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3D Reconstruction

Apr 23, 2025 Linear Algebra 19 min read

Essence of Linear Algebra (17): Linear Algebra in Computer Vision

Images are matrices, geometric transformations are matrix multiplications, camera imaging is a projective map, and 3D reconstruction is solving linear systems. Master the linear algebra that quietly powers every corner …

Oct 7, 2024 Standalone 21 min read

Tennis-Scene Computer Vision: From Paper Survey to Production

A complete CV system for tennis: small high-speed object detection, multi-camera 3D reconstruction, physics-based trajectory prediction, and pose-based action recognition. From the literature down to a 16.7 ms-per-frame …