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ORCIDRavindra Kumar Purwar
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2020 – today
- 2023
[j18]Bhanu Prakash Sharma
, Ravindra Kumar Purwar:
An augmented mammogram image dataset and its performance analysis for various classification models. Multim. Tools Appl. 82(21): 32011-32055 (2023)- 2022
- [j17]Ruchika Lalit, Ravindra Kumar Purwar:
Crowd Abnormality Detection Using Optical Flow and GLCM-Based Texture Features. J. Inf. Technol. Res. 15(1): 1-15 (2022) - [j16]Ruchika, Ravindra Kumar Purwar, Shailesh Verma, Anchal Jain:
Crowd abnormality detection in video sequences using supervised convolutional neural network. Multim. Tools Appl. 81(4): 5259-5277 (2022) - [j15]Ruchika Lalit, Ravindra Kumar Purwar, Shailesh Verma, Anchal Jain:
Correction to: Crowd abnormality detection in video sequences using supervised convolutional neural network. Multim. Tools Appl. 81(22): 32701 (2022) - 2021
- [j14]Kirtee Panwar, Ravindra Kumar Purwar, Garima Srivastava:
A Fast Encryption Scheme Suitable for Video Surveillance Applications Using SHA-256 Hash Function and 1D Sine-Sine Chaotic Map. Int. J. Image Graph. 21(2): 2150022:1-2150022:25 (2021) - 2020
- [j13]Varun Srivastava, Ravindra Kumar Purwar:
Classification of CT Scan Images of Lungs Using Deep Convolutional Neural Network with External Shape-Based Features. J. Digit. Imaging 33(1): 252-261 (2020)
2010 – 2019
- 2019
- [j12]Kirtee Panwar, Ravindra Kumar Purwar, Anchal Jain:
Cryptanalysis and Improvement of a Color Image Encryption Scheme Based on DNA Sequences and Multiple 1D Chaotic Maps. Int. J. Bifurc. Chaos 29(8): 1950103:1-1950103:24 (2019) - [j11]Varun Srivastava, Ravindra Kumar Purwar, Anchal Jain:
A dynamic threshold-based local mesh ternary pattern technique for biomedical image retrieval. Int. J. Imaging Syst. Technol. 29(2): 168-179 (2019) - 2018
- [j10]Madhuri Yadav, Ravindra Kumar Purwar, Mamta Mittal:
Handwritten Hindi character recognition: a review. IET Image Process. 12(11): 1919-1933 (2018) - [j9]Madhuri Yadav, Ravindra Kumar Purwar:
Hindi handwritten character recognition using oriented gradients and Hu-geometric moments. J. Electronic Imaging 27(05): 051216 (2018) - [j8]Kirtee Panwar, Ravindra Kumar Purwar, Anchal Jain:
Cryptanalysis and improvement of an image encryption scheme using combination of one-dimensional chaotic maps. J. Electronic Imaging 27(05): 053037 (2018) - 2017
- [j7]Varun Srivastava, Ravindra Kumar Purwar:
A Five-Level Wavelet Decomposition and Dimensional Reduction Approach for Feature Extraction and Classification of MR and CT Scan Images. Appl. Comput. Intell. Soft Comput. 2017: 9571262:1-9571262:9 (2017) - [j6]Shaifali Madan Arora, Navin Rajpal, Ravindra Kumar Purwar:
A new fast motion estimation algorithm using adaptive size diamond pattern search with early search termination. Int. J. Comput. Vis. Robotics 7(6): 623-643 (2017) - [j5]Ravindra Kumar Purwar:
Enhanced dynamic pattern search algorithm with weighted search points for fast motion estimation. Signal Image Video Process. 11(6): 1001-1007 (2017) - 2013
- [j4]Mayank Sharma, Navin Rajpal, B. V. Ramana Reddy, Ravindra Kumar Purwar:
Normalised LCS-based method for indexing multidimensional data cube. Int. J. Intell. Inf. Database Syst. 7(2): 180-204 (2013) - [j3]Ravindra Kumar Purwar, Navin Rajpal:
A Multilevel Distortion Measure for Block Based Motion estimation using integral Frames. J. Circuits Syst. Comput. 22(2) (2013) - [j2]Ravindra Kumar Purwar, Navin Rajpal:
A fast block motion estimation algorithm using dynamic pattern search. Signal Image Video Process. 7(1): 151-161 (2013) - 2011
- [j1]Ravindra Kumar Purwar, Nupur Prakash, Navin Rajpal:
A matching criterion for motion compensation in the temporal coding of video signal. Signal Image Video Process. 5(2): 133-139 (2011)
2000 – 2009
- 2009
- [c1]Ravindra Kumar Purwar, Nupur Prakash, Navin Rajpal:
A Quality Based Motion Estimation Criterion for Temporal Coding of Video. ICAPR 2009: 61-64
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