We have just moved AI Curious from Vercel to Cloudflare Pages. The reason is that Vercel has a limit of 100GB bandwidth per month for the Hobby plan. This blog has reached that limit in the last few days of May. As you can see, the Image Optimization service is also approaching the limit very fast. Although Vercel off...

Switched from Vercel to Cloudflare Pages

By default, Django re-establish a new connection to the database in each request. That will be overhead and increase the request time, especially when your database is not on the same server/cluster as your backend server. Fortunately, Django provides us “persistent connection” option to keep and reuse the database co...

Database connection in Django

This is my note for 3 papers: CenterTrack - 2D object tracking, CenterPoint - 3D object detection and tracking, and CenterPoint++ - submission to the Waymo Real-time 3D Detection Challenge

This is my note for 3 papers: CenterTrack - 2D object tracking, CenterPoint - 3D object detection and tracking, and CenterPoint++ - submission to the Waymo Real-time 3D Detection Challenge. ! CenterTrack applies a detection model to a pair of images and detections from the prior frame. Given this minimal input, Center...

Paper review: CenterTrack - CenterPoint - CenterPoint++

Today I had some experience with ESP32 camera module. I was really surprised that it can stream camera over HTTP quite well with a very cheap price. I had an ESP32 CAM board + a USB programmer from my friend to upload program onto the chip and I decided to write this note to introduce this board to you. This is my ESP...

ESP32-CAM Video Streaming over HTTP and Face Detection

This tutorial provides instructions for installing the Fira Code font in various versions of Ubuntu. This is my favorite font due to its various ligatures.

This tutorial provides instructions for installing the Fira Code font in various versions of Ubuntu. This is my favorite font due to its various ligatures. ## Ubuntu 16.04 ```shell sudo apt-install git cd /tmp git clone https://github.com/tonsky/FiraCode.git sudo mv -i /tmp/FiraCode/distr/ttf /usr/share/fonts/truetype...

Install Fira Code Font for Ubuntu

I maintain this note as an instruction to install Ubuntu on a new machine and setup development environment as fast as possible. This note contains my autonomous scripts, and instructions to install necessary packages that I often use.

Viet-Anh maintains this note as an instruction to install Ubuntu on a new machine and setup development environment as fast as possible. This note contains my autonomous scripts, and instructions to install necessary packages that I often use. - Supported Ubuntu versions: 16.04 -> 20.04. These instructions may work wi...

How do I install Ubuntu on a new machine?

ZSH, also called the Z shell, is an extended version of the Bourne Shell (sh), with plenty of new features, and support for plugins and themes. Since it's based on the same shell as Bash, ZSH has many of the same features, and switching over is a breeze. This short tutorial guide you to install zsh and auto-suggestions plugin for Ubuntu. This is my favorite setup for shell.

ZSH, also called the Z shell, is an extended version of the Bourne Shell (sh), with plenty of new features, and support for plugins and themes. Since it's based on the same shell as Bash, ZSH has many of the same features, and switching over is a breeze. This short tutorial guide you to install zsh and auto-suggestion...

Install Zsh and Auto suggestion plugin for Ubuntu

My note for lesson 1 of MOOC course: Self-Driving Cars with ROS and Autoware.

This is my note for lesson 1 of MOOC course: Self-Driving Cars with ROS and Autoware. You should follow the instructions in the course. I only write some notes here to highlight the best practices and how to fix some errors. - Autoware course: https://www.apex.ai/autoware-course - Lecture 1 tutorial: https://gitlab.co...

[MOOC] Autoware Course - Lecture 1 - Setup the environment

I've just completed one more MOOC course - Self-Driving Fundamentals - Featuring Apollo. Content: This note link add my lesson notes for the course lectures.

This is an introduction course to self-driving cars and Apollo platform - The Android of Self-Driving Car. Through this course, you will be able to identify key parts of self-driving cars and get to know Apollo architecture. You will be able to utilize Apollo HD Map, localization, perception, prediction, planning and ...

[MOOC] Apollo Lessons on Self-Driving Cars

My note for lesson 7 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: Understand how to use steering, throttle and brake to execute our planned trajectory and master different types of controllers in Apollo.

This is my note for lesson 7 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: Understand how to use steering, throttle and brake to execute our planned trajectory and master different types of controllers in Apollo. The control module goal is to use variable control inputs to minimize the deviati...

[MOOC] Apollo Lesson 7: Control

My note for lesson 6 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: Identify several different approaches Apollo uses to develop trajectories for autonomous vehicles.

My note for lesson 6 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: Identify several different approaches Apollo uses to develop trajectories for autonomous vehicles. In planning, we incorporate HP maps, localization and prediction to build a trajectory for the vehicle. The first step is route ...

[MOOC] Apollo Lesson 6: Planning

My note for lesson 5 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: Study different ways to predict how other vehicles or pedestrians might interact with Apollo self-driving cars.

My note for lesson 5 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: Study different ways to predict how other vehicles or pedestrians might interact with Apollo self-driving cars.. After perceiving the world using sensors, we need to predict how the world is going to look in the future. It's im...

[MOOC] Apollo Lesson 5: Prediction

My note for lesson 4 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: Identify different perception tasks such as classification, detection, segmentation.

My note for lesson 4 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: Identify different perception tasks such as classification, detection, segmentation. ## Intro Perception module is much like our brain. It receives data from car sensors such as cameras, LiDARs, radars and use AI models and alg...

[MOOC] Apollo Lesson 4: Perception

My note for lesson 3 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: How the vehicle localizes itself with a single-digit-centimeter-level accuracy.

This is my note for lesson 3 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: How the vehicle localizes itself with a single-digit-centimeter-level accuracy. ## Localization methods in Apollo - The RTK (Real Time Kinematic) based method which incorporates GPS and IMU (Inertial Measurement Unit) i...

[MOOC] Apollo Lesson 3: Localization

My note for lesson 2 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: High Definition maps for self driving cars.

This is my note for lesson 2 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: High Definition maps for self driving cars. HD Maps have a high precision and contain a lot of information than your ordinary map on smartphone, such as lane line markings, 3D representation of the road network, traffic...

[MOOC] Apollo Lesson 2: HD Maps

My note for lesson 1 of MOOC course: Self-Driving Fundamentals - Featuring Apollo. Content: Identify the key parts of self-driving cars. The Apollo team and architecture.

[MOOC] Apollo Lesson 1: SDC Fundamentals

Việc học về học máy của tôi đã được giúp ích rất nhiều bởi các khoá học online. Ở trang này tôi sẽ tổng hợp lại các tài liệu và các khoá học hay về học máy kèm một vài đánh giá. Hi vọng các tài liệu / khoá học này sẽ phần nào giúp ích được cho các bạn mới làm quen với học máy / học sâu. ## Các khoá học #### Khoá nhập ...

Các tài liệu và khoá học về học máy

Evaluation metrics for a classification system.

Classification is a basic family of models in machine learning. In very naive logic, people can use accuracy to evaluate how good a model is. However, do we really want accuracy as a metric for our performance? Actually, there are many metrics to evaluate a classification model depending on our problem in a real situa...

Notes