Banana Plant Disease Classification PDF

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2022

K. Lakshmi Narayanan

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banana disease convolutional neural network plant disease classification agriculture

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This research paper, published in 2022, presents a hybrid convolutional neural network (CNN) approach for classifying diseases in banana plants. The study focuses on detecting and classifying various diseases that affect banana crops, aiming for early detection to help farmers manage and prevent significant crop losses. Keywords: CNN, banana disease classification, plant, agriculture.

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Hindawi Computational Intelligence and Neuroscience Volume 2022, Article ID 9153699, 13 pages https://doi.org/10.1155/2022/9153699 Research Article Banana Plant Disease Classification Using Hybrid Convolutional Neural Network K. Lakshmi Narayanan ,1 R. Santhana Krishnan ,2 Y. Harold Robi...

Hindawi Computational Intelligence and Neuroscience Volume 2022, Article ID 9153699, 13 pages https://doi.org/10.1155/2022/9153699 Research Article Banana Plant Disease Classification Using Hybrid Convolutional Neural Network K. Lakshmi Narayanan ,1 R. Santhana Krishnan ,2 Y. Harold Robinson ,3 E. Golden Julie ,4 S. Vimal ,5 V. Saravanan ,6 and M. Kaliappan5 1 Department of Electronics and Communication Engineering, Francis Xavier Engineering College, Tirunelveli, India 2 Department of Electronics and Communication Engineering, SCAD College of Engineering and Technology, Tirunelveli, India 3 School of Information Technology and Engineering, Vellore Institute of Technology, Vellore, India 4 Department of Computer Science and Engineering, Anna University Regional Campus, Tirunelveli, India 5 Department of ArtiïŹcial Intelligence and Data Science, Ramco Institute of Technology, Rajapalayam, India 6 Department of Computer Science, College of Engineering and Technology, Dambi Dollo University, Dembidolo, Ethiopia Correspondence should be addressed to V. Saravanan; [email protected] Received 27 November 2021; Revised 20 January 2022; Accepted 30 January 2022; Published 23 February 2022 Academic Editor: Alexander Hošovský Copyright © 2022 K. Lakshmi Narayanan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Banana cultivation is one of the main agricultural elements in India, while the common problem of cultivation is that the crop has been inïŹ‚uenced by several diseases, while the pest indications have been needed for discovering the infections initially for avoiding the ïŹnancial loss to the farmers. This problem will aïŹ€ect the entire banana productivity and directly aïŹ€ects the economy of the country. A hybrid convolution neural network (CNN) enabled banana disease detection, and the classiïŹcation is proposed to overcome these issues guide the farmers through enabling fertilizers that have to be utilized for avoiding the disease in the initial stages, and the proposed technique shows 99% of accuracy that is compared with the related deep learning techniques. 1. Introduction 20% of the global banana production. The United States is the leading importer of bananas of about 18% of the global Agriculture is the crucial resource of food for mankind, and imports. The impact of the banana tree getting infected due it is one of the important factors that decide the economy of to disease and due to other climatic changes will cause even a country. Agriculture is considered the main source of 100% loss in the overall countries’ banana production and income for most developing countries. One of the important export. Generally, bananas are aïŹ€ected by four major that parts of the global agro-business is the banana cultivation or are black Sigatoka, fusarium wilt colloquially called Panama banana industry because bananas are rich in minerals such wilt, Xanthomonas wilt, and bunchy top virus. The details of as calcium, manganese, potassium, magnesium, and iron. As the various commonly found diseases along with the disease this particular crop is having these many vitamins, they are symptoms, appearance, and eïŹ€ects of the disease when it is consumed by people all over the world as banana is con- present as an infection in the banana leaf is described below. sidered an instant energy booster. As per the statistics from Wikipedia, about 15% of the global banana productions are exported to western countries for consumption. As per the 1.1. Banana Leaf Disease. The banana crops are all aïŹ€ected production and export statistics of bananas, about 25.7% of by various diseases. The symptoms are visible in leaf, stem, the global banana production is from India, and other major ïŹ‚ower, fruit, roots, and suckers. The major diseases that producers of bananas are the Philippines, Ecuador, Indo- aïŹ€ect the leaf are Xanthomonas wilt, fusarium wilt, black nesia, and Brazil giving a combined contribution of about and yellow Sigatoka. 2 Computational Intelligence and Neuroscience 1.1.1. Xanthomonas Wilt. Banana Xanthomonas wilt become darker and turn into depression, which is dem- (BXW) is a bacterial infection caused by Xanthomonas onstrated in Figure 4. campestris. Among the numerous diseases infecting banana, This may decrease the yield by 30 to 50% depending the damage caused by BXW has been huge. The production upon the severity of the disease infection. The common of bananas is decreased by 30–52% due to BXW. The in- remedies for this disease are by spraying 3 times with fected plant appears in pale yellow-orange color and in the carbendazim or propicanozole or mancozeb and tempol in later stage it becomes dark brown color. At last, it leads to proper proportion at 10–15 days period, as the disease starts death, and this may cause 100% yield loss if it is not managed from the original look of leaf specks. Therefore, the detection well. The remedy for clearing this disease is by ïŹeld of the pest and disease at an earlier stage is very important. sanitation and removal of aïŹ€ected plant parts or by spraying The traditional methods used for the identiïŹcation of pests streptocycline 200 ppm after the ïŹrst visual symptom for and diseases are limited by the lack of human knowledge every 10 days. Further by spraying 0.3% copper oxychloride, based on agriculture , so deep learning-based hybrid it checks the further spread and is demonstrated in Figure 1. CNN and FSVM are developed for detecting and classifying the above mentioned common disease found in the banana leaf. This helps in detecting the disease and classiïŹes its type 1.1.2. Fusarium Wilt. It is usually identiïŹed as Panama in its early stage. Through this banana, production can be infection, which is a deadly fungal infection originated from eïŹ€ectively managed. the soil-borne fungus Fusarium oxysporum. This disease can The rest of the paper is ordered in such a way that related cause 100% yield loss if it is not identiïŹed and managed in works in the ïŹeld of plant disease detection that is carried out the early stage. The fungus penetrates the plant into the in Section 2, materials and methods with the proposed root and settles the xylem vessels, thus jamming the water method of detecting the banana leaf detection is proposed in ïŹ‚ow. It appears like a pale yellow color in the early stage and Section 3, and Section 4 discusses the results and discussion in the later stage, it looks dark in color. It is irregular in with a comparison of the proposed system with the existing shape, pale margin on new leaves, leaf blades are distorted. system, and ïŹnally conclusion and future discussion in Fusarium wilt is a disease that the fungus assaults the Section 5. vascular tissue within the root discoloration. The fruit does The main objectives of the proposed model are not show any symptoms. The ïŹrst sign of the disease is wilting and produces the yellow color of the older leaf at the (1) The main objective of this work is to apply deep margin. The tear of the base is the main eïŹ€ect that the learning methodology for the detection of evident infected sucker does not show any symptoms until 4 months. banana disease in the banana plant Suggested remedies for this disease infection are applying (2) To classify the type of disease with high accuracy 2.5 kg/ha Pseudomonas ïŹ‚uorescent in the farmyard along (3) By creating a database of insecticides for respective with regular manure and it is illustrated in Figure 2. pests and diseases, it will provide a remedy for the disease that is detected 1.1.3. Bunchy Top Virus. It is a plant pathogenic virus an- (4) As CNN and SVM are the best classiïŹers available cestor nanoviridae known for contaminating banana plants. with a hybrid model of combining both the algo- It is a viral infection caused by a single-stranded DNA virus rithms to produce accelerating performance known as the banana bunchy top virus. This disease is af- fected in a tropical region and transmitted from plant to 2. Related Works plant. Symptoms for this infection commonly occur in old plants in which the latest leaves are narrow yellow than The Banana leaf disease detection and classiïŹcation is an normal , and the banana bunchy top virus is illustrated in issue for a very long time many kinds of research were done Figure 3. The common remedies for this disease are by on this ïŹeld which gave truthful results details of a few such injecting 4 ml of fernoxone solution along with 400 ml of ïŹndings were given below. water or by injecting 4 ml of monocrotophos on a 1 : 4 ratio An artiïŹcial intelligence-based banana disease and pest at 45 days interval till ïŹ‚owering from the 3rd month. And detection was proposed in , here the algorithm used is also by spraying either 1 ml of phosphamidon or 2 ml of deep convolutional neural network for disease detection, methyldemeton or 1 ml of monocrotophos along with water here the author has collected data sets for about 8 diïŹ€erent can avoid the disease spread. diseases in banana, a sum of 30,000 images were used as a data set, and the proposed system produces a result of 90% accuracy. Machine learning algorithms were developed for 1.1.4. Black Sigatoka. It is called a black leaf streak caused by detecting and classiïŹcation of plant diseases , reviews mycosphaerella Fijians is that the Sigatoka infection mul- various machine learning and deep learning algorithms for tifaceted is a bunch of intimately correlated fungi. Leaves detection and classiïŹcation of plant diseases, and this also with huge infectious lesions will begin to collapse, and it identiïŹes some research gaps for detecting the disease in the interrupts performing photosynthesis, which leads to the plants even before the symptoms are visualized. death of plants. In the early stage of infection, the lesions A deep leaning-based banana leaf disease classiïŹcation is have a rusty brown look. After further development, they proposed , here they have used LeNet architecture as a Computational Intelligence and Neuroscience 3 Figure 1: Banana Xanthomonas wilt. Figure 2: Banana fusarium wilt. Figure 3: Banana bunchy top virus. 4 Computational Intelligence and Neuroscience technique based on tomato disease identiïŹcation have been implemented with two diïŹ€erent techniques as Faster R–CNN, which is used for identifying the type of tomato disease and Mask R-CNN, Which is used to ïŹnd and seg- ment the location and shape of the infected areas, and the results show that the proposed method gives an accuracy of 90% in detecting the disease and 99% in identifying the shape of the infection. Automatic detection and classiïŹcation of diseases in rice crop are proposed in , and here they use an artiïŹcial neural network-based technique to identify the disease, they have done research on many diseases that aïŹ€ects the rice crop and measured the accuracy of classiïŹer for each type of disease, and ïŹnally they have compared the ANN technique with other leading classiïŹers for detecting the same diseases and their accuracy were measured and concluded that ANN Figure 4: Banana with black Sigatoka. gives a satisfactory result when compared with the other classiïŹcation algorithms. A novel rice blast recognition convolutional neural network for classifying the data. The technique related to CNN is proposed in. This method results of this research demonstrate its eïŹ€ectiveness in was tested with various combinations such as CNN only, various conditions of the images such as complex back- CNN with SVM, LBPH with SVM, and Haar-WT with SVM ground, diïŹ€erent size, and orientation. This method gets and their accuracy is compared, and it shows that the CNN stabilized in 25 iterations and achieves a good accuracy at the with SVM gives an accelerating accuracy of about 96% AUC ïŹnal iteration. A machine learning-based approach for curve that shows 0.99. The drawbacks of the existing works are detection of banana disease detection in the early stage using The main drawback of the existing system is that most the SVM classiïŹer is proposed. Here the images used are of the works follow image processing techniques that close-range hyperspectral remote sensing images. The results involve complex image segmentation steps, which is a of the classiïŹers are evaluated by overall accuracy, and very time-consuming process average accuracy here is the accuracy using spectral and morphological information, which is about 96% in early Many diseases will not show their symptoms by having detection, 90% in mid detection, and 92% in late detection. a clear edge, and they may merge with the healthy parts An image processing-based banana leaf disease detection of the leaf, which cannot be detected using the existing is proposed in , here the images are ïŹrst acquired and the techniques and requires a powerful classiïŹcation RGB model is converted into an HSI color model and then algorithm preprocessed, then the image is segmented using the Certain techniques that are available will be suitable for thresholding method, and the histogram equalization is a particular type of crop or limited to certain crops only found for HSI image. Then the classiïŹcation is compared Methods such as ANN, KNN, PCA, and other image with three diïŹ€erent classiïŹers such as they are back- processing techniques are lagging in accuracy and propagation neural networks, SVM and principle compo- mostly consume more time to classify the disease nent analysis (PCA). An artiïŹcial neural network-based In most cases, the infections in the banana plant will banana leaf disease detection and classiïŹcation of the disease occur in various parts of the plant, but most of the is proposed in , here the image is acquired and pre- research concentrates only on the leaf processed initially and then the color and HOT (Histogram of Template) feature are extracted, then the data set is trained using the artiïŹcial neural network, and then the grading is 3. Materials and Methods done on for the query images based on the total percentage of the aïŹ€ected area. And ïŹnally, the image is classiïŹed by its 3.1. Dataset Collection. The dataset for this proposed re- disease type. search consists of around 3500 images of banana plants, both Not only for banana leaf but also more research is going infected and healthy parts of banana plants were collected on for detecting and classifying the disease in most con- from various ïŹelds located in south India, especially the sumable crops like paddy, maize, apple, cheery, and other southern part of Tamil Nadu from the districts of Madurai, common plants. Some of those ïŹndings are given below. Dindigul, Virudhunagar, Tirunelveli, Tuticorin, Nagercoil, ClassiïŹcation of apple plant and cherry plant diseases using Kanyakumari, and minor parts of Tamil Nadu Kerala improved convolutional neural networks is proposed in. border. The data sets were collected in a balanced number of The improvement in the CNN is based on merging a images for 4 basic diseases that can inïŹ‚uence the produc- framework of inception functionality squeeze, excitation tivity of banana production. The images were collected in functionality, and a global pooling layer. The results of this various resolutions captured using mobile phones with good method show an accuracy of about 91.7% on the test data set. resolutions, captured using VGA cameras in mobile, Digital A deep convolutional neural networks and object detection cameras, and DSLR cameras. Computational Intelligence and Neuroscience 5 3.2. Image Preprocessing. Image preprocessing on the where E(ÎŽ) is the highest estimation parameter, and the collected image is performed to enhance the image quality vector values are computed using for performing the further steps. This process does not change the default information in the image; it performs n image resizing and performs some useful ïŹltering pro- ωn ôœ˜ ωni. (4) cesses to detect the disease information in the banana leaf. i 1 The image captured and stored as a data set is of diïŹ€erent The next operation is pooling that reduces dimensions of resolutions so it must be converted into a standard ïŹxed the feature maps, and this helps in reducing the computa- resolution size using image resizing. Then by using image tions to be performed in the network. So further operations ïŹltering techniques such as median ïŹlter other noises will be performed on the précised positioned features present in the images are removed. Focus issues and other generated by the convolutional layer. There are multiple unwanted portions in the image while capturing are re- types of pooling methods available in this context of the Max stored in this process. Another ïŹltering process such as low pooling method so that the output of the Max-pooling layer pass ïŹltering that helps in reducing the amplitude of high- will contain the most important features of the earlier feature frequency components in the image and keeps the low- map. This pooling-based reduction is done without losing frequency information as it is. The high-pass ïŹlter does the the features or patterns. vice versa and the proposed architecture is illustrated in After completing a sequence of convolution layers, ReLU Figures 5 and 6. activation, and pooling operations, the next step is to per- form the ïŹ‚attening operation that converts the 2D matrix of features into a vector of features, which is then fed into a 3.3. Feature Extraction Using CNN. The main objective of the classiïŹer model. The main objective of the fully connected CNN is to recover the high-level features of the banana leaf process is to feed the ïŹ‚attened vectors into the classiïŹer, and infections in the image. To perform this, CNN architecture the 2D Max pooling operations in Keras are demonstrated in was built with multiple overlying convolutional layers. Figure 8. Normally, a convolutional layer will contain convolution In this proposed work, train and test the images in and activation functions that are non-linear in our case, and various proportions they are 90%, 70%, 50%, 30%, and 20% the utilization of ReLU and pooling process have been as training images, and the remaining images are treated as enabled. The input for the CNN will be training and testing the test images. With these proportions, compare the per- images of dimensions of 80 × 120 in height and width, which formance of classiïŹcation on training accuracy and testing is demonstrated in Figure 7. accuracy. The proposed CNN architecture is motivated by LeNet- 5. The convolutional layers are called C1, C2 which contains 4, 8, and 16 ïŹlters with dimension 5 × 5, 3 × 3 and 2 × 2, respectively. Let vl denotes the output of the convolutional 3.4. Proposed Fusion SVM ClassiïŹer. SVM is a supervised layers, and it is expressed in machine learning algorithm and is one of the most popular approaches for image classiïŹcations. SVM is a binary X Y classiïŹcation algorithm that classiïŹes the images into only vl f ⎛ ⎝al + ôœ˜ ôœ˜ gl hl−1 ⎞ ⎠ x,y x,y. (1) two distinct classes, infected or not infected. But the real- x y world problem is to identify the exact infection type, which Here, involves the classiïŹer to classify the image into more than two classes or multiple classes. There are many types of X, Y represents size of the ïŹlters (height and width) methods that can be followed to use SVM for multiclass al represents bias of the convolutional layer classiïŹcation such as One versus All, One versus One, hl−1 represents the output of the preceding convolu- and All versus All. tional layer In this proposed work, the SVM is used in two dif- ferent phases P1 and P2. In the ïŹrst phase P1, the feature gl represents the weight of the convolution layer extracted from the CNN model is fed as an input to a The non-linear activation function of ReLU (f(v)) is binary SVM model. Here the model classiïŹes the leaf computed in image and other parts of the banana plant available in the data set as infected on a healthy leaf. If the test image of the v, v > 0, f(v) ReLU(v) f(v) ôŒš (2) leaf given as an input is a healthy leaf, then the process 0, v ≀ 0. terminates. In the second phase, P2 construct a multiclass support vector machine to predict the disease type. Given The parameter ÎŽ could be computed using the highest a new image, our proposed model determines whether the estimation with the particular training set, and it is com- banana plant is infected or not. If it is an infected image, puted in then it predicts its class out of 4 available disease classes. N The proposed classiïŹcation method is described in E(ÎŽ) ôœ™ f(v)ÎŽn , (3) Figure 9. n 1 6 Computational Intelligence and Neuroscience Discard Healthy Images Infected Image BXM Classification Results BFM Feature Extraction using Image Preprocessing Binary SVM Multiclass SVM CNN BBTV Vectors BBS Figure 5: Block diagram of the proposed method. Image Resizing Full commected Image Max-Pooling RELU Pre-processed Feature Extraction Hyper plane 1 By Class 1 Class 2 Convolutional Neural Networks XANTHOMONAS WILT FUSARIUM WILT Hyper plane 2 Vectors BUNCHY TOP VIRUS Class 3 Class 4 BLACK SIGATOKA Classification By Multiclass SVM Figure 6: Overview of the proposed method. 16@56×36 16@28×16 8@114×74 4@116×76 8@57×37 1×128 Convolution Convolution Max-Pool Convolution Max-Pool Figure 7: Architecture of the convolutional neural networks for the proposed system. Computational Intelligence and Neuroscience 7 2 2 7 3 Max Pooling 9 5 6 1 9 7 8 7 3 5 Filter (2×2) 8 6 3 2 1 6 Stride (2, 2) Figure 8: 2D Max pooling operations in Keras. Infected Fully connected Features Healthy Vectors from the Convolutional Neural Networks Binary SVM Hyper plane 1 BXW BFW Is Banana Yes Leaf Infected? Hyper plane 2 BBTV BBS No Multi Class SVM STOP Figure 9: Structure of proposed fusion SVM classiïŹer. (1) Input: features from the CNN model (2) Procedure Support Vector Machine (3) Binary classiïŹer P1 classiïŹes the input image as infected or healthy. Training and Testing (4) If ClassiïŹer Result of P1 Healthy (5) Process terminated. (6) Evaluate The Binary ClassiïŹcation Result (7) If ClassiïŹer Result of P1 Infected (8) Develop multiclass classiïŹers P2 (9) End Procedure (10) Output: Disease ClassiïŹcation (11) Evaluation of the ClassiïŹcation Result ALGORITHM 1: Proposed fusion SVM classiïŹer. 4. Results and Discussions based SVM testing operation, the ïŹrst-level P1 binary SVM classiïŹes the image as infected leaf or a healthy leaf. If the The testing of the banana tree disease detection and clas- given test image is a healthy image, the process exits in the siïŹcation was performed using PYTHON programming phase P1, and the classiïŹer performs the training process language in Jupyter notebook environment on an I5 pro- when a new image is given as a query image for performing cessor with 32 GB of RAM equipped with 6 GB AMD GPUs itself. If the test image is infected, then the features are from NVIDIA. To demonstrate the proposed method of applied to the second phase P2, which is a multiclass image classiïŹcation, the experimentation has been con- classiïŹcation. Here the infected banana plant is classiïŹed as ducted with 5 categories of images taken. The proposed either one of the four classes, namely banana Xanthomonas system takes the image data and extracts the image features wilt (BXW), banana Fusarium wilt (BFW), banana bunchy using the proposed CNN whose architecture is inspired by top virus (BBTV), and banana black Sigatoka (BBS). Then LeNet-5. Then with the extracted features of the fusion- the performance of the proposed classiïŹer is measured 8 Computational Intelligence and Neuroscience Figure 10: Image classiïŹed as BXW showing the accuracy and elapsed time. Figure 11: Stem image classiïŹed as BXW showing the accuracy and elapsed time. according to the accuracy in percentage and elapsed time fusarium, the treatment is to spray Propiconazole, and if (ET) in seconds. Simultaneously, a confusion matrix is the predicted disease is bunchy top, Fernoxone is the constructed to calculate the classiïŹcation precision, recall, possible treatment. Figure 11 shows the query image and F1 score. classiïŹed as black Sigatoka with an accuracy of 99% and Figure 10 shows the output of the proposed system elapsed time of 148.51 seconds. Figure 12 illustrates the with a classiïŹcation accuracy of 99% and elapsed time of image classiïŹed as BBS showing the accuracy and elapsed 19.53 seconds. Furthermore, this output suggests the time. possible treatments to be given for the detected disease To measure the performance of the model proposed a such as if the disease is black Sigatoka, the treatment is confusion matrix is constructed. The confusion matrix is a Carbedazime; if the predicted disease is Xanthomonas, the tabular outline representing the eïŹƒciency of the proposed treatment is to spray Mancozeb; if the predicted disease is model and how it performs. Figure 13 shows the confusion Computational Intelligence and Neuroscience 9 Figure 12: Image classiïŹed as BBS showing the accuracy and elapsed time. A 0.96 0.01 0.01 0.02 0.8 B 0.03 0.93 0.02 0.02 0.6 0.4 C 0.04 0.13 0.82 0.02 0.2 D 0.03 0.05 0.02 0.9 A B C D Figure 13: Confusion matrix. matrix of the proposed model, there are 4 elements used in TN + TP the confusion matrix they are. accuracy × 100, Total True positive (TP): proposed model predicts true, while TP actually it is true precision , TP + FP True negative (TN): proposed model predicts false, (5) while actually it is false TP recall(or)sensitivity , False positive (FP): proposed model predicts true, while TP + FN actually it is false 2 ∗ precision ∗ recall False negative (FN): proposed model predicts false, F1 score. precision + recall while actually it is true Table 1 shows the performance of the proposed model Accuracy tells the overall correct prediction, the recall evaluated with diïŹ€erent test images. The metrics used to is the measure of positives that are misclassiïŹed as neg- estimate the performance of the proposed model are pre- ative, precision is the measure of negatives that are cision, recall, accuracy, and F1 score. The following are the misclassiïŹed as positives, F1 sore is the harmonic mean of equations for calculating the performance metrics. precision and recall. Figure 14 shows the accuracy levels of 10 Computational Intelligence and Neuroscience Table 1: Performance evaluation of the proposed classiïŹcation. Class F1 score Accuracy (%) Recall Precision BXW 0.96 98 0.98 0.94 BFW 1 99.90 1 1 BBTV 0.99 99.60 0.98 1 BBS 0.95 97.70 0.94 0.97 101 100 100 99 Accuracy (%) 99 98 98 97 97 BXW BFW BBTV BBS Classes Figure 14: Accuracy of the classiïŹcation. 1.01 1 0.99 0.98 0.97 0.96 0.95 0.94 0.93 0.92 0.91 BXW BFW BBTV BBS Precision Recall F1 Score Figure 15: Performance evaluation. diïŹ€erent classes predicted by the model, and Figure 15 comparison was made based on the literature survey shows the performance of other metrics. comparing various classiïŹers such as CNN, SVM, random Figure 16 shows the ROC curves plotted between the forest, SVM + PCA, ANN, CNN + RF, and SVM + Haar-WT. true-positive rate and the false-positive rate for the proposed Comparison results show that CNN + fusion SVM-based method, and Figure 17 shows the comparison of the pro- classiïŹer accelerates performance for classifying multiple posed model with other classiïŹers based on its accuracy. This classes. Computational Intelligence and Neuroscience 11 ROC curve of the Banana Disease Classifier 1.2 1 True Positive Rate 0.8 0.6 0.4 0.2 0 0 0.2 0.4 0.6 0.8 1 1.2 False Positive Rate Figure 16: Receiver operating characteristic (ROC) curves for the proposed method. Proposed CNN+FSVM SVM+Haar-WT CNN+RF Classifiers SVM+PCA ANN Random Forest SVM CNN 84 86 88 90 92 94 96 98 100 Accuracy Figure 17: Comparison of various classiïŹers with the proposed method. Table 2: List of abbreviations. Abbreviation Acronyms CNN Convolution neural network FSVM Fusion support vector machine BXW Banana Xanthomonas wilt BFW Banana fusarium wilt BBTV Banana bunchy top virus BBS Banana black Sigatoka RGB Red green blue HSI Hue, saturation, and intensity PCA Principle component analysis HOT Histogram of template R–CNN Region-based convolution neural network ANN ArtiïŹcial neural network LBPH Local binary pattern histogram Haar-WT Haar-wavelet transform AUC Area under curve KNN K-nearest neighbors VGA Video graphics array DSLR Digital single-lens reïŹ‚ex ReLU RectiïŹed linear unit 12 Computational Intelligence and Neuroscience Table 2: Continued. Abbreviation Acronyms AMD Advanced microdevices GPU Graphics processing unit ET Elapsed time TP True positive TN True negative FP False positive FN False negative ROC Receiver operating characteristic RF Random forest 5. Conclusion and Future Scope Agronomy for Sustainable Development, vol. 39, no. 2, p. 22, 2019. 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