Notes on machine learning, computer vision, and physics.https://kanhua.github.io/https://kanhua.github.io/posts/mojo-hard-sphere-collision/https://kanhua.github.io/posts/mojo-hard-sphere-collision/Mojo promises Python's ease of use with C-like performance. But what does it take to port a real Python project? I converted a hard-sphere collision simulation…Sun, 17 Aug 2025 08:00:00 GMThttps://kanhua.github.io/posts/cvpr-2024/https://kanhua.github.io/posts/cvpr-2024/I got a chance to attend CVPR 2024 (remotely). I posted my version of highlights on my Medium.Sun, 23 Jun 2024 14:00:00 GMThttps://kanhua.github.io/posts/ray-tracing/https://kanhua.github.io/posts/ray-tracing/Modeling light as rays is widely used in computer graphics and lens design. I encountered this problem when I tried to do some optical design but had no access…Mon, 09 Mar 2020 12:00:00 GMThttps://kanhua.github.io/posts/frustum-pointnet-lyft-3d/https://kanhua.github.io/posts/frustum-pointnet-lyft-3d/This is my attempt of a past Kaggle competition Lyft 3D Object Detection for Autonomous Vehicles, using the concept of frustum-pointnet to solve this past…Sun, 08 Mar 2020 12:01:00 GMThttps://kanhua.github.io/posts/traffic-light-detection/https://kanhua.github.io/posts/traffic-light-detection/I did this project partly for Udacity's Self-Driving car degree and was lazy to train and retraing a DNN model. It ends up that this solution is not so lazy,…Fri, 01 Nov 2019 14:00:00 GMThttps://kanhua.github.io/posts/lane-line-detection/https://kanhua.github.io/posts/lane-line-detection/This is a project with Udacity's Self-Driving Car Nanodegree. The aim is to identify the lane lines on the road and get their curvatures, using an algorithmic…Fri, 13 Jul 2018 11:54:00 GMThttps://kanhua.github.io/posts/carnd-path-planning/https://kanhua.github.io/posts/carnd-path-planning/The aim of this project is to implement a car that drives automatically in a simulation world. The car should be able to switch the lane smoothly when…Mon, 01 Jan 2018 14:00:00 GMThttps://kanhua.github.io/posts/behavioural-cloning/https://kanhua.github.io/posts/behavioural-cloning/This is a project with Udacity's Self-Driving Car Nanodegree. The aim is to use deep learning approach[1] to clone the behaviour of a car in the simulator made…Tue, 11 Apr 2017 12:00:00 GMT