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The primary focus of this work is to detect disease and estimate its stage for a cotton plant using images.
The primary focus of this work is to detect disease and estimate its stage for a cotton plant using images. Most disease symptoms are reflected on the cotton leaf. Unlike earlier approaches, the novelty of the proposal lies in processing images captured under uncontrolled conditions in the field using normal or a mobile phone camera by an untrained person. Such field images have a cluttered background making leaf segmentation very challenging. Using local statistical features first classifier segments leaf from the background. Then using hue and luminance from HSV colour space as features another classifier is trained to detect disease and find its stage. The developed algorithm is a generalized as it can be applied for any disease. However as a showcase, in this paper we detectGrey Mildew; a commonly occurring bacterial disease in NorthGujarat, India.