San Bruno, California, United States
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About

Computer vision, Reinforcement Learning and Distributed System

Activity

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Experience & Education

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Licenses & Certifications

Publications

Courses

  • Computer Network

    -

  • Data Structure and Algorithm

    -

  • Distributed System

    15-640

  • Introduction to Computer Systems

    15-513

  • Introduction to Database

    -

  • Introduction to Information Security

    18-631

  • Operating System

    -

  • Web Application Development

    17-437

Projects

  • Distributed Storage System

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    •Designed and implemented a 3-tier storage system supporting posting/retrieving blogs, subscribing users and etc.
    •Implemented lease-based cache protocol and consistent hash ring to improve the performance

  • Distributed Bitcoin Miner System

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    •Designed the LSP (Live Sequence Protocol) supporting sliding window, retransmissions, and reordering
    •Developed a distributed bitcoin miner system based on LSP, concurrently assigning miners to each request

  • HTTP Proxy

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    • Implemented a HTTP Proxy supporting concurrently dealing with multiple requests from different clients using threads and semaphores. Implemented a LRU cache to reduce response time for recent requests.

  • Dynamic memory allocator

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    • Implemented C library functions (malloc, free, calloc and realloc) based on segregated doubly linked list and first-fit searching algorithm. Improved space utilization from 58% to 74% with high throughput.

  • StarCraft 2 AI

    -

    Team leader, Researcher and Developer Team Projects
    OGTL is a two stage learning scheme which can reduce the training time and achieve higher winning rate
    • Implemented DQN, AC, A3C and Reinforce algorithms using tensorflow framework
    • Designed Oponent Guided Tactic-aware Learning (OGTL) scheme
    • OGTL algorithm reduces the training time to 10% compared with DQN
    • OGTL algorithm’s wining rate is 21% higher than state of the art algorithms

  • Opencv based app - Mini-PS

    -

    Researcher and Developer Individual Projects Mini-PS can make up the photos including face detection and edge detection.
    • Developed based QT, Opencv. Implemented Poisson Blend and image stitching (SURF)
    • Implemented style transformation, faces detection (YOLO) and edge detection (Canny)

  • iOS app - Makeup

    -

    Developer & Individual Project
    Makeup can make up the photos with decorations and swap faces.
    • Deployed OpenFace framework to detect faces landmarks and place the decorations
    • Implemented face alignment by using Convex hull, Delaunay triangulation, Affine warp and Seamless clone

  • IoT Android app - Easypay

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    • Implemented an online payment app supporting fingerprint verification and blue tooth pay
    • Built a website supporting goods management and binding goods with IoT buttons

  • Website - Teaching Assisting System

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    • Implemented a teaching assisting system with a forum based on MySQL and Bootstrap, supporting multi- server concurrent data commutation (e.g. files uploading and downloading files and online exam-taking)

  • MiniSQL

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    • Developed a small-scale database system in C++ using B+ tree supporting database operations
    • Implemented Interpreter module to parse commands, Record Manager to read/write data, Buffer Manager with Clock Replacement algorithm to mange the data blocks and Controller module to manage APIs

  • Website - Online Team Project Management Platform

    -

    •Built an online platform based on waterfall model; Deployed on AWS using Apache and mod wsgi
    •Design and developed the visualization module (AJAX, Chart.js, FullCalendar), notification module (Gmail SMTPserver, Twilio’s API, django-notifications), and job scheduling module (django-crontab)

Honors & Awards

  • Outstanding Graduate

    Zhejiang University

    Top 1%

  • First class scholarship

    Zhejiang University

    Top 3%

  • National scholarship

    Ministry of Education of the People's Republic of China

    Top 1%

Languages

  • English

    Professional working proficiency

  • Chinese

    Native or bilingual proficiency

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