JP2000004432A - Moving image sharing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To synchronously update moving images between computers sharing moving images by transmitting the updating instruction of moving images to the other computer when the first computer receives a notice showing that moving images can be updated from all the computers sharing the moving images. SOLUTION: A computer 1 transmits the information of moving images for one frame to computers 2 and 3. When the information for one frame is completely received and the update of moving images is enabled, the computers 2 and 3 respectively send moving image synchronizing signals to the computer 1 and report it to the computer 1 that it is possible for the computer itself to update the moving image. Then, the computer 1 judges that all the computers sharing the moving images can update the moving images, and performs updating into one similar to the frame of moving images sent to the computers 2 and 3. Then, the computers 2 and 3 update the moving images to the latest frame received from the computer 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a moving image which enables a user to share a moving image by transmitting the moving image information via a network, and to work together while referring to the shared moving image, for example. The present invention relates to an image sharing system.

[0002]

2. Description of the Related Art FIG. 5 is a system configuration diagram showing a conventional moving image sharing system.
Reference numeral 102 denotes a computer that shares moving images, and 103 denotes a network connecting these.

Next, the operation will be described. The computer 100 acquires a moving image from a video camera or the like, performs a digital compression process on the moving image, and transmits the moving image to other computers 101 and 102 via the network 103 according to the processing capability. .

[0004]

Since the conventional moving picture sharing system is configured as described above, the computer 101 connected to the network 103 having a high transmission speed may generate a moving image due to the difference in transmission speed of the network 103. Although the frame of the image is updated quickly, the update of the frame of the moving image is slow in the computer 102 connected to the network having a low transmission speed, and each computer 10
There is a variation in the update of the frame between 1,102. If the variation in the update of the frame becomes large, the cooperative work among a plurality of workers is shifted. For example, if the user interacts in real time while watching the shared screen by means such as a telephone separately, the shared screen seen at the moment when the worker A is speaking and the other worker B hears the utterance of the worker A There were problems such as a situation in which the shared screen viewed at a certain moment was different, resulting in a discrepancy in communication.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and provides a moving picture sharing system capable of synchronizing updating of a moving picture between computers sharing the moving picture. The purpose is to:

[0006]

A moving image sharing system according to the present invention transmits moving image information obtained by a first computer to another computer via a network to share the moving image. In the shared system, when the first computer transmits the moving image information to the other computer, and the other computer receives the transmitted moving image information and the moving image can be updated, the first computer transmits the moving image information to the other computer. Notify the first computer, and when the first computer receives a notification that updating of the moving image has been enabled from all the computers sharing the moving image, the first computer transmits a moving image update instruction to another computer. Things.

A moving image sharing system according to the present invention is a moving image sharing system for sharing moving images by transmitting moving image information obtained by a first computer to another computer via a network. The computer transmits the acquired moving image information to the second computer and stores the acquired moving image information. The second computer transmits the stored moving image information to another computer, and the other computer transmits the transmitted moving image information. And when the moving image can be updated, the second computer is notified of the update, and the second computer can update the moving image from all the computers sharing the moving image. When the notification is received, a moving image update instruction is transmitted to other computers including the first computer.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below. Embodiment 1 FIG. FIG. 1 is a configuration diagram of a moving image sharing system according to Embodiment 1 of the present invention. In FIG. 1, 1 is a computer as a first computer, 2 and 3 are computers as other computers, and 4 is a network.

The computer 1 includes a moving picture information acquisition section 5, a moving picture information storage section 6, a communication processing section 7, a moving picture display section 8, and a management section 9.

The moving picture information acquiring section 5 sends a moving picture taken from a video camera or a digital camera to the moving picture information storing section 6 as digital information. The moving image information storage unit 6
The moving image information sent from the moving image information acquisition unit 5 is stored. The communication processing unit 7 receives the moving image synchronization signals sent from the computers 2 and 3 via the network 4 and sends the information to the management unit 9 and sends the moving image update command to the computers 2 and 3 via the network 4 I do. The moving image display unit 8 displays the moving image information stored in the moving image information storage unit 6 on a display or the like in accordance with a command from the management unit 9. The management unit 9 manages each unit of the computer 1 and instructs the communication processing unit 7 to send a moving image update instruction to the computers 2 and 3 based on information from the communication processing unit 7, Display 8
To update the moving image.

The network 4 is a communication network connecting the computer 1 and the computers 2 and 3, and may be wired or wireless.

The computer 2 includes a moving image information storage unit 10
, A communication processing unit 11, a moving image display unit 12, and a management unit 13.

The moving image information storage unit 10 includes a communication processing unit 11
The moving image information transmitted from the computer 1 through the network 4 received by the computer 1 is stored. Communication processing unit 11
Receives a moving image update command sent from the computer 1 through the network 4 and stores the information in the management unit 1
3 or a moving image synchronization signal to the computer 1 through the network 4. Moving image display unit 12
Displays the moving image information stored in the moving image information storage unit 10 on a display or the like in accordance with a command from the management unit 13. The management unit 13 manages each unit of the computer 2, instructs the communication processing unit 11 to transmit a moving image synchronization signal, and sends the moving image display unit 12 based on information from the communication processing unit 11 to the moving image display unit 12. Or to update the The computer 3 has the same configuration as the computer 2.

For the sake of simplicity, in FIG. 1, the number of computers connected to the computer 1 via the network 4 is two, that is, the computers 2 and 3, but the present invention can be applied to a case where more computers are connected. Is similarly applicable. Also, it is free to share each part with other parts and to add other devices such as an input device such as a keyboard.

Next, the operation will be described. FIG. 2 is a flowchart showing a synchronization process according to the first embodiment. First, the computer 1 transmits information for one frame of a moving image to the computers 2 and 3 (step ST20).
1). When the computers 2 and 3 complete the reception of the information for one frame, respectively, and the moving image can be updated,
A moving picture synchronization signal is sent to the computer 1 to inform the computer 1 that the moving picture can be updated by itself.
Computer 1 receives the moving image synchronization signal from both computer 2 and computer 3 (step ST20).
2) It is determined that the updating of the moving image has become possible on all the computers sharing the moving image, and the computers 2, 3
To update the moving image frame of the computer 1 to the same frame as the moving image frame sent to the computers 2 and 3. Upon receiving the moving image update command from the computer 1, the computers 2 and 3 update the moving image to the latest frame received from the computer 1 (step ST203). However, the order of updating the moving images may be any order. Then, the above processing is repeated (step ST204).

As described above, according to the first embodiment, since the updating of the moving image is performed synchronously between the computers 1, 2, and 3 sharing the moving image, the moving image is shared. All the moving images viewed by the same worker are the same, and an effect is obtained in that the difference in recognition of the moving images between the workers sharing the moving image can be eliminated.

Embodiment 2 FIG. FIG. 3 is a configuration diagram of a moving image sharing system according to Embodiment 2 of the present invention. In FIG. 3, 21 is a computer as a first computer, 22, 23, and 24 are computers as a second computer, and 25 and 26 are networks.

The computer 21 includes a moving image information acquisition unit 2
7, a moving image information storage unit 28, a communication processing unit 29, a moving image display unit 30, and a management unit 31.

The moving picture information acquiring section 27 sends a moving picture taken from a video camera or a digital camera to the moving picture information storing section 28 as digital information. Moving image information storage unit 2
Reference numeral 8 stores the moving image information sent from the moving image information acquisition unit 27. The communication processing unit 29 sends moving image information to the computer 22 through the network 25 and receives a moving image update command from the computer 22. The moving image display unit 30 displays the moving image information stored in the moving image information storage unit 28 on a display or the like in accordance with a command from the management unit 31. The management unit 31 manages each unit of the computer 21 and instructs the moving image display unit 30 to update a moving image based on information from the communication processing unit 29.

The network 25 is a communication network connecting the computer 21 and the computer 22.

The computer 22 includes a moving image information storage unit 3
2, a communication processing unit 33, and a management unit 34.

The moving image information storage unit 32 includes a communication processing unit 33
Computer 2 through the network 25 received by
1 is stored. The communication processing unit 33 receives a moving image synchronization signal from the computers 23 and 24 via the network 26 and sends a moving image update command to the computers 23 and 24. Management unit 3
4 manages each unit of the computer 22 and, based on information from the communication processing unit 33, the computers 23 and 24.
To the communication processing unit 33 to send a moving image update command to

The computer 23 includes a moving image information storage unit 3
5, a communication processing unit 36, a moving image display unit 37, and a management unit 38.

The moving image information storage unit 35 includes a communication processing unit 36
Computer 2 through the network 26
2 is stored. The communication processing unit 36 sends a moving image synchronization signal to the computer 22 via the network 26, receives a moving image update command sent from the computer 22, and sends the information to the management unit 38. The moving image display unit 37 includes a management unit 38
The moving image information stored in the moving image information storage unit 35 is displayed on a display or the like in response to a command from the server. The management unit 38 manages each unit of the computer 23, instructs the communication processing unit 36 to transmit a moving image synchronization signal, and sends a moving image display unit 37 to the moving image display unit 37 based on information from the communication processing unit 36. Or order the image to be updated. The computer 24 has the same configuration as the computer 23.

For the sake of simplicity, in FIG. 3, two computers 23 and 24 are connected to the computer 22 via the network 26. However, the present invention can be applied to a case where more computers are connected. May also be applied, and the computer 22 may have a function of displaying moving images. Further, it is free to share each part with other parts and to add other devices such as an input device such as a keyboard.

Next, the operation will be described. FIG. 4 is a flowchart showing a synchronization process according to the second embodiment. The computer 22 receives moving image information from the computer 21 and stores it. First, the computer 22 sends the moving image 1 to the computers 23 and 24.
The information for the frame is transmitted (step ST401).
When each of the computers 23 and 24 completes the reception of the information for one frame and the updating of the moving image is enabled, the computer 23 and 24 send a moving image synchronization signal to the computer 22 to notify the computer 22 that the updating of the moving image has become possible. Inform When receiving the moving image synchronization signal from both the computer 23 and the computer 24 (step ST402), the computer 22 determines that the updating of the moving image is enabled by all the computers sharing the moving image, and the computers 21 and 23 are determined. , 24 to send a moving image update command. When the computer 21 receives the moving image update command, the computer 22 transmits the frame of the moving image to the computers 23 and 2.
The frame is updated to a frame similar to the frame of the moving image sent to No. 4.
Upon receiving the moving image update command from the computer 22, the computers 23 and 24 update the moving image to the latest frame received from the computer 22 (step ST4).
03). However, the order of updating the moving images may be any order. Then, the above processing is repeated (step 40).
4).

As described above, according to the second embodiment, the updating of the moving image between the computers 21 to 24 sharing the moving image is performed synchronously.
As in the case of the above, all the moving images viewed by the worker sharing the moving image are the same, and the effect of eliminating the shift of the recognition of the moving image between the workers sharing the moving image can be obtained. Can be In addition, a computer 21 for acquiring a moving image
By separating the computer 22 that distributes a moving image to another computer, the load on the computer 21 that acquires the moving image can be reduced.

[0028]

As described above, according to the present invention, the first
Is configured to transmit the updated moving image to another computer when the computer receives a notification that the moving image can be updated from all the computers sharing the moving image. Even in the case where a computer sharing a moving image is included via a computer, there is an effect that a synchronized moving image can be updated between the computers sharing the moving image.

According to the present invention, the first method for acquiring a moving image
And the second computer that distributes the moving image to another computer,
There is an effect that the load on the first computer for acquiring a moving image can be reduced.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a moving image sharing system according to a first embodiment of the present invention.

FIG. 2 is a flowchart illustrating a synchronization operation according to the first embodiment.

FIG. 3 is a configuration diagram of a moving image sharing system according to a second embodiment of the present invention.

FIG. 4 is a flowchart for explaining a synchronization operation according to the second embodiment.

FIG. 5 is a configuration diagram of a conventional moving image sharing system.

[Explanation of symbols]

 1, 2, 3 computers, 4 networks.

Claims (2)

[Claims] 1. A moving image sharing system for sharing moving images by transmitting moving image information obtained by a first computer to another computer via a network, wherein the first computer includes the moving image information Transmitting information to the other computer, the other computer receiving the transmitted moving image information, and when updating of the moving image is enabled, notifying the first computer of the fact; When the first computer receives a notification that updating of a moving image is enabled from all computers sharing the moving image, the first computer transmits a moving image update command to another computer. Sharing system. 2. A moving image sharing system for sharing moving images by transmitting moving image information acquired by a first computer to another computer via a network, wherein the moving image acquired by the first computer is Transmitting and storing the information to a second computer, wherein the second computer transmits the stored moving image information to the other computer, and the other computer receives the transmitted moving image information When the update of the moving image is enabled, the second computer is notified of the update, and the second computer can update the moving image from all the computers sharing the moving image. When receiving the notification, a moving image update command is transmitted to another computer including the first computer. Stem.