Ravindra Kumar Purwar - researchr alias

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Viewing Publication 1 - 17 from 17

2023

An augmented mammogram image dataset and its performance analysis for various classification modelsBhanu Prakash Sharma, Ravindra Kumar Purwar. mta, 82(21):32011-32055, September 2023. [doi]

2022

Correction to: Crowd abnormality detection in video sequences using supervised convolutional neural networkRuchika Lalit, Ravindra Kumar Purwar, Shailesh Verma, Anchal Jain. mta, 81(22):32701, 2022. [doi]

Crowd Abnormality Detection Using Optical Flow and GLCM-Based Texture FeaturesRuchika Lalit, Ravindra Kumar Purwar. jitr, 15(1):1-15, 2022. [doi]

Crowd abnormality detection in video sequences using supervised convolutional neural networkRuchika, Ravindra Kumar Purwar, Shailesh Verma, Anchal Jain. mta, 81(4):5259-5277, 2022. [doi]

2021

A Fast Encryption Scheme Suitable for Video Surveillance Applications Using SHA-256 Hash Function and 1D Sine-Sine Chaotic MapKirtee Panwar, Ravindra Kumar Purwar, Garima Srivastava. ijig, 21(2), 2021. [doi]

2019

Cryptanalysis and Improvement of a Color Image Encryption Scheme Based on DNA Sequences and Multiple 1D Chaotic MapsKirtee Panwar, Ravindra Kumar Purwar, Anchal Jain. IJBC, 29(8):1950103, 2019. [doi]

A dynamic threshold-based local mesh ternary pattern technique for biomedical image retrievalVarun Srivastava, Ravindra Kumar Purwar, Anchal Jain. imst, 29(2):168-179, 2019. [doi]

2018

Cryptanalysis and improvement of an image encryption scheme using combination of one-dimensional chaotic mapsKirtee Panwar, Ravindra Kumar Purwar, Anchal Jain. jei, 27(05):53037, 2018. [doi]

Hindi handwritten character recognition using oriented gradients and Hu-geometric momentsMadhuri Yadav, Ravindra Kumar Purwar. jei, 27(05):51216, 2018. [doi]

Handwritten Hindi character recognition: a reviewMadhuri Yadav, Ravindra Kumar Purwar, Mamta Mittal. iet-ipr, 12(11):1919-1933, 2018. [doi]

2017

A new fast motion estimation algorithm using adaptive size diamond pattern search with early search terminationShaifali Madan Arora, Navin Rajpal, Ravindra Kumar Purwar. ijcvr, 7(6):623-643, 2017. [doi]

A Five-Level Wavelet Decomposition and Dimensional Reduction Approach for Feature Extraction and Classification of MR and CT Scan ImagesVarun Srivastava, Ravindra Kumar Purwar. acisc, 2017, 2017. [doi]

2013

A fast block motion estimation algorithm using dynamic pattern searchRavindra Kumar Purwar, Navin Rajpal. sivp, 7(1):151-161, 2013. [doi]

A Multilevel Distortion Measure for Block Based Motion estimation using integral FramesRavindra Kumar Purwar, Navin Rajpal. jcsc, 22(2), 2013. [doi]

Normalised LCS-based method for indexing multidimensional data cubeMayank Sharma, Navin Rajpal, B. V. Ramana Reddy, Ravindra Kumar Purwar. ijiids, 7(2):180-204, 2013. [doi]

2011

A matching criterion for motion compensation in the temporal coding of video signalRavindra Kumar Purwar, Nupur Prakash, Navin Rajpal. sivp, 5(2):133-139, 2011. [doi]

2009

A Quality Based Motion Estimation Criterion for Temporal Coding of VideoRavindra Kumar Purwar, Nupur Prakash, Navin Rajpal. icapr 2009: 61-64 [doi]

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