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AUTOMATIC DETECTION AND
CLASSIFICATION OF PLANT LEAF DISEASE
USING DEEP CONVOLUTIONAL NEURAL
NETWORK
Dr.L. Malathi1, P. Yogashree2, A. Thamaraiselvi3
1Associate Professor, Department of Computer Science and Engineering, Vivekanandha College of Engineering
for Women, Tiruchengode, Namakkal,Tamilnadu, India 2P.G.Scholar, Department of Computer Science and Engineering, Vivekanandha College of Engineering for
Women, Tiruchengode, Namakkal, Tamilnadu, India 3Assistant Professor, Department of Computer Science Engineering, Vivekanandha College of Engineering for
Women, Tiruchengode, Namakkal, Tamilnadu, India
ABSTRACT- Agriculture profitability is something on which economy profoundly depends in India. This
is the one reason that infections discovery in plants assumes a significant job in agribusiness field, as
having ailment in plants are very normal. On the off chance that appropriate consideration can't right
now, it causes genuine impacts on plants and because of which particular item quality, amount or
profitability is influenced. Presently a-days profound learning is turning into the standard strategy for
picture characterization. Ongoing advancements in Deep Neural Networks have permitted analysts to
radically improve the exactness of item location. Effectively scarcely any engineering has been created by
the analysts for proficient characterization plant ailment which incorporates Faster Region-based
Convolutional Neural Network (Faster R-CNN), Region-based Fully Convolutional network(R-FCN), and
Single Shot Multibox Detector (SSD). Alex Net, Google Net and VCC-16 are the surely understands Deep
Convolutional Neural Network design for general Image arrangement. In any case, these engineering
doesn't perform well, when numerous sicknesses influencing a similar leaf. To conquer this, A Hybrid
Deep Convolutional Neural Network design with division is proposed right now which contains five
convolutional layer, five pooling layer and two completely associated layer. Profound convolutional
Neural Networks are most ordinarily used to break down visual symbolism and are habitually working
off camera in picture grouping.
Key Words: Deep Learning, Alex Net, Google Net, Plant Disease Prediction, etc.
I. INTRODUCTION
Yields are influenced by a wide assortment of maladies, particularly in tropical, subtropical, and mild
districts of the world. Plant infections include composite associations between the host plant, infection, and its
vector. Environmental change fundamentally influences provincial atmosphere factors, for example, dampness,
temperature, and precipitation, that subsequently fill in as a vector where pathogens, infection, and sicknesses
can obliterate a yield, and in this manner premise the immediate effects on the populace, for example, financial,
wellbeing, and vocation impacts. A prior ID of infection is these days a moving methodology and should be
treated with extraordinary consideration. The exploration has center around the recognizable proof and
acknowledgment of infections that influence tomato, banana, maize, sugarcane, and rice plants. So for the
acknowledgment of plant sicknesses the innovation utilized for the exploration is Convolutional Neural Network
for the forecast in the plant leaves. Convolutional Neural systems are layout to the procedure of information
through various layers of clusters. This sort of neural systems is utilized in applications like picture
acknowledgment or face acknowledgment. The most punctual contrast among CNN and some other normal
neural system is that CNN accepts contribution as a two-dimensional cluster and control straightforwardly on
the pictures as opposed to concentrating on highlight creation which other neural systems center around. CNN
or Convolutional Neural Networks use pooling layers, which are the layers, situated following CNN statement.
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Volume XII, Issue V, 2020
ISSN No : 1006-7930
Page No: 674
It takes the contribution from the client as an element map that leaves convolutional organizes and readies a
dense element map. Pooling layers helps in making layers with neurons of past layers.
A pooling layer is another structure square of a CNN. Its ability is to sensibly diminish the spatial size
of the depiction to reduce the proportion of parameters and estimation in the framework. Pooling layer chips
away at every part map unreservedly. The most notable approach used in pooling is max pooling. The totally
related (FC) layer in the CNN addresses the segment vector for the data. This segment layer holds information
that is fundamental to the data. A softmax layer, allows the neural framework to run a multi-class work. To lay it
out simply, the neural framework will by and by have the alternative to choose the probability that the canine is
in the image, similarly as the probability that additional things are joined moreover.
II. LITERATURE REVIEW
Amara, Algergawy J, Bouaziiz, B. [1] says plant illnesses are significant factors as they bring about
genuine decrease in quality and amount of farming items. In this way, early discovery and conclusion of these
maladies are significant. To this end, the creator propose a profound learning-based methodology that
mechanizes the way toward arranging banana leaves ailments. Specifically, the examination utilize the LeNet
engineering as a convolutional neural system to characterize picture informational indexes. Its side effects start
by microscopic, chlorotic spots and it at that point forms into meager dark colored streaks that are limited by
leaf veins.
Figure 1. Architecture of Deep Convolutional Neural Network
Boukhalfa, M., Brahimi, k., and Moussaoui, A[4] says a few investigations have put resources into
the Machine Learning classifiers to shield plants from ailments by preparing Leaves Images. The acquired
outcomes are empowering, arriving at 99.18% of precision, which our performs drastically shallow models, and
they can be utilized as a down to earth device for ranchers to secure tomato against infection. Tomato possesses
a conspicuous spot in the Algerian rural economy.
Ferentinos, K.P.[7] says, Convolutional Neural Network models were created to perform plant
infection identification and determination utilizing basic leaves pictures of solid and unhealthy plants, through
profound learning strategies. Also, on account of huge scope developments, the framework could be joined with
independent horticultural vehicles, to precisely and auspicious find phytopathological issues all through the
development field, utilizing constant picture catching. All these are, obviously, substantial under the condition
that the framework could accomplish elevated levels of execution in recognizing and diagnosing explicit
illnesses, in actuality, conditions (i.e., in the development field), and that it could be worked through a proper,
simple to-utilize, and easy to use portable application for the particular instance of wheat plants.
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ISSN No : 1006-7930
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K.P, Ferentinos [8] says, Convolutional Neural Network models were made to perform plant
contamination area and assurance using essential leaves pictures of sound and undesirable plants, through
significant learning techniques. Getting ready of the models was performed with the use of an open database of
87,848 pictures, containing 25 one of a kind plants in a ton of 58 specific classes of [plant, disease] mixes,
including strong plants. All these are, clearly, generous under the condition that the structure could achieve huge
degrees of execution in recognizing and diagnosing express diseases, taking everything into account, conditions
(i.e., in the advancement field), and that it could be worked through a legitimate, easy to-use, and simple to
utilize compact application for the specific case of wheat plants.
Liu, B., He,D.,Zhang, Y ., and Li, Y[13] recognized Mosaic, Rust, Brown spot, and Alternaria leaf
spot are the four basic kinds of apple leaf sicknesses. Early conclusion and exact distinguishing proof of apple
leaf maladies can control the spread of contamination and guarantee the sound improvement of the apple
business. The current research utilizes complex picture preprocessing and can't ensure high acknowledgment
rates for apple leaf maladies. The creator proposes an exact distinguishing approach for apple leaf sicknesses
dependent on profound convolutional neural systems. This examination demonstrates that the proposed
profound learning model gives a superior arrangement in illness control for apple leaf sicknesses with high
exactness and a quicker union rate, and that the picture age system proposed the exploration can improve the
heartiness of the convolutional neural system model.
Figure 2. AlexNet Inception
Lu, Y .,Zeng, N ., Yi, S ., Liu, Y., Zhang, Y[14] says the programmed recognizable proof and
analysis of rice illnesses are profoundly wanted in the field of horticultural data. Profound learning is a hot
research subject in design acknowledgment and AI at present, it can adequately take care of these issues in
vegetable pathology.The creator propose a novel rice maladies distinguishing proof strategy dependent on
profound convolutional neural systems (CNNs) methods.The conventional strategy for identifying rice
infections requires bunches of specialists' understanding and information. With the advancement of PC and web
innovation, ranchers can look through the rice maladies pictures database or counsel the plant pathologists to
pass judgment on rice.
Mohanty, S. P., Hughes, D. P., &Salathe, M[15], says that crop ailments are a significant danger to
nourishment security, yet their quick recognizable proof stays troublesome in numerous pieces of the world
because of the absence of the vital infrastructurie. In the creating scene, in excess of 80 percent of the agrarian
creation is produced by smallholder ranchers, and reports of yield loss of over half because of vermin and
ailments are normal. Besides, the biggest division of hungry individuals (half) live in smallholder cultivating
family units, making smallholder ranchers a gathering that is especially powerless against pathogen-inferred
disturbances in nourishment supply.
Jose G.M.Esgario, et al[11] explaine the biotic pressure comprises of harm to plants through other
living creatures. Effective control of biotic specialists, for example, nuisances and pathogens is firmly identified
with the idea of horticulture supportability. Horticulture maintainability advances the improvement of new
advances that permit the decrease of natural effects, more prominent availability to ranchers and subsequently,
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increment on efficiency. The utilization of PC vision with profound learning strategies permits the early and
address distinguishing proof of the
pressure causing operator.
Figure 3. Potato defect classification using CNN
Paper Title
Network
Dataset
No. of
training
images
No. of
testing
images
Pros
Cons
Accur-
acy
A Deep learning
Based Approach for
Banana leaf
Classification
CNN
(LeNet)
Plant
village
3700
2057
Food served
on the leaves
absorbs the
polyphenols.
Nutrient
imbalance,Sl
eepiness.
97%
Deep Learning for
tomato Diseases:
Classification and
symptoms
visualization
CNN
(AlexNet,
GoogLeNet
)
Plant
village
800
50
It helps to
protect from
cancer,
maintain
diabetes.
In large
amount of
tomato
leaves cause
poisoning.
99%
Automated
Identification of
Norther leaf
Blight-Infected
Maize Plants from
Field Imagery
Using Deep
Learning
CNN
(pipeline)
Corn
Images
(own)
100
421
Consumed
widely as
food and
feed, not
toxic, not
allergenic.
Stability of
Proteins in
seed may
lead to
Persistence
97%
Deep Learning
Models for Plant
Disease Detection
and Diagnosis
CNN
(Several)
Plant
village
70300
17548
It take less
time,less
efforts and
become
more
accurate.
It take more
steps for
becoming
good leaves.
99%
A Robust Deep
Learning Based
Detector for Real
Time Tomato
Plant Disease and
Pests Recognition
Sensors.
CNN
(Several)
Tomato
Images
(own)
43398
100
It helps to
protect from
cancer,
maintain
diabetes.
In large
amount of
tomato
leaves cause
poisoning.
83%
Table 1: Comparison of different plant leaf diseases
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Identification of
Apple Leaf
Diseases Based on
Deep
CNN
CNN
(AlexNet)
Apple
Images
(own)
10888
2801
It is good for
heart.They
are linked to
lower risk of
Diabetes
It is based
on calories,
loose stools,
stomachache
98%
Identification of
Rice Diseases
Using Deep
Convolutional
Neural Network
CNN
Rice
Images
(own)
500
85
Adding a lot
of rice could
lead to
chronic
diseases
It contains
more
calcium and
iron
95%
Using Deep
Learning for
Image Based
Plant Disease
Detection
CNN
(AlexNet,
GoogLenet
)
Plant
Village
41112
54306
It take less
time,less
efforts and
become
more
accurate.
It take more
steps for
becoming
good leaves.
99%
Potato Disease
Classification Using
Convolutional
Neural Network
CNN
(AlexNet,
GoogLeNet
,VGG-16)
Potato
Images
(own)
168
115
It contain
fiber and
nutrients,
they are very
satiating and
versatile
It decrease
the risk of
heart disease
95%
Deep Learning for
Classification and
Severity
Estimation of
Coffee Leaf
Image Biotic Stress
CNN
(Several)
Coffee
Images
(own)
1052
210
It boost
physical
performance
,loss weight
burns fat.
It is toxic,
cause
insomnia.
96%
III.EXISTING SYSTEM
The exploration works for a point by point conversation of 65 models, just as quantitative examination
of various strategies in the two significant research headings: Human Fixation Prediction and Deep Learning
Computation. In the Deep Learning Object Prediction uses low level preparing to decide the differentiation of
picture areas to their environment, use include properties, for example, force, shading, and edges.
Deep Learning Computation Object Detection is basic, naturally conceivable, and simple to parallelize to
multi-scale differentiate by directly joining contrast in a Gaussian picture pyramid. Most as of late at the same
time model neighborhood low-level pieces of information, worldwide contemplations, visual association rules,
and elevated level highlights to feature Guided ailment protests alongside their specific circumstances. Such
strategies utilizing nearby differentiation will in general produce higher Deep Learning Computation esteems
close to edges rather than consistently featuring Guided infection objects. The normal Deep Learning
Computation esteems inside picture portions created by mean-move division, and afterward find Guided ailment
questions by distinguishing picture sections that have normal Deep Learning Computation over a limit that is set
to be double the mean Deep Learning Computation estimation of the whole picture. Leaf shape report the key
drawback in leaf ID. Up to now, a few structure alternatives are attracted out to clarify the leaf structure. Be that
as it may, there's no right application to group the leaf once catching its picture and distinguishing its
characteristics, nonetheless. In plant leaf arrangement, leaf is classed and upheld for its totally extraordinary
morphological choices. Some of the grouping procedures utilized are
Fuzzy logic
Principal component Analysis
k-Nearest Neighbor Classifier
Drawbacks
1. Less Color code density.
2. Artifacts may appear.
3. Segmentation accuracy not proper.
4. Edges not clear.
5. Inaccurate results in extraction high density images.
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IV.PROPOSED METHODOLOGY
The examination is to distinguish the plant sicknesses and give the answers for recuperate from the leaf
ailments. In the proposed framework the exploration is to giving an answer for recoup from the leaf infections
and furthermore show the influenced piece of the leaf by picture preparing method. Fig no.1 shows framework
engineering of proposed plant leaf ailment location framework. First the pictures of different leaves are obtained
utilizing high goals camera in order to improve results and effectiveness. Computerized camera or comparative
gadgets are utilized to catch pictures of leaf of various sorts, and afterward those are utilized to recognize the
influenced zone in leafs. At that point picture preparing procedures are applied to those pictures to draw out the
helpful highlights which will be required for additional examination. At that point various sorts of picture
handling methods are applied to process the pictures, to get extraordinary and helpful highlights required to
dissect later.
In all the methodologies depicted in the exploration were the picture of the plant leaves is resized to
256 x 256 pixels for the expectation of ailments in the leaves. Over the analyses, there are three unique
renditions of the Whole PlantVillage datasets. First beginning with the PlantVillage dataset as it is,in shading, at
that point explore different avenues regarding a dim scaled rendition, thus evacuating all the additional
foundation data which may can possibly present some natural inclination in the dataset because of the
regularized procedure of information assortment. Division was computerized by the methods for a content tuned
to perform well on our specific dataset. The quantities of parameter are utilized for preparing, approval and
testing process. To get a feeling of approaches will perform on new inconspicuous information, and furthermore
to monitor if any of the methodologies are over fitting, the run of all trials over an entire scope of train-test set
parts, specifically 80-20(80% of the entire dataset utilized for preparing, and 20% for testing), 60-40(60% of the
entire dataset utilized for preparing, and 40% for testing), 50-50(50% of the entire dataset for preparing, and half
for testing), 40-60 (40% of the entire dataset for preparing, and 60% for testing), 20-80(20% of the entire dataset
for preparing, and 80% for testing). For the forecast of plant infections the Feature Extraction and Classification
are utilized. The element extraction model is where the system figures out how to distinguish diverse elevated
level highlights from the info pictures. It comprises of an arrangement of convolution, pooling and completely
associated layer. Also these layers are clarified in the module depiction. In the element extraction model five
convolution layer and two pooling layers are utilized. The arrangement model the completely associated layers
where every neuron gives a full association with all took in include maps gave from the past layer in the
convolution neural system. These associated layers depend on the softmax enactment work so as to process the
classes scores. The contribution of the softmax classifier is a vector of highlights coming about because of the
learning procedure and the yield is a likelihood that a picture has a place with a given class. In the grouping
model completely associated layer and softmax layer is utilized to anticipate the plant sickness wether it is a
solid leaves or influenced by any infections. Another system for Deep Learning Computation dependent on
spectural area whether the calculation utilizes the band-pass separating in Fourier transform(FT) space with a
few data transfer capacities that can speak to mindful locales on the pictures. The higher data transmissions at
higher recurrence edges or corners can be distinguished on the pictures. The works, surface portrayals are given
higher loads to make consistency on the recognized Guided infection areas. Nearly the precision of the Plant
Disease Prediction is expanded to 99.5% utilizing Deep Learning technique.
ADVANTAGES
1. Object of interest image segmentation.
2. Adaptive compression.
3. Object recognition.
4. Content aware image editing.
5. Object level image manipulation.
Bacterial Diseases
A bacterial infection is for the most part alluded as the "Bacterial leaf spot". It is started as the little,
yellowgreen injuries on youthful leaves which normally observed as disfigured and turned, or as dull, water-
doused, oily - showing up sores on more established foliage.
Viral Diseases
All popular illness presents some level of decrease underway and the life of infection contaminated
plants is generally short. The most accessible side effects of infection contaminated plants are every now and
again show up on the leaves, yet some infection may cause on the leaves, foods grown from the ground. The
Viral malady is extremely hard to examine. Leaves are viewed as wrinkled, twisted and development might be
modest because of the infection.
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ISSN No : 1006-7930
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Fungal Diseases
Contagious infection can impact the Contaminated seed , soil, yield, weeds and spread by wind and
water. In the early on compose it appears on lower or increasingly prepared gets out as water-drenched, dark
green spots. A while later these spots are dark and by then white parasitic improvement spread on the
undersides. In fleece development yellow to white streak on the upper surfaces of increasingly prepared gets out
occurs. It spreads outward on the leaf surface making it turn yellow.
Table 2. Comparison of Deep Learning and Machine Learning
S.NO DEEP
LEARNING
MACHINE LEARNING
1. A subset of machine learning
based on neural networks that
permit a machine to train itself
to perform a task.
Machine learning is the practice of
getting machines to make
decisions without being
programmed.
2. To make machines learn
through data so that they can
solve problems.
To build neural networks that
automatically discovers patterns
for feature detection.
3. Once they are implemented,
the algorithms are usually self-
directed for the relevant data
analysis.
The various algorithms are
directed by the analysts to
examine the different variables in
the datasets.
4. The output can be anything
from a score, an element, free
text or sound,
The output is usually a numerical
value, like a score or a
classification.
V. MODULES DESCRIPTION
1. Image Preprocessing
2. Convolutional Neural Network
3. Pooling Layer
4. Fully Connected Layer
Image preprocessing
Image pre-processing is used to increase the quality of image necessary for further processing and
analysis. It includes color space conversion, image smoothing and age enhancement. The nature of info picture
is accomplished by expelling undesired twisting from the picture.
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Image enhancement is performed to increase the contrast of image. Image clipping is done to get an
interested region . Smoothing channel is utilized for picture smoothing.
Convolutional Neural Network
A convolutional Neural Network is a kind of fake neural system utilized in picture acknowledgment
and preparing that is extraordinarily intended to process pixel information. Convolutional Neural Network are
amazing picture handling, man-made brainpower that utilization profound figuring out how to perform both
generative and engaging assignments, frequently utilizing machine vison that incorporates picture
acknowledgment, alongside recommender frameworks and common language preparing. A CNN utilizes a
framework much like a multilayer perceptron that has been intended for diminished preparing necessities. The
layers of a CNN comprise of information layer, yield layer and concealed layer that incorporates various
convolutional layers, pooling layers, completely associated layers and standardization layers.
Figure 4. Detection of plant disease using image processing
Pooling Layer
The max-pooling operation was adopted after the convolutional layers. The first convolutional layer C1
is composed of 32 feature maps which are connected to all of image patched of 16 × 16 through filters of size 5
× 5 and stride of one pixel. The size of the feature maps generated in this layer was 14 × 14. The second layer
P1 is max-pooling with kernel size of 2 × 2 and stride of 2. Layer C2 took the output of P1 as input with size 7 ×
7. We again used the same convolutional operation to obtain 32 feature maps with the size of 7 × 7. Then
pooling operation is applied, in Layer P2, which results in maps with size 2 × 2. The Fifth layer is fully-
connected layer F6 was applied in the top of CNNs in order to discover the relationships between high-level
features obtained from previous layers, where there were 64 neurons in this layer. The final layer contained two
units fully connected with the layer F6, one neuron activated by softmax regression produced a value between 0
and 1 which can be interpreted as the probability of the pixel centered at the patch being Leaf disease present or
not.
Pooling layer give a way to deal with down testing highlight maps by outlining the nearness of
highlights in patches of the component map. The two regular pooling strategies are normal pooling and max
pooling that diagram the normal nearness of a component and the most actuated nearness of an element
separately. Pooling is required to down example the location of highlight in include maps. Max pooling is an
example based discretization process. The goal is to down-example an info portrayal, decreasing its
dimentionality and taking into consideration suspicions to be made about highlights contained in the sub-
districts binned. Normal pooling layer performs down-testing by jumping the contribution to rectangular pooling
locales and registering the normal estimations of every district. Normal pooling layer includes ascertaining the
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normal for each fix of the element map. This implies every 2 x 2 square of the component map is down
examined to the normal incentive in the square.
Fully Connected Layer
Fully connected layer is a neural networks are those layers where all the contributions from one layers
are associated with each initiation unit of the following layer. In most mainstream AI models, the last scarcely
any layers are completely associated layers which orders the information extricated by past layers to shape the
last yield.
Fully connected layers are a basic part of convolutional neural system which have been demonstrated
effectively in perceiving and grouping pictures for PC vision. The CNN procedure starts with convolution and
pooling, separating the picture into highlight and investigating them freely.
The proposed system is tested with three different patch size 16×16, 24×24 and 32×32. The results of
these models were presented in the next section. As the complexity of the network increase, the execution time
also increases. The key challenge is to balance the accuracy and the execution time. We use the limited feature
map, if we increase the number of features maps the accuracy will be improved. These DCNNs architectures are
showed in Table 1 was used to implement the DCNNs model.
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Table 3. Three DCNN Architectures
Architecture
/ Layer
Architecture 1 Architecture 2 Architecture 3
Layer 1
C1 : Convolutional Layer
with 32 Feature Map,
5×5 size and 1 Stride
C1 : Convolutional
Layer with 32 Feature
Map, 5×5 size and 1
Stride
C1 : Convolutional Layer
with 32 Feature Map, 5×5
size and 1 Stride
Layer 2
P1: Max Pool with 2×2
and stride 2 (with
padding)
P1:Avg Pool with 2×2
and stride 2 (without
padding)
P1:Max Pool with 2×2
and stride 2 (with padding)
Layer 3
C2 : Convolutional Layer
with 32 Feature Map,
3×3 size and 1 Stride
C2 : Convolutional
Layer with 32 Feature
Map, 3×3 size and 1
Stride
C2 : Convolutional Layer
with 32 Feature Map, 3×3
size and 1 Stride
Layer 4 P2: Max Pool with 2×2
and stride 2
P2: Avg Pool with 2×2
and stride 2
P2: Max Pool with 2×2
and stride 2
Layer 5 Fully Connected Layer
C3 : Convolutional
Layer with 64 Feature
Map, 3×3 size and 1
Stride
C3 : Convolutional Layer
with 64 Feature Map, 3×3
size and 1 Stride
Layer 6 Softmax Classifier Fully Connected Layer Fully Connected Layer
Layer 7 - Softmax Classifier Softmax Classifier
VI. RESULT
Almost in the above work accuracy of the Plant diseases prediction is 99% and resolutions of the image
on edges is not clear for the prediction. Nearly in the above work the exactness of the Plant maladies forecast is
99% and the goals of the picture on the edges can't for the expectation. So for right now precision is improved to
99.5% and the picture goals on the edges is unmistakably related to the Fourier Transform (FT) utilizing the
Deep Learning Convolutional Neural Network. The prepared and tried pictures were stretched out before the
work for the best outcome for the forecast of leaf maladies. So for the Prediction precision is plainly seen with
the correlation of before work and the work which is improved for the best outcome utilizing the Deep Learning
Convolutional Neural Network.
Yellow leaf curl virus
It is a Yellow leaf curl virus which influences the leaf spots over 380 have species of plant. It can too
influence leaf spots, rots, blight and other plant parts.
Journal of Xi'an University of Architecture & Technology
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Remedies of Yellow leaf curl virus which shown following screenshot.
Bacterial Spot
Bacterial Blight is characterized by small, pale green spots or streaks appeared as water-soaked. The
lesions will expand then appear as dry dead spots. It may extend until the full length of the leaf.
Journal of Xi'an University of Architecture & Technology
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Remedies of Bacterial Spot Leaf which shown following screenshot.
Late Bright Leaf
Late Bright Leaf is characterized by small, pale ash spots or streaks appeared as water-soaked. The
lesions will expand then appear as dry dead spots.
Remedies of Late Bright Leaf which shown following screenshot.
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Accuracy
The proposed DCNN architectures are compared and performance of each architecture evaluated by
accuracy. Accuracy is referring to the closeness of a measured value to an actual value. And also precision is
independent of accuracy, which calculated by,
Accuracy =true positive + true negative
true positive + true negative + false positve + false nagtive (4)
Table 4 shows the accuracy of the proposed DCNN architectures. Each architecture composed of different
number of layer and it is evaluated with three different patch sizes (16×16), (24×24), (32×32). The architecture
3 yields the higher accuracy with the patch size of 24 × 24.
Table 4. Comparison of Accuracy for Proposed DCNN architectures
DCNN
Architecture Patch Size Accuracy (%)
DCNN
Architecture 1
16×16 74.68
24×24 75.76
32×32 70.91
DCNN
Architecture 2
16×16 71.11
24×24 73.25
32×32 73.16
DCNN
Architecture 3
16×16 82.42
24×24 82.55
32×32 80.02
Figure 5. Accuracy of Proposed DCNN Architectures
Table 4 shows the results comparison of proposed DCNN and the existing techniques includes SVM
and ANN in terms of Precision, Recall, and Dice Score Coefficient. Here 150 samples are taken as input for
16*16
24*24
32*32
16*16
24*24
32*32
16*16
24*24
32*32
DCNNArchitecture
1
DCNNArchitecture
2
DCNNArchitecture
3
5055606570758085
DCNN Architectures
Acc
ura
cy (
%)
Accuracy (%)
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evaluating the performance and result shows that the DCNN achieves higher true positives. The precision, recall
and DSC give substantially more relevant results for DCNN architecture.
Table 5. Dataset for image classification of plant disease.
Class
No. of
original
images
Total no. of
images:
Original &
augmented
No. of images
from dataset
used for
validation
1.Healthy Leaf
565
4523
331
2.Pear,
Cherry
265
2124
152
3.Peach, Powdery
mildew
108
1296
90
4. Peach, Taphrina
deformans
152
1552
156
5. Apple, pear,
Erwinia amylovora
232
2368
205
6. Apple, pear,
venturia
183
2200
151
7.Apple, powdery
mildew
120
1440
118
8. Apple, Rust
163
1960
163
9. Pair,
Gymnosporangium
sabinae
267
2142
185
10. Pair, Gray leaf
spot
122
1464
198
11. Grapevine, wilt
287
2300
114
12. Grapevine,
mites
250
2000
230
Journal of Xi'an University of Architecture & Technology
Volume XII, Issue V, 2020
ISSN No : 1006-7930
Page No: 687
13. Grapevine,
powdery mildew
237
1900
183
14. Grapevine,
downy mildew
297
2376
201
15. Background
images
1235
1235
112
Total
4483
30880
2589
Figure 5. Prediction Accuracy
VII.CONCLUSION
The order of plant maladies utilizing advanced pictures is extremely testing. Profound learning
procedures, and CNNs specifically, are apparently prepared to do appropriately addressingmost of the
specialized difficulties related to plant sickness characterization. Then again, dataset constraints as far as both
number and assortment of tests despite everything forestall the rise of really thorough frameworks for plant
infection grouping. A few endeavors are in progress towards building progressively agent databases, and
information sharing is continuously turning out to be regular practice, yet the information accessible is as yet
constrained. The arrangement proposed in this examination can not just increment the size of picture datasets
fundamentally, yet can likewise expand the assorted variety of the information, as the normal inconstancy inside
each picture is in a roundabout way considered by the region into littler areas. This methodology likewise has a
few weaknesses, however it obviously prompts progressively solid outcomes in a setting of restricted
information accessibility.
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