IP Library › Granted Patent US 12,361,237
Granted Patent B2
US 12,361,237 · App. 18/514,214 · Granted Jul 15, 2025

Video management system, video management method, reading apparatus, and information processing apparatus

Inventor: Tomoya Uehara (Shizuoka, JP)
Assignee: Canon Kabushiki Kaisha
G06K7/10366G06K19/0723
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Quick Facts
Patent No.
US 12,361,237
App. No.
18/514,214
Granted
Jul 15, 2025
Kind
B2
Abstract

There is provided a video management system for managing a video of a real space captured by a capturing apparatus, including: a first reading unit configured to emit an electromagnetic wave to a tag reading range and read information that is sent back from a radio frequency identification (RFID) tag utilizing energy of the electromagnetic wave; a first RFID tag that stores first tag identification information; and a data management unit configured to cause a database to store a reading result by the first reading unit in association with the video so that a portion in the video captured by the capturing apparatus corresponding to a time at which the first tag identification information has been read from the first RFID tag by the first reading unit is able to be extracted.

Claims (41)

1. A video management system for managing a video of a real space captured by a capturing apparatus, comprising:

a first reading apparatus that moves in the real space and includes a first reading unit configured to emit an electromagnetic wave to a tag reading range and read information that is sent back from a radio frequency identification (RFID) tag utilizing energy of the electromagnetic wave;

a first RFID tag that is attached to a first management target and stores first tag identification information;

a second RFID tag that is installed at a known position in the real space and stores second tag identification information; and

a data management unit configured to cause a database to store a reading result of the first tag identification information and position information of the first reading apparatus derived based on a reading result of the second tag identification information in association with the video so that a portion in the video captured by the capturing apparatus corresponding to a time at which the first tag identification information has been read from the first RFID tag by the first reading unit is able to be extracted.

2. The video management system according to claim 1 , wherein the first reading unit is configured to attempt reading of tag identification information while the capturing apparatus is capturing the video; and

the data management unit is configured to cause the database to store the first tag identification information and a reading time of the first tag identification information in association with the video in a case where the first tag identification information has been read from the first RFID tag by the first reading unit.

3. The video management system according to claim 2 , wherein the video is stored together with information that identifies the capturing apparatus and a capturing time of the video, and

the data management unit is configured to associate the reading result of the first tag identification information with the video via the information that identifies the capturing apparatus.

4. The video management system according to claim 2 , wherein the video management system further comprises a controlling unit configured to, in a case where the first management target is selected by a user from among one or more management targets, cause the portion in the video associated with the reading result of the first tag identification information to be reproduced on a screen, the portion corresponding to the reading time of the first tag identification information.

5. The video management system according to claim 4 , wherein the control unit is configured to:

in a case where the first management target is selected by the user, present a list of one or more candidate videos that are respectively associated with one or more reading results including the first tag identification information to the user, and

cause a portion in a video selected by the user from among the one or more candidate videos to be reproduced on the screen, the portion corresponding to a reading time of the first tag identification information.

6. The video management system according to claim 1 , wherein the first reading apparatus is physically separate from the capturing apparatus.

7. The video management system according to claim 6 , wherein the capturing apparatus and the first reading apparatus are carried by, worn by, or mounted on a first moving entity.

8. The video management system according to claim 1 , wherein the capturing apparatus is integrated with the first reading apparatus.

9. The video management system according to claim 1 , wherein the video management system further comprises a measuring unit that moves together with the first reading apparatus and is configured to measure a relative amount of movement in the real space,

wherein the position information of the first reading apparatus is derived further based on the amount of movement measured by the measuring unit.

10. The video management system according to claim 9 , wherein

the position information is derived based on a position at which the second tag identification information has been read from the second RFID tag by the first reading unit and the relative amount of movement from that position measured by the measuring unit.

11. The video management system according to claim 9 ,

wherein the measuring unit is configured to measure the relative amount of movement based on sensor data output from a three-axis acceleration sensor, a gyro sensor, and a geomagnetic sensor.

12. The video management system according to claim 9 , wherein the video management system further comprises a control unit configured to cause a trajectory of movement of the first reading apparatus and a reading position at which the first tag identification information has been read from the first RFID tag by the first reading unit to be displayed on a screen based on the position information,

wherein the control unit is configured to cause a portion in the video corresponding to a point designated by a user on the screen to be reproduced on the screen.

13. The video management system according to claim 1 , wherein the video management system further comprises a third RFID tag that is attached to the capturing apparatus,

wherein the first reading unit is configured to read, from the third RFID tag, information for associating a reading result of the first tag identification information from the first RFID tag with the video captured by the capturing apparatus.

14. The video management system according to claim 1 , wherein the capturing apparatus is a 360-degree camera.

15. A video management method performed by a first reading apparatus that moves in a real space, the video management method comprising:

while a capturing apparatus is capturing a video of the real space, emitting an electromagnetic wave to a tag reading range;

reading second tag identification information from a second radio frequency identification (RFID) tag that is installed at a known position in the real space and stores the second tag identification information;

reading first tag identification information from a first RFID tag that is attached to a first management target and stores the first tag identification information; and

causing a database to store a reading result of the first tag identification information and position information of the first reading apparatus derived based on a reading result of the second tag identification information in association with the video so that a portion in the video corresponding to a reading time of the first tag identification information is able to be extracted.

16. A reading apparatus that moves in a real space comprising:

a communication unit configured to communicate with an information processing apparatus that manages data related to a video,

a reading unit configured to emit an electromagnetic wave to a tag reading range and read information that is sent back from a first radio frequency identification (RFID) tag and a second RFID tag utilizing energy of the electromagnetic wave while a capturing apparatus is capturing a video of the real space, wherein the first RFID tag is attached to a first management target and stores first tag identification information and the second RFID tag is installed at a known position in the real space and stores second tag identification information; and

a control unit configured to, in a case where the first and second tag identification information has been read by the reading unit from the first and second RFID tags, transmit reading results for the first and second tag identification information via the communication unit to the information processing apparatus thereby causing the information processing apparatus to store, in a database, the reading result of the first tag identification information and position information of the reading apparatus derived based on a reading result of the second tag identification information in association with the video so that a portion in the video captured by the capturing apparatus corresponding to a reading time of the first tag identification information is able to be extracted.

17. An information processing apparatus for managing a video of a real space captured by a capturing apparatus, comprising:

a communication unit configured to communicate with a reading apparatus that moves in the real space and reads information sent back from a first radio frequency identification (RFID) tag and a second RFID tag utilizing energy of an electromagnetic wave emitted to a tag reading range, wherein the first RFID tag is attached to a first management target and stores first tag identification information and the second RFID tag is installed at a known position in the real space and stores second tag identification information; and

a data management unit configured to:

obtain position information of the reading apparatus derived based on a reading result of the second tag identification information; and

in a case where a reading result indicating that the reading apparatus has read the first tag identification information from the first RFID tag is received via the communication unit, cause a database to store the received reading result and the obtained position information in association with the video so that a portion in the video captured by the capturing apparatus corresponding to a time at which the first tag identification information has been read by the reading apparatus is able to be extracted.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 27, 2023
From: UEHARA, TOMOYA
To: CANON KABUSHIKI KAISHA
Reel/Frame 065957/0274 →
Priority Claims (1)
JP 2021-093151 · Jun 2, 2021 · national
Continuity (2)
Continuation PCTJP2022021515 · May 26, 2022
Related Publication 20240086657A1 · Mar 14, 2024
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