qiong-hu / computational_imaging

Implementation of synthetic refocusing imaging and image-based relighting.

Computational Imaging

HW1: Computational Photography

Content

• Understand Computational Photography vs Computational Imaging
• Understand concept of shallow depth of field

HW2: Image Refocusing with 4D Light Field

Content

• Capture a 4D light field
• Understand template and window
• Normalize cross correlation
• Retrieve pixel shift of an image from a raw video
• Synthesize an image with synthetic aperture, blurring the background with a refocused in-depth object
• Derive the blur kernal width and identify the blur kernal shape
• Understand mathematically the concept of blur, scene depth, and focal length

HW3: Image-based Relighting using Light Transport Matrix

Content

• Understand the complex interactions occurring between light and a scene point
• Implement the separation of direction illumination and global illumination
• Synthesize image with novel lighting condition including different number and color channel of original light source