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Hannah Ma

PROFILE

Hannah Ma

Hannah Ma developed and refined a contour-based tissue patch extraction and analysis pipeline for the arvindkrishna87/STAT390_WI2025 repository, focusing on automating and improving research workflows in computer vision. She implemented robust contour detection and patch alignment using Python, OpenCV, and NumPy, enabling the processing of complex nested shapes and grayscale thresholding. Her work included building a Jupyter-based toolkit for automated patching, overlap removal, and export, as well as enhancing data assets and documentation for reproducibility. By introducing patch management scripts and cleaning obsolete assets, Hannah improved data quality, reduced manual effort, and supported collaborative, repeatable research in image analysis.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

12Total
Bugs
1
Commits
12
Features
4
Lines of code
6,940
Activity Months2

Work History

March 2025

4 Commits • 2 Features

Mar 1, 2025

Monthly summary for 2025-03 for arvindkrishna87/STAT390_WI2025: Focused on delivering end-to-end patch automation, tooling, and project hygiene to accelerate research workflows and improve data integrity. Key work spanned three main areas: (1) Automated Patch Notebook: introduced a Jupyter-based toolkit for automated code patching and export, including functions to read masks, detect contours, compute patch overlaps, export patched slices, and metrics to evaluate patch coverage and performance; plus enhancements to the patch export output. (2) Patch management tooling and documentation: updated README files for Presentations 5 and 6, added a Python script to filter erroneous uploads in the Google Drive “Patches” folder, adjusted image resolution for patch overview visuals, and provided Colab/QUEST research context. (3) Bug fix and repo hygiene: removed an obsolete Presentation 5 notebook to prevent confusion and ensure alignment with current work. Overall impact: increased automation and reliability of patch workflows, improved data quality for evaluation, and clearer documentation to support collaboration and reproducibility. Technologies/skills demonstrated: Python scripting, Jupyter notebooks, image processing (masks, contours), patch overlap calculations, export formatting, Colab/QUEST context, Google Drive automation, and documentation practices. Business value: reduces manual patching effort, minimizes incorrect uploads, enhances repeatability of experiments, and accelerates research iteration.

February 2025

8 Commits • 2 Features

Feb 1, 2025

February 2025 — arvindkrishna87/STAT390_WI2025: Delivered key enhancements in contour-based tissue patch extraction and analysis, and improved repository assets and documentation for reproducibility and demos.

Activity

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Quality Metrics

Correctness83.4%
Maintainability85.0%
Architecture83.4%
Performance75.0%
AI Usage23.4%

Skills & Technologies

Programming Languages

JSONJupyter NotebookMarkdownPython

Technical Skills

Code OrganizationCode RefactoringComputer VisionContour DetectionData AnalysisData CleaningData VisualizationDocumentationFile ManagementImage ProcessingJupyter NotebooksMatplotlibNumPyOpenCVPandas

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

arvindkrishna87/STAT390_WI2025

Feb 2025 Mar 2025
2 Months active

Languages Used

Jupyter NotebookMarkdownPythonJSON

Technical Skills

Code OrganizationCode RefactoringComputer VisionContour DetectionData AnalysisDocumentation

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