape type recording medium 13. (ST4).

  Next, when shooting is finished by pressing the shooting start button 2 again or by setting the digital video camera 1 to the OFF mode (ST9), the first image unit 6 stops the input of moving image data from the CCD 10. At the same time (ST10), the voice unit 8 stops inputting voice data from the microphone 11 (ST11).

  Further, the recording environment information control unit 16 records the counter number of the recording position of the tape type recording medium 13 at the end of photographing and the photographing time in the external memory 14 in association with the identification information of the tape type recording medium 13 (ST12). .

  Next, a playback method in the video camera will be described with reference to FIG.

  First, when the video camera is switched to the playback mode (ST21), the playback unit 18 extracts the identification information of the tape type recording medium 13 and the image data of the start image and the designated image from the external memory 14 and associates them with the identification information. Based on the image data, the start image and the thumbnail of the designated image are displayed on the liquid crystal display panel 20 (ST22).

  Here, when the identification information of a plurality of tape recording media 13 and image data such as start images are recorded in the external memory 14, as shown in FIG. 4, the corresponding tape recording media together with the identification information. A thumbnail such as a start image corresponding to the image data of the moving image recorded in 13 is displayed.

  When the user of the video camera selects the tape type recording medium 13 to be reproduced by the selection button 22 while confirming the thumbnail displayed on the liquid crystal display panel 20 (ST23), as shown in FIG. The thumbnail of the start image of the selected tape type recording medium 13 is displayed on the liquid crystal display panel 20, and the shooting date and time of the start image and the recording position where the moving image corresponding to the start image is recorded on the selected tape type recording medium 13 are displayed. The counter number and the shooting time of the shot video are displayed (ST24).

  Here, when the start image displayed by the selection button 22 is selected (Yes in ST25), the tape type recording medium 13 in which the image data of the moving image including the start image is recorded is attached to the digital video camera 1. (ST26), if it is attached (Yes in ST26), reproduction of the moving image is started from the start position (ST27).

  On the other hand, when the digital video camera 1 is not attached (No in ST26), a message that the digital video camera 1 is not attached is displayed (ST28). When the digital video camera 1 is attached (ST29), the video is reproduced from the start position. Is started (ST27).

  Subsequently, when the displayed start image is not selected (No in ST25), when the next screen 23b button is pressed (ST30), the thumbnail of the designated image designated during shooting of the moving image is displayed on the liquid crystal display panel 20. The shooting date and time of the designated image and the counter number of the recording position where the moving image corresponding to the designated image is recorded on the selected tape type recording medium 13 are displayed (ST31).

  When the designated image displayed by the selection button 22 is selected (ST32), it is confirmed whether or not the tape type recording medium 13 on which the moving image data including the designated image is recorded is attached to the digital video camera 1 ( ST33), if attached (Yes in ST33), the playback unit 18 fast forwards or rewinds the tape type recording medium 13 based on the counter number of the designated image, and designates the designated image on the liquid crystal display panel 20. The moving image is played back from the position (ST34).

  On the other hand, when the tape-type recording medium 13 on which the image data of the moving image including the selected designated image is recorded is not attached to the digital video camera 1 (No in ST33), the playback unit 18 selects the corresponding tape-type recording medium. The fact that the recording medium 13 is not attached to the digital video camera 1 is displayed on the liquid crystal display panel 20 (ST35). When the corresponding tape-type recording medium 13 is attached to the digital video camera 1 (ST36), the reproducing unit 18 reproduces a moving image from the position where the designated image is designated on the liquid crystal display panel 20 (ST34).

  In addition, instead of the liquid crystal display panel 20 of the digital video camera 1, the digital video camera 1 is connected to an external device via the interface connection unit 26, whereby the start image and the thumbnail of the designated image are displayed on the display unit of the external device. You may display and play a video.

  Furthermore, what is recorded in the external memory 14 may not be image data at the start of shooting, but may be image data after a predetermined time has elapsed (for example, 3 seconds) from the start of shooting.

  Next, the operation of this embodiment will be described.

  According to the present embodiment, when shooting a moving image, the image data of the start image in the moving image is recorded while being associated with the tape type recording medium 13 on which the moving image data is recorded, and the liquid crystal display panel 20 of the video camera The thumbnail of the start image can be displayed in association with the tape recording medium 13 on the display means of the external device. Thereby, the content of the moving image recorded on the tape type recording medium 13 can be easily confirmed.

  Further, if any one screen is designated during moving image shooting, the image data of the arbitrary designated image is recorded together with the recording position where the image data of the moving image corresponding to the designated image on the tape type recording medium 13 is recorded. can do. Therefore, it is possible to easily search where an arbitrary designated image is recorded on the tape type recording medium 13.

  Therefore, the content of the moving image recorded on the tape-type recording medium 13 can be easily confirmed as an image without reproducing the moving image on the liquid crystal display panel 20 or the like. It has the effect that improvement of can be aimed at.

  In addition, any designated image can be searched in a short time without reproducing the moving image on the liquid crystal display panel 20 or the like, so that, for example, editing for copying to a DVD can be easily performed. As a result, the operability of the digital video camera 1 can be further improved.

  In addition, this invention is not limited to the said embodiment, A various change is possible as needed.

1 is a block diagram showing a basic configuration of an embodiment of a video camera according to the present invention. 1 is a flowchart showing an embodiment of an image management method according to the present invention. The flowchart which shows one Embodiment of the reproducing method in the video camera which concerns on this invention The conceptual diagram which shows an example of the display in the display means provided in the video camera of FIG. The conceptual diagram which shows the example of the other display in the display means of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Digital video camera 2 Shooting start button 3 Designation button 4 Switching means 6 1st image part 7 2nd image part 8 Audio | voice part 10 CCD
DESCRIPTION OF SYMBOLS 11 Microphone 13 Tape-type recording medium 14 External memory 16 Recording environment information control part 18 Playback part 20 Liquid crystal display panel 22 Selection button 26 Interface part

Claims (6)

  A tape-type recording medium capable of recording moving image data, and a memory in which image data of a start image after a predetermined time has elapsed from the start of shooting of the moving image or after the start of shooting is recorded in association with the tape-type recording medium; And a display means for displaying the start image in association with the tape type recording medium. A designation unit for designating an image of the moving image during shooting of the moving image;
In the memory, the recording position where the image data of the designated image designated by the designation means and the image data of the moving image corresponding to the designated image is recorded on the tape recording medium is associated with the tape recording medium. The video camera according to claim 1, wherein the designated image and the recording position are displayed on the display unit.   3. The reproduction unit according to claim 2, further comprising: a reproduction unit that reproduces a moving image in the display unit, and when the designated image displayed on the display unit is selected, the reproduction of the moving image is started from the recording position. Video camera.   When shooting of a moving image is started, the image data of the moving image is recorded on a tape-type recording medium, and image data of a start image at the start of shooting of the moving image is recorded in association with the tape-type recording medium, and the start An image management method comprising displaying an image in association with the tape-type recording medium.   When the moving image is designated during the shooting of the moving image, the recording position where the image data of the designated designated image and the moving image image data corresponding to the designated image are recorded on the tape-type recording medium is recorded on the tape. 5. The image management method according to claim 4, wherein recording is performed in association with an expression recording medium, and the designated image is displayed in association with the recording position.   6. The image management method according to claim 5, wherein when the designated image is selected, reproduction of the moving image is started from the recording position.

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