Communication management device, image communication system, communication management method, and recording medium
A communication management device includes circuitry that: receives captured image data of a captured image obtained by an image capturing device and time-series information representing a date and time associated with predetermined area information, the predetermined area information representing a predetermined area and is transmitted by a communication terminal that displays a predetermined area image of the predetermined area; and transmits, to the communication terminal, converted predetermined area image data obtained through perspective projection conversion based on the received captured image data and the received time-series information.
1 . A communication management device comprising:
circuitry configured to generate a recorded file that reflects a viewing state of a communication terminal at each site of a plurality of sites, while distributing captured image data in real time, the distributing captured image data in real time being for a particular event;
a memory that stores time-series information in which times of predetermined-area information are recorded, the predetermined-area information representing a partial area of the captured image data generated by the communication terminals at each site;
circuitry configured to obtain predetermined area image data based on the captured image data and the time-series information which corresponds to a site which is selected from the plurality of sites at the communication terminal; and
circuitry configured to generate the recorded file that reflects the viewing state of the communication terminal at the site which has been selected, based on the predetermined area image data.
2 . The communication management device of claim 1 , wherein:
the captured image data is a spherical image, and
the circuitry configured to obtain obtains the predetermined area image data, applied with perspective projection conversion, based on the captured image data and the time-series information.
3 . The communication management device of claim 2 , wherein:
the spherical image is generated from a combination of a first hemispherical image and a second hemispherical image.
4 . The communication management device of claim 1 , wherein:
the circuitry configured to generate the recorded file generates the recorded file in response to a request received from the communication terminal after the distributing of the captured image data in real time has ended.
5 . The communication management device of claim 1 , further comprising:
circuitry configured to provide a user interface to the communication terminal, the user interface displaying a selectable list of one or more events.
6 . The communication management device of claim 5 , wherein:
the list of one or more events includes, for each event, a date and a time.
7 . The communication management device of claim 5 , wherein:
the user interface further displays a selectable list of the plurality of sites associated with an event selected from the list of one or more events.
8 . The communication management device of claim 7 , wherein:
the list of the plurality of sites includes an IP address for each site.
9 . The communication management device of claim 1 , wherein:
the predetermined-area information comprises a radius vector, a polar angle, and an azimuth angle.
10 . The communication management device of claim 1 , wherein:
the memory further stores an original recorded file of the captured image data, the original recorded file being unconverted.
11 . The communication management device of claim 1 , wherein:
the communication terminal is a videoconference terminal.
12 . A method, comprising:
generating a recorded file that reflects a viewing state of a communication terminal at each site of a plurality of sites, while distributing captured image data in real time, the distributing captured image data in real time being for a particular event;
obtaining predetermined area image data based on the captured image data and time-series information of predetermined-area information which corresponds to a site which is selected from the plurality of sites at the communication terminal, the predetermined-area information representing a partial area of captured image data generated by the communication terminal at each site; and
generating the recorded file that reflects the viewing state of the communication terminal at the site which has been selected, based on the predetermined area image data.
13 . The method according to claim 12 , wherein:
the captured image data is a spherical image, and
the obtaining obtains the predetermined area image data, applied with perspective projection conversion, based on the captured image data and the time-series information.
14 . The method of claim 12 , wherein:
the generating the recorded file is performed in response to a request received from the communication terminal after the distributing of the captured image data in real time has ended.
15 . The method of claim 12 , further comprising:
providing a user interface to the communication terminal, the user interface displaying a selectable list of one or more events, each event being associated with a movie file name.
16 . The method of claim 12 , wherein:
the time-series information includes a timestamp for each instance of the predetermined-area information.
17 . A non-transitory computer readable medium including instructions, which when executed by one or more processors causes:
generating a recorded file that reflects a viewing state of a communication terminal at each site of a plurality of sites, while distributing captured image data in real time, the distributing captured image data in real time being for a particular event;
obtaining predetermined area image data based on the captured image data and time-series information of predetermined-area information which corresponds to a site which is selected from the plurality of sites at the communication terminal, the predetermined-area information representing a partial area of captured image data generated by the communication terminal at each site; and
generating the recorded file that reflects the viewing state of the communication terminal at the site which has been selected, based on the predetermined area image data.
18 . The non-transitory computer readable medium according to claim 17 , wherein:
the captured image data is a spherical image, and
the obtaining obtains the predetermined area image data, applied with perspective projection conversion, based on the captured image data and the time-series information.
19 . The non-transitory computer readable medium of claim 17 , wherein:
the instructions further cause storing an original recorded file of the captured image data without obtaining the predetermined area image data.
20 . The non-transitory computer readable medium of claim 17 , wherein:
the communication terminal is a smartphone.