Garden pest evaluation system based on image processing

The invention relates to the field of plant disease and insect pest prevention and control, in particular to a garden disease and insect pest evaluation system based on image processing, which comprises an image acquisition module for acquiring images of plants in a garden area, and a database module for storing leaf information of the plants in the garden area, the detection module is used for detecting the information of the image of the plant acquired by the image acquisition module, and judging that the single leaf is a tender leaf or judging that the leaf has plant diseases and insect pests when determining that the single leaf does not conform to a preset standard according to the fitting contour proportion measured by the detection module. And the central control module is used for judging whether the leaf has the insect pest standard or not according to the existence of the concave edge contour, so that the problems that plants in a garden cannot be detected, the insect pest degree in the garden canno