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IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
e-ISSN: 2278-2834,p- ISSN: 2278-8735.Volume 11, Issue 1, Ver. III (Jan. - Feb .2016), PP 80-84
www.iosrjournals.org
DOI: 10.9790/2834-11128084 www.iosrjournals.org 80 | Page
A Review on Brain MRI Image Segmentation Clustering
Algorithm
Ruchita A. Banchpalliwar1
, Dr. Suresh S. Salankar2
1
Electronics and Telecommunication, G.H. Raisoni College of Engineering, Nagpur-16, MH. (INDIA)
2
Electronics and Telecommunication, G.H. Raisoni College of Engineering, Nagpur-16, MH. (INDIA)
Abstract : Currently, Magnetic Resonance Image (MRI) is one of the leading technology being used for
detecting brain tumor. Brain tumor is detecting at the advanced stages with the help of MRI image. Dia gnosing
of brain tumor from MRI is time consuming task. Segmentation of an image is an prime process to remove
suspicious region from complicated medical image. Segmentation of brain tumor in MRI image is a difficult task
because of the different intensities of an image, locations and shapes. Cluster analysis recognizes a similar
object groups and helps in locating distribution of pattern in large data sets. The prime objective of this paper is
to compare the different technique which is used for the segmentation. K-means and Fuzzy C-means clustering
techniques are compared for their better performance in segmentation. The detection brain tumor is carry out in
two stages: First stage is Preprocessing and Enhancement & Second stage is Segmentation and Classification.
Keywords: Magnetic Resonance Image (MRI), Brain Tumor, Segmentation, K-means, Fuzzy C-means.
I. Introduction
In brain tumor diagnosis, doctors combine their medical knowledge and brain magnetic resonance
imaging (MRI) scans while obtaining the nature and feature of brain tumor and to decide on treatment options.
However, in today’s MRI brain, where a huge number of MRI scans taken from every patient, manually
detecting and segmenting brain tumor. Thus, we required computer aided diagnosis of brain tumor and
segmentation from MRI image to control the difficult problems in the manual segmentation. The basic goal in
Image segmentation is the image partitioning into important region that have powerful correlation with objects
or areas of the real world contained in the image. In medical field it is used for detection of brain tumor and
other different application. The segmentation of brain tumor is achieved by using the technique such as
thresholding, region growing and clustering. The clustering task is to divide or partitioning a given data set into
groups such that the data points in a cluster are more close to each other than points in different cluster. The
most important unsupervised learning problem can be considered by clustering. In a collection of unlabeled data
it deals with to finding a structure.
Algorithms of clustering may be categorized as:
 Overlapping Clustering
 Exclusive Clustering
In the overlapping clustering, to cluster data it uses fuzzy sets, so that every point may belong to two or
more clusters with dissimilar degrees of membership. In the exclusive clustering, grouped the data in exclusive
way. Fuzzy C-means is an overlapping clustering algorithm and K means is an exclusive clustering algorithm.
The following paper organization is as follows: In section 2 the detail of literature survey is given. For
the analysis from where the data base is taken is given in section 3. In section 4 skulls is removed. In section 5
different segmentation methods are discussed.
II. Literature Survey
Bhagwat et al (2013), they exhibit that DICOM images provide effective results as compared to non
medical images. They found that time requirement of Fuzzy C means it was highest for brain tumor detection
and that for hierarchical clustering was least of three. K-means algorithm produces more correct result compared
to fuzzy c-means and hierarchical clustering.[15]
Ivana Despotovi (2013), introduced a new FCM -based method for spatially coherent and noise robust
image segmentation. 1) The spatial information of local image attribute is integrated into both the sameness
measure and the membership function to repay for the result of noise and 2) Neighbourhood, based on phase
congruency features was established to allow more reliable segmentation without image smooth ing. The
segmentation results, demonstrate that their method efficiently protect the homogeneity of the regions and is
extra robust to noise than comparable to FCM-based methods.
Maoguo Gong (2013), introduced an upgrade fuzzy C-means (FCM) algorithm for image segmentation
by introducing a kernel metric and a weighted fuzzy factor. The weighted fuzzy factor depends on the space
distance of all neighbouring pixels and their gray-level difference at the same time. The modern algorithm
A Review On Brain Mri Image Segmentation Clustering Algorithm
DOI: 10.9790/2834-11128084 www.iosrjournals.org 81 | Page
adaptively determined the parameter by using a fast bandwidth selection rule based on the distance variance of
all data points in the group of collection. The results on synthetic and real images show that the new algorithm is
powerful and well planned, and is relatively independent of any type of noise.
Charbel Fares et al (2011), measured and evaluated image segmentation algorithms. It consists of
differentiating the performance of segmentation algorithms based on three important factors: correctness,
stability with respect to image choice, and stability with respect to parameter choice.
A.Sivaramakrishnan and Dr.M.Karnan (2013) proposed brain tumor detection region from cerebral
image was done by using Fuzzy C-means clustering and histogram. It is used to calculate the intensity values of
the gray level images. By using principal component analysis the decomposition of images was done which was
used to reduce dimensionality of the wavelet co-efficient. The result of the proposed Fuzzy C-means (FCM)
clustering algorithmextracted successfully the tumor region fromMRI brain images.
Hui Zhang et al (2008), differentiate supervised evaluation and subjective methodology for segmenting
an image. Supervised evaluation and Subjective are infeasible in different application, so unsupervised methods
are important. Unsupervised analysis entitles the objective comparison of both the various segmentation
methods and various parameterizations of a single method.
III. Image Acquisition
The MRI data base of Brain Tumor has collected from Datta Meghe Institute of Medical Science,
Sawangi, and Wardha. Total 60 images have been collected.
Fig 1. Acquired Image
IV. Skull Removal
Skull stripping is a crucial part sometimes refers in MRI brain imaging applications as a pre-process
which refers to the removal of brain non-cerebral tissues. By thresholding the grayscale image is converted to
binary image. The output image BW replaces all pixels in the input image is greater than threshold with the
value 1 and replaces all other value with 0 .where 1 stands for white and 0 stands for black.
Fig 2.Original Image Fig 3.Skull Removed Image
V. Segmentation Method
Segmentation of an Image is the method which is used for dividing an image into its homogeneous or
constituent regions. Segmentations change in an image or simplifiers the representation of an image into
something that is meaningful and easy to analyze. Segmentation of an image is mostly used to detect boundaries
and objects. It provides additional information about the contents of an image by recognizing regions and edges
of near about same color, intensity and texture.
Different methods used for image segmentation. Most Commonly used are thresholding, region
growing, classifier, artificial neural networks, clustering.
Thresholding
One of the oldest methods for image segmentation is thresholding. It is method which is used
separating pixels in different classes which depending on their gray levels pixels. An intensity value decided by
thresholding method, called the threshold. The desired classes are separated. By taking threshold value the
segmentation is achieved. Pixels are grouping with intensity greater than the threshold considerable into one
class and remaining pixels grouping into another class, based on threshold value. The major disadvantage is that,
in the simplest form only two classes can be formed and it cannot be applied to multichannel images. Image
having only two values either black or white, in thresholding technique. The grey values 0 to 255 contains MR
image. So, the thresholding of brain MRI ignore the tumor cells.
A Review On Brain Mri Image Segmentation Clustering Algorithm
DOI: 10.9790/2834-11128084 www.iosrjournals.org 82 | Page
Region Growing
Region growing method is a well improved technique for image segmentation. This method extracts
image region Based on some predefined criteria which is based on intensity in the image information or edges .
An operator randomly selects a seed point and remove all pixels that are connected to the initial seed which is
based on some predefined criteria. Region growing algorithm is related to an algorithm which is called as split-
and-merge, but there is no need of seed point. Region growing can also be delicate to noise, causing to remove
regions having holes or even become separated. By using a homotopic region-growing algorithm, these
problems can be removed.
Classifier
Classifier or supervised methods are pattern identification techniques that segment a feature which is
space derived from the image by using data with known labels. A basic classifier is the nearest-neighbour
classifier, in which each and every pixel is classified in the same class as the training with the closest intensity
value. The k-nearest-neighbour classifier is a generalization of this approach, which is considered a
nonparametric classifier as it makes no underlying belief about the statistical structure.
Artificial Neural Networks
Artificial neural networks (ANNs) are equivalent networks of nodes or processing elements that
simulate biological learning. In an ANN each node is capable of performing computations. Learning is achieved
through the adaptation of weights which is appoint to the connections between nodes. As a classifier it is
frequently used in medical imaging in which by using training data the weights are decided. For the
segmentation of new data artificial neural network is used. Sometimes it uses as a clustering in an unsupervised
method.
Clustering
Clustering can be determined as the procedure of organizing objects into groups whose members are
homogeneous in some manner. They usually performs as classifiers without using training data., This iteratively
rotate between segmenting the image and characterizing the properties of each class is used to compensate for
the lack of training data. There are two most commonly used algorithms in clustering: k-means algorithm and
FCM algorithm.
The K-Means Algorithm
K-Means clustering forms a specific number of flat, disjoint clusters. For the generating globular
clusters it is well suited. This method is numerical, non-deterministic, unsupervised, and iterative. K-Means are
i)every time K clusters, ii) at least one item in each cluster are always present, iii) non-hierarchical and they do
not overlap, iv)Each member of a cluster is closer than any other cluster as their closeness does not always
need the clusters of centers.
Fig 4. Code for K-means Fig 5. The K-means algorithm
Fuzzy C-Means Algorithm
The use of a clustering analysis is to split a given objects into a cluster or set of data, which shows a
group or subsets. The dividing or partitioning should have two ways one is the homogeneity inside clusters data,
which belongs to the one cluster, should be as identical as realizable and one more is heterogeneity in between
the clusters data, which belongs to dissimilar clusters, should be as dissimilar as possible. The actual data
distribution in the input and the output do not replicate the membership function. They may not be suitable for
A Review On Brain Mri Image Segmentation Clustering Algorithm
DOI: 10.9790/2834-11128084 www.iosrjournals.org 83 | Page
fuzzy pattern recognition. From the data present to generate membership function, a clustering technique is used
to split the data, and then produce membership functions from the resulting clustering. It is an improvement
version of earlier clustering methods.
Fig 6.Code for FCM Fig 7. Fuzzy Clusters
VI. Time And Accuracy Comparison
In order to partitioning the tumor and non tumor pixels the MRI test image is segmented by applying
the segmentation algorithm. Image has to give accuracy high accuracy in organization to better performance
analysis. The partitioning tumor pixels are considered as True positive Clusters. If non tumor pixels segmented,
those pixels are considered as True negative clusters. During this process of segmentation, if tumor pixels are
not segmented properly, those mixed pixels are considered as False positive clusters. By using MATLAB
programming language this was implemented on a computer. The K-means & Fuzzy C means algorithm was
implemented. The parameter such as time and accuracy are calculated for both the techniques. Table 1 shows
the comparison of both the algorithm K-means and Fuzzy C-means.
Method Average Time in sec Segmentation Accuracy(%)
K-means 0.1746 82.33
Fuzzy C means 3.6435 92.67
Table 1: Comparison of K means and Fuzzy C means algorithm
VII. Conclusion
This paper compares K-means and Fuzzy C means clustering image segmentation algorithm. The time
required of FCM is greater than K-means. Thus FCM is more suitable for application where accuracy is more
important than timing as in the medical diagnosis. Though FCM have greater accuracy but it is still less. So, to
increase this segmentation accuracy we can use the optimization technique.
References
[1] Mrs.Bharati R. Jipkate, Dr. Mrs.V.V.Gohokar “A Comparative Analysis of Fuzzy C-means Clustering and K means Clustering
Algorithms”, International Journal Of Computational Engineering Research / ISSN:2250-300
[2] Purnita Majumder, V.P.Kshirsagar, “Brain Tumor Segmentation and Stage Detection in Brain MR Images using K AMS EM
Algorithm”, International Journal of Computer Applications(0975-8887)Volume 95-No.24,June 2014
[3] Rastgarpour M., And Shanbehzadeh J., Application Of Ai Techniques In Medical Image Segmentation And Novel Categorization
Of Available Methods And Tools, Proceedings Of The International Multiconference Of Engineers And Computer Scientists 2011
Vol I, Imecs 2011,March 16-18, 2011, Hongkong
[4] .Zhang, Y. J, An Overview Of Image And Video Segmentation In The Last 40 Years, Proceedings Of The 6th Internat ional
Symposium On Signal Processing And Its Applications,Pp. 144-151, 2001.
[5] Wahba Marian, An Automated Modified Region Growing Technique For Prostate Segmentation In Trans-Rectal Ultrasound
Images, Master‟s Thesis, Department Of Electrical And Computer Engineering, University Of Waterloo, Waterloo, Ontario,
Canada, 2008.
[6] W. X. Kang, Q. Q. Yang, R. R. Liang,“The Comparative Research On Image Segmentation Algorithms”, Ieee Conference On Etcs,
Pp. 703-707, 2009.
[7] N. R. Pal, S. K.Pal,“A Review On Image Segmentation Techniques”, Pattern Recognition, Vol. 26, No. 9,Pp.1277- 1294, 1993.
[8] H. Zhang, J. E. Fritts, S. A. Goldman,“Image Segmentation Evaluation: A Survey Of Unsupervised Methods”, Computer Vision
And Image Understanding, Pp. 260-280, 2008
[9] L.Aurdal,“Image Segmentation BeyondThresholding”, Norsk Regnescentral, 2006.
[10] Y. Chang, X. Li,“Adaptive Image Region Growing”, IeeeTrans. On Image Processing, Vol. 3, No. 6, 1994.
[11] K. Dehariya, S. K. Shrivastava, R. C. Jain,“Clustering Of Image Data Set Using K-Means And Fuzzy Kmeans Algorithms”,
International Conference On Cicn,Pp.386- 391, 2010
[12] Z. B. Chen, Q. H. Zheng, T. S. Qiu, Y. Liu. A New Method For Medical Ultrasonic Image Segmentation.Chinese Journal Of
Biomedical Engineering.2006, 25(6),Pp.650-655.
[13] A.Sivaramakrishnan And Dr.M.Karnan “A Novel Based Approach For Extraction Of Brain Tumor In Mri Images Using Soft
ComputingTechniques”, International Journal Of Advanced Research In Computer And Communication Engineering, Vol. 2, Issue
4, April 2013.
A Review On Brain Mri Image Segmentation Clustering Algorithm
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[14] K.Selvanayaki, Dr.P.Kalugasalam Intelligent Brain Tumor Tissue Segmentation From Magnetic Resonance Image (Mri) Using
Meta Heuristic Algorithms Journal Of Global Research In Computer Science Volume 4, No. 2, February 2013
[15] Kshitij Bhagwat, Dhanshri More, Sayali Shinde, Akshay Daga, Assistant Prof. Rupali Tornekar, “ Comparative Study Of Brain
Tumor Detection Using K Means ,Fuzzy C Means And Hierarchical Clustering Algorithms ” International Journal Of Scientific &
Engineering Research , Volume 2,Issue 6,June 2013,Pp 626-632.
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[17] Tahir Sag Mehmet Cunkas, “Development Of Image Segmantation Techniques Using Swarm Intelligence”,Iccit 2012
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K011138084

  • 1. IOSR Journal of Electronics and Communication Engineering (IOSR-JECE) e-ISSN: 2278-2834,p- ISSN: 2278-8735.Volume 11, Issue 1, Ver. III (Jan. - Feb .2016), PP 80-84 www.iosrjournals.org DOI: 10.9790/2834-11128084 www.iosrjournals.org 80 | Page A Review on Brain MRI Image Segmentation Clustering Algorithm Ruchita A. Banchpalliwar1 , Dr. Suresh S. Salankar2 1 Electronics and Telecommunication, G.H. Raisoni College of Engineering, Nagpur-16, MH. (INDIA) 2 Electronics and Telecommunication, G.H. Raisoni College of Engineering, Nagpur-16, MH. (INDIA) Abstract : Currently, Magnetic Resonance Image (MRI) is one of the leading technology being used for detecting brain tumor. Brain tumor is detecting at the advanced stages with the help of MRI image. Dia gnosing of brain tumor from MRI is time consuming task. Segmentation of an image is an prime process to remove suspicious region from complicated medical image. Segmentation of brain tumor in MRI image is a difficult task because of the different intensities of an image, locations and shapes. Cluster analysis recognizes a similar object groups and helps in locating distribution of pattern in large data sets. The prime objective of this paper is to compare the different technique which is used for the segmentation. K-means and Fuzzy C-means clustering techniques are compared for their better performance in segmentation. The detection brain tumor is carry out in two stages: First stage is Preprocessing and Enhancement & Second stage is Segmentation and Classification. Keywords: Magnetic Resonance Image (MRI), Brain Tumor, Segmentation, K-means, Fuzzy C-means. I. Introduction In brain tumor diagnosis, doctors combine their medical knowledge and brain magnetic resonance imaging (MRI) scans while obtaining the nature and feature of brain tumor and to decide on treatment options. However, in today’s MRI brain, where a huge number of MRI scans taken from every patient, manually detecting and segmenting brain tumor. Thus, we required computer aided diagnosis of brain tumor and segmentation from MRI image to control the difficult problems in the manual segmentation. The basic goal in Image segmentation is the image partitioning into important region that have powerful correlation with objects or areas of the real world contained in the image. In medical field it is used for detection of brain tumor and other different application. The segmentation of brain tumor is achieved by using the technique such as thresholding, region growing and clustering. The clustering task is to divide or partitioning a given data set into groups such that the data points in a cluster are more close to each other than points in different cluster. The most important unsupervised learning problem can be considered by clustering. In a collection of unlabeled data it deals with to finding a structure. Algorithms of clustering may be categorized as:  Overlapping Clustering  Exclusive Clustering In the overlapping clustering, to cluster data it uses fuzzy sets, so that every point may belong to two or more clusters with dissimilar degrees of membership. In the exclusive clustering, grouped the data in exclusive way. Fuzzy C-means is an overlapping clustering algorithm and K means is an exclusive clustering algorithm. The following paper organization is as follows: In section 2 the detail of literature survey is given. For the analysis from where the data base is taken is given in section 3. In section 4 skulls is removed. In section 5 different segmentation methods are discussed. II. Literature Survey Bhagwat et al (2013), they exhibit that DICOM images provide effective results as compared to non medical images. They found that time requirement of Fuzzy C means it was highest for brain tumor detection and that for hierarchical clustering was least of three. K-means algorithm produces more correct result compared to fuzzy c-means and hierarchical clustering.[15] Ivana Despotovi (2013), introduced a new FCM -based method for spatially coherent and noise robust image segmentation. 1) The spatial information of local image attribute is integrated into both the sameness measure and the membership function to repay for the result of noise and 2) Neighbourhood, based on phase congruency features was established to allow more reliable segmentation without image smooth ing. The segmentation results, demonstrate that their method efficiently protect the homogeneity of the regions and is extra robust to noise than comparable to FCM-based methods. Maoguo Gong (2013), introduced an upgrade fuzzy C-means (FCM) algorithm for image segmentation by introducing a kernel metric and a weighted fuzzy factor. The weighted fuzzy factor depends on the space distance of all neighbouring pixels and their gray-level difference at the same time. The modern algorithm
  • 2. A Review On Brain Mri Image Segmentation Clustering Algorithm DOI: 10.9790/2834-11128084 www.iosrjournals.org 81 | Page adaptively determined the parameter by using a fast bandwidth selection rule based on the distance variance of all data points in the group of collection. The results on synthetic and real images show that the new algorithm is powerful and well planned, and is relatively independent of any type of noise. Charbel Fares et al (2011), measured and evaluated image segmentation algorithms. It consists of differentiating the performance of segmentation algorithms based on three important factors: correctness, stability with respect to image choice, and stability with respect to parameter choice. A.Sivaramakrishnan and Dr.M.Karnan (2013) proposed brain tumor detection region from cerebral image was done by using Fuzzy C-means clustering and histogram. It is used to calculate the intensity values of the gray level images. By using principal component analysis the decomposition of images was done which was used to reduce dimensionality of the wavelet co-efficient. The result of the proposed Fuzzy C-means (FCM) clustering algorithmextracted successfully the tumor region fromMRI brain images. Hui Zhang et al (2008), differentiate supervised evaluation and subjective methodology for segmenting an image. Supervised evaluation and Subjective are infeasible in different application, so unsupervised methods are important. Unsupervised analysis entitles the objective comparison of both the various segmentation methods and various parameterizations of a single method. III. Image Acquisition The MRI data base of Brain Tumor has collected from Datta Meghe Institute of Medical Science, Sawangi, and Wardha. Total 60 images have been collected. Fig 1. Acquired Image IV. Skull Removal Skull stripping is a crucial part sometimes refers in MRI brain imaging applications as a pre-process which refers to the removal of brain non-cerebral tissues. By thresholding the grayscale image is converted to binary image. The output image BW replaces all pixels in the input image is greater than threshold with the value 1 and replaces all other value with 0 .where 1 stands for white and 0 stands for black. Fig 2.Original Image Fig 3.Skull Removed Image V. Segmentation Method Segmentation of an Image is the method which is used for dividing an image into its homogeneous or constituent regions. Segmentations change in an image or simplifiers the representation of an image into something that is meaningful and easy to analyze. Segmentation of an image is mostly used to detect boundaries and objects. It provides additional information about the contents of an image by recognizing regions and edges of near about same color, intensity and texture. Different methods used for image segmentation. Most Commonly used are thresholding, region growing, classifier, artificial neural networks, clustering. Thresholding One of the oldest methods for image segmentation is thresholding. It is method which is used separating pixels in different classes which depending on their gray levels pixels. An intensity value decided by thresholding method, called the threshold. The desired classes are separated. By taking threshold value the segmentation is achieved. Pixels are grouping with intensity greater than the threshold considerable into one class and remaining pixels grouping into another class, based on threshold value. The major disadvantage is that, in the simplest form only two classes can be formed and it cannot be applied to multichannel images. Image having only two values either black or white, in thresholding technique. The grey values 0 to 255 contains MR image. So, the thresholding of brain MRI ignore the tumor cells.
  • 3. A Review On Brain Mri Image Segmentation Clustering Algorithm DOI: 10.9790/2834-11128084 www.iosrjournals.org 82 | Page Region Growing Region growing method is a well improved technique for image segmentation. This method extracts image region Based on some predefined criteria which is based on intensity in the image information or edges . An operator randomly selects a seed point and remove all pixels that are connected to the initial seed which is based on some predefined criteria. Region growing algorithm is related to an algorithm which is called as split- and-merge, but there is no need of seed point. Region growing can also be delicate to noise, causing to remove regions having holes or even become separated. By using a homotopic region-growing algorithm, these problems can be removed. Classifier Classifier or supervised methods are pattern identification techniques that segment a feature which is space derived from the image by using data with known labels. A basic classifier is the nearest-neighbour classifier, in which each and every pixel is classified in the same class as the training with the closest intensity value. The k-nearest-neighbour classifier is a generalization of this approach, which is considered a nonparametric classifier as it makes no underlying belief about the statistical structure. Artificial Neural Networks Artificial neural networks (ANNs) are equivalent networks of nodes or processing elements that simulate biological learning. In an ANN each node is capable of performing computations. Learning is achieved through the adaptation of weights which is appoint to the connections between nodes. As a classifier it is frequently used in medical imaging in which by using training data the weights are decided. For the segmentation of new data artificial neural network is used. Sometimes it uses as a clustering in an unsupervised method. Clustering Clustering can be determined as the procedure of organizing objects into groups whose members are homogeneous in some manner. They usually performs as classifiers without using training data., This iteratively rotate between segmenting the image and characterizing the properties of each class is used to compensate for the lack of training data. There are two most commonly used algorithms in clustering: k-means algorithm and FCM algorithm. The K-Means Algorithm K-Means clustering forms a specific number of flat, disjoint clusters. For the generating globular clusters it is well suited. This method is numerical, non-deterministic, unsupervised, and iterative. K-Means are i)every time K clusters, ii) at least one item in each cluster are always present, iii) non-hierarchical and they do not overlap, iv)Each member of a cluster is closer than any other cluster as their closeness does not always need the clusters of centers. Fig 4. Code for K-means Fig 5. The K-means algorithm Fuzzy C-Means Algorithm The use of a clustering analysis is to split a given objects into a cluster or set of data, which shows a group or subsets. The dividing or partitioning should have two ways one is the homogeneity inside clusters data, which belongs to the one cluster, should be as identical as realizable and one more is heterogeneity in between the clusters data, which belongs to dissimilar clusters, should be as dissimilar as possible. The actual data distribution in the input and the output do not replicate the membership function. They may not be suitable for
  • 4. A Review On Brain Mri Image Segmentation Clustering Algorithm DOI: 10.9790/2834-11128084 www.iosrjournals.org 83 | Page fuzzy pattern recognition. From the data present to generate membership function, a clustering technique is used to split the data, and then produce membership functions from the resulting clustering. It is an improvement version of earlier clustering methods. Fig 6.Code for FCM Fig 7. Fuzzy Clusters VI. Time And Accuracy Comparison In order to partitioning the tumor and non tumor pixels the MRI test image is segmented by applying the segmentation algorithm. Image has to give accuracy high accuracy in organization to better performance analysis. The partitioning tumor pixels are considered as True positive Clusters. If non tumor pixels segmented, those pixels are considered as True negative clusters. During this process of segmentation, if tumor pixels are not segmented properly, those mixed pixels are considered as False positive clusters. By using MATLAB programming language this was implemented on a computer. The K-means & Fuzzy C means algorithm was implemented. The parameter such as time and accuracy are calculated for both the techniques. Table 1 shows the comparison of both the algorithm K-means and Fuzzy C-means. Method Average Time in sec Segmentation Accuracy(%) K-means 0.1746 82.33 Fuzzy C means 3.6435 92.67 Table 1: Comparison of K means and Fuzzy C means algorithm VII. Conclusion This paper compares K-means and Fuzzy C means clustering image segmentation algorithm. The time required of FCM is greater than K-means. Thus FCM is more suitable for application where accuracy is more important than timing as in the medical diagnosis. Though FCM have greater accuracy but it is still less. So, to increase this segmentation accuracy we can use the optimization technique. References [1] Mrs.Bharati R. Jipkate, Dr. Mrs.V.V.Gohokar “A Comparative Analysis of Fuzzy C-means Clustering and K means Clustering Algorithms”, International Journal Of Computational Engineering Research / ISSN:2250-300 [2] Purnita Majumder, V.P.Kshirsagar, “Brain Tumor Segmentation and Stage Detection in Brain MR Images using K AMS EM Algorithm”, International Journal of Computer Applications(0975-8887)Volume 95-No.24,June 2014 [3] Rastgarpour M., And Shanbehzadeh J., Application Of Ai Techniques In Medical Image Segmentation And Novel Categorization Of Available Methods And Tools, Proceedings Of The International Multiconference Of Engineers And Computer Scientists 2011 Vol I, Imecs 2011,March 16-18, 2011, Hongkong [4] .Zhang, Y. J, An Overview Of Image And Video Segmentation In The Last 40 Years, Proceedings Of The 6th Internat ional Symposium On Signal Processing And Its Applications,Pp. 144-151, 2001. [5] Wahba Marian, An Automated Modified Region Growing Technique For Prostate Segmentation In Trans-Rectal Ultrasound Images, Master‟s Thesis, Department Of Electrical And Computer Engineering, University Of Waterloo, Waterloo, Ontario, Canada, 2008. [6] W. X. Kang, Q. Q. Yang, R. R. Liang,“The Comparative Research On Image Segmentation Algorithms”, Ieee Conference On Etcs, Pp. 703-707, 2009. [7] N. R. Pal, S. K.Pal,“A Review On Image Segmentation Techniques”, Pattern Recognition, Vol. 26, No. 9,Pp.1277- 1294, 1993. [8] H. Zhang, J. E. Fritts, S. A. Goldman,“Image Segmentation Evaluation: A Survey Of Unsupervised Methods”, Computer Vision And Image Understanding, Pp. 260-280, 2008 [9] L.Aurdal,“Image Segmentation BeyondThresholding”, Norsk Regnescentral, 2006. [10] Y. Chang, X. Li,“Adaptive Image Region Growing”, IeeeTrans. On Image Processing, Vol. 3, No. 6, 1994. [11] K. Dehariya, S. K. Shrivastava, R. C. Jain,“Clustering Of Image Data Set Using K-Means And Fuzzy Kmeans Algorithms”, International Conference On Cicn,Pp.386- 391, 2010 [12] Z. B. Chen, Q. H. Zheng, T. S. Qiu, Y. Liu. A New Method For Medical Ultrasonic Image Segmentation.Chinese Journal Of Biomedical Engineering.2006, 25(6),Pp.650-655. [13] A.Sivaramakrishnan And Dr.M.Karnan “A Novel Based Approach For Extraction Of Brain Tumor In Mri Images Using Soft ComputingTechniques”, International Journal Of Advanced Research In Computer And Communication Engineering, Vol. 2, Issue 4, April 2013.
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