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Animation
Depth of Field Tools
Changing focus with a virtual camera is challenging. I developed a new approach for smooth focus changes, patented by Weta Digital.
US Patent 11245833 - Smoothly changing camera focus between multiple target objects
Mars VR
Princeton University Thesis Advisor: Szymon Rusinkiewicz
With input from NASA JPL, I used photogrammetry and machine learning to build an immersive reconstruction of the Mars surface from images taken by the Curiosity rover. The experience is a prototype for astronaut training and mission operations applications.
An image colorization convolutional neural network was trained using full color rover images. Then grayscale navigation images (which are more plentiful and cover more of the Martian surface) were colorized and reconstructed into 3D models using structure-from-motion and multi-view stereo. The environments were then stitched together into an immersive VR training experience.
Motion Capture
Compositing
Computer Graphics Coursework
Built a ray tracer, rasterizer, mesh editor, cloth simulator, and custom shaders.