Gaussian splatting
How photographs supervise a cloud of soft 3D ellipsoids—and how that cloud renders a camera view that never existed.
- Representation
- Rendering
- Training
π5 EXPLAINS · VISUAL LESSONS
Hard ideas.
Five clear minutes.
Brief, visual-first explanations of computer vision, 3D vision, and machine learning. Start with the mental model, experiment with the idea, then follow the original papers when you want to go deeper.
- See itPurpose-built visuals
- Try itHands-on interactions
- Keep itOne lasting mental model
THE LIBRARY
Choose a five-minute lesson.
Two interactive explainers · no prerequisites
Instance segmentation
Which pixels belong together, which object owns them, and when a system also needs to know the object's class.
- Identity
- Semantics
- Panoptic masks
THE PI5 EXPLAINS PROMISE
Intuition first. Precision where it matters.
Every lesson is designed to leave you with an explanation you can reconstruct later—not a list of terms you have to memorize. Equations and papers are included when they sharpen the idea, never as a substitute for understanding it.
Pi5 Podcast is a separate project: a Spanish-language audio series with five-minute explanations of mathematical ideas.
Visit the separate Pi5 Podcast →