projects | Y. Feng's Portfolio

Work

BinGo: Real-Time Multi-Item Waste Sorting App

An Android app for real-time multi-item waste sorting with direct bin assignment output, supported by ML-based object detection model.

YOLOv8

PyTorch

Python NumPy Pytest YAML

TensorFlow

Full Stack

BitJump Manager

A full-stack web application for team project management with role-based access control and progress tracking.

Multi-Threaded Web Server

HTTP/1.0 server built from scratch using raw TCP sockets with custom thread pool, supporting concurrent connections, CGI dynamic content, and SQLite integration.

Big Data

Hadoop Distributed Computing

Set up Linux VMs to deploy Hadoop cluster and developed Java MapReduce jobs for inverted index construction with HBase storage.

Java Hadoop HBase

Compiler

BITMiniCC Compiler

A C compiler implemented in Java with lexer, parser, IR generation, and RISC-V code generation.

Java RISC-V

Computer Architecture

Single-Cycle CPU (RISC-V)

A single-cycle RISC-V CPU implementation supporting RV32I base instruction set with datapath and control unit design.

RISC-V Verilog Digital Logic

Research

IEEE TVCG 2024

CoInsight

Visual storytelling tool for hierarchical table insights.

D3.js

JavaScript

Vue.js

Python NumPy Pandas SciPy

SVG JSON Vega-Lite

ACM UIST 2025

InReAcTable

An LLM-powered visual analytics system for data story construction, combining structural filtering with semantic reasoning.

Flask RAG LLM Prompt Engineering

Visual Computing Lab

Image Processing

Poisson Image Blending

Seamless image cloning and reconstruction from derivatives using sparse Poisson solvers.

Python NumPy SciPy

OpenCV Matplotlib

Machine Learning

U-Net Cell Segmentation

U-Net built from scratch in PyTorch for cell segmentation on BMMC microscopy data.

Convolutional Neural Network Image Segmentation

PyTorch

TensorFlow

Python NumPy SciPy W&B

Machine Learning

SSD Object Detection

PyTorch implementation of Single Shot MultiBox Detector for real-time object detection.

Convolutional Neural Network Object Detection

PyTorch

TensorFlow

Python NumPy SciPy W&B Albumentations

Bash

Computer Vision

Epipolar Geometry & Fundamental Matrix

Fundamental matrix estimation for stereo vision using the normalized 8-point algorithm and RANSAC.