The design principle of smart network camera function realization

With the application of large-scale security systems in various public places, the need for preventing incidents such as terrorist attacks and public security through intelligent video surveillance systems is increasing. At present, smart video surveillance systems based on central processing cannot be applied to large-scale video surveillance applications because of limitations in computing capacity and communication bandwidth. Implementation of distributed intelligent video surveillance systems is the basis for large-scale intelligent video surveillance applications. The embedded smart camera network with scene state awareness capability is an important part of the distributed intelligent video surveillance system. Researching the related issues of the embedded smart camera is the key to implementing distributed intelligent video surveillance. As a result, some people in the industry have also put forward design principles for the implementation of intelligent network camera function. The main points are as follows:

1, modular design. The modular design mentioned here mainly refers to the modularization of intelligent functions. Can be embedded in the network camera's intelligent functions, in addition to its basic functions each camera needs to form a module, other functions can be achieved by a separate module. This is more flexible and convenient. Different modules can be embedded according to the needs of actual monitoring applications. This reduces design and manufacturing costs, and users are willing to accept it. Therefore, modular design can not only bring greater convenience to the design and production of manufacturers, but also more suitable for practical application needs.

2. The reliability design is necessary for any product, that is, the product structure designed by the system is required to be reasonable, the product is durable, and the system is stable and reliable. To this end, the product must be well-designed EMC, in addition to the ability to withstand various types of electromagnetic energy EMS interference, in order to adapt to a variety of harsh environments without failure, but also requires its own electromagnetic interference EMI performance standards, does not produce more than standard The required electromagnetic energy.

3, practical design. The so-called practical design, that is, the system is more practical, the operation is simple and convenient, the links are few, easy to learn, etc., can automatically and conveniently set the function, can be linked with anti-theft, fire prevention, access control and other systems, a high degree of automation, so that the system can be in actual In case of infringement, timely pre-alarm. In addition, a self-check function is also required, and self-check results are regularly reported to the management center for monitoring by the management center so that the fault can be immediately maintained.

4, economic design. When considering system economics, in addition to considering the reduction of system R&D costs and production costs, the use cost of the system must also be taken into account, including the maintenance costs and spare parts costs during use. In order to obtain a higher price/performance ratio, designers should not blindly pursue complex solutions. Under the premise of satisfying the performance index, the simplified design of the scheme is adopted as far as possible, which means that the structure is simple, the reliability is high, and the cost is low.