Zekun Blog

What Should a Coding Agent Be Allowed to Remember?

Wed, 26 Aug 2026 00:00:00 +0000

Why coding-agent memory should earn authority through admission, identity, routing, mutation safety, and bounded erasure—not mere persistence. Continue reading…

Slides Thief 2.0: From Rectangle Heuristics to Evidence-Aware Review

Sat, 01 Aug 2026 00:00:00 +0000

How Slides Thief 2.0 combines multiple detectors, candidate scoring, local refinement, and batch geometry for more reliable browser-local correction. Continue reading…

Designing Memory That Can Safely Forget

Tue, 21 Jul 2026 00:00:00 +0000

A design for bounded agent-memory forgetting using explicit modes, dry-run previews, semantic entries, and validated multi-file plans. Continue reading…

Why Project Memory Should Be Plain Text and Repo-Native

Mon, 20 Jul 2026 00:00:00 +0000

Why durable coding-agent memory should use repo-native Markdown, Git review, manifest routing, and semantic entry boundaries. Continue reading…

Slides Thief - Turn Photographed Presentation Slides into Clean PDFs

Mon, 13 Jul 2026 00:00:00 +0000

Slides Thief is a browser-based tool that turns photographed presentation slides into perspective-corrected images and clean PDFs, with all processing performed locally. Continue reading…

MemoryCustodian: Durable Project Memory for Coding Agents

Wed, 01 Jul 2026 00:00:00 +0000

MemoryCustodian gives coding agents durable, reviewable project memory using repo-native Markdown, Git history, and task-specific context routing. Continue reading…

Social inequality and cultural factors impact the awareness and reaction during the cryptic transmission period of the pandemic

Sat, 01 Feb 2025 00:00:00 +0000

Paper note on how social inequality and cultural factors shaped awareness and reaction during cryptic pandemic transmission. Continue reading…

Characterizing browser-based medical imaging AI with serverless edge computing: towards addressing clinical data security constraints

Mon, 10 Apr 2023 00:00:00 +0000

Paper summary: characterizing browser-based medical imaging AI with serverless edge computing under clinical data constraints. Continue reading…

WearMask: Fast in-browser face mask detection with serverless edge computing for COVID-19

Sun, 01 Jan 2023 00:00:00 +0000

Paper summary: WearMask brings fast in-browser face mask detection with serverless edge computing for COVID-19. Continue reading…

K-Means-Based Anomalous Email Detection in PySpark

Wed, 05 May 2021 00:00:00 +0000

Detect anomalous emails with MinHash and K-Means in PySpark, demonstrated in a Colab-friendly workflow. Continue reading…

WearMask - Face Mask Detection Project Details

Tue, 01 Dec 2020 00:00:00 +0000

Project details behind WearMask, a low-cost local face mask detection setup for small businesses and public spaces. Continue reading…

Super-Fast In-Browser Face Mask Detection

Fri, 27 Nov 2020 00:00:00 +0000

WearMask: a super-fast in-browser face mask detector that runs locally with NCNN and WebAssembly. Continue reading…

Tutorial for Compiling NCNN with WASM

Sun, 15 Nov 2020 00:00:00 +0000

Compile NCNN to WebAssembly so deep learning inference can run directly in the browser. Continue reading…

Tutorial for Compiling the NCNN Library

Tue, 10 Nov 2020 00:00:00 +0000

Step-by-step notes on compiling the NCNN library as the first stage of on-device model deployment. Continue reading…

Darknet to Keras - Model Transformation

Sun, 25 Oct 2020 00:00:00 +0000

Convert Darknet models to Keras/TensorFlow 2.0 for easier training and deployment workflows. Continue reading…

How to Get Information from an IP Address?

Mon, 20 Jul 2020 00:00:00 +0000

A short tutorial on looking up IP geolocation with MaxMind GeoLite2 and the Python geoip2 library. Continue reading…

COVID-19 Data Exploration (WIP)

Thu, 19 Mar 2020 00:00:00 +0000

Early exploratory analysis and visualization of COVID-19 data while the pandemic was still unfolding. Continue reading…

LAPOP Data Dashboard

Wed, 19 Feb 2020 00:00:00 +0000

A Shiny dashboard prototype for exploring LAPOP survey data with interactive filters and charts. Continue reading…

Cashbox Magazine Song Chart Analysis

Sat, 15 Feb 2020 00:00:00 +0000

An end-to-end data analysis pipeline using Cashbox Magazine song chart history, from cleaning to visualization. Continue reading…

Think Strategically and Get Jobs - H1B Visa Analysis

Thu, 12 Dec 2019 00:00:00 +0000

Analyze H-1B petition data to help international data science students strategize their U.S. job search. Continue reading…