Mode-recognition-based design method for biological abnormal water quality evaluation system

Abstract

The invention discloses a mode-recognition-based design method for a biological abnormal water quality evaluation system. The basic idea is that: aiming at the characteristics of multiple factors, high dimension, nonlinearity and the like showed in water quality evaluation, and the problem of a complicated relationship between an evaluation factor and water quality, with a common biological indicator fish in biological abnormal water quality evaluation as a research object, a rapid abnormal water quality evaluation system is provided by adopting a computer image processing technique. The method comprises the following steps: firstly, collecting a fish movement video image capable of reflecting the water quality condition on the basis of computer vision; obtaining water quality evaluation indexes, namely fish behavior characteristic parameters by adopting an image processing technique; simultaneously building a semantic mapping model capable of reflecting the water quality condition and the fish behavior characteristic parameters on the basis of mode recognition; and finally investigating the feasibility of the model. The effects caused by environment illumination change and noise change can be overcome when the fish movement information is extracted; a water quality abnormality evaluation model is constructed by adopting a support vector machine (SVM); and the robustness of the model is updated and improved in real time.

Description

technical field [0001] The present invention relates to the field of computer vision and pattern recognition, especially a biological water quality system that successfully overcomes the shortcomings of traditional water quality evaluation such as multi-factor, high-dimensional, non-linear and the complex relationship between evaluation factors and water quality. evaluation method. technical background [0002] Water is the source of life, an important natural resource for our survival, and an important material basis for today's social and economic development. However, with the rapid development of urbanization and industrialization, countries all over the world are basically facing the challenges of water shortage and serious pollution. Therefore, water quality evaluation plays an important role in water resources management, protection and planning, but how to evaluate water quality accurately, objectively and scientifically is still a difficult problem. At present, mo...

Images