A Quality Based Motion Estimation Criterion for Temporal Coding of Video. - Ravindra Kumar Purwar; Nupur Prakash; Navin Rajpal (ICAPR, 2009)

A matching criterion for motion compensation in the temporal coding of video signal. - Ravindra Kumar Purwar; Nupur Prakash; Navin Rajpal (Signal Image Video Process., 2011)

Normalised LCS-based method for indexing multidimensional data cube. - Mayank Sharma; Navin Rajpal; B. V. Ramana Reddy; Ravindra Kumar Purwar (Int. J. Intell. Inf. Database Syst., 2013)

A Multilevel Distortion Measure for Block Based Motion estimation using integral Frames. - Ravindra Kumar Purwar; Navin Rajpal (J. Circuits Syst. Comput., 2013)

A fast block motion estimation algorithm using dynamic pattern search. - Ravindra Kumar Purwar; Navin Rajpal (Signal Image Video Process., 2013)

A Five-Level Wavelet Decomposition and Dimensional Reduction Approach for Feature Extraction and Classification of MR and CT Scan Images. - Varun Srivastava; Ravindra Kumar Purwar (Appl. Comput. Intell. Soft Comput., 2017)

A new fast motion estimation algorithm using adaptive size diamond pattern search with early search termination. - Shaifali Madan Arora; Navin Rajpal; Ravindra Kumar Purwar (Int. J. Comput. Vis. Robotics, 2017)

Enhanced dynamic pattern search algorithm with weighted search points for fast motion estimation. - Ravindra Kumar Purwar (Signal Image Video Process., 2017)

Handwritten Hindi character recognition: a review. - Madhuri Yadav; Ravindra Kumar Purwar; Mamta Mittal (IET Image Process., 2018)

Cryptanalysis and improvement of an image encryption scheme using combination of one-dimensional chaotic maps. - Kirtee Panwar; Ravindra Kumar Purwar; Anchal Jain (J. Electronic Imaging, 2018)

Hindi handwritten character recognition using oriented gradients and Hu-geometric moments. - Madhuri Yadav; Ravindra Kumar Purwar (J. Electronic Imaging, 2018)

Cryptanalysis and Improvement of a Color Image Encryption Scheme Based on DNA Sequences and Multiple 1D Chaotic Maps. - Kirtee Panwar; Ravindra Kumar Purwar; Anchal Jain (Int. J. Bifurc. Chaos, 2019)

A dynamic threshold-based local mesh ternary pattern technique for biomedical image retrieval. - Varun Srivastava; Ravindra Kumar Purwar; Anchal Jain (Int. J. Imaging Syst. Technol., 2019)

Classification of CT Scan Images of Lungs Using Deep Convolutional Neural Network with External Shape-Based Features. - Varun Srivastava; Ravindra Kumar Purwar (J. Digit. Imaging, 2020)

A Fast Encryption Scheme Suitable for Video Surveillance Applications Using SHA-256 Hash Function and 1D Sine-Sine Chaotic Map. - Kirtee Panwar; Ravindra Kumar Purwar; Garima Srivastava (Int. J. Image Graph., 2021)

Crowd Abnormality Detection Using Optical Flow and GLCM-Based Texture Features. - Ruchika Lalit; Ravindra Kumar Purwar (J. Inf. Technol. Res., 2022)

Correction to: Crowd abnormality detection in video sequences using supervised convolutional neural network. - Ruchika Lalit; Ravindra Kumar Purwar; Shailesh Verma; Anchal Jain (Multim. Tools Appl., 2022)

Crowd abnormality detection in video sequences using supervised convolutional neural network. - Ruchika; Ravindra Kumar Purwar; Shailesh Verma; Anchal Jain (Multim. Tools Appl., 2022)

An augmented mammogram image dataset and its performance analysis for various classification models. - Bhanu Prakash Sharma; Ravindra Kumar Purwar (Multim. Tools Appl., 2023)