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Ajit Kumar Yadav
Research Team

Ajit Kumar Yadav

Full-time Ph.D. CandidateComputer Science and Engineering
Full-time Ph.D. candidate @ DTU · Reversible data hiding & AI security
3
Publications

About

Ajit Kumar Yadav is a full-time Ph.D. candidate in Computer Science and Engineering at Delhi Technological University. DTU records his 2024–2026 M.Tech (Research) thesis as “Development of High-Capacity Reversible Data Hiding Methods for Encrypted Images.” His 2026 research output includes two IEEE ICSCCC papers on reversible data hiding in encrypted images and the IEEE ISDFS paper ShortcutProbe on backdoor-sample detection. He is also a co-inventor on two granted Indian patents covering secure electric-vehicle charging and prioritized data delivery.

Research focus · Reversible Data Hiding in Encrypted Images, Image Security, Backdoor Detection in Neural Networks

Achievements

  • Published three IEEE conference papers in 2026, including two ICSCCC papers on reversible data hiding in encrypted images and the ISDFS paper ShortcutProbe on backdoor-sample detection. Co-inventor on Indian Patent Nos. 588448 and 600475, both granted in 2026.

Key Projects

  • High-Capacity Reversible Data Hiding in Encrypted Images

    DTU-recorded M.Tech (Research) thesis topic aligned with his two IEEE ICSCCC 2026 papers.

  • MRI Brain Tumor Segmentation

    public TensorFlow/Keras notebook implementing ResUNet segmentation with focal Tversky loss.

  • Carotid Artery Segmentation

    public TensorFlow/Keras U-Net notebook for ultrasound-image segmentation.

  • Vehicle Insurance MLOps

    public FastAPI training and prediction pipeline with MongoDB ingestion, S3 model storage and Docker packaging.

Patents

  • Ajit Kumar Yadav, Ayush Kumar, Dheeraj Joshi and Rajeev Kumar, “System and Method for Securely Charging Electric Vehicle,” Indian Patent Application No. 202511054094; Indian Patent No. 588448, filed June 4, 2025, published June 20, 2025, and granted May 6, 2026.
  • Ajit Kumar Yadav and Rajeev Kumar, “A System and Method for Prioritized Data Delivery,” Indian Patent Application No. 202511070240; Indian Patent No. 600475, filed July 23, 2025, published August 15, 2025, and granted August 25, 2026.

Publications · 3

  1. Conference paper
    Index-Modulated High-Capacity Reversible Data Hiding in Encrypted Images
    Ajit Kumar Yadav, Rajeev Kumar
    2026 Fourth International Conference on Secure Cyber Computing and Communications (ICSCCC), pp. 332–337 · 2026
    DOI: 10.1109/ICSCCC69031.2026.11600193 ↗
  2. Conference paper
    Adaptive Weighted Predictor for Checkerboard based Reversible Data Hiding in Encrypted Images
    Ajit Kumar Yadav, Rajeev Kumar
    2026 Fourth International Conference on Secure Cyber Computing and Communications (ICSCCC), pp. 338–343 · 2026
    DOI: 10.1109/ICSCCC69031.2026.11600293 ↗
  3. Conference paper
    ShortcutProbe: Identifying Backdoor Samples Via Internal Stability Analysis
    Mahaveer Prasad, Ajit Kumar Yadav, Rajeev Kumar, Victor Fedoseev
    2026 14th International Symposium on Digital Forensics and Security (ISDFS), pp. 1–6 · 2026
    DOI: 10.1109/ISDFS69419.2026.11459068 ↗