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- S. Umadevi
- G. P. Mohanta
- V. Chelladurai
- P. K. Manna
- R. Kalaiselvan
- S. Sethupathi
- K. Shantha
- S. Rani
- D. Kilimozhi
- K. Geetha
- D. Venkappaya
- E. S. Samundeeswari
- P. K. Saranya
- R. Suresh
- D. Benitojohnson
- C. Maheswari
- R. Venkatnarayanan
- S. Akila Pradeep
- J. Sankari
- P. Maheswari
- N. J. Merlin
- V. Parthasarathy
- P. Devi
- R. Meera
- K. M. Prabusankarlal
- P. Thirumoorthy
- R. Sivaranjani
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- J. Ramesh
- S. Priya
Journals
- Journal of Natural Remedies
- Research Journal of Pharmacology and Pharmacodynamics
- ICTACT Journal on Image and Video Processing
- Research Journal of Pharmacy and Technology
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- International Journal of Scientific Engineering and Technology
- Asian Journal of Research in Chemistry
- ICTACT Journal on Soft Computing
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Manavalan, R.
- Antibacterial and Antifungal Activity of Andrographis echiodes
Abstract Views :464 |
PDF Views:678
Authors
Source
Journal of Natural Remedies, Vol 3, No 2 (2003), Pagination: 185-188Abstract
Objective: To investigate the antibacterial and antifungal activity of chloroform, acetone, methanol and aqueous extracts of whole plant Andrographis echiodes. Materials and methods: Antimicrobial activity was studied at different concentrations of the extract dissolved in dimethyl sulfoxide against seven strains of bacteria, three strains of fungi and one yeast by disc diffusion method. The minimum inhibitory concentration of the extracts were also determined. Results: All the extracts except aqueous posses antimicrobial activity against most of the organisms tested. The minimum inhibitory concentrations ranges from 0.05 mg/ml to 5 mg/ml on tested bacteria. Conclusion: The activities of Andrographis echiodes confirms with its folk use as remedy for fever. In addition to this use it may also be used topically for treatment of bacterial and fungal infections.Keywords
Andrographis echiodes, Antibacterial and Antifungal Activity, Bacteria. Fungi, YeastFull Text
- Studies on Hepatoprotective Effect of Flaveria trinervia
Abstract Views :440 |
PDF Views:473
Authors
S. Umadevi
,
G. P. Mohanta
,
R. Kalaiselvan
,
P. K. Manna
,
R. Manavalan
,
S. Sethupathi
,
K. Shantha
Source
Journal of Natural Remedies, Vol 4, No 2 (2004), Pagination: 168-173Abstract
Objective: To evaluate the hepatoprotective effect of leaf extract of Flaveria trinervia in rat. Materials and methods: The methanolic extract of the plant was evaluated for the hepatoprotective activity against carbon tetrachloride (CCl4)-induced liver damage in rats by administering orally at 400 mg/kg dose for 10 days. Such effect was compared with silymarin as a standard hepatoprotective drug. In the serum, glutamate oxaloacetate transaminase, glutamate pyruvate transaminase, alkaline phosphatase, total protein, albumin, triglyceride and cholesterol contents were determined. In the liver, total protein, peroxide, phospholipid and glutathione levels were estimated. Results: The extract significantly reversed the elevated enzyme levels and altered biochemical parameters compared to control and silymarin. Besides, a significant reduction of the CCl4-induced changes in the liver histopathology was also observed. Conclusion: The extract showed a considerable potential for hepatoprotective activity possibly by the antioxidant property. Keywords: Flaveria trinervKeywords
Flaveria trinervia, Hepatoprotective, Silymarin, Carbon TetrachlorideFull Text
- Anti-Ovulatory and Abortifacient Potential of the Ethanolic Extract of Henna Roots in Rats
Abstract Views :294 |
PDF Views:0
Authors
Affiliations
1 Department of Pharmacy, Annamalai University, Annamalai Nagar-608002, Tamil Nadu, IN
1 Department of Pharmacy, Annamalai University, Annamalai Nagar-608002, Tamil Nadu, IN
Source
Research Journal of Pharmacology and Pharmacodynamics, Vol 1, No 1 (2009), Pagination: 18-20Abstract
The rise in population in the developing world is over whelming and this intensifies the need for effective birth control measures. The synthetic agents available today for fertility control produce severe side effects. Such as hormonal imbalance, hypertension, increased risk of cancer and weight gain. Thus there is a need to replace these agents by safe and effective agents such as plants based contraceptive agents.
Therefore, the present study was under taken to explore the abotifacient and antiovulatory activity of ethanol extract of henna ischolar_mains. Thus, the successive ethanolic extract showed promising strong abotifacient and antiovulatory activity was observed at dose level of 400mg/kg body weight. Histological studies were carried out to confirm this effect.
Keywords
Abortifacient, Ovulation, Contraception.
References
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- Knecht W., Henseling J., and Loffler M. (2000), Kinetics of inhibition of human and rat dihydroorotate dehydrogenase by atovaquone, lawsone derivatives, brequinar sodium and polyporic acid. Chem. Biol. Interact. 124, 61-76.
- Wagner H., Kreher B., and Jurcic K. (1988). In vitro stimulation of human granulocytes and lymphocytes by pico- and femtogram quantities of cytostatic agents. Arzneim. Forsch. 38, 273-275.
- Malekzadeh F. (1968), antimicrobial activity of Lawsonia inermis L. Applied Microbiol 16, 663-664.
- Abd-el- Malek Y.A., El-Leithy M.A., Reda F.A., and Khalil M. (1973). Antimicrobial principles in leaves of Lawsonia inermis L. Zentralbl. Bakteriol. Parasitenkd Infektionskr Hyg. 128, 61-67.
- Chang H., and suzuka S.E., (1982). Lawsone (2-OH-1,4-naphthoquinone) derived from the henna plant increases the oxygen affinity of sickle cell blood. Bio-chem. Biophys.Res. Commun. 107, 602-608.
- Clarke D.T., Jones G.R., and Martin M.M (1986), The anti –sickling drug lawsone (2-OH-1,4–naphtha-quinone) Protects sickled cells against membrane damage, Biochem. Biophys, Res. Commun.139, 780 – 786.
- Anaad K.K., Singh B., Chand D., and Chandon B.K. (1992). An evaluation of Lawsonia alba extract as hepatoprotective agent. Planta Med. 58, 22-25.
- Ali M., and Grever M.R. (1998). A cytotoxic naphthoquinone from Lawsonia inermis. Fitoterapia LXIX ( 2 ) ,1810-1813.
- Ali B H, Bashir A.K., and Tanira M.O. (1995), antiinflammatory, antipyretic, and analgesic effects of Lawsonia inermis L (Henna) in rats. Pharmacology 51, 356-63.
- Shivalinagappa. H., Satyanaryan. ND., and Purohit. MG. (2001). Antimplantation and pregnancy interruption efficacy of Rivea hypocrateriformis in the rat. J Ethnopharmacol; 74: 245-9.
- -60. Hafez ES. (1970). Reproduction in breeding techniques for laboratory animals. Philadelphia: Leaand febiger.
- Medeiros RM., Gorniak SL., and Guerra JL. (2000). Fetotoxicity and Reproductive effects of monocrotaline in pregnant rats. J Ethnopharmacol; 69: 181-8.
- Feranada CG. Almedia., and Lone P. Lemonica (2000). The toxic effects of Coleus barbatus B on the different periods of pregnancy in rats. J Ethnopharmacol; 73: 53
- Nath D., Sethi N., Singh RK., and Jain AK. (1992). Commonly used Indian abortifacient plants with special reference to teratologic effects in rats. J. Ethnopharmacol; 36: 147-54.
- Prakash AO., and Mathur R. (1979). Studies on oestrous cycle of the albino rats: Response to Embelia ribes extracts. Planta Medica; 36: 131-41.
- Shivalinagppa H., Satyanarayan ND., Purohit MG., Sharanabasappa A., and Patil SB. (2002). Effect of ethanol extract of Rivea hypocrateriformis on the estrous cycle of the rat. J Ethnopharmacol; 82: 11-7.
- Circosta C., Sanogo E., and Occhiuto F. (2001). Effects of Calotropis procera on oestrous cycle and on oestrogenic functionality in rats. Farmaco; 56: 373-8.
- Effects and Causes of Lithiasis
Abstract Views :254 |
PDF Views:2
Authors
Affiliations
1 Ultra College of Pharmacy, Madurai, Tamilnadu, IN
2 Department of Pharmacy, Annamalai University, Chithambaram, Tamilnadu, IN
3 Sastra University, Tanjore, Tamilnadu, IN
1 Ultra College of Pharmacy, Madurai, Tamilnadu, IN
2 Department of Pharmacy, Annamalai University, Chithambaram, Tamilnadu, IN
3 Sastra University, Tanjore, Tamilnadu, IN
Source
Research Journal of Pharmacology and Pharmacodynamics, Vol 2, No 4 (2010), Pagination: 261-267Abstract
Kidney stones, one of the most painful of the urologic disorders, are not a product of modern life. Scientists have found evidence of kidney stones in a 7000 year old Egyptian mummy. Unfortunately, kidney stones are one of the most common disorders of the urinary tract. In 2000, patients made 2.7 million visits to health care providers and more than 600,000 patients went to emergency rooms for kidney stone problems. So, we have explained the theories of kidney stone formation, Diagnostic procedures and treatments for the kidney stones.Keywords
Kidney Stone, Types, ESWL, Herbal Options.References
- Straffon, R.A and C.C. Higgins, Urinary lithiasis and foreign bodies, urology, vol. edited by Campbell N.F. and J.F. Harrison, W.B - Saunders Co., Philadelphia, (1970) : pp 687-765.
- Robertson, W.G, physical and chemical aspects of calcium stone formation in urinary tract, Urol. Res. Eds. Flecish et al., pub. By plenum press, 277 west 17th st., New York. Ny 10011, U.S.A (1976): p.25.
- Third, S.K., Biochemical mechanisms involved in oxalate urolithiasis. Ph.D. Thesis submitted at P.G.I., Chandigarh (1974).
- Eucot, J.S.A comparison of the chemical composition of urine in normal subjects and in patients with oxalate calculi urinary calculic, Int. symp. Renal. Stone res. Madrid, pp-24.
- www.Google.com/Kidney stones.
- Robertson, W.G, palcook, M and Nordin, B.E.c. Measurement of activity products in urine from stone forming and normal subjects. Urolithiasis - physical aspects, pub. Natal. Acad. Scil, Washington (1972) : p.79.
- Colby, F.H, Diseases of the kidney, essential urology 4th ed p. 173, William and wilkins co., 1961.
- Third. S.K. Verma, G. Bapna, B.C. and Nath R., Human Kidney enzymes in urolithiasis, S.B.C. (India) Abstract (1977): 36, 33 (144).
- Duke JA. (2002) The Green Pharmavy. Scientific Publishers: Jodhpur (India); 205-209.
- Mitra SK Gopumodhavan S, Venkataranganna MV, Sundaran R (1998): Effect of cystone, a herbal formulation on glycolic acid induced urolithiasis in rats. Phytother Res. 12: 372-374.
- M2 Filter for Speckle Noise Suppression in Breast Ultrasound Images
Abstract Views :163 |
PDF Views:0
Authors
Affiliations
1 Department of Computer Science, Vellalar College for Women, IN
2 Arignar Anna Government Arts College, Villupuram, IN
1 Department of Computer Science, Vellalar College for Women, IN
2 Arignar Anna Government Arts College, Villupuram, IN
Source
ICTACT Journal on Image and Video Processing, Vol 6, No 2 (2015), Pagination: 1137-1144Abstract
Breast cancer, commonly found in women is a serious life threatening disease due to its invasive nature. Ultrasound (US) imaging method plays an effective role in screening early detection and diagnosis of Breast cancer. Speckle noise generally affects medical ultrasound images and also causes a number of difficulties in identifying the Region of Interest. Suppressing speckle noise is a challenging task as it destroys fine edge details. No specific filter is designed yet to get a noise free BUS image that is contaminated by speckle noise. In this paper M2 filter, a novel hybrid of linear and nonlinear filter is proposed and compared to other spatial filters with 3×3 kernel size. The performance of the proposed M2 filter is measured by statistical quantity parameters like MSE, PSNR and SSI. The experimental analysis clearly shows that the proposed M2 filter outperforms better than other spatial filters by 2% high PSNR values with regards to speckle suppression.Keywords
Ultrasound Imaging, Speckle Noise, Spatial Filters, M3 Filter, M2 Filter.- Chemo Preventive Activity of Triumfetta rhomboidea in 7, 12-Dimethylbenz (A) Anthracene Induced Breast Cancer in Sprague–Dawley Rat Model
Abstract Views :150 |
PDF Views:1
Authors
Affiliations
1 Department of Pharmacology, RVS College of Pharmaceutical Sciences, Sulur, Coimbatore-641402, IN
2 RVS College of Pharmaceutical Sciences, Sulur, Coimbatore-641402, IN
3 Department of Pharmaceutics, RVS College of Pharmaceutical Sciences, Sulur, Coimbatore-641402, IN
1 Department of Pharmacology, RVS College of Pharmaceutical Sciences, Sulur, Coimbatore-641402, IN
2 RVS College of Pharmaceutical Sciences, Sulur, Coimbatore-641402, IN
3 Department of Pharmaceutics, RVS College of Pharmaceutical Sciences, Sulur, Coimbatore-641402, IN
Source
Research Journal of Pharmacy and Technology, Vol 10, No 3 (2017), Pagination: 687-692Abstract
The chemopreventive potential was assessed by monitoring the tumour incidence, total no of tumours and tumour volume and also by analyzing the level of biochemical markers such as 17-β estradiol (E2), TBARS and antioxidants during DMBA induced mammary carcinoma. A single subcutaneous injection of DMBA (25mg/kg) produced mammary carcinoma in female Sprague-Dawley rats. Oral administration of 100mg/kg and 200mg/kg of TRM to DMBA treated rats significantly prevented the tumour incidence, total no of tumours, tumour volume and brought back the above said biochemical markers to normal. The present study confirmed the chemopreventive activity of leaves of Triumfetta rhomboidea in mammary carcinomaKeywords
Mammary Carcinoma, Triumfetta rhomboidea, Leaves, DMBA, Antioxidants.- Analysis of Cuckoo Search with Genetic Algorithm for Image Compression
Abstract Views :130 |
PDF Views:1
Authors
Affiliations
1 Department of Computer Science, K.S. Rangasamy College of Arts and Science, Tiruchengode-637215, Tamilnadu, IN
1 Department of Computer Science, K.S. Rangasamy College of Arts and Science, Tiruchengode-637215, Tamilnadu, IN
Source
International Journal of Engineering Research, Vol 2, No 6 (2013), Pagination: 386-392Abstract
Compressing an image is different than compressing raw binary data. Of course, general purpose compression Techniques can be used to compress images, but the result is less than optimal. Statistical properties of image have been exploited by encoders specifically designed for them. This also means that lossy compression techniques can be used in this area. In this paper, cuckoo algorithm is integrated with genetic algorithm in image compression framework. Here image compression is implemented with the combination of cuckoo search and genetic algorithm optimization with Discrete Cosine Transform (DCT). The experimental result clearly shows that the efficiency proposed image compression method is better than other based on statistical parameter of PSNR, MSE and CR.Keywords
Cuckoo Search (CS), Genetic Algorithm (GA), Discrete Cosine Transform (DCT), Image Compression.Full Text
- Document Retrieval using Hierarchical Agglomerative Clustering with Multi-view point Similarity Measure Based on Correlation:Performance Analysis
Abstract Views :115 |
PDF Views:0
Authors
J. Sankari
1,
R. Manavalan
1
Affiliations
1 Department of Computer Science and Applications, K. S. Rangasamy College of Arts and Science, Tiruchengode, IN
1 Department of Computer Science and Applications, K. S. Rangasamy College of Arts and Science, Tiruchengode, IN
Source
International Journal of Scientific Engineering and Technology, Vol 2, No 9 (2013), Pagination: 861-865Abstract
Clustering is one of the most interesting and important tool for research in data mining and other disciplines. The aim of clustering is to find the relationship among the data objects, and classify them into meaningful subgroups. The effectiveness of clustering algorithms depends on the appropriateness of the similarity measure between the data in which the similarity can be computed. This paper focus on performance analysis of Agglomerative clustering with Multi Viewpoint based on Cosine similarity and Correlation similarities for finding the relationship between different documents and clustering them. The experiment is conducted over fifteen text documents and the performance of the proposed method is analyzed thoroughly and compared to Hierarchical Agglomerative clustering with Multi Viewpoint that is based on cosine similarity. The experimental results clearly shows that the proposed model Hierarchical Agglomerative clustering with Multi Viewpoint, based on correlation similarity perform quite well for document retrieval.
Keywords
Hierarchical Agglomerative Clustering, Document Retrieval, Multi Viewpoint Similarity Measure, Cosine Similarity, Correlation Similarity.Full Text
- Tree-Based Mining with Sentiment Analysis for Discovering Patterns of Human Interaction in Meetings
Abstract Views :114 |
PDF Views:0
Authors
P. Maheswari
1,
R. Manavalan
1
Affiliations
1 Department of Computer Science and Applications, K.S.Rangasamy College of Arts and Science Thiruchengode, Tamilnadu, IN
1 Department of Computer Science and Applications, K.S.Rangasamy College of Arts and Science Thiruchengode, Tamilnadu, IN
Source
International Journal of Scientific Engineering and Technology, Vol 2, No 9 (2013), Pagination: 866-871Abstract
Human interaction is one of the most important characteristics of group social dynamics in meetings. The sequence of human interaction is generally represented as a tree. Tree structure is used to capture how the person interacts in meetings and to discover the interactions. The human interaction are proposing as an idea, giving comments, ask opinion, acknowledge, etc., Frequent interaction tree pattern mining algorithm and Frequent interaction sub tree pattern mining algorithm are utilized to analysis the structure and to extract interaction flow patterns, where co-occurring only the tags are considered. To overcome this problem, Sentiment Analysis (SA) is proposed work to the entire flow of interaction in meetings. A sentiment analysis approach to extract sentiments associated with opinions of positive or negative for specific subjects the from the document instead of classifying the whole document into positive or negative. Sentiment analysis approach identifies the semantic relationship between the sentiment expressions and subject properly and also improve the performance of discovering pattern of Human interactions in meetings.Keywords
Tree Based Mining, Frequent Interaction Subtree Mining, Frequent Interaction Mining and Modified Embedded Sub Tree Mining.Full Text
- Image Compression Using Radon Transform With DCT:Performance Analysis
Abstract Views :100 |
PDF Views:0
Authors
Affiliations
1 Department of Computer Science, K.S.Rangasamy College of Arts and Science Thiruchengode 637215, Tamilnadu, IN
1 Department of Computer Science, K.S.Rangasamy College of Arts and Science Thiruchengode 637215, Tamilnadu, IN
Source
International Journal of Scientific Engineering and Technology, Vol 2, No 8 (2013), Pagination: 759-765Abstract
Image compression is the significant research area in the field of image processing. The Transform selection in image compression has played a vital role since the size of the resultant compressed image should be reduced in comparison with the original image. Numerous image compression standards based on Wavelet Transform have been devoted in the literature but still there exist scope of yielding better compression with high quality in image reconstruction. Existing image compression technique using DWT with Biorthogonal filtering accommodates less compression ratio with poor image quality of reconstructed image. With that concern, image compression using Radon Transform with DCT (Discrete Cosine Transform) is proposed in this paper that contribute different dimension to the image compression. The image compression using Radon Transform with DCT accords best performance whereas the image compression using DWT with Bi-orthogonal filtering performs the least. Experimental evaluation has been effectuated to arrive at the conclusion that better results for PSNR and compression ratio is used for selecting best image compression technique.Keywords
Image Compression, Discrete Wavelet Transform (DWT), Radon Transform (RT), Discrete Cosine Transform (DCT).Full Text
- Apoptosis Significance and Molecular Mechanisms-A Review
Abstract Views :193 |
PDF Views:0
Authors
Affiliations
1 Annamalai University, Annamalai Nagar-608002, Tamil Nadu, IN
2 K.M. College of Pharmacy, Uthangudi, Madurai-625107, Tamilnadu, IN
1 Annamalai University, Annamalai Nagar-608002, Tamil Nadu, IN
2 K.M. College of Pharmacy, Uthangudi, Madurai-625107, Tamilnadu, IN
Source
Asian Journal of Research in Chemistry, Vol 2, No 4 (2009), Pagination: 369-375Abstract
Apoptosis, a form of programmed cell death, is a pivotal defense against the occurrence of cancer and is essential to metazoans in maintaining tissue homeostasis. Apoptosis exhibits a distinctive phenotype and involves elimination of potentially deleterious cells. Many diseases have been associated with aberrantly regulated apoptotic cell death, ultimately leading to inhibition of apoptosis and propagation of diseases such as cancer. This review highlights the significance of apoptosis, molecular mechanisms of apoptosis and various methods of causing cell death.Keywords
Apoptosis, Programmed Cell Death, Significance, Mechanisms, Caspases, Bcl-2 Family.- Active Principles Determination by GC/MS in Delonix elata and Clerodendrum phlomidis
Abstract Views :175 |
PDF Views:0
Authors
Affiliations
1 Department of Pharmacy, Annamalai University, Annamalai Nagar-608002, Tamil Nadu, IN
1 Department of Pharmacy, Annamalai University, Annamalai Nagar-608002, Tamil Nadu, IN
Source
Asian Journal of Research in Chemistry, Vol 2, No 3 (2009), Pagination: 344-348Abstract
The present work was carried out to analyse the active constituents present in the ethanolic extract of Delonix elata (L.) Gamble (Family:Caesalpiniaceae) and Clerodendrum phlomidis.L, (Family:Verbenaceae) by using gas chromatography-mass spectrometry (GC-MS). Thirty two compounds were identified in ethanolic extract of Delonix elata and twenty three compounds were identified in ethanolic extract of Clerodendrum phlomidis. The prevailing compound in Delonix elata was identified as Hexadecenoic acid, Z-11-(22.37%) and the prevailing compound in Clerodendrum phlomidis was identified as n-Hexadecanoic acid (28.7%). The identity and quantity of the measured active principles was correlated with the therapeutic effects of the studied herbs.Keywords
Delonix elata, Clerodendrum phlomidis, GC-MS, Hexadecenoic Acid, Z-11-, N-Hexadecanoic Acid.- Phyto-Physico Chemical Evaluation, Anti-Inflammatory and Anti Microbial Activities of Aerial Parts of Gmelina asiatica
Abstract Views :179 |
PDF Views:0
Authors
Affiliations
1 Department of Pharmacy, Annamalai University, Annamalai Nagar-608002, Tamilnadu, IN
2 Department of Pharmacognosy, K. M. College of Pharmacy, Uthangudi, Madurai-625107, Tamilnadu, IN
3 Department of Pharmaceutical Chemistry, K. M. College of Pharmacy, Uthangudi, Madurai-625107, Tamilnadu, IN
1 Department of Pharmacy, Annamalai University, Annamalai Nagar-608002, Tamilnadu, IN
2 Department of Pharmacognosy, K. M. College of Pharmacy, Uthangudi, Madurai-625107, Tamilnadu, IN
3 Department of Pharmaceutical Chemistry, K. M. College of Pharmacy, Uthangudi, Madurai-625107, Tamilnadu, IN
Source
Asian Journal of Research in Chemistry, Vol 2, No 1 (2009), Pagination: 76-82Abstract
The present study was carried out to investigate the anti inflammatory, anti bacterial and anti fungal activity of of petroleum ether, chloroform, ethyl acetate and ethanolic extract obtained from Gmelina asiatica. All the extracts were prepared from aerial parts of Gmelina asiatica by hot percolation method in soxhlet apparatus. All extracts of Gmelina asiatica were tested for antibacterial efficacy against Bacillus subtilis, Staphylococcus aureus, Micrococcus luteus, Escherichia coli, Salmonella typhi and pseudomonas aeruginosa and antifungal efficacy against Candida albicans and Aspergillus niger. The Antibacterial and Anti fungal effect produced by petroleum ether, chloroform, ethyl acetate and ethanol extract were comparable to that of Amikacin and Griseofulvin. The Chloroform extract was found to be more effective and showed Anti bacterial and antifungal activity against the entire organism tested. All the extracts at dose concentration (500 mg/kg) were screened for antimicrobial activity. The ethanolic extract of Gmelina asiatica at (250 and 500 mg/kg) concentrations exhibited anti inflammatory activity in carrageenan induced rat paw oedema, histamine induced odema, dextran induced odema and cotton pellet induced granuloma method, and the results are compared to that of standard drug Indomethacin. The results were found to be significiant (P<0.001) when compared to control.Keywords
Gmelina asiatica, Anti-Inflammatory Activity, Indomethacin, Antimicrobial Activity, Amikacin, Anti Fungal Activity, Griseofulvin.- Modified NLM Model for Despeckling Ultrasound Images Using FCM Clustering Based Pre Classification and RIBM
Abstract Views :167 |
PDF Views:1
Authors
Affiliations
1 Department of Electronics and Communication, K.S. Rangasamy College of Arts and Science, IN
2 Department of Electronics and Communication, Government Arts College, Dharmapuri, IN
3 Department of Information Technology, Arignar Anna Government Arts College, IN
4 Department of Mathematics, K.S.R. College of Arts and Science for Women, IN
1 Department of Electronics and Communication, K.S. Rangasamy College of Arts and Science, IN
2 Department of Electronics and Communication, Government Arts College, Dharmapuri, IN
3 Department of Information Technology, Arignar Anna Government Arts College, IN
4 Department of Mathematics, K.S.R. College of Arts and Science for Women, IN
Source
ICTACT Journal on Image and Video Processing, Vol 8, No 3 (2018), Pagination: 1708-1715Abstract
Speckle noise is an inherent characteristic of ultrasound which reduces the classification accuracy of computer aided diagnosis (CAD) systems. A modified non local means (NLM) filter for despeckling ultrasound images is proposed in this article. The proposed NLM model utilizes a preclassification method in which the feature vectors of the input image are constructed using moment invariants and then they are clustered using fuzzy c means (FCM) algorithm. The rotationally invariant block matching (RIBM) algorithm is applied among the blocks within each cluster instead of the entire image. This intra cluster block matching reduces computational complexity of NLM process without the elimination of any pixel candidate. Further, the rotationally invariant moment distance measure improves the noise reduction performance of the algorithm by increasing the chance of getting more similar candidates for NLM process. Extensive experiments are conducted using synthetic images, phantom images and ultrasound images. The method is comparatively evaluated with other denoising methods using statistical parameters such as MSE, PSNR, SSIM, EPI and ENL. The quantitative results suggested that the proposed method outperforms other four state of the art methods in despeckling and preservation of image details.Keywords
Speckle Noise, Non Local Means, Fuzzy C Means, Ultrasound, CAD Systems.References
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- K.M. Prabusankarlal, P. Thirumoorthy and R. Manavalan, “Segmentation of Breast Lesions in Ultrasound Images Through Multiresolution Analysis using Undecimated Discrete Wavelet Transform”, Ultrasonic Imaging, Vol. 38, No. 6, pp. 384-402, 2016.
- K.M. Prabusankarlal, P. Thirumoorthy and R. Manavalan, “Computer Aided Breast Cancer Diagnosis Techniques in Ultrasound: A Survey”, Journal of Medical Imaging and Health Informatics, Vol. 4, No 3, pp. 331-349, 2014.
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- Y. Yu and S.T. Acton, “Speckle Reducing Anisotropic Diffusion”, IEEE Transactions on Image Processing, Vol. 11, No. 11, pp. 1260-1270, 2002.
- A. Buades, B.Coll and J.M. Morel, “A Review of Image Denoising Algorithm, with a New One”, Available at: https://hal.archives-ouvertes.fr/hal-00271141/document.
- M. Mahmoudi and G. Sapiro, “Fast Image and Video Denoising via Nonlocal means of Similar Neighborhoods”, IEEE Signal Processing Letters, Vol. 12, pp. 839-842, 2005.
- J. Wang, Y. Guo, Y. Ying, Y. Liu and Q. Peng, “Fast Non-Local Algorithm for Image Denoising”, Proceedings of IEEE International Conference on Image Processing, pp. 1429-1432, 2006.
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- Computational Approaches for Heart Disease Prediction-A Review
Abstract Views :250 |
PDF Views:2
Authors
R. Manavalan
1,
S. Saranya
1
Affiliations
1 Department of Computer Science, Arignar Anna Government Arts College, IN
1 Department of Computer Science, Arignar Anna Government Arts College, IN
Source
ICTACT Journal on Soft Computing, Vol 8, No 3 (2018), Pagination: 1680-1686Abstract
The data mining techniques can be primarily used to extract the potentially useful hidden knowledge from the large volume of health care industry databases for predicting the diseases. It is also assist to locate the relationships and patterns among the extracted data. In this paper, detailed survey of various computational techniques used in health care industry for predicting the heart diseases is presented. The issues facing by the computational models are identified while predicting the heart diseases and the same is also presented with future possible research directions.Keywords
Data Mining, Heart Disease, Classification, Prediction, Parameters.References
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- Despeckleing Prostate Ultrasonograms Using PDE with Wavelet
Abstract Views :192 |
PDF Views:3
Authors
J. Ramesh
1,
R. Manavalan
2
Affiliations
1 Department of Computer Applications, K.S. Rangasamy College of Arts and Science, IN
2 Department of Computer Science, Arignar Anna Government Arts College, IN
1 Department of Computer Applications, K.S. Rangasamy College of Arts and Science, IN
2 Department of Computer Science, Arignar Anna Government Arts College, IN
Source
ICTACT Journal on Image and Video Processing, Vol 8, No 4 (2018), Pagination: 1776-1780Abstract
Prostate cancer is the leading cause of death for men, since the cause of the disease is mysterious and its early detection is also monotonous. Ultrasound (US) is the most popular tool to detect the human organ glands and also used to diagnose the prostate cancer. Speckle noise is an inherent nature of ultrasound images, which degrades the image quality. So far, No specific filter is available to suppress the speckle noise in prostate image. In this paper, a novel despeckling method PDE with Wavelet is presented for prostate US images. The enhancement method is evaluated by using standard measures like Mean Square Error (MSE), Peak Signal Noise Ratio (PSNR) and Edge Preservation Index (EPI). Further, the despeckling approaches' is also evaluated time and space complexity. From the results, it is observed that the filtering method PDE with Wavelet is superior to PDE in terms of denoising and also preserving the information content.Keywords
Ultrasound Prostate Image, Partial Differential Equation, Wavelet.References
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- Optimum Parameters Selection Using Bacterial Foraging Optimization for Weighted Extreme Learning Machine
Abstract Views :182 |
PDF Views:3
Authors
S. Priya
1,
R. Manavalan
1
Affiliations
1 Department of Computer Applications, Arignar Anna Government Arts College, IN
1 Department of Computer Applications, Arignar Anna Government Arts College, IN
Source
ICTACT Journal on Soft Computing, Vol 8, No 4 (2018), Pagination: 1775-1780Abstract
Extreme Learning Machine (ELM) is a Single Layer Feed Forward Network (SLFN) model with extremely learning capacity and good generalization capabilities. Generally, the performance of ELM for classification task highly based on three factors such as the input weight matrix, the value of bias and the number of hidden neurons presented. ELM randomly chooses the input weights and biases and determines analytically the weights as output. The random selection of biases and the input weight produce an unforeseen result which causes training error and also produces lesser prediction accuracy. Bacterial Foraging Optimization algorithm (BFOA) was used to find the optimum input weight and hidden bias values for ELM. With the unequal distribution of classes in imbalanced data sets, ELM algorithms tussle to find good accuracy. So, ELM algorithm doesn’t get the necessary information about the minority class to make an accurate classification. To deal the issues associated with ELM, in this paper the hybrid algorithms Weighted ELM and Weighted ELM with BFO are proposed. Weighted ELM is proposed to handle the classification data that has imbalanced nature of class distribution. The main objective of weighted ELM is that the related weight value is computed and assigned for each training sample to increase the classification rate. Bacterial Foraging Optimization method is also integrated with the weighted ELM to find the optimum input weight and bias to maximize the classification accuracy. The comparative analysis has been performed over Hepatitis dataset. Further, the experimental results clearly revealed that one of the proposed methods Weighted ELM with BFO performs quite well when compared to others.Keywords
ELM, Weighted ELM, Bacterial Foraging Optimization, Initial Weight, Bias.References
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