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zkoymen/README.md

Zeynep Köymen

Computer Engineering student at Ankara University. I work on machine learning systems — computer vision engineering (medical imaging, object detection, tracking) on one side, machine learning engineering (classical methods, end-to-end pipelines, LLM systems) on the other.

🔬 Melanoma detection on dermoscopy images

Paper

melanoma-detection-ham10000 started as our Digital Image Processing course project and grew into a paper at TOK 2026, the 27th National Conference on Automatic Control. Ten classical and deep methods compared under one lesion-grouped, leakage-audited protocol, with Grad-CAM maps showing which parts of a lesion each network relies on.

What I work on

Computer Vision Engineering Machine Learning Engineering
yolo26-cnn-architecture-lab — taking YOLO26 apart: feature maps, C3k2 block ablations, pretrained weight transfer and fine-tuning. neo4j-movie-knowledge-graph — graph data science on the Neo4j recommendations dataset: graph validation, topology metrics and feature extraction on a movie knowledge graph.
nanotrack-webcam-lab — single-object tracking on a live webcam with NanoTrackV2; a small YOLO26 detector re-acquires the target when tracking drifts. llm-intrusion-detection — can prompted LLMs catch network intrusions? Zero-shot and few-shot prompting against a rule-based baseline, with prompt-leakage controls.

Open source: Ultralytics contributor

🔭 Now: building a drone-based vision project and a graduation project on LLM routing — both private for now.

Stack

Python, PyTorch, OpenCV, scikit-learn, TensorFlow, Git

GitHub stats Top languages

Contribution snake

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  1. melanoma-detection melanoma-detection Public

    Melanoma detection on dermoscopy images with ten classical and deep methods under a leakage-audited protocol. TOK 2026 paper.

    Jupyter Notebook

  2. 3can-forum 3can-forum Public

    Decentralised forum on Ethereum Sepolia — Vue 3 + Solidity + IPFS

    JavaScript

  3. nanotrack-webcam-lab nanotrack-webcam-lab Public

    Real-time single-object webcam tracking with NanoTrackV2 and YOLO26-based recovery.

    Python

  4. yolo26-cnn-architecture-lab yolo26-cnn-architecture-lab Public

    Hands-on CNN architecture experiments with YOLO26: feature maps, C3k2 ablations, pretrained weight transfer, fine-tuning and model analysis.

    Jupyter Notebook

  5. rec-system rec-system Public

    brushing off my ai engineering skills, focused not only on basic model inference but other surrounding matters as well.

    Python

  6. neo4j-movie-knowledge-graph neo4j-movie-knowledge-graph Public

    Python