Yiwen (Evan) Zhang

I'm currently a senior at Cornell CS pursuing B.A. in Computer Science. My research encompasses 3D/4D computer vision and graphics. I am also an active member of Cornell University Artificial Intelligence (CUAI). I am currently advised by Professor Hadar Elor. Previously, I collaborated with Professor Abe Davis on time-lapse reconstruction for mobile platforms.

Email  /  LinkedIn  /  Github

Publications

We develop a lightweight adaptation scheme for 3D foundation models that enables robust geometric reasoning under extreme-view scenarios by updating only a small subset of bias parameters, achieving state-of-the-art performance on relative rotation estimation.

Projects

Leveraging iPhone's LiDAR camera, this project builds an App that captures and aligns multiple scenes of a changing environment, then visualizes the time-lapse.

Leveraging dynamic gaussian splats with local rigidity constraints, this project decomposes moving subjects into animation-ready rigs.

This project implements the Moving Least Squared Material Point Method, CPIC, various materials, and mesh extraction in 2D and 3D.

Leveraging gaussian splats for digital twin capture on construction sites, this project aims to simulate realistic construction environments and record the construction processes.

This project uses rasterization to render a mini game that is inspired by Zelda. Customized shaders are created to simulate grass, trees, terrain, etc.

This project implements a raytracer that renders a scene exclusively composed of apples. Various graphics techniques are used including constructive solid geometry, Fresnel refraction, defocus blur, etc.

Teaching

Website template based on Jon Barron's website.