Ravindra Kumar Purwar

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 · International Journal of Bifurcation and Chaos · 2019 · 30 citations

Plain Image, Engineering, Encryption Scheme +13

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 · Applied Computational Intelligence and Soft Computing · 2017 · 27 citations · Full text

Engineering, Decomposition Algorithm, Feature Extraction +22

Crowd abnormality detection in video sequences using supervised convolutional neural network

Ruchika Lalit, Ravindra Kumar Purwar, Shailesh Kumar Verma et al. · Multimedia Tools and Applications · 2021 · 24 citations

Crowd Abnormality Detection, Machine Vision, Machine Learning +11

Hindi handwritten character recognition using multiple classifiers

Madhuri Yadav, Ravindra Kumar Purwar · 2017 · 19 citations

Image Analysis, Engineering, Optical Character Recognition +9

Bending and SAR analysis on UWB wearable MIMO antenna for on-arm WBAN applications

Shailesh Jayant, Garima Srivastava, Ravindra Kumar Purwar · Frequenz · 2021 · 19 citations

Planar Ultra-wideband, Body Area Network, Engineering +16