About

Experience

2018.05 – 2020.04 | Arcsoft | Hangzhou, Zhejiang | Software Engineer
- Improve the runtime speed and reduce artifacts in YUV SuperNight, the new photography mode of many manufacturers’ phone in 2018. It has shipped on Xiaomi, Meizu, etc.
- Multi-frame Denoise on Raw has been integrated into SuperNight and HDR+, and shipped on Samsung, OPPO, OnePlus, Xiaomi, etc.
- PicTrace on Raw and YUV, including Traffic trails, Light graffiti, Silky water, Star trails, as a part of system camera app, has shipped on vivo, OPPO.
- Design an algorithm for Quad-Bayer Remosaic.
- DarkVision, similar to NightSight on Google Pixel 3, aims at capturing clean, sharp, colorful photographs in low light, with pleasing brightness and applicable balance between details and noise.
2020.04 – Now | OceanEngine, ByteDance | Hangzhou, Zhejiang | Software Engineer
- Multi-frame Denoise network on RGB, for video processing in Jianying (PC Version).
- Video recursive Denoise for video capture in TikTok and Douyin.
- De-moire network, as a part of document processing in Feishu (Lark, Mobile Version).

2015.09 – 2018.04, Beijing | Beihang University (BUAA) | Master | Pattern Recognition and Intelligent System
2011.09 – 2015.07, Xi’an, Shaanxi | Chang’an University (CHD) | Bachelor | Mechanical and Electronic Engineering

Computer Vision
- Understand classic CV algorithm about camera calibration, motion estimation.
Image Process
- Practiced in industrial traditional algorithm in the field of image registration, optical flow, tone mapping.
- Know about basic ISP Raw pipeline.
- Experience in low-level image and video processing task with CNN.
Coding
- C++: Solid with multi-thread parallel in data (mainly) and task.
- C++: Skilled at coding in SIMD (SSE/AVX on x64, NEON on Arm64).
- C++: Optimize numerical computation on GPU with OpenCL / OpenGL.
- C++: Known about template and meta-programing.
- Python: Work with the packages of image process and numeral calculation.
- Python: Invoke the C shared library via numpy and ctypes.