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159 results on '"Kumar, T. N."'

3. Chat2Fluency: Enhancing Language Learning Through Conversational AI

Author

Darshan, N. A., Amruth, S., Shetty, Aditya Ashok, Kumar, T. N. Srujan, Uma, D., Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Roy, Satyabrata, editor, Sinwar, Deepak, editor, Dey, Nilanjan, editor, Perumal, Thinagaran, editor, and R. S. Tavares, João Manuel, editor

Published
2024
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4. Evaluation of Surface Soil Moisture Using Remote Sensing and Field Studies

Author

Kumar, T. N. Santhosh, Pathak, Abhishek A., di Prisco, Marco, Series Editor, Chen, Sheng-Hong, Series Editor, Vayas, Ioannis, Series Editor, Kumar Shukla, Sanjay, Series Editor, Sharma, Anuj, Series Editor, Kumar, Nagesh, Series Editor, Wang, Chien Ming, Series Editor, Cui, Zhen-Dong, Series Editor, Mesapam, Shashi, editor, Ohri, Anurag, editor, Sridhar, Venkataramana, editor, and Tripathi, Nitin Kumar, editor

Published
2024
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7. Frequency Selective Structures and Its Applications

Author

Boopathi Rani, R., Sreedhar Kumar, T. N., Padmavathi, S., Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Sivasubramanian, A., editor, Shastry, Prasad N., editor, and Hong, Pua Chang, editor

Published
2022
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9. Graph-Assisted Attention for Path Finding in Question Answering Task

Author

Guruprasad, M., Agarwal, Jai, Lokesh Kumar, T. N., Das, Bhaskarjyoti, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Tavares, João Manuel R. S., editor, Chakrabarti, Satyajit, editor, Bhattacharya, Abhishek, editor, and Ghatak, Sujata, editor

Published
2021
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13. Automatic Generation of Description for Images Using Recurrent Neural Network

Author

Veena, G. S., Patil, Savitri, Kumar, T. N. R., Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Peng, Sheng-Lung, editor, Dey, Nilanjan, editor, and Bundele, Mahesh, editor

Published
2019
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26. IMPURITY PROFILING STABILITY INDICATING METHOD DEVELOPMENT AND VALIDATION OF LINAGLIPTIN AND LC-MS CHARACTERIZATION OF OXIDATIVE DEGRADATION PRODUCT.

Author

Bhawani, Sunkara and Kumar, T. N. V. Ganesh

Subjects
*LINAGLIPTIN, *FLOW velocity, *QUALITY control, *OXIDATIVE stress, *PHOSPHORIC acid
Abstract

In this research study, we developed a new rapid and simple HPLC quantitative approach for comprehensively measuring related substance impurities (LNGN N formyl; LNGN acetamide; LNGN N Boc; LNGN amino) in Linagliptin. The related substance impurities were studied by PDA detection at 225 nm after being separated on the Kromasil C18 column stationary phase. The isocratic mode elution and a flow velocity of 1.0 mL/min were performed with the 0.1% phosphoric acid having pH 2.5 and acetonitrile. The proposed approach was appropriately verified in agreement with the "International Conference on Harmonization". Linearity was demonstrated for values ranging from LOQ quantity ppm to 150% quantity ppm, with variance coefficients 0.99. The precision varied from 0.128 to 0.969% RSD and accuracy varied from 99.13% to 101.76% for four related substance impurities. The proposed approach was appropriately implemented in the quality control analysis of the linagliptin API. Stress testing on the linagliptin API is also part of this investigation. One degradant with a 10.273 min Rt was found during oxidative stress testing on linagliptin. Using LC-MS this peak was discovered to be an adduct. [ABSTRACT FROM AUTHOR]

Published
2023
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27. Experimental Investigation and Modeling of the Kerf Profile in Submerged Milling by Macro Abrasive Waterjet.

Author

Ravi, Rajesh Ranjan, Kumar, T. N. Deepu, and Srinivasu, D. S.

Subjects
*WATER jets, *JETS (Fluid dynamics), *ABRASIVES, *PEARSON correlation (Statistics), *MANUFACTURING processes, *PREDICTION models
Abstract

Toward achieving control over the kerfing through macro abrasive waterjet submerged milling, there is a need (i) to understand the influence of the water column height on the kerf quality and (ii) to develop a model for the prediction of the kerf characteristics. This study performs detailed experimentation to assess the kerf quality enhancement in submerged milling relative to the in-air milling on Al-6061 alloy. From the modeling perspective, there are very limited efforts in developing a comprehensive model that includes both the jet flow dynamics and material removal models-this is the missing link. Toward this, a comprehensive model is proposed and validated for the prediction of kerf in in-air and submerged conditions by considering (i) jet dynamics and (ii) jet-material interaction. From the experimental results, it is observed that by adopting the submerged milling, the damaged region, top kerf width and edge radius got reduced by 20.3%, 13.53%, and 22.7%, respectively. However, this enhancement in the kerf quality is associated with a reduction in the centerline erosion depth (hmax) by 12.33% and a material removal rate by 24.52%. The material removal mechanism is more uniform and directed in the submerged milling, whereas in-air is random. The proposed model predicted the kerf cross-sectional profile in submerged milling and in-air with a mean absolute error of 60 µm and 57 µm, squared Pearson correlation coefficient of 0.97 and 0.99, and the hmax with a maximum error of 1.3% and 1.4%. [ABSTRACT FROM AUTHOR]

Published
2023
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34. Clinical Study of Surgical Management of Olecranon Fractures

Author

Harish Y Shivanna, Ananth H S, and Santhosh Kumar T N

Abstract

BACKGROUND AND OBJECTIVE: Olecranon fractures are one of the most commonly seen orthopaedic injuries in the emergency room. Fractures of the Olecranon process of the Ulna typically occurs as a result of a motor-vehicle or motorcycle accident, a fall, or assault. The accepted management for Olecranon fractures is for Non displaced fractures short immobilization followed by gradually increasing range of motion. When displaced ,Open reduction and internal fixation with k-wires and figure of eight tension band wiring for simple transverse fractures and olecranon hook plate for comminuted fractures The present study is undertaken to evaluate the results of surgical management, the merits and demerits and to asses elbow joint motion and stability after the procedure.MATERIALS AND METHODS: It is a prospective study which was carried out from September 2010 to September 2012 in Bapuji Hospital and Chigateri General Hospital attached toJ.J.M Medical College, Davangere. In this study period of 25 cases of fracture olecranon treated by Tension band wiring with Kirshner wire for Simple transverse fractures and Olecranon hook plate for Communited fracturesRESULTS: In our series, majority of the patients were males, middle aged, with road traffic accident being the commonest mode of injury, Most of the cases were Type II B fractures i.e., oblique and transverse fractures according to Colton’s classification Surgery was performed with in 3.48 average days, Union was noted clinically and radiologically and functional evaluation was done by Mayo elbow performance score. Excellent results was present in 18 patients (72%), 4(16%) good and 3(12%) fair with no poor results.INTERPRETATION /CONCLUSION From the present study it is concluded that the technique of open reduction and internal fixation with Kirschner wires and tension band wiring for simple transverse and oblique fractures and olecranon plate fixation for comminuted fractures are effective means and gold standard technique of treating fractures of olecranon and is based on sound biomechanical principle.

Published
2022
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39. Cell Segmentation by Modified U-Net Architecture for Biomedical Images

Author

Mahesh Kumar T N, A. V. Narasimhadhan, and C Akshay Kumar

Subjects
Computer science, Intersection (set theory), business.industry, ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, Image processing, Pattern recognition, Image segmentation, Function (mathematics), Convolutional neural network, Field (computer science), Domain (software engineering), Segmentation, Artificial intelligence, business
Abstract

Biomedical image segmentation is one of the main and fast growing field in medical image processing domain. Deep neural networks is one of the popular field used for image segmentation. Convolutional neural networks(CNNs) in deep neural networks have shown good performance for biomedical image segmentation. However, a strong notion exists that large number of annotated images are required for training of CNNs. Therefore, in this paper we have come up with a modified U-Net architecture for limited number of annotated data with an intersection over union score of 92.54%. The architecture uses rectified-adam optimizer(advanced version of adam) for minimizing the loss function which helps us to come close to global optima. We have also compared the performance of various optimizers on the proposed network.

Published
2020
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49. Energy harvesting techniques and non-orthogonal multiple access for UASNs.

Author

Kumar, T. N. Sreedhar, Goutham, Veerapu, and Harigovindan, V. P.

Subjects
ENERGY harvesting, SENSOR networks, UNDERWATER imaging systems, INTERNET of things, SOUND waves
Abstract

Underwater sensor networks (USNs) play a key role for applications such as underwater defense, underwater imaging, internet of underwater things, underwater navigation and so on. In USNs, acoustic waves have been referred over the radio frequency (RF) waves or optical waves to communicate between sensor nodes, buoys, and autonomous underwater vehicles (AUVs). The acoustic waves in underwater acoustic sensor networks (UASNs) have a much lower bandwidth of up to a few kHz, resulting in a lower achievable data rate. Generally, the sensor nodes have been deployed on the beds of the oceans. So, it is very difficult to recharge or replace them, once the batteries of the sensor nodes are drain off. Hence, achievable data rate and energy efficiency (EE) has to be improved simultaneously in UASNs. In this paper, we have presented different non-orthogonal multiple access techniques to improve data rate and various energy harvesting techniques proposed for UASNs to improve the EE. [ABSTRACT FROM AUTHOR]

Published
2021

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