- Devised sky replacement algorithm with image segmentation, alpha-matting, optical flow using CUDA programming,TensorFlow and Pybind- Designed pipeline system for processing large volume of panorama video captured by drone using rabbitmq, flask,PostgreSQL, and Kubernetes- Implemented video stabilization, morphing and optical flow algorithm for hyperlapse using OpenCV and ffmpeg- Streamed hyperlapse video through HTTP Live Streaming (HLS)- Speeded up converting panorama image to normal field of view image 10x faster using CPython

- Worked on Project Loon in X, the moonshot factory- Designed image processing algorithm for automatic camera calibration, and image classification and detection using OpenCV and TensorFlow

Worked on RoboTutor as Android developer, CMU team competing for Global Xprize Learning- Designed and implemented scoreboard for kids to learn place value using Android Animator- Designed and implemented racecar game for kids to learn number sense using Animator, AsynTask, Thread- Integrated JSON framework of RoboTutor, and implemented game flow using finite state machine

Develop native iOS app of GeoGebra - Designed user interface using UIKit framework- Implemented drawing function that users can draw geometric objects using Core Graphics framework

Worked on ShotBot, a user-friendly screenshot editor for iOS and OSX developer using Objective-C- Implemented editing function for Apple Watch screenshot- Added version checker and license checker for premium users