Performance Prediction Model for National Level Examinations
Research Paper | Journal Paper
Vol.06 , Issue.04 , pp.292-297, May-2018
Abstract
In the recent years, usage of data mining techniques to statistically analyze the performance of candidates in academics or national level examinations is in increase. The development of predictive analytics tools and their applications are also in the rise. This paper reports on the mechanism of the proposed prediction model that predicts the performance of a candidate appearing for national level examinations. The proposed Performance Prediction Model (PPM) is designed as a framework comprising of data classification and ranking of dataset, computation of correlation coefficient that measures the dependency among the variables and prediction using linear regression. The performance of PPM is validated on UGC-NET (2016) dataset. Based on the observed correlation between Paper-II and Paper-III marks, PPM predicts the score of a candidate in Paper-III with reference to the scored marks in Paper-II. The accuracy of the predicted data is recorded as 88 per cent. The illustrative visualizations presented in this article depict the performance analysisof the candidates in Paper-I, Paper-II and Paper-III.
Key-Words / Index Term
Performance Prediction Model (PPM), Classification, Ranking, Correlation Coefficient, Linear Regression Model.
References
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Citation
P. Shanmugavadivu, P. Haritha, Ashish Kumar, "Performance Prediction Model for National Level Examinations", International Journal of Computer Sciences and Engineering, Vol.06, Issue.04, pp.292-297, 2018.
Brain Portion Extraction Scheme using Region Growing and Morphological Operation from MRI of Human Head Scans
Research Paper | Journal Paper
Vol.06 , Issue.04 , pp.298-302, May-2018
Abstract
In this paper, we propose a brain portion extraction method using single seeded region growing technique and morphological operations. Segmentation requires initial seed point selection, which increases computational cost and execution time. To overcome these problems a single seeded region growing method for image segmentation is proposed. Starts by selecting a seed point at center pixel within the image as the initial seed and grow regions to extract brain portion in Magnetic resonance image. Brain portion is iteratively grown by comparing all unallocated neighbouring pixels to the region. Finally Morphological operations erosion, dilation, and holes filling are performed to extract the fine brain. The performance of the method is estimated using the Jaccard and Dice similarity coefficients. Proposed method was tested with IBSR of brain images and had accurately segmented the brain regions which are better than the existing methods such as Brain Extraction Tool (BET), Brain Surface Extractor (BSE).
Key-Words / Index Term
Brain Extraction,Image Segmentation,Single seeded region growing,Morphological operations
References
[1] Park G. and Lee C., “Skull Stripping Based on Region Growing for Magnetic Resonance Images,” NeuroImage, vol. 47, no. 4, pp. 13941407, 2009.
[2] Somasundaram K. and Kalavathi P., “Analysis of Imaging Artifacts in MR Brain Images,” Oriental Journal of Computer Science and Technology, vol. 5, no. 1, pp. 135-141, 2012.
[3] Somasundaram K. and Kalavathi P., “A Novel Skull Stripping Technique for T1weighted MRI Human Head Scans,” in Proceeding of the Eighth Indian Conference on Computer Vision, Graphics and Image Processing, Mumbai, pp. 1-8, 2012.
[4] Somasundaram K. and Kalavathi P., “Brain Tissue Segmentation in MR Brain Images using Otsu’s Multiple Thresholding Technique,” in Proceeding of International Conference on Computer Science and Education, Colombo, pp. 639-642, 2013.
[5] R.C. Gonzalez, and R.E. Woods, Digital Image Processing, Addison-Wesley Publishing Company, 1992
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[10] Park, G.J and Lee, C.Skull stripping based on region growing for magnetic resonance Images. NeuroImage, 2009, 47, 1394-1407.
[11] Somasundaram, K.and Kalavathi, P.Contour-based brain segmentation method for Magnetic resonance imaging human head scans J.Comput.Assist.Tomogr,.2013 37,353- 368.
[12] Justice, R.K.,Stokely,E.M.,3-D Segmentation of MR brain images using seeded region Growing ,IEEE International Conference on Bridging Disciplines for Biomedicine.1996.
[13] Om Prakash Verma et al, A Simple Single Seeded Region Growing Algorithm for Colour Image Segmentation using Adaptive Thresholding.2011 International Conference On Communication Systems and Network Technologies.
[14] http://pdfs.semanticscholar.org/e150/02bbcfe0c 3ee5f0202cb6125e2c3e4124.Pdf.
[15] http://www.ijctee.org/files/VOLUME2ISSUE1/ IJCTEE_0212_18.pdf.
[16] Jun Tang, A Color Image Segmentation algorithm based on Region Growing, China School of Electronic Engineering 2010.
Citation
K.Somasundaram, J.Helen Mercina, S. Magesh, T. Kalaiselvi, "Brain Portion Extraction Scheme using Region Growing and Morphological Operation from MRI of Human Head Scans", International Journal of Computer Sciences and Engineering, Vol.06, Issue.04, pp.298-302, 2018.
Brain Portion Extraction Scheme Using Chan - Vese and Morphological Operation from MRI of Human Head Scans
Research Paper | Journal Paper
Vol.06 , Issue.04 , pp.303-307, May-2018
Abstract
In this research article, a novel segmentation technique to extract the brain portion from Magnetic Resonance Image (MRI) of human head scans based on Chan – Vese and Morphological Operations is proposed. First we extracted the rough brain portion using Chan – Vese method and the applying the morphological Operations to segment the fine brain portion. The initial Contour is drawn at the brain image and then propagated to achieve the boundary of the brain image. Then using morphological operation like Erosion and Dilation, the remaining portions were segmented. Comparison of the numerical results obtained from the extracted images, with the standard manual skull stripping gold images and significant results are presented here. The performance of the method is estimated using the Jaccard and Dice similarity Coefficients. The IBSR datasets of brain images are used to evaluate the efficiency of the proposed method and the results shown that which are better than the existing methods such as Brain Surface Extractor (BSE) and Brain Extraction Tool (BET).
Key-Words / Index Term
Brain Extraction,Image Segmentation,Magnetic Ressonance Image (MRI),Chan - Vese,Morphological operations
References
[1] Eskildsen S., Coupe P., Fonov V., Manjón J., Leung K., Guizard N., Wassef S., Ostergaard L., and Collins D., “BEaST: Brain Extraction Based on Non-Local Segmentation Technique,” NeuroImage, vol. 59, no. 3, pp. 2362-2373, 2012.
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[3] Smith S., “Fast Robust Automated Brain Extraction,” Human Brain Mapping, vol. 17, no. 3, pp. 143-155, 2002.
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[5] Park G. and Lee C., “Skull Stripping Based on Region Growing for Magnetic Resonance Images,” NeuroImage, vol. 47, no. 4, pp. 13941407, 2009.
[6] Sadananthan A., Zheng W., Chee W., and Zagorodnov V., “Skull Stripping using Graph Cuts,” NeuroImage, vol. 49, no. 1, pp. 225-239, 2010.
[7] Somasundaram K. and Kalavathi P., “Medical Image Contrast Enhancement based on Gamma Correction,” International Journal of Knowledge Management and E-Learning, vol. 3, no. 1, pp. 15-18, 2011.
[8] Somasundaram K. and Kalavathi P., “Medical Image Binarization using Square wave Representation,” Control Computation and Information System, vol. 140, no. 2, pp. 152-158, 2011
[9] Somasundaram K. and Kalavathi P., “Analysis of Imaging Artifacts in MR Brain Images,” Oriental Journal of Computer Science and Technology, vol. 5, no. 1, pp. 135-141, 2012.
[10] Somasundaram K. and Kalavathi P., “ContourBased Brain Segmentation Method for Magnetic Resonance Imaging Human Head Scans,” Journal of Computer Assisted Tomography, vol. 37, no. 3, pp. 353-368, 2013.
[11] Somasundaram K. and Kalavathi P., “A Novel Skull Stripping Technique for T1weighted MRI Human Head Scans,” in Proceeding of the Eighth Indian Conference on Computer Vision, Graphics and Image Processing, Mumbai, pp. 1-8, 2012.
[12] Somasundaram K. and Kalavathi P., “Brain Tissue Segmentation in MR Brain Images using Otsu’s Multiple Thresholding Technique,” in Proceeding of International Conference on Computer Science and Education, Colombo, pp. 639-642, 2013.
[13] Somasundaram K. and Kalavathi P., “Skull Stripping of MRI Head Scans based on Chan – Vese Active Contour Model,” in Proceeding International Journal of Knowledge Management & e-Learning, Vol.3 , No. 1 , January-June 2011 , pp. 7-14.
[14] Somasundaram K. and Kalavathi P., “Segmentation of Brain from MRI Head Images Using Modified Chan-Vese Active Contour Model,” in Proceeding The International Arab Journal of Information Technology, Vol. 13, No. 6A, 2016.
[15] R.C. Gonzalez, and R.E. Woods, Digital Image Processing, Addison-Wesley Publishing Company, 1992
Citation
K. Somasundaram, R. Yashaswini, S. Magesh, T. Kalaiselvi, "Brain Portion Extraction Scheme Using Chan - Vese and Morphological Operation from MRI of Human Head Scans", International Journal of Computer Sciences and Engineering, Vol.06, Issue.04, pp.303-307, 2018.
Lossless Data Hiding Based on Adjacency Pixel Differences
Research Paper | Journal Paper
Vol.06 , Issue.04 , pp.308-312, May-2018
Abstract
Image steganography has become a vibrant research area due to increase in digital image transmission over untrusted network. Generally, after recovering the hidden data from a stego image, the host image data cannot be reconstructed perfectly. This is a main challenge for applications demanding lossless host image recovery. In this paper, a new lossless reversible data hiding technique is proposed based on differences of adjacent pixels for embedding data and has more hiding capacity compared to existing methods. The number of hiding bits that can be embedded into an image equals the number of pixels related with the peak point. The performance of the algorithm has been evaluated with hiding capacity and peak signal to noise ratio (dB). The experimental results show that the host image and hidden information can be exactly retrieved from the stego image.
Key-Words / Index Term
Reversible data hiding, Lossless reconstruction, Information security
References
[1] I. J. Cox, J. Kilian, T. Leighton, and T. Shamoon, “Secure spread spectrum watermarking for multimedia,” in IEEE Trans. on Image Processing, vol. 6. No. 12, pp. 1673-1687, Dec. 1997.
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[4] M. Goljan, J. Fridrich, and R. Du, “Distortion-free data embedding,” Proceedings of 4th Information Hiding Workshop, pp. 27-41, Pittsburgh, PA, April, 2001.
[5] Jun Tian, "Reversible data embedding using a difference expansion," in IEEE Transactions on Circuits and Systems for Video Technology, vol. 13, no. 8, pp. 890-896, Aug. 2003.
[6] M.MaryShanthi Rani and K.Rosemary Euphrasia, ”Data Security Through QR Code Encryption and Steganography”, Advanced Computing: An International Journal (ACIJ), Vol.7, No.1/2,pp.1-7 March 2016.
[7] M. Mary Shanthi Rani and K.Rosemary Euphrasi, ”A Comparative Study On Video Steganography in Spatial and IWT Domain”, International Conference on Advances in Computer Applications,2016
[8] K. A. Navas, S. Archana Thampy, and M. Sasikumar “EPR Hiding In Medical Images for Telemedicine” International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering Vol: 2, No: 2, 2008.
[9] M.Maryshanthi Rani, S.Lakshmanan, “An Integrated Method of Data Hiding and Compression of Medical Images” International Journal of Advanced Information Technology (IJAIT) Vol. 6, No. 1, February 2016
[10] M.MaryShanthi Rani and S.Lakshmanan, ”Region Based Data Hiding in Medical Images”,International Journal of Advanced Research in Computer Science,vol.8 ,No.3 March – April 2017
[11] M.MaryShanthi Rani, G.Germine Mary and K.RosemaryEuphrasia “Multilevel multimedia security by Integrating Visual Cryptography and Stegnography Techniques”, Computational intelligence, Cyber Security and Computational Models. Advances in Intelligent Systems and Computing, vol.412, pp.403-412, December, 2015.
[12] C Nagaraju and S S ParthaSarath, “Embedding ECG and patient information in medical images” IEEE International Conference on Recent Advances and Innovations in Engineering (ICRAIE-2014), May 09-11, 2014, Jaipur, India.
[13] Mohit Gupta, Praveen, Kr. Tripathi, “Data Hiding Using Blind Algorithm of Steganography”, International Journal for Research in Applied Science & Engineering Technology, Vol. 4, Issue IX, Sep 2016.
[14] M.MaryShanthi Rani and G.Germine Mary, “Compression of VC Shares”, International Journal of Computational Science and Information Technology (IJCSITY), Vol.4, Issue.1, pp.57-65, February 2016.
[15] Mary Shanthi Rani, M. Germine Mary, G. and Rosemary Euphrasia,K. “High level Multimedia Security by incorporating Steganography and Visual Cryptography” International Journal of Innovations &Advancement in Computer Science IJIACS - ISSN 2347 – 8616 Volume 4, Special Issue September 2015.
[16] Anupriya Sohaland Dr.Lalita Bhutani, ‘Unique Steganography Technique Using Wavelet Transform and Neural Network”, International Journal of Latest Trends in Engineering and Technology, vol .5,Issue 1,jan 2015.
[17] E Divya and P Raj Kumar, "Steganographic Data Hiding using Modified APSO", International Journal of Intelligent Systems and Applications (IJISA), Vol.8, Issue.7, pp.37-45, 2016.
[18] M. Mary Shanthi Rani and K.Rosemary Euphrasia, “Dynamic Hiding of message in RGB Domain based on Random Channel Indicator”, International Journal of Applied Engineering Research, Vol.10, Issue.76, pp.478-483, 2015.
[19] P.Thiyagarajan, V. Natarajan, G. Aghila, V. PrasannaVenkatesan and R. Anitha, “Pattern Based 3D Image Steganography”, 3D Research, Springer, Vol.4, Issue.1, pp.1-8, 2013
[20] M.Mary Shanthi Rani, S.Lakshmanan and P.Saranya, “Video Steganography using Mid-Prime and Discrete Wavelet Technique”, International Journal of Computer Engineering and Applications, Vol. 11, Issue 8, pp.180-190, August 17.
[21] M.Mary Shanthi Rani, S.Lakshmanan and G.Deepalakshmi, “Video Steganography using Mid-Point Circle Algorithm and Spatial Domain Technique”, International Journal of Engineering and Techniques, Vol. 4 Issue. 1, Jan – Feb 2018.
[22] Z.Ni, Y.-Q.Shi, N. Ansari, W. Su, “Reversible data hiding”, IEEE Trans. Circuits Syst. Video Technol. 16 (2006) 354–362.
[23] Rajkumar Ramaswamy and Vasuki Arumugam, “Lossless Data Hiding Based on Histogram Modification”, Int. Arab J. Inf. Technol. 9 (2012) 445–451.
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[25] R.Anushia devi, Padmapriya Praveenkumar, John bosco Balaguru Rayappan and Rengarajan amirtharajan, ‘Reversible Secret Data Hiding Based on Adjacency Pixel Difference, Journal if artificial Intelligence, Vol.10 Issue. 1 pp.22-31, 2017.
Citation
S. Lakshmanan, M. Mary Shanthi Rani, "Lossless Data Hiding Based on Adjacency Pixel Differences", International Journal of Computer Sciences and Engineering, Vol.06, Issue.04, pp.308-312, 2018.
A Hybrid Lossless Encoding Method for Compressing Multispectral Images using LZW and Arithmetic Coding
Research Paper | Journal Paper
Vol.06 , Issue.04 , pp.313-318, May-2018
Abstract
Most of the remote sensing images are multispectral image where these images are acquired in the form of several bands that constitute a spectral direction. As large amount of data is represented by multispectral image, a lot of memory space is needed for storage and transmission. Hence, there is big need for compression methods for multispectral images. The prime factor of any image compression method is the redundancy as well as correlation on an image. In this way, the multispectral images having high degree of correlation on spatial domain and redundancy on spectral domain. This leads to conception of several compression methods for these multispectral images. Moreover, every tiny information from multispectral image is very important for efficient processing and so the lossless encoding is always preferable. In this paper, we proposed a hybrid lossless method using Lempel-Ziv-Welch (LZW) and Arithmetic Coding for compressing the multispectral Images. The performance of our method is compared with existing lossless compression methods such as Huffman Coding, Run Length Coding (RLE), LZW and Arithmetic Coding.
Key-Words / Index Term
Lossless Compression, Multispectral Image, Huffman Coding, LZW, Run Length Coding, Arithmetic Coding
References
[1] M. Rabbani, and P.W Jones, “Digital image compression techniques”, SPIE Press Vol. 7, 1991.
[2] P. Kalavathi and S. Boopathiraja “A wavelet based image compression with RLC encoder” National Conference on Computational Methods, Communication Techniques and Informatics, pp.289–292, 2017.
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[4] A.M. Rufai, G. Anbarjafari, H. Demirel, “Lossy image compression using singular value decomposition and wavelet difference reduction”., Digital signal processing. Vol.1, Issue 24, pp. 117-124, 2014.
[5] The Sunitha Abburu, and Suresh BabuGolla, “Satellite Image Classification Methods and Techniques: A Review”, International Journal of Computer Applications (0975 – 8887), Vol 119 – No.8, 2015.
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[8] D. Huffman, "A Method for the Construction of Minimum-Redundancy Codes", Proceedings of the IRE. Vol. 40, No. 9, pp.1098–1101, 1952.
[9] J.H. Pujar, LM. Kadlaskar” A new lossless method of image compression and decompression using Huffman coding techniques”, Journal of Theoretical & Applied Information Technology,2010.
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[11] P. Kalavathi, and S. Boopathiraja, “A medical image compression technique using 2D-DWT with run length encoding”, Global Journal of Pure and Applied Mathematics (GJPAM), 2017.
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Citation
S. Boopathiraja, P. Kalavathi, and S. Chokkalingam, "A Hybrid Lossless Encoding Method for Compressing Multispectral Images using LZW and Arithmetic Coding", International Journal of Computer Sciences and Engineering, Vol.06, Issue.04, pp.313-318, 2018.
Performance Analysis of Multispectral Color Composite Image Enhancement Technique using Decorrelation Stretching and Histogram Equalization Methods
Research Paper | Journal Paper
Vol.06 , Issue.04 , pp.319-323, May-2018
Abstract
Multispectral images are taken from remote sensing sensors which are used in wide variety of application including earth observation, distortion management and so on. An interpretation of those images for different type of applications needs to enhance for more accurate processing. In this study, we have taken the multispectral image of LANDSAT dataset which has seven bands. The color composite image is derived through combining different bands of this dataset and it is act as single color composite multispectral image. The enhancement of this multispectral color composite images is done through decorrelation stretching and the performance of this method is explained and compared with other methods such as various histogram based methods.
Key-Words / Index Term
Multispectral Image, LANDSAT, Image Enhancement, Histogram Equalization, Contrast Enhancement.
References
[1] N. Hashimoto, Y. Murakami, PA. Bautista, M. Yamaguchi, T. Obi, N. Ohyama, and Y. Kosugi, “Multispectral image enhancement for effective visualization,” Optics express, Vol.9 Issue .19, pp.9315-9329,2011.
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[5] P. Kalavathi, S. Boopathiraja, and Abinaya, “Despeckling of ultrasound medical images using DW and WP transform techniques”, International Journal of Engineering and Technology (IJET), Vol. 9, issue.3, 2017.
[6] K. Somasundaram, P. Kalavathi, “Medical image contrast enhancement based on gamma correction”, Int J Knowledge Management e-learning. Vol. 3, Issue. 1, pp. 15-18, 2011.
[7] YT. Kim, “Contrast enhancement using brightness preserving bi-histogram equalization”, IEEE transactions on Consumer Electronics, vol.43, issue.1, pp.1-8. 1997.
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Citation
S. Boopathiraja, P. Kalavathi, M. Geethalakshmi, "Performance Analysis of Multispectral Color Composite Image Enhancement Technique using Decorrelation Stretching and Histogram Equalization Methods", International Journal of Computer Sciences and Engineering, Vol.06, Issue.04, pp.319-323, 2018.
Breast Cancer Detection in Digital Mammograms using Histogram Bins based Otsu Thresholding
Research Paper | Journal Paper
Vol.06 , Issue.04 , pp.324-327, May-2018
Abstract
Breast cancer is reported as the second most dangerous diseases in the world. Early detection of breast cancer is recorded to reduce the mortality rate by 30 to 60 percent. Digital mammography is a widely accepted as a non-invasive modality for the early detection of breast cancer, based on the abnormalities in the form of lesions, tumours and micro calcifications. The computer-based breast cancer screening involves segmentation of the abnormalities which are characterized by abrupt change in the pixel intensity, against the neighbourhood pixels. This paper presents a computationally simple and efficient enhancement technique that uses the principle of Otsu thresholding. The thresholds value for segmentation is chosen from the histogram bins of the input mammogram. The insignificant segmented partitions are discarded using morphological operations. The proposed method based on Histogram Bins based Otsu Thresholding (HBOT) is proved to segment the suspicious region accurately, as evidenced in the visual perception.
Key-Words / Index Term
Breast Cancer Detection ,Microcalcifications ,Mammogram Segmentation, Histogram Bins ,Otsu Thresholding
References
[1] Zaheeruddin,Z.A.Jaffery and Laxman Singh, “Detection and Shape Feature Extraction of Breast Tumor in Mammograms” , Proceedings of the World Congress on Engineering 2012 Volume 2 WCE 2012, July 4 - 6,pp 231-236,2012.
[2] .P.Shanmugavadivu, Lakshmi Narayanan, S.G., “Detection of Microcalcifications in Mammogram using Statistical Measures based Region Growing”, SPIE, Proceedings of the International Conference on Communication and Electronics System Design ICESD 2013,vol. 8760, p.no.87601M-1 -6, 2013.
[3] P.Shanmugavadivu, P., Lakshmi Narayanan, S.G., “Segmentation of Microcalcifications in Mammogram Images using Intensity - Directed Region Growing”, Proceedings of the International Conference on Computer Communication and Informatics ICCCI 2013.
[4] Shanmugavadivu, P., Lakshmi Narayanan, S.G.: Segmentation of Micro calcification Regions in Digital Mammograms using Self-Guided Region Growing. In: Proceedings of the International Conference on Emerging Trends in Science Engineering and Technology INCOSET 2012, pp. 274–279 (2012).
[5] Y. Ireaneus Anna Rejani and Dr.S.Thamarai Selvi, “Breast Cancer Detection Using Multilevel Thresholding”, International Journal of Computer Science and Information Security, Volume. 6, No.1, 2009.
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Citation
P. Shanmugavadivu, A. Thilshat Barveen, Ashish Kumar, "Breast Cancer Detection in Digital Mammograms using Histogram Bins based Otsu Thresholding", International Journal of Computer Sciences and Engineering, Vol.06, Issue.04, pp.324-327, 2018.
Reference Based Genomic Data Compression Using R Programming
Research Paper | Journal Paper
Vol.06 , Issue.04 , pp.328-331, May-2018
Abstract
Genomics has become a hot research area in medical field for diagnosis of monogenetic disorder identification, pharmaco genetics, targeted therapy, genome editing and personalized medicine. Each human genome consists of 3 billion pairs which are to be effectively stored and transmitted for analysis. This process necessitates the development of novel genomic data compression algorithms. In this paper a referential based method for compressing genomes has been proposed. The input and reference genomes are compared for dissimilarities and further entropy coded to achieve high compression ratio.
Key-Words / Index Term
FASTA file, Genomic data compression, R-Programming, Huffman coding, BIG DATA.
References
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Citation
M. Mary Shanthi Rani , S. Jegatheesh Chandra Bose , "Reference Based Genomic Data Compression Using R Programming", International Journal of Computer Sciences and Engineering, Vol.06, Issue.04, pp.328-331, 2018.
A Near Lossless Multispectral Image Compression using 3D-DWT with application to LANDSAT Images
Research Paper | Journal Paper
Vol.06 , Issue.04 , pp.332-336, May-2018
Abstract
Image compression is a technique which reduces the storage requirements of an actual image with fewer bits. Especially, the high dimensional images need a lot because of the exponential rate of its contained information. As multispectral images are represented in the form of different bands, it is three-dimensional in nature and demands larger memory spaces. There are several lossy and lossless compression methods are available for these types of images and the lossless one is more preferable. But, the problem is that the lossless methods on multispectral images yields better quality images but lack in the compression performance. Hence, there is need for optimal compression method that incorporate both the quality and compression performance. In this paper, we proposed a near lossless compression method for multispectral images. Three-Dimensional Discrete Wavelet Transform is used for decomposition and the Huffman coding followed by thresholding is used for encoding. The results of our proposed method for the multispectral LANDSAT images are discussed and compared with other existing methods in terms of PSNR and SSIM.
Key-Words / Index Term
Near Lossless Compression, Multispectral Image, LANDSAT, 3D-DWT, Huffman Coding
References
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Citation
S. Boopathiraja, P. Kalavathi, "A Near Lossless Multispectral Image Compression using 3D-DWT with application to LANDSAT Images", International Journal of Computer Sciences and Engineering, Vol.06, Issue.04, pp.332-336, 2018.
White Matter and Gray Matter Segmentation in Brain MRI Images Using PSO Based Clustering Technique
Research Paper | Journal Paper
Vol.06 , Issue.04 , pp.337-341, May-2018
Abstract
Alzheimer’s disease is one of the brain disorders caused due to shrinkage of brain tissues, particularly the White Matter and Grey Matter. Many imaging modalities are used to acquire the image of human brain, in order to diagnose the disorder. MRI is widely used technique to detect Alzheimer’s disease. In this research work, we aimed to develop a computational method to quantify the brain tissue loss in MRI human head scans. In this proposed method, we used particle swam optimization (PSO) technique to find the optimal cluster centroids to segment the brain tissue. These segmented White Matter and Gray matter are further analysed to quantify the Alzheimer’s disease. The output of this method is quantitatively and qualitatively evaluated by the similarity measures – Jaccard, and Dice based on the expert segmented results.
Key-Words / Index Term
Brain Tissue Segmentation, Clustering, Particle Swarm Optimization, MRI Images, Grey Matter and White Matter
References
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Citation
S. Naganandhini and P. Kalavathi, "White Matter and Gray Matter Segmentation in Brain MRI Images Using PSO Based Clustering Technique", International Journal of Computer Sciences and Engineering, Vol.06, Issue.04, pp.337-341, 2018.