The Segmentation of Orchid Leaf Disease Spot Based On Lab Color Space and Otsu

Danni Ci

Abstract: Due to the unreasonable fertilizer or some other combination of unpredictable factors, makes the flowers in the greenhouse to the disease, directly affect the production of our country the output of the flower. In order to avoid this kind of diseases affect other flowers in the greenhouse, need to be recognition and diagnosis, the priority is split and extract the disease spot. We Put forward a method that the Lab space is used to segment the image of the disease leaf of the orchid by adopting the Otsu the blade was divided, complete separation of normal area and disease area of the leaf, finally we restore the color images of disease spot. The test results show that the proposed method can accurately extract leaf disease spot area.

Keywords: Otsu, Lab space, disease spot area