G’day! Welcome to my personal site. Here you’ll find random stuff I’ve worked on.

I have an older site at https://nghiaho.com I keep around to avoid breaking search links.

Rigid Transform 3D

02 Feb, 2025

Code to find the rigid/Euclidean (rotation, translation) or similarity (rotation, translation, scale) transform between two sets of corresponding 2D/3D points.

[Code]

ABC Speak

20 Jan, 2025

An app I wrote for my kid to encourage them to say the alphabet. Speech recognition is used to highlight the spoken letter.

[Demo] [Code]

Number Sequence Game

20 Jan, 2025

A game I wrote for my kid to help them learn numbers.

[Demo] [Code]

Shape Game

20 Jan, 2025

A game I wrote for my kid to help with shape recognition.

[Demo] [Code]

Convolutional neural network from scratch in C++

19 Jun, 2024

An unoptimized implementation of CNN in C++ from scratch. No external libraries. No GPU. Purely for my own eductional purposes.

[Code]