Abstract
Digital Image Processing (DIP) applications in agriculture sector is becoming popular because of its fast, cost-effective and accurate solutions related to diseases and marketing. The hands-on solutions are being provided through various applications. Leaf Sopot disease has become the major constraint in the turmeric cultivation in India. Colletotrichum capsici is a fungal disease commonly known as leaf Spot. The brown spots of 4-5 cm length and 2-3 cm width with a grey centre are found on either surface of the leaves. If not treated timely, it causes the heavy loss in terms of quality and quantity. This paper proposes the methodology using Image Processing for measuring the severity of this disease in plant pathology. The image acquisition of infected leaves is done in the first stage then the images are pre-processed. Histogram is used for colour feature extraction The Edge detection methodology is used for infected area measurement and the results are fed to disease classifier to identify the stage of disease. This helps the plant pathologist in preparing consultative module to eradicate the disease completely.
Highlights
Agriculture is the major source of human civilization
The system follows the strategy of image acquisition, Image enhancement, Pre-processing, segmentation, Plotting of Histogram and disease diagnosing by reference values
The image is segmented into regions by using K-Means clustering method where the Area of Interest (AoI) can be extracted
Summary
Agriculture is the major source of human civilization. Agricultural zone is the only area that serves the food desire of human race. Turmeric is an important medicinal as well as commercial crop grown in India. Turmeric is a rhizome or underground stem and the diseases are observed mainly on leaves. The Turmeric plant is prone to many bacterial, viral, soil-borne, air borne and fungal diseases. The major diseases affecting the Turmeric plants are Rhizome Rot Disease, Leaf Spot Disease, Leaf Blotch Disease, Dry Rot Disease and Bacterial wilt Disease. Turmeric plant is infected with many nutritional deficiency diseases like potassium, nitrogen and magnesium. Leaf spot is an important disease affecting the turmeric plant that degrades the quality of turmeric. In this research paper the severity of Leaf spot in turmeric is measured using the Digital Image Processing (DIP) Techniques
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