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Non-Invasive Image Processing Method for Detecting Seed Vigor

With the development of technology, the agricultural industry has become far more efficient and mechanization. In this paper, image processing method was adopted to detect the changes in seeds temperature, aiming at discovering the laws in seed germination. Oak seeds were selected as samples. The method can be divided into two steps----image segmentation, data extraction and analysis. 32400 images for 90 seeds were captured, and the changing curve of seeds temperature was described based on the images we collected. The result showed that the method was available to capture the changes of seeds temperature during its germination. Even, further research aiming at distinguishing seeds vigor by temperature information, is of great value.