Projects

Correlation-Guided Change Attention for Remote Sensing Change Detection

Proposed a lightweight decoder-side refinement module using bi-temporal feature correlation, multi-scale context sampling, and learnable residual gating for remote sensing change detection.

Vision AIRemote SensingChange DetectionPublication

IEEE Code Paper

Appearance-Robust and Boundary-Aware Bitemporal Change Detection

Developed a task-specific Siamese CNN for Korean urban building monitoring under photometric variation and temporal misalignment, reaching locked-test F1 of 0.7511 and IoU of 0.6014.

Vision AIRemote SensingSiamese CNNChange Detection

GitHub arXiv

Real-Time Urban Signal Explorer

Built a MapLibre dashboard that normalizes Seoul public realtime data across crowd, transit, traffic, weather, categories, and location signals.

Data AnalyticsDashboardPublic DataGeospatial

Live Dashboard GitHub Data Story

Satellite-Based Flood Impact Analysis for Somalia

Combined Sentinel-1/2 flood masks with GIS impact layers to summarize affected buildings, roads, and named places in a Baladweyne flood case study.

Remote SensingGeospatialDashboardImpact Analysis

Live Dashboard GitHub Data Story

CCTV Computer Vision for Elderly Pedestrian Safety

Developed a DeepLabV3-ResNet50 pipeline for overhead-CCTV segmentation using 241 manual annotations and pseudo-label selection from 5,926 unlabelled frames; achieved 88.91% IoU on held-out human-labelled data and approximately 77 FPS on an RTX A6000.

Computer VisionSegmentationPseudo-LabelingCCTV

GitHub arXiv Project Note

Deep Visual Style Similarity

Built a deep learning pipeline for artistic style similarity detection across paintings using ResNet feature extraction, PCA dimensionality reduction, LDA clustering, and heatmap visualization.

Deep LearningComputer VisionResNetVisualization

GitHub

Reddit Text Analytics

Collected, cleaned, and analyzed Korean food discussion data using text preprocessing, frequency analysis, word clouds, and LDA topic modeling.

Text AnalyticsNLPData AnalysisVisualization

GitHub Data Story

Urban Building-Age Geospatial Mapping

Processed public Seoul building approval and geometry data into citywide building-age summaries, reproducible geospatial scripts, and static map outputs.

GeospatialPublic DataMappingData Analysis

GitHub Data Story

Low-Resource NLP Dataset Preparation

Cleaned, merged, and structured approximately 9,500 Somali Wikipedia articles into reusable JSONL records, text files, and metadata manifests for NLP research.

NLPDatasetSomaliData Pipeline

GitHub Data Story

Structured Legal Data Preparation

Built a structured legal-data preparation pipeline with parsed law records, annotation layers, rule packs, runtime examples, and dashboard-ready outputs.

Data PipelineLegal DataDashboardPython

GitHub Dashboard Data Story