Ravindra Kumar Purwar

19 papers Journal 18Unranked 1
YearRankTypeTitle / Venue / Authors
2023 J jnl
An augmented mammogram image dataset and its performance analysis for various classification models.
Multim. Tools Appl.
Bhanu Prakash Sharma, Ravindra Kumar Purwar
2022 J jnl
Correction to: Crowd abnormality detection in video sequences using supervised convolutional neural network.
Multim. Tools Appl.
Ruchika Lalit, Ravindra Kumar Purwar, Shailesh Verma, Anchal Jain
2022 J jnl
Crowd Abnormality Detection Using Optical Flow and GLCM-Based Texture Features.
J. Inf. Technol. Res.
Ruchika Lalit, Ravindra Kumar Purwar
2022 J jnl
Crowd abnormality detection in video sequences using supervised convolutional neural network.
Multim. Tools Appl.
Ruchika, Ravindra Kumar Purwar, Shailesh Verma, Anchal Jain
2021 J jnl
A Fast Encryption Scheme Suitable for Video Surveillance Applications Using SHA-256 Hash Function and 1D Sine-Sine Chaotic Map.
Int. J. Image Graph.
Kirtee Panwar, Ravindra Kumar Purwar, Garima Srivastava
2020 J jnl
Classification of CT Scan Images of Lungs Using Deep Convolutional Neural Network with External Shape-Based Features.
J. Digit. Imaging
Varun Srivastava, Ravindra Kumar Purwar
2019 J jnl
A dynamic threshold-based local mesh ternary pattern technique for biomedical image retrieval.
Int. J. Imaging Syst. Technol.
Varun Srivastava, Ravindra Kumar Purwar, Anchal Jain
2019 J jnl
Cryptanalysis and Improvement of a Color Image Encryption Scheme Based on DNA Sequences and Multiple 1D Chaotic Maps.
Int. J. Bifurc. Chaos
Kirtee Panwar, Ravindra Kumar Purwar, Anchal Jain
2018 J jnl
Cryptanalysis and improvement of an image encryption scheme using combination of one-dimensional chaotic maps.
J. Electronic Imaging
Kirtee Panwar, Ravindra Kumar Purwar, Anchal Jain
2018 J jnl
Handwritten Hindi character recognition: a review.
IET Image Process.
Madhuri Yadav, Ravindra Kumar Purwar, Mamta Mittal
2018 J jnl
Hindi handwritten character recognition using oriented gradients and Hu-geometric moments.
J. Electronic Imaging
Madhuri Yadav, Ravindra Kumar Purwar
2017 J jnl
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.
Varun Srivastava, Ravindra Kumar Purwar
2017 J jnl
A new fast motion estimation algorithm using adaptive size diamond pattern search with early search termination.
Int. J. Comput. Vis. Robotics
Shaifali Madan Arora, Navin Rajpal, Ravindra Kumar Purwar
2017 J jnl
Enhanced dynamic pattern search algorithm with weighted search points for fast motion estimation.
Signal Image Video Process.
Ravindra Kumar Purwar
2013 J jnl
A Multilevel Distortion Measure for Block Based Motion estimation using integral Frames.
J. Circuits Syst. Comput.
Ravindra Kumar Purwar, Navin Rajpal
2013 J jnl
A fast block motion estimation algorithm using dynamic pattern search.
Signal Image Video Process.
Ravindra Kumar Purwar, Navin Rajpal
2013 J jnl
Normalised LCS-based method for indexing multidimensional data cube.
Int. J. Intell. Inf. Database Syst.
Mayank Sharma, Navin Rajpal, B. V. Ramana Reddy, Ravindra Kumar Purwar
2011 J jnl
A matching criterion for motion compensation in the temporal coding of video signal.
Signal Image Video Process.
Ravindra Kumar Purwar, Nupur Prakash, Navin Rajpal
2009 — conf
A Quality Based Motion Estimation Criterion for Temporal Coding of Video.
ICAPR
Ravindra Kumar Purwar, Nupur Prakash, Navin Rajpal