On the Online Supervision System of Campus Monitoring

Cheating in the examination room is a phenomenon that has occurred since the examination was launched. As early as the scientific examination era in feudal society, there were incidents of fraud in the examination room. In the modern society, the types of examinations have increased a lot. The tests that people face in life are almost innumerable. From the beginning of school, they have to face the exams. In the society, they also have to take various exams, such as the middle school entrance examination and the college entrance examination when they are in school ; Various grade examinations in college; judicial examinations for entering the society, civil service examinations, certificate examinations, etc. What I said above are only large-scale examinations in life, and some small examinations are too many to calculate. As long as there is an examination room, there will be a certain degree of examination room fraud. It is a long-term effort to completely eliminate the examination room fraud. Now we can only use some means to minimize the examination room fraud. This requires us to take some advanced measures. To reduce fraud in the exam room. Therefore, the use of a monitoring system to monitor the examination room came into being, and the online monitoring system ensured the fairness and justice of the examination, and ensured the safety of the examination to the greatest extent.

Composition of online proctoring system

The online supervision system consists of four parts: front-end system, transmission system, back-end management system and display control system.

The front-end system is composed of 2 cameras in each examination room. The cameras are installed before and after the classroom. The cameras installed in front can monitor the positive information of all candidates and the supervisors in front of and behind the classroom. Encoding, and then transmitted to the back-end management equipment through the network. The rear camera should have a high-power zoom function, so that you can take close-up shots in the examination room, so that small changes can be displayed in the picture.

Various information of the online proctoring system is transmitted via IP Ethernet. The online proctoring system has particularity and importance. Therefore, the online proctoring system is individually networked and operates in a dedicated network mode.

The back-end equipment is mainly composed of routers, video switching gateways, monitoring and management platforms, storage servers, and proctoring clients. The router is responsible for establishing a connection with the higher-level monitoring center; the video switching gateway is responsible for receiving the unicast media stream sent by the front-end network equipment, and then forwarding it to the monitoring client in unicast or multicast mode for decoding and playback; the monitoring management platform is responsible for The users and devices of the online proctoring system are managed, providing user rights management functions, providing users with unified access to intersections, and real-time image viewing, video viewing and other functions.

The display control system is first equipped with a decoder in the school monitoring center to decode the network digital video transmitted from the front end, and then divided by the picture splitter, and displayed on the TV wall in the form of multiple pictures, with a large screen in the middle On the screen, you can display the monitoring screen of each test room in a single-screen round-robin manner, or you can arbitrarily display the monitoring screen of one test room on the large screen.

Through the use of the online proctoring system, cheating in the exam is greatly reduced, the exam becomes more fair and equitable, the interests of those candidates who are in the normal exam are maintained, and at the same time those who are lucky are completely eliminated from cheating The idea has greatly improved the examination environment. Of course, in order to completely eliminate exam fraud, it also requires continuous progress in technology, looking forward to that day.

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