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parasharcuraj/README.md

Himanshu Kumar Parashar

Deep Learning Researcher · Medical Image Analysis · Healthcare AI · LLM Evaluator

Integrated M.Sc. Computer Science · Central University of Rajasthan, Ajmer, India (2021–2026)


🚀 What I Do

I build deep learning systems that detect cancer from tissue slides, segment organs from 3D MRI, and decode brain signals — with results that beat published state-of-the-art benchmarks. I also design adversarial CS tasks that expose where frontier LLMs fail, bridging research and model evaluation.

📍 Ajmer, India  |  📧 hkp2857@gmail.com  |  LinkedIn  |  🎓 Seeking PhD / Research positions


Research Experience

Period Institute Project
Dec 2025 – Present National Institute of Technology, Jamshedpur Oral Cancer Detection · DWT-Gabor Swin Transformer
Aug – Nov 2025 Indian Institute of Technology, Kharagpur EEG · Autism Detection · P300 BCI
May – Jul 2025 IIITDM Kurnool Human Activity Recognition · BiLSTM-Transformer

🏆 Key Results

Model Task My Result Previous SOTA Improvement
DCFNet (Thesis) 3D Liver Segmentation · T2-MRI 92.22% Dice 86.51% +5.71 pp
Inception-V3 + Huber Fundus Image Quality (FIQA) SRCC 0.9459 TRIQ, HyperIQA Top result
BiLSTM-Transformer Human Activity Recognition 95.80% Acc BiLSTM baseline Best of 6
CNN Lung Cancer · DICOM CT 98.64% Acc ANN 85.69% +12.95 pp

LLM Benchmarking Work

→ llm-cs-eval-tasks — 15 real systems engineering tasks that expose LLM reasoning failures

I design and evaluate complex CS debugging tasks as part of active LLM benchmarking work. These tasks cover:

  • Protocol bugs requiring RFC-level spec knowledge (DNSSEC, HTTP/2, UART)
  • Systems debugging with no documentation — format must be reverse-engineered from binaries (WAL, eBPF, custom ISA)
  • Multi-layer cascade failures where fixing layer A reveals bugs in B, C, D
  • Custom codecs, embedded linker scripts, distributed tracing pipelines

Failure patterns I document: cascade reasoning, spec inference, simultaneous multi-layer repair, byte-identical precision, edge-case semantics

This work maps directly to: AI Evaluator · LLM Red Teamer · Benchmark Dataset Creator


🧠 Active Research

🦷 Oral Cancer Detection — NIT Jamshedpur (Dec 2025 – Present)

  • Designing a DWT-Gabor Fusion Swin Transformer for early-stage OSCC classification from H&E-stained histopathological images
  • Novel 4th-channel input strategy: fusing multi-level Haar DWT + Gabor filter energy maps → stain-invariant frequency-domain features (cell boundaries, nuclear texture, tissue architecture)
  • Replacing standard ViT patch merging with DWT-based patch merging — preserves edge and texture information critical for fine morphological distinction
  • Benchmarking on NDB-UFES dataset (237 images, 3 classes) · correcting data leakage in prior work · 5-fold stratified image-level CV

🧬 DCFNet: 3D Liver Segmentation — Master's Thesis

  • Dual-encoder architecture with Cross-Attention Fusion Module (CAFM): bidirectional cross-attention + learned per-voxel spatial gating
  • Extended Coordinate Attention from 2D → 3D for volumetric medical image analysis
  • Pipeline: PyTorch + MONAI · boundary-aware loss · deep supervision · mixed-precision · single NVIDIA T4 GPU
  • Evaluated on 318 3D MRI volumes (CirrMRI600+) · 4 baselines · 6-variant ablation study · statistical significance testing

🔭 Research Interests

Deep Learning   Medical Image Analysis   3D Volumetric Segmentation   Computational Pathology
Oral Cancer Detection   Vision Transformers   Retinal Image Quality Assessment
EEG / BCI Systems   Wavelet-Based Feature Extraction   Healthcare AI   Time-Series Classification


🛠️ Technical Stack

ML / DL Frameworks  →  PyTorch TensorFlow MONAI Keras Scikit-learn
Medical Imaging  →  DICOM OpenCV OpenSlide Stain Normalization Patch Extraction Image Segmentation
Signal Processing  →  SciPy PyWavelets DWT Gabor Filters Band-pass Filtering Artifact Removal
Languages  →  Python C/C++ Java
Tools  →  Git Docker FastAPI PostgreSQL LaTeX Jupyter VS Code


📌 Featured Projects

Project What I built Key metric
🧬 DCFNet – 3D Liver Segmentation Dual-encoder CNN · Cross-attention fusion · 3D MRI 92.22% Dice
🤖 AI-Interview-Assistant LLM-powered technical recruiter · scoring dashboard End-to-end AI pipeline
🚂 RailSathiBE-Docker Dockerized complaint system · Redis · JWT Production-grade backend
🔑 kpa-api FastAPI · JWT auth · PostgreSQL REST API Secure, scalable

📊 GitHub Activity

Himanshu's GitHub stats   Top Languages

GitHub Streak


💬 I'm actively looking for PhD opportunities and research collaborations in AI-driven healthcare and computational pathology. Let's connect.

LinkedIn

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