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Alumni
Dr. Ankur
Assistant Professor (Grade-II), NIT DelhiComputer Science and Engineering, NIT Delhi
NPerseus alumnus · Image security and quantum cryptography
13
Publications
About
Dr. Ankur is a NPerseus alumnus and an Assistant Professor at NIT Delhi. His research covers reversible data hiding, image security and cryptography, including post-quantum security and quantum steganography. He earned his Ph.D. at DTU in 2024.
Research focus · Reversible Data Hiding in Encrypted Images, Image Security, Cryptography, Quantum Computing
Education
- Ph.D., Delhi Technological University (2024)
- M.Tech., NIT Jalandhar (2013)
- B.Tech. in Information Technology, CCS University (2009)
Key Projects
Quantum Computing and Cryptography Lab
Developing the lab at NIT Delhi; the official laboratory-development record lists 2026.
Project record →
Patents · 6
- Method and System for Context-Aware Dynamic Access Control of Interactive Interfaces in User Devices ↗IN 582601 · GrantedRajeev Kumar, Ankur, Franklin John, Shailender Kumar, Ananthan R, Ayush Kumar, Naveen Dahiya, Yogendra Mohan, Itti
- Method and System for Automatic Transmission of Authentication Code ↗IN 564225 · GrantedRajeev Kumar, Anurag Goel, Shailender Kumar, Pankaj Lathar, Ankur, Pallavi Ranjan, Pradeep Kamboj
- Method and System for Generating Dynamic Alert in a Messaging Platform ↗IN 568874 · GrantedPallavi Ranjan, Ankur, Navdeep Bohra, Neeti Sangwan, Saurabh Agarwal, Anurag Goel, Shailender Kumar, Rajeev Kumar
- System and Method for Hiding Data in Images ↗IN 572628 · GrantedAnkur, Rajeev Kumar
- AI-Driven Configuration Clustering and Blockchain Privacy System ↗IN 595248 · GrantedRajeev Kumar, Vinod Kumar, Shailender Kumar, Sonal Gandhi, Pallavi Ranjan, Ankur, Neeti Sangwan, Navdeep Bohra, Rahul Kumar
- System and Method for Adaptation of Video or Playlist Thumbnails based on User Preferences ↗IN 576746 · GrantedRajeev Kumar, Shailender Kumar, Vinod Kumar, Pankaj Lathar, Anil Sangwan, Saurabh Agarwal, Ankur, Abha Devi
Publications · 13
- Journal articleA Dive into Generative Adversarial Networks in the World of Hyperspectral Imaging: A Survey of the State of the ArtPallavi Ranjan, Ankur Nandal, Saurabh Agarwal, Rajeev KumarRemote Sensing, vol. 18(2), article 196 · 2026Catalogue record →DOI: 10.3390/rs18020196 ↗
- Journal articleA Residual Pyramid-GAN Approach for Hyperspectral Image ClassificationPallavi Ranjan, Ankur, Rajeev KumarAnnals of Data Science · 2026Catalogue record →DOI: 10.1007/s40745-025-00671-3 ↗
- Conference paperA Survey on Reversible Adversarial PerturbationsNikhil Gupta, Ankur, Rajeev Kumar2026 Fourth International Conference on Secure Cyber Computing and Communications (ICSCCC), pp. 930–935 · 2026Catalogue record →DOI: 10.1109/ICSCCC69031.2026.11600314 ↗
- Journal articleIntelligent Energy-Aware Routing via Protozoa Behavior in IoT-Enabled WSNsSamayveer Singh, Vikas Tyagi, Aruna Malik, Rajeev Kumar, Ankur, Neeraj KumarIEEE Transactions on Network and Service Management, vol. 23, pp. 1960–1969 · 2026Catalogue record →DOI: 10.1109/TNSM.2025.3636202 ↗
- Book chapterExploring technological trend and collaboration analysis in reversible data hiding in encrypted imagesAnkur, Sonal Gandhi, Rajeev Kumar, Ki-Hyun JungFortressing Pixels: Information Security for Images, Videos, Audio and Beyond, pp. 53–76 · 2025Catalogue record →DOI: 10.1049/PBSE030E_ch4 ↗
- Journal articleHigh-capacity reversible data hiding in encrypted images based on difference image transfigurationAnkur, Rajeev Kumar, Ajay K. Sharma, Pallavi RanjanSignal, Image and Video Processing, vol. 19(5), article 365 · 2025Catalogue record →DOI: 10.1007/s11760-025-03911-4 ↗
- Journal articleLeveraging rANS for synchronized high capacity reversible data hiding in encrypted imageAnkur, Rajeev Kumar, Pallavi Ranjan, Ki-Hyun JungExpert Systems with Applications, vol. 267, article 126181 · 2025Catalogue record →DOI: 10.1016/j.eswa.2024.126181 ↗
- Journal articleReversible data hiding in encrypted image using bit-plane based label-map encoding with optimal block sizeAnkur, Rajeev Kumar, Ajay K. SharmaJournal of Information Security and Applications, vol. 90, article 104005 · 2025Catalogue record →DOI: 10.1016/j.jisa.2025.104005 ↗
- Journal articleA novel spectral-spatial 3D auxiliary conditional GAN integrated convolutional LSTM for hyperspectral image classificationPallavi Ranjan, Ashish Girdhar, Ankur, Rajeev KumarEarth Science Informatics, vol. 17(6), pp. 5251–5271 · 2024Catalogue record →DOI: 10.1007/s12145-024-01451-y ↗
- Conference paperAdaptive AMBTC based Reversible Data Hiding in Encrypted ImagesKushagra Gupta, Ankur, Rajeev Kumar2024 15th International Conference on Computing Communication and Networking Technologies (ICCCNT), pp. 1–6 · 2024Catalogue record →DOI: 10.1109/ICCCNT61001.2024.10725238 ↗
- Journal articleBit-Plane Based Reversible Data Hiding in Encrypted Images Using Multi-Level Blocking With Quad-TreeAnkur, Rajeev Kumar, Ajay K. SharmaIEEE Transactions on Multimedia, vol. 26, pp. 4722–4735 · 2024Catalogue record →DOI: 10.1109/TMM.2023.3325993 ↗
- Journal articleLink chain driven reversible data hiding in encrypted images for high payloadAnkur, Rajeev Kumar, Ajay K. SharmaSignal, Image and Video Processing, vol. 18(8–9), pp. 5841–5856 · 2024Catalogue record →DOI: 10.1007/s11760-024-03275-1 ↗
- Journal articleHigh capacity reversible data hiding with contiguous space in encrypted imagesAnkur, Rajeev Kumar, Ajay K. SharmaComputers and Electrical Engineering, vol. 112, article 109017 · 2023Catalogue record →DOI: 10.1016/j.compeleceng.2023.109017 ↗