JP2015099421A - Video content management device and portable communication terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a video content management device for enabling a user who photographs video content to automatically extract the video content photographed as a subject by designating the video content.SOLUTION: A video content management device includes: a video content storage part 21 for storing two or more video content; a content information storage part 22 for storing content information including the photographer, subject and photographic place of the video content in association with the video content; a search request reception part 23 for receiving a search request with any video content designated as content for search; and a content search part 24 for extracting the video content associated with the photographic place whose distance to the photographic place of the content for search is equal to or less than a predetermined value by setting the photographer of the content for search as a subject from among the video content stored in the video content storage part 21 on the basis of the search request.

Description

  The present invention relates to a video content management apparatus and a portable communication terminal, and more particularly to an improvement of a video content management apparatus that extracts desired video content from two or more video contents.

  Life log is a technology that converts a user's life, behavior, and experience into digital data such as video and audio, and records the data together with position and time. Such a life log includes a manual recording method in which a user himself / herself operates a recording device to record digital data, and an automatic recording method in which digital data is constantly recorded. A so-called life log camera is an automatic recording type camera, which is worn on clothes or a body, always shoots a subject, and automatically records a shot image. According to such a life log camera, since the video of the photographer's viewpoint is continuously recorded, when the user encounters a desired scene, the user does not have to hold the camera and never miss a photo opportunity. In addition, the user can supplement the ambiguous memory by browsing past photographed images regardless of the photographing time point.

  Usually, a photographer can view or edit a video photographed by himself. Also, if the captured video is uploaded to a server device on the network, the captured video can be disclosed to users other than the photographer. In recent years, there has been proposed a technique for restricting a disclosure target of a captured video to a specific user (for example, Patent Document 1). Japanese Patent Application Laid-Open No. H10-260260 describes that the disclosure target when a video captured by a fixed camera is disclosed is narrowed down to users who are near the installation position of the fixed camera at the time of video recording. In addition, a technique for facilitating search for a desired video scene for a long-time shot video has been proposed (for example, Patent Document 2). This Patent Document 2 describes that a video scene in which the area is shot is extracted from a shot video by designating the area on a map.

  Since the video captured by the life log camera is captured by a camera attached to clothes or the like, it is composed of an image with the photographer as the viewpoint, and the photographer himself does not appear in the video. For this reason, in the conventional photographing system as described above, each time you want to photograph yourself as a subject, you have to photograph the camera toward yourself and return it to the original position after the photographing. There was a problem of being.

  On the other hand, there are cases where the captured video held in the server device on the network includes a video scene in which the user himself appears as a subject. For example, in a system for sharing a shot video within a family or friend group of two or more constituent members, if the constituent members shoot together, other constituent members appear as subjects in the video shot by one constituent member A video scene will be included. If a captured image including such a video scene is downloaded from the server device and displayed, the user can confirm his / her own life and behavior with the captured image from the viewpoint of another person. In addition, the user is not within the shooting range of his / her camera and has not been able to shoot, but can check what the other person's camera can shoot with a shoot video, or can view a video of such a shoot as a subject. Can be shared. However, it has not been easy to find a photographed image including a desired image scene from a large number of photographed images on the server device.

JP 2013-9256 A JP2011-259265A

  The present invention has been made in view of the above circumstances, and a video content management apparatus that can extract video content shot as a subject by a user who is shooting the video content by specifying the video content. The purpose is to provide.

  A video content management apparatus according to the present invention includes a video content storage unit that holds two or more video contents, a content information storage unit that stores a photographer, a subject, and a shooting location of the video content in association with the video content, Search request receiving means for receiving a search request designating one of the video contents as search content, and the search from the video content held in the video content storage means based on the search request And content search means for extracting video content associated with a shooting location whose distance to the shooting location of the search content is a predetermined value or less.

  Since this video content management apparatus stores the video content photographer, the subject, and the shooting location in association with the video content, when the search request is received, the video content management apparatus stores the video content in association with the search content specified in the search request. The video content can be searched based on the photographer, the subject, and the shooting location. Therefore, the user can extract the video content captured by the user who is capturing the search content as a subject by designating any of the video content as the search content. In particular, since the video content is extracted based on the distance to the shooting location of the search content, it is possible to correctly extract the video content shot by the user who is shooting the search content.

  It is an object of the present invention to provide a video content management apparatus that allows a user who is shooting a search content to extract video content shot as a subject by designating any of the video content as search content. it can.

1 is a system diagram illustrating a configuration example of a captured video display system 1 according to an embodiment of the present invention. FIG. 2 is a perspective view illustrating a configuration example of the mobile communication terminal 10 in FIG. 1, and a mobile phone including a camera 16 on the back surface of a thin housing 11 is illustrated as an example of the mobile communication terminal 10. It is the block diagram which showed an example of the function structure in the portable communication terminal 10 of FIG. FIG. 4 is a block diagram illustrating a configuration example of a main control unit 100 in FIG. 3. It is explanatory drawing which showed typically a mode that the image | video sharing member 2 mutually image | photographs. It is the block diagram which showed the structural example of the video content management apparatus 20 of FIG. 4 is a flowchart showing an example of an operation at the time of shooting in the mobile communication terminal 10 of FIG. 3. 4 is a flowchart showing an example of an operation during video reproduction in the mobile communication terminal 10 of FIG. 3. 6 is a block diagram illustrating another configuration example of the video content management apparatus 20. FIG.

<Photographed video display system 1>
FIG. 1 is a system diagram showing a configuration example of a captured video display system 1 according to an embodiment of the present invention. The captured video display system 1 holds two or more mobile communication terminals 10 that capture a subject and generate video content, and holds the two or more video contents. In response to a search request from the mobile communication terminal 10, the video content is displayed. And a video content management apparatus 20 that searches for the video content.

  The mobile communication terminal 10 and the video content management apparatus 20 are connected to each other via a communication network 3 such as a mobile telephone network, a LAN (local area network), and the Internet. Video content shot by the mobile communication terminal 10 is uploaded to the video content management apparatus 20. Further, the user using the mobile communication terminal 10 can view or edit the video content taken by himself / herself as necessary by downloading it from the video content management apparatus 20.

  In this photographed video display system 1, video content is shared between two or more video sharing members 2, for example, "User A", "User B", and "User C", and even video content shot by others. It can be acquired from the video content management device 20 and viewed or edited.

<Mobile communication terminal 10>
FIG. 2 is a perspective view showing a configuration example of the mobile communication terminal 10 of FIG. 1. As an example of the mobile communication terminal 10, a mobile phone provided with a camera 16 on the back surface of the thin housing 11 is shown. (A) in the drawing shows the front surface of the thin casing 11, and (b) shows the back surface. The mobile communication terminal 10 is a terminal device including a thin casing 11, a screen display unit 12, a receiver 13 for receiving a voice, a microphone 14 for transmitting, operation keys 15 a to 15 c, and a camera 16.

  The thin housing 11 has a thin rectangular parallelepiped shape, and one main surface is the front surface and the other main surface is the back surface. The thin casing 11 has a vertically long shape as viewed from the terminal operator with the vertical direction as the longitudinal direction. The screen display unit 12, the receiver 13, the microphone 14, and the operation keys 15 a to 15 c are arranged on the front surface of the thin casing 11. Is arranged.

  The receiver 13 is disposed at one end in the longitudinal direction of the thin casing 11, that is, the upper end, and the microphone 14 and the operation keys 15a to 15c are disposed at the other end, that is, the lower end. The screen display unit 12 is a display device that displays various information including characters and images on the screen. The receiver 13 is a sound output device for outputting a received sound. The microphone 14 is a voice input device for inputting a transmission sound.

  Each of the operation keys 15a to 15c includes a push-down contact type switch, and various functions are assigned thereto. For example, the operation key 15a is a return key for returning to the previous screen. The operation key 15b is a home key for displaying a home screen. The operation key 15c is a menu key for displaying a menu screen.

  The camera 16 is an imaging device that captures a subject and generates video content. Video contents include still images and moving images, and these image types can be arbitrarily designated. Shooting conditions such as the shooting magnification, aperture, and image type of the camera 16 are specified by shooting parameters. The video content shot by the camera 16 is uploaded to the video content management apparatus 20. Further, the video content downloaded from the video content management device 20 is displayed on the screen display unit 12.

  FIG. 3 is a block diagram illustrating an example of a functional configuration in the mobile communication terminal 10 of FIG. The mobile communication terminal 10 includes a screen display unit 12, a receiver 13, a microphone 14, operation keys 15a to 15c, a camera 16, a main control unit 100, a cellular communication unit 101, an operation unit 102, an attitude sensor 103, a display control unit 104, The audio processing unit 105 and the memory 106 are included.

  The main control unit 100 performs main control such as call control. The cellular communication unit 101 is a wireless communication unit that connects to a mobile telephone network and communicates with a counterpart terminal via a cellular base station. The operation unit 102 generates an operation signal corresponding to the user operation and outputs the operation signal to the main control unit 100. The display control unit 104 performs display control of the screen display unit 12. The audio processing unit 105 amplifies the audio signal collected by the microphone 14, converts it into digital data and outputs it to the main control unit 100, while converting the audio data output from the main control unit 100 into an analog signal. Drive signal is generated and output to the receiver 13.

  The memory 106 holds an application program for the main control unit 100 to execute the above-described processing, video content shot by the camera 16, and photographer information. The photographer information is information indicating the photographer of the video content, for example, a user name and a user ID, and is stored in association with the video content. The user name and user ID are identification information for specifying the video sharing member 2. Here, the video content is composed of a series of still images, and includes audio data collected by the microphone 14 at the same time as capturing a moving image.

  The orientation sensor 103 is a sensor that detects the orientation of the terminal itself in order to specify the shooting location of the video content, and detects the position of the terminal itself and the orientation of the camera 16. The posture sensor 103 repeatedly detects the posture of the terminal itself at regular time intervals during video content shooting. For example, the position of the own terminal is obtained based on positioning signals received from a plurality of GPS satellites by receiving positioning signals transmitted from GPS (Global Positioning System) satellites. As a method for detecting the position, a method of acquiring the position information of the cellular base station from the received signal of the cellular communication unit 101 and detecting the position using this position information, the position using WiFi (Wireless Fidelity) is used. A method of acquiring information and detecting a position using this position information, or a method of detecting a position by combining these methods may be adopted.

  On the other hand, the orientation of the camera 16 is obtained based on the acceleration magnitude, the magnitude of the acceleration, the orientation, and the amount of change in acceleration per unit time. For example, the acceleration is detected using a capacitance-type acceleration sensor that detects a change in the position of the movable portion based on a change in capacitance. The direction detection method includes a method of detecting the direction using a geomagnetic sensor that detects geomagnetism, a method of detecting the direction using a gyro sensor that detects angular velocity, a method of detecting the direction using an electronic compass, Or you may employ | adopt the system which detects direction using combining these sensors.

<Main control unit 100>
FIG. 4 is a block diagram showing a configuration example of the main control unit 100 of FIG. The main control unit 100 includes a shooting location detection unit 110, a shared member information storage unit 111, a subject identification unit 112, a content information generation unit 113, a disclosure condition specification unit 114, a search request generation unit 115, a video content acquisition unit 116, and a video. The content playback unit 117 is configured.

  The shooting location detection unit 110 detects the shooting location of the video content based on the position of the terminal and the orientation of the camera 16 detected by the attitude sensor 103, and outputs the detection result to the content information generation unit 113. For example, the shooting location detection unit 110 first acquires shooting parameters from the camera 16 and obtains the distance to the subject. Then, the shooting location detection unit 110 identifies the imaging area on the map based on the position of the terminal on the map, the azimuth and elevation angles indicating the orientation of the camera 16, the distance to the subject, and the shooting magnification. The location on the map of the terminal and the imaging area are taken as shooting locations.

  The shared member information storage unit 111 holds member feature information indicating the appearance characteristics of the video sharing member 2. For example, the external shape of the face and body and the position of the feature point are held as member feature information. The member feature information may be a still image obtained by photographing the face or body of the video sharing member 2, for example, a thumbnail image.

  The subject identifying unit 112 reads the video content from the memory 106, identifies the subject appearing in the video content based on the member feature information in the shared member information storage unit 111, and outputs the identification result to the content information generating unit 113. To do. The identification of the subject is performed by extracting the subject from the video content by using a method such as edge detection, and specifying the subject by comparing the extracted subject with the member feature information.

  For subject identification, a method for identifying a subject by comparing audio data for collation stored in advance as member characteristic information with audio data recorded together with video content shooting is combined with the above method of image recognition. The configuration used may be adopted.

  The disclosure condition specifying unit 114 specifies the disclosure condition of the video content based on the operation signal from the operation unit 102. This disclosure condition includes disclosure permission information and disclosure prohibition information. In the release permission information, the video sharing member 2 permitted to be released, the shooting time zone, and the shooting location are designated. In the disclosure prohibition information, the video sharing member 2, the photographing time zone, and the photographing location that are prohibited from being disclosed are designated. That is, the user can designate the above-described disclosure permission information and disclosure prohibition information for each video content.

  The content information generation unit 113 generates content information based on the video content shooting location and the subject identification result. This content information is additional information for search, and includes a photographer, a subject identification result, a shooting location, a content name, a title, a shooting date and a release condition. The cellular communication unit 101 reads video content from the memory 106 and transmits the video content and content information to the video content management device 20.

  Based on the operation signal from the operation unit 102, the search request generation unit 115 generates a search request specifying any of the video contents held by the video content management apparatus 20 as the search content, and outputs the search request to the cellular communication unit 101. To do. The search request is transmitted from the cellular communication unit 101 to the video content management apparatus 20. The video content acquisition unit 116 acquires the search content and the target content extracted by the video content management device 20 based on the search request from the video content management device 20 via the cellular communication unit 101.

  The target content is video content held by the video content management apparatus 20, and is video captured at a place where the photographer of the search content is a subject and the distance to the search content shooting location is a predetermined value or less. Consists of content.

  The video content reproduction unit 117 generates video data for reproducing the video content acquired by the video content acquisition unit 116 and outputs the video data to the display control unit 104 and the audio processing unit 105. A moving image indicating video content is displayed on the screen display unit 12, and audio is output from the receiver 13. The search content and the target content are both displayed at the same time, or either one is displayed so as to be switchable.

  The user designates one of the video contents held by the video content management apparatus 20 as the search content, so that the photographer of the search content is taken as a subject and is shot at a location close to the shooting location of the search content. The obtained video content can be acquired from the video content management apparatus 20 and played back. For example, the user simply designates video content captured by himself / herself as search content, and acquires and browses video content captured by the user himself / herself who is capturing the search content from the video content management apparatus 20. can do.

  FIG. 5 is an explanatory view schematically showing a state in which the video sharing members 2 shoot each other. The user A of the video sharing member 2 takes the user B of the video sharing member 2 as a subject and shoots the imaging area Ea including the position of the user B. Also, the user C of the video sharing member 2 takes the user A of the video sharing member 2 as a subject and shoots the imaging area Ec including the position of the user A.

  The imaging areas Ea and Ec are areas on the map, and are obtained from the position of the photographer (position of the mobile communication terminal 10), the direction of the camera 16, the distance to the subject, and the photographing magnification. Each user A to C uploads video content shot using the mobile communication terminal 10 to the video content management device 20.

  Accordingly, the user A simply designates the video content photographed by himself / herself as the search content, and the user himself / herself is photographed as a subject, and the video content photographed from a position close to the photographing location of the search content is represented as a video. It can be acquired from the content management apparatus 20 and browsed. In this example, the video content shot by the user C can be acquired from the video content management apparatus 20 and browsed.

<Video content management apparatus 20>
FIG. 6 is a block diagram showing a configuration example of the video content management apparatus 20 of FIG. The video content management apparatus 20 includes a video content storage unit 21, a content information storage unit 22, a search request reception unit 23, a content search unit 24, and a video content transmission unit 25. The video content storage unit 21 holds two or more uploaded video contents 21a.

  The content information storage unit 22 stores content information 22a in association with video content. The content information 22a includes photographer information indicating a photographer, subject information indicating a subject appearing in the video content, shooting location information indicating a shooting location, and shooting time information indicating a shooting time.

  The search request receiving unit 23 is connected to the mobile communication terminal 10 via the communication network 3 and receives a search request designating one of the video contents 21 a held in the video content storage unit 21 as the search content. .

  The content search unit 24 searches the content information storage unit 22 based on the received search request, and takes the photographer of the search content as a subject from the video content 21a held in the video content storage unit 21. In addition, the video content associated with the shooting location where the distance to the shooting location of the search content is a predetermined value or less is extracted as the target content. For example, video content including the position of the photographer of the search content in the imaging area is extracted as the target content.

  The video content transmission unit 25 reads the search content and the target content extracted by the content search unit 24 from the video content storage unit 21, and the mobile communication terminal 10 that requested the search request for the target content together with the search content. Send to. The content search unit 24 extracts target content based on the shooting time information in order to increase the search accuracy.

  Specifically, the photographer of the search content is the subject, the distance to the capture location of the search content is a predetermined value or less, and the time difference from the capture time of the search content The video content associated with the shooting time when becomes less than a predetermined value is extracted as the target content. By identifying the target content using the shooting time information, even if the subject identification accuracy is low, the video content captured by the search content photographer as the subject can be correctly extracted from a position close to the search content shooting location. can do.

  Steps S101 to S113 in FIG. 7 are flowcharts illustrating an example of an operation at the time of shooting in the mobile communication terminal 10 in FIG. First, the main control unit 100 acquires video data from the camera 16, acquires audio data collected by the microphone 14, and stores it in the memory 106 as video content (step S101).

  Next, the main control unit 100 reads out the video content from the memory 106, extracts the subject, and specifies the subject by collating with the member feature information (steps S102 and S103). The main control unit 100 compares the previous collation result with the current collation result, and updates the information indicating the subject if there is a change in the subject in the video (steps S104 and S105). For example, when a subject that was not in the previous collation appears in the video, the shooting start time is stored in association with the subject. If the subject that was in the previous collation disappears from the video, the shooting end time is stored as content information in association with the subject.

  Next, if there is a change in the shooting parameter, the main control unit 100 updates the information indicating the shooting location (steps S106 and S107). For example, when the shooting magnification and aperture are changed, the changed parameter value and change time are added to the content information, and the shooting location information is updated. In addition, if there is a change in the attitude of the terminal that exceeds a predetermined level, the main control unit 100 updates the shooting location information (steps S108 and S109). For example, when the position of the terminal itself and the direction of the camera 16 change by a certain value or more, the changed parameter value and the change time are added to the content information, and the shooting location information is updated.

  The main control unit 100 repeats the processing procedure from step S101 to step S109 while shooting continues (step S110). Next, when the photographing is finished, the main control unit 100 edits the content information based on the user operation (step S111). For example, a user name and a user ID are specified for a subject that could not be specified. Next, the main control unit 100 designates a disclosure condition based on a user operation, uploads video content and content information to the video content management apparatus 20, and ends this processing (steps S112 and S113).

  Steps S201 to S208 in FIG. 8 are flowcharts showing an example of an operation during video reproduction in the mobile communication terminal 10 in FIG. First, the main control unit 100 designates one of the video contents held by the video content management apparatus 20 as a search content based on a user operation, and transmits a search request to the video content management apparatus 20 (step S201, S202). For example, video content captured by the user is designated as search content.

  Next, if there is a response from the video content management device 20, the main control unit 100 acquires the search content and the video block of the target content from the video content management device 20 (steps S203 and S204). The target content is associated with a shooting location where the photographer of the search content is the subject, and the distance to the shooting location of the search content is equal to or less than a predetermined value. Further, there is a time difference from the shooting time of the search content. Of the video content associated with the shooting time that is equal to or less than a predetermined value, the video content is permitted to be disclosed to the user.

  Next, the main control unit 100 reproduces the acquired search content (step S205), and if there is a display switching instruction from the user, the main control unit 100 changes the display video to a video block of the target content (steps S206 and S207). The main control unit 100 repeats the processing procedure from step S206 to step S207 while the reproduction continues (step S208).

  Since the video content management apparatus 20 according to the present embodiment stores the video content photographer, subject, and shooting location in association with the video content, the search content specified in the search request when the search request is received. The video content can be searched based on the photographer, the subject, and the shooting location stored in association with each other. Therefore, the user can automatically extract video content in which the user who is shooting the search content is shot as a subject by designating any of the video content as search content. In particular, since the video content is extracted by specifying the shooting location and the shooting time, it is possible to correctly extract the video content shot by the user who is shooting the search content.

  For example, the user can confirm his / her own life and behavior with video content from the perspective of others. In addition, the user can not shoot without entering the shooting range of his / her camera, but the video content confirms what the other person's camera can shoot with the video content, or such video content shot as a subject Can be shared within the video sharing member 2.

  In the present embodiment, an example in which the mobile communication terminal 10 is a mobile phone having a shape held by hand has been described, but the present invention does not limit the configuration of the mobile communication terminal 10. For example, the present invention can be applied to a head-mounted terminal device in which a camera is housed in a vine portion of a pair of glasses or a terminal device that does not have a telephone function.

  In the present embodiment, an example in which content information including a photographer, a subject, and a shooting location is stored in association with video content and the subject and shooting location are collated with search content in units of video content will be described. However, the present invention does not limit the video content extraction method to this. For example, the content information is stored in association with the video block obtained by blocking the video content based on the shooting time, the subject, or the shooting location, and the subject or shooting location is collated with the search content for each video block. May be.

  FIG. 9 is a block diagram showing another configuration example of the video content management apparatus 20. The content information generation unit 113 of the mobile communication terminal 10 generates content information for each video block obtained by blocking the video content based on the shooting time, the subject, or the shooting location. A video block consists of a part of the video content on the time axis.

  For example, the video block is divided every time the shooting time becomes a certain time or more, the shooting location changes by a certain distance or more, or the person who appears as the subject changes. The content information of each video block includes a subject identification result, a shooting start time, a shooting end time, and a shooting location. Note that the video block is classified as a block having a predetermined time length or more in order to prevent the video from being fragmented.

  The content information storage unit 22 of the video content management device 20 stores content information 22a in association with the video block described above. Accordingly, in the case of video content having a long shooting time, in the case of video content in which the shooting location changes greatly, or in the case of video content in which the person appearing as a subject changes, two or more pieces of content information 22a are included in one video content 21a. It is matched.

  The content search unit 24 extracts the target content from the video content 21a held in the video content storage unit 21 by comparing the subject and shooting location with the search content in units of video blocks. Specifically, video content including a video block associated with a shooting location where the photographer of the search content is the subject and the distance to the shooting location of the search content is a predetermined value or less is extracted as the target content. To do. With this configuration, the video content is extracted by specifying the video block, so that the search accuracy can be improved.

  The video content transmission unit 25 is a video block whose subject is the photographer of the search content among the target content extracted by the content search unit 24, and the distance to the shooting location of the search content is equal to or less than a predetermined value. The video block associated with the shooting location is transmitted to the request source of the search request. Compared to sending the entire target content by sending only video blocks shot from the location where the photographer of the search content is photographed as the subject and close to the shooting location of the search content. Can be made.

The configurations of the video content management apparatus 20 and the mobile communication terminal 10 according to the embodiment of the present invention and the corresponding operational effects are organized and summarized below.
The video content management apparatus 20 according to the first aspect of the present invention stores a video content storage unit 21 that holds two or more video contents, and content information including the video content photographer, subject, and shooting location in association with the video content. Content information storage unit 22 that performs search request reception unit 23 that receives a search request that designates one of the video contents as search content, and video content that is held in video content storage unit 21 based on the search request And a content search unit 24 for extracting video content associated with a shooting location where the photographer of the search content is a subject and the distance to the shooting location of the search content is a predetermined value or less. Configured. Since this video content management apparatus 20 stores the video content photographer, subject, and shooting location in association with the video content, when the search request is received, the video content management device 20 associates it with the search content specified in the search request. Video content can be searched based on the photographer, subject, and shooting location stored.

  In the video content management apparatus 20 according to the second aspect of the invention, in addition to the above configuration, the content information storage unit 22 stores the video content shooting time in association with the video content, and the content search unit 24 stores the search content. When the photographer is a subject, the distance to the shooting location of the search content is set to a predetermined value or less, and the time difference from the search time of the search content is a predetermined value or less. It is configured to extract the associated video content. Since the video content management apparatus 20 extracts the video content by specifying the shooting time, even if the subject identification accuracy is low, the photographer of the search content was shot from a location close to the shooting location of the search content. Video content can be extracted correctly.

  In the video content management apparatus 20 according to the third aspect of the present invention, in addition to the above-described configuration, the content information storage unit 22 stores a subject and a shooting location in association with a video block formed of a part on the time axis in the video content. The search unit 24 extracts video content including a video block associated with a shooting location where the photographer of the search content is a subject and the distance to the shooting location of the search content is a predetermined value or less. Composed. In this video content management apparatus 20, since video content is extracted by specifying a video block, the search accuracy can be improved. For example, when the video content includes two or more video blocks with different subjects and shooting locations, video content including only video blocks that do not match the photographer and shooting location of the search content is erroneously extracted. Can be prevented.

  The video content management apparatus 20 according to the fourth aspect of the present invention, in addition to the above configuration, is a video block whose subject is the photographer of the search content among the video content extracted by the content search unit 24. The video content transmitting unit 25 is configured to transmit a video block associated with a shooting location whose distance to the shooting location is equal to or less than a predetermined value to the request source of the search request. This video content management apparatus 20 can reduce the communication load as compared with the case where the entire video content is transmitted.

  The mobile communication terminal 10 according to the fifth aspect of the present invention, if any of the two or more video contents is designated as the search content, takes the photographer of the search content as the subject and reaches the shooting location of the search content. A mobile communication terminal that communicates with a video content management apparatus 20 that extracts video content shot at a location where the distance is less than or equal to a predetermined value, the camera 16 shooting a subject and generating video content, and shooting of the video content A shooting location detection unit 110 that detects a location, a photographer information storage unit that holds photographer information that indicates a photographer of video content, and shared member information that holds member feature information that indicates appearance characteristics of a video sharing member A storage unit 111 and a subject identification unit 112 that identifies a subject that appears in the video content based on the member feature information. The cellular communication unit 101 that transmits the video content, the shooting location, the photographer information, and the identification result of the subject to the video content management device 20, and any of the video content held by the video content management device 20 based on a user operation Acquired by the search request generation unit 115 that generates a search request specified as the search content, the video content acquisition unit 116 that acquires the video content extracted by the video content management apparatus 20 based on the search request, and the video content acquisition unit 116 And a video content playback unit 117 for playing back the video content. According to the mobile communication terminal 10, the user acquires the video content photographed as a subject and browses the user himself / herself who is photographing the search content by specifying the search content and transmitting a search request. be able to.

DESCRIPTION OF SYMBOLS 1 Photographed image display system 2 Image sharing member 10 Mobile communication terminal 12 Screen display unit 13 Receiver 14 for receiving microphones Microphones 15a to 15c for transmitting operation key 16 Camera 100 Main control unit 101 Cellular communication unit 102 Operation unit 103 Attitude sensor 104 Display control unit 105 Audio processing unit 106 Memory 110 Shooting location detection unit 111 Shared member information storage unit 112 Subject identification unit 113 Content information generation unit 114 Release condition specification unit 115 Search request generation unit 116 Video content acquisition unit 117 Video content reproduction unit 20 Video content management device 21 Video content storage unit 22 Content information storage unit 23 Search request reception unit 24 Content search unit 25 Video content transmission unit

Claims (5)

Video content storage means for holding two or more video content;
Content information storage means for storing a photographer, a subject, and a shooting location of the video content in association with the video content;
Search request receiving means for receiving a search request designating any of the video contents as search content;
Based on the search request, the distance from the video content stored in the video content storage means to the photographer of the search content as a subject and the shooting content shooting location is a predetermined value. A video content management apparatus comprising: content search means for extracting video content associated with a shooting location as described below. The content information storage means stores the shooting time of the video content in association with the video content,
The content search means is associated with a shooting location where the photographer of the search content is a subject, the distance to the shooting location of the search content is equal to or less than a predetermined value, and the search content is shot. The video content management apparatus according to claim 1, wherein video content associated with a shooting time at which a time difference from the time is equal to or less than a predetermined value is extracted. The content information storage means stores a subject and a shooting location in association with a video block consisting of a part on the time axis in the video content,
The content search means includes a video block including the video block associated with a shooting location where the photographer of the search content is a subject and the distance to the shooting location of the search content is equal to or less than the predetermined value. The video content management apparatus according to claim 1, wherein the video content management apparatus extracts a video content.   Of the video content extracted by the content search means, the video block whose subject is the photographer of the search content, and the shooting location where the distance to the shooting location of the search content is equal to or less than the predetermined value 4. The video content management apparatus according to claim 3, further comprising video block transmission means for transmitting the video block associated with the request to a request source of the search request. If any of the two or more video contents is designated as the search content, the photograph is taken at the place where the photographer of the search content is a subject and the distance to the shooting location of the search content is equal to or less than a predetermined value. In a mobile communication terminal that communicates with a video content management device that extracts video content that has been recorded,
Imaging means for photographing a subject and generating video content;
Shooting location detection means for detecting the shooting location of the video content;
Photographer information storage means for holding photographer information indicating the photographer of the video content;
Shared member information storage means for holding member feature information indicating appearance features of the video sharing member;
Subject identifying means for identifying a subject appearing in the video content based on the member feature information;
Content transmitting means for transmitting the video content, the shooting location, the photographer information, and the identification result of the subject to the video content management device;
Search request generating means for generating a search request designating any of the video contents held by the video content management apparatus as search content based on a user operation;
Video content acquisition means for acquiring the video content extracted based on the search request by the video content management device;
A mobile communication terminal comprising: a video content reproduction unit that reproduces the video content acquired by the video content acquisition unit.

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