Abstract
Today’s palm trees diseases which cause a huge loss in production are extremely hard to detect either because these diseases are hidden inside the texture of the palm itself and cannot be seen by naked eyes or because it appears on its leaves which are hardly examined due to how far they really are from the ground. In this paper we’re interested in detecting three of the most common diseases threatening palms today, Leaf Spots, Blight Spots and Red Palm Weevil. Diagnosis of these diseases are done by capturing normal and thermal images of palm trees then, image processing techniques were applied to the acquired images. Two classifiers were used, CNN to differentiate between Leaf Spots and Blight Spots diseases and SVM for Red Palm Weevil pest. The results for CNN and SVM algorithms showed a success rate of accuracy ratio 97.9% and 92.8% respectively, these results are considered to be the best results in this domain as far as we know. The paper also includes the first gathered thermal images dataset for palms infected with Red Palm Weevil and healthy palms as well.
Highlights
There are more than 2,500 palm tree species which can produce over 1000 products [1]
We provide an android mobile application with a Real-time detection of the www.ijacsa.thesai.org (IJACSA) International Journal of Advanced Computer Science and Applications, Vol 11, No 7, 2020 common diseases mentioned before by mobile cameras and Red Palm Weevil by acquiring thermal images of palm trees using thermal camera connected to smartphones
The second model successfully achieved an accuracy of 97.9% and a prediction hit ratio of 9 to on just about 10.5k images (80% training and 20% testing) solving the overfitting problem for blight spot disease and improving leaf spots detection results significantly Fig. and Table IV
Summary
There are more than 2,500 palm tree species which can produce over 1000 products [1]. This is why they’re considered to be one of the most important trees all over the world. Palm trees play a crucial role in the agricultural economy of most of the country’s int the Middle East as they are the top largest date producers in the world [2]. The quality and quantity of the palm trees are always at risk due to different types of diseases. Palm trees can be infected by two popular diseases such as Leaf Spots and Leaf Blights, these diseases vary in shape and size and are widely spread in palm trees farms leading to the essential need of investigating them [3]
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