Md Ehashan
Rabbi Pial
I'm a Computer Science graduate researcher at Georgia Southern University, working on 3D deep-learning pipelines for protein structure and actin filament segmentation from cryo-EM data. Before academia I spent two years building production backend systems in Go and Java. I care about clean, reusable code and research that holds up to scrutiny.
Education & Experience
A research-driven path through academia and two years building production software.
Education
Georgia Southern University
- GPA 3.84 / 4.00 — Allen E. Paulson Student Scholarship Endowment recipient ($1,000).
- Graduate Research Assistant under Dr. Salim Sazzed, developing 3D deep-learning pipelines in Python/C++ for protein secondary-structure and actin-filament segmentation from cryo-EM density maps.
- Built reproducible training/evaluation pipelines for 3D U-Net, Residual U-Net, and Swin-UNETR-style models across varying resolutions.
- Coursework: Image Processing, Artificial Intelligence, Object-Oriented Programming.
Khulna University of Engineering & Technology (KUET)
- CGPA 3.73 / 4.00 — Class Position 14th of 120.
- Dean's Award (2022–2023) for academic excellence.
- Government Merit Scholarship for performance in SSC & HSC examinations.
Experience
Graduate Research Assistant
- Voxel-level segmentation of alpha helices, beta sheets, NPSS, and DNA/RNA from cryo-EM density maps across varying resolutions.
- Built reproducible training and evaluation pipelines for 3D U-Net, Residual U-Net, and Swin-UNETR-style models — including preprocessing, transfer-learning experiments, and per-class metrics.
- Findings on protein SS segmentation currently in preparation for publication.
Jr. Software Engineer
- Cut production bugs by 30% by building a Golang unit-testing suite and integrating automated tests into GitLab CI/CD.
- Refactored duplicated logic with the Factory Design Pattern, enabling a single codebase to serve 20+ sites.
- Implemented asynchronous frontend-backend interactions with AJAX for dynamic updates without full-page reloads.
Jr. Software Engineer
- Built a multi-company ERP platform (Spring Boot, React.js, Node.js, MongoDB) supporting task management, real-time tracking, and dashboards.
- Developed a reusable UI-testing framework in Java with Selenium for scalable workflow automation.
- Stood up an in-house Active Directory service with API support on Linux.
Selected Publications
Peer-reviewed work in deep learning, medical imaging, and bioinformatics.
Evaluating Deep Learning Architectures for Actin Filament Segmentation Under Varying Noise Conditions in Simulated Cryo-ET Tomograms
SocialDemoExtract: A Tool for Extracting Self-Reported Age and Gender from Social Media Text
Featured Projects
From research frameworks to full-stack systems.
CSP-TransUNet — Fuzzy Cluster-Guided Transformer
Hybrid CNN–Transformer for medical image segmentation extending TransUNet with dual-bias self-attention driven by fuzzy-cluster similarity and Gaussian spatial priors, plus an FCM-guided skip-gating mechanism that modulates CNN skip features to emphasize anatomically relevant regions.
TrRes — Transformer + ResNet Weld Defect Classifier
Transformer–ResNet50 fusion architecture for classifying cracks, lack of penetration, porosity, and defect-free weld radiographs. Guided filtering and CLAHE preprocessing pushed test accuracy to 98.93% on the RIAWELC dataset.