CN109729305B - Method for realizing multi-camera pattern recognition - Google Patents
Method for realizing multi-camera pattern recognition Download PDFInfo
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- CN109729305B CN109729305B CN201910008089.9A CN201910008089A CN109729305B CN 109729305 B CN109729305 B CN 109729305B CN 201910008089 A CN201910008089 A CN 201910008089A CN 109729305 B CN109729305 B CN 109729305B
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Abstract
The invention relates to a method for realizing multi-camera mode identification, which comprises the steps of modifying a network card drive of a video conference phone, adding a master-slave mode identification module into the network card drive, after the video conference phone loads the network card drive, staying for a set time for detecting whether a specific identification packet is received, converting the video conference phone into a host mode if the identification packet is not received, then starting a thread, and sending a specific ad hoc identification packet to a local area network at intervals of threshold time; and if the identification packet is received, converting the video conference phone into a slave mode. The invention can make the video conference telephone not only be used as a host computer, but also be used as a slave computer in a multi-camera scene through a simple broadcast sending and receiving mode. The client can repeatedly utilize the telephone of the video conference system, and the product utilization rate is greatly improved.
Description
Technical Field
The invention relates to a video conference system, in particular to a method for realizing multi-camera mode identification.
Background
With the development of various office environments, the video conference system has a wide application range, can be applied to various aspects such as network video conferences, cooperative office, online training, telemedicine, remote education and the like, and can be widely applied to various fields such as governments, armies, enterprises, IT, telecommunications, electric power, education, medical treatment, securities, finance, manufacturing and the like. The conference system is comprehensively applied to various conferences, including daily conferences, high-rise conferences, large-scale conferences, cross-country conferences, mobile conferences and the like, and can replace more than 90% of on-site conferences of enterprises.
For a large conference or a large activity site, one video conference phone is often not enough to cover the whole site, and a plurality of video conference phones need to be installed in a plurality of corners of the large conference site. However, multiple video conference phones cannot perform the same management configuration, and each video conference phone needs to be managed separately, so that the management cost is high and the use is inconvenient.
In view of the above situation, a video conference system is currently developed in the market, and the video conference system includes a plurality of sets of video conference phones, wherein one video conference phone is used as a master and the other video conference phones are used as slaves. Each video conference phone in the video conference system is only used in the video conference system and cannot be used independently. This results in low utilization of each video conference phone in the video conference system, increasing the use cost of the user.
Disclosure of Invention
The invention aims to provide a method for realizing multi-camera mode identification, which enables a video conference telephone to be used as a master machine or a slave machine of a video conference telephone system, and can also be used independently, thereby improving the utilization rate of the video conference telephone.
In order to achieve the purpose, the invention adopts the technical scheme that: a method for realizing multi-camera mode identification is characterized in that a network card drive of a video conference phone is modified, and a master-slave mode identification module is added into the network card drive and is used for sending and receiving an identification packet; after the video conference phone is loaded with the network card drive, staying for a set time for detecting whether a specific identification packet is received, if the identification packet is not received, setting an environment variable of the video conference phone as a host, converting the video conference phone into a host mode, then starting a thread, and sending a specific identification packet to a local area network at intervals of a threshold time; and if the identification packet is received, setting the environment variable of the video conference phone as a slave, and converting the video conference phone into a slave mode.
When the video conference phone is used for a video conference system, a plurality of video conference phones are accessed to the same switch, wherein one video conference phone is used as a host, one network port of the video conference phone is connected with an external network and is communicated with the external network, and the other network port is connected with a network access port of the switch; the other video conference telephones are used as slave machines and are connected with the network outlet of the exchanger, so that an internal local area network environment is formed; electrifying a video conference system, starting the system and loading a network card drive by a video conference telephone as a host, switching to a host mode after the network card drive is loaded and an identification packet cannot be received within a set time, wherein an environment variable of the host is marked as the host, and sending the identification packet to a local area network, wherein the identification packet carries information of the host;
a video conference phone as a slave computer performs system startup loading network card drive, receives an identification packet sent by a host computer after the network card drive is loaded, sets an environment variable of the identification packet as the slave computer, and switches to a slave computer mode;
the application layer of each video conference phone judges whether the phone is in a slave machine mode or a host machine mode according to the environment variable, and then different application programs are started or different application processes are carried out.
When a video conference system is powered on, if a video conference telephone as a slave machine is loaded with a network card drive and the retention time exceeds the set time, an identification packet sent by a host machine is not received, an environment variable of the host machine is marked as the host machine, and the host machine mode is switched; and when the video conference phone serving as the host starts to send the identification packet after the network card drive is loaded, and at the moment, if the video conference phone serving as the slave receives the identification packet and judges that the video conference phone is in the host mode, the video conference phone is automatically restarted to enter a correct slave mode.
After the scheme is adopted, the video conference telephone can be used as a master machine in a simple mode of sending and receiving the identification packet, and can also be used as a slave machine mode in a scene of meeting multiple cameras. The client can repeatedly utilize the telephone of the video conference system, and the product utilization rate of the client is greatly improved.
Drawings
Fig. 1 is a hardware connection diagram of a video conference phone system of the present invention;
fig. 2 is a flow chart of the identification of the video conference phone according to the present invention.
Detailed Description
The invention discloses a method for realizing multi-camera pattern recognition, which comprises the following specific steps: modifying a network card drive of the video conference phone, and adding a master-slave mode identification module in the network card drive, wherein the master-slave mode identification module can send and receive an identification packet; after the video conference phone is loaded with the network card drive, staying for 1.5 seconds for detecting whether a specific identification packet is received, if the identification packet is not received, setting the environment variable of the video conference phone as a host, converting the video conference phone into a host mode, then starting a thread, and sending a specific identification packet to a local area network every 200 ms; and if the identification packet is received, setting the environment variable of the video conference phone as a slave, and converting the video conference phone into a slave mode.
As shown in fig. 1 and fig. 2, when the video conference phone is used in a video conference system, a plurality of video conference phones are connected to the same switch, one of the video conference phones serves as a host, one of the network ports of the video conference phone is connected to an external network and communicates with the external network, and the other network port is connected to a network port of the switch; and the other video conference telephones are taken as slave machines which are connected with the network outlet of the exchanger, thereby forming an internal local area network environment.
When a video conference system is powered on, a video conference telephone as a host computer is used for starting the system and loading a network card drive, an identification packet cannot be received 1.5s after the network card drive is loaded, an environment variable of the host computer is marked, the host computer mode is switched, an identification packet is sent to a local area network at intervals, and the identification packet carries information of the host computer, such as the equipment number, the software version and the like of the host computer. And the video conference phone as the slave machine starts a system to load the network card drive, receives the identification packet sent by the host machine after the network card drive is loaded, sets the environment variable as the slave machine, and switches to the slave machine mode. The application layer of each video conference phone judges whether the phone is in a slave machine mode or a host machine mode according to the environment variable, and then different application programs are started or different application processes are carried out.
When a video conference system is powered on, if the video conference phone as a slave computer is started faster than the video conference phone as a host computer, the video conference phone as the slave computer is loaded with a network card drive, the time exceeds 1.5s, but the video conference phone as the host computer is not loaded with the network card drive, and an identification packet is not sent; at this time, the video conference phone as the slave cannot receive the identification packet sent by the host, the environment variable is marked as the host, and the mode is switched to the host mode.
And when the video conference phone serving as the host starts to send the identification packet after the network card drive is loaded, if the video conference phone serving as the slave receives the identification packet and judges that the video conference phone is in the host mode, the video conference phone is automatically restarted so as to enable the video conference phone to enter a correct slave mode.
If other devices also need to have a master-slave mode, the identification can be carried out in the mode.
After the video conference phone is loaded with the network card drive, the staying time of 1.5s is a set value, and the time can be set to other time besides 1.5 s. Similarly, the time interval when the video conference phone as the master transmits the identification packet may be set to other times.
The invention enables the video conference telephone to be used as a master machine through a simple mode of sending and receiving the identification packet, and can also be used as a slave machine mode under the condition of meeting the requirement of a multi-camera scene. The client can repeatedly utilize the telephone of the video conference system, and the product utilization rate of the client is greatly improved.
The above description is only exemplary of the present invention and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above exemplary embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (2)
1. A method for realizing multi-camera pattern recognition is characterized by comprising the following steps:
by modifying a network card drive of a video conference phone, a master-slave mode identification module is added into the network card drive, and the master-slave mode identification module is used for sending and receiving identification packets; after the video conference phone is loaded with the network card drive, staying for a set time for detecting whether a specific identification packet is received, if the identification packet is not received, setting an environment variable of the video conference phone as a host, converting the video conference phone into a host mode, then starting a thread, and sending a specific identification packet to a local area network at intervals of a threshold time; if the identification packet is received, setting the environment variable of the video conference phone as a slave machine, and converting the video conference phone into a slave machine mode;
when the video conference phone is used for a video conference system, a plurality of video conference phones are connected to the same switch, wherein one video conference phone is used as a host, and other video conference phones are used as slaves;
electrifying a video conference system, starting the system by using a video conference telephone as a host, loading a network card drive, and receiving no identification packet within a set time after the network card drive is loaded;
the video conference phone environment variable as the host is marked as the host, switched to a host mode and sent to the local area network to form an identification packet, and the identification packet carries the information of the host;
a video conference phone as a slave computer performs system startup loading network card drive, receives an identification packet sent by a host computer after the network card drive is loaded, sets an environment variable of the identification packet as the slave computer, and switches to a slave computer mode;
when a video conference system is powered on, if a video conference telephone as a slave machine is loaded with a network card drive and the retention time exceeds the set time, an identification packet sent by a host machine is not received, an environment variable of the host machine is marked as the host machine, and the host machine mode is switched;
and when the video conference phone serving as the host starts to send the identification packet after the network card drive is loaded, and at the moment, if the video conference phone serving as the slave receives the identification packet and judges that the video conference phone is in the host mode, the video conference phone is automatically restarted to enter a correct slave mode.
2. The method of claim 1, wherein the method comprises: one network port of the host is connected with an external network and is communicated with the external network, and the other network port is connected with the network inlet of the switch; the slave is connected with the network outlet of the switch, thereby forming an internal local area network environment;
the application layer of each video conference phone judges whether the phone is in a slave machine mode or a host machine mode according to the environment variable, and then different application programs are started or different application processes are carried out.
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| CN102523118A (en) * | 2011-12-20 | 2012-06-27 | 西安艾贝尔科技发展有限公司 | Redundancy control system consisting of multiple control computers in local area network and method for redundancy control system |
| CN106814603A (en) * | 2016-12-23 | 2017-06-09 | 北京航天测控技术有限公司 | A kind of dual redundant fault-tolerant system based on non-real time operating system |
| WO2018100253A1 (en) * | 2016-12-01 | 2018-06-07 | Bodysens | Method, wireless terminal and system in tdma technology allowing a full-duplex voice communication interleaved with an exchange of data in master/slave mode |
| CN108718398A (en) * | 2018-05-25 | 2018-10-30 | 苏州科达科技股份有限公司 | Code stream transmission method, device and the conference facility of video conferencing system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7702284B2 (en) * | 2003-09-12 | 2010-04-20 | Arto Palin | Method and system for processing acknowledgments in a wireless communications network |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523118A (en) * | 2011-12-20 | 2012-06-27 | 西安艾贝尔科技发展有限公司 | Redundancy control system consisting of multiple control computers in local area network and method for redundancy control system |
| WO2018100253A1 (en) * | 2016-12-01 | 2018-06-07 | Bodysens | Method, wireless terminal and system in tdma technology allowing a full-duplex voice communication interleaved with an exchange of data in master/slave mode |
| CN106814603A (en) * | 2016-12-23 | 2017-06-09 | 北京航天测控技术有限公司 | A kind of dual redundant fault-tolerant system based on non-real time operating system |
| CN108718398A (en) * | 2018-05-25 | 2018-10-30 | 苏州科达科技股份有限公司 | Code stream transmission method, device and the conference facility of video conferencing system |
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Effective date of registration: 20230525 Address after: Room 208-7, Hengye Building, No. 100 Xiangxing Road, Xiang'an Industrial Zone, Torch High tech Zone, Xiamen City, Fujian Province, 361100 Patentee after: Xiamen Yilian Communication Technology Co.,Ltd. Address before: 361009 unit 402-502, No.63, erwanghailu, software park, Xiamen City, Fujian Province Patentee before: YEALINK (XIAMEN) NETWORK TECHNOLOGY Co.,Ltd. |
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