| With the development of social processes, green space pest prevention has become an important part of urban construction and development gradually. Now, with the popularization of the computer and the shortages of relevant pests expert consultation system, pests expert consultation system of green space system has gradually becomes a trend of the pests prevention.Pests expert consultation system of green space system is a computer program that allows computer users query information related to pests and how to prevent these pests quickly through easy computer operation. The users only need possess the easy computer operation commonsense, they can achieve the goal of expert consultation in a short time.For this purpose, pests expert consultation system of Shenyang green space system was established. The expert system is developed by making use of both the foreground VB6.0 design system with visual operating interface and the background ACCESS software, and pests data of Shenyang green space had been collected and sorted in advance was stored in ACCESS database that had been established. The foreground's visual operating interface and background's pests database were integrate effectively through software. Users can effectively collect tedious database information by humanized visual operating interface, and image recognition function was added on the base of traditional expert consultation system, recognition process became rapid and effective.Pests expert consultation system of Shenyang green space system includes five modules, that is pests identification, pests retrieval, pests browsing, data management and helping.Pests identification is divided into characteristic recognition and image recognition. Feature recognition is defined that users layer upon layer select pests characters through operating computer interface in order to reach the purpose that the pests are determined finally. Image identification is defined that real pests were analyzed by feature through externally connected visual camera with computer including expert consultation system in order to achieve the purpose of identifying pests through image processing approach. Pest Retrieval includes name retrieval, category retrieval and distribution retrieval. Pests can be queried by successively inputting some keywords, such as name, category and distribution of green space pests.Pests information of entire database can be quickly browsed by the pests browsing modules. Because of diversification of pests of green space and gradual strength of resistance to pests, pests data and prevention information also need to be synchronously updated. Therefore, data management function was added into this system that can manage pests information in database rapidly and effectively. Data management mainly includes pests data input, pests data deletion and pests data modification. According to the three aspects, pests's chinese name, scientific name, generic, geographic distribution, the main hazards and characteristics, morphological characteristics and prevention methods can be modified correspondingly. |
