An engineering notebook on AI, systems, and everyday experiments.

转载田渊栋博士的博士五年总结系列，分享科研心得：心静、热爱题目、每天思考、有思路就写、多交流，以及在CMU从被动选导师到把握研究主动权的经历。

Technical notes on KinectFusion SDK: understanding WorldToCamera and WorldToVolume matrices, aligning RGB with depth images, and extracting higher-quality depth maps via raycasting the TSDF volume.

It all begins from the blog post 3 qualities of successful Ph.D. students: Perseverance, tenacity and cogency. I put it in our mailing list and here are some insightful disucssion (with authors' permission).

A California road trip with Hertz 24/7: good prices and new cars, but the management system is buggy—reservations cancel randomly, charges appear incorrectly, and you must remember to manually end your trip.

Compares C#/C++ and MATLAB for research work, arguing MATLAB is better suited for rapid prototyping while compiled languages excel at building production systems.

Career insights: presentation skills matter as much as technical work, impact beats paper count, mindfulness boosts productivity, and reuse code with unit tests to debug less.

Quick tutorial on configuring exim and email packages in Cygwin to send emails from Windows command line via SMTP server without authentication.

修读Steve Blank的创业课程Lean Launchpad的感想：从商业访谈中学习假设验证的科学方法，认识到创业与科研的逻辑共通性，以及对未来职业定位的思考。

Reflects on simplifying time management from complex Emacs org-mode systems to pen-and-paper todo lists, finding that simpler tools lead to better focus and clearer thinking.

Converting regular panoramas to small-world fisheye style using coordinate transformation from rectangular to polar coordinates, with nonlinear radius mapping to control the virtual camera height.