Jun 2021 – Nov 2023 · 2 yrs 5 mos · San Francisco Bay Area

• Community based AI model red-teaming. YC W22

Jun 2018 – Jun 2021 · 3 yrs · San Francisco Bay Area · On-site

• Helped build self-driving Pikachu

Jan 2017 – Jun 2018 · 1 yr 5 mos · Santa Clara, CA

• We made a new approach to push the technical and user experience boundaries around computer vision, deep learning, augmented reality, and robotics. Led a team of engineers to build a unified mapping platform for augmented reality and robotics.

Oct 2016 – Present · 9 yrs 6 mos · San Francisco Bay Area

Jan 2012 – Sep 2016 · 4 yrs 8 mos · San Francisco Bay Area · On-site

• Led the design and implementation of highly accurate bundle adjustment pipeline for aerial imaging systems for Google 3D Maps. Full software development cycle from planning to architecture design, implementation, testing, launching, and maintaining.
• Proposed high resolution 3D reconstruction by Google internal satellite imagery. Formed and led cross team efforts, now a part of the imagery group business plan.
• Increased pipeline throughput by 20x.
• Received 6 peer and 2 spot bonuses for project excellence and leadership.
• Skills: Mapreduce, Bigtable, Flume (Dataflow), C++, Python
• Others: Software engineer hiring committee member, candidate coaching instructor, community service project lead, and summer intern mentor.

Jan 2009 – Dec 2011 · 2 yrs 11 mos · San Francisco Bay Area · On-site

• Investigated multiview scene reconstruction framework, proposed scene structure modeling for 3D viewing.
• Developed a new multiview stereo matching technique
• Developed multi-label optimization of Markov random fields model and applied to a novel image inpainting technique.

May 2007 – Aug 2007 · 3 mos · On-site

• Developed a perceptually-driven low bitrate quantization technique for a HiFi audio coding. Published 1 conference paper.

Jun 2005 – Aug 2005 · 2 mos · On-site

• Investigated human visual system response to scalable image/video compression. With this result, we published 1 conference and 1 journal papers.

Jan 2004 – Jan 2008 · 4 yrs

• Devised a multidimensional incremental parsing algorithm for multidimensional discrete sources as a generalization of the Lempel-Ziv incremental parsing. Developed a feature extraction technique based on a universal source coding and the application to semantically higher-level representation of multidimensional source, and applied to content-based image retrieval (CBIR)

Jan 2000 – Jan 2003 · 3 yrs

• Developed optimized software implementations of G.729 voice coder and H.263 video coder for commercialized video conferenceing system.