Defocus Map Estimation and Deblurring from a Single Dual-Pixel Image

no code implementations • ICCV 2021 • Shumian Xin, Neal Wadhwa, Tianfan Xue, Jonathan T. Barron, Pratul P. Srinivasan, Jiawen Chen, Ioannis Gkioulekas, Rahul Garg

We use data captured with a consumer smartphone camera to demonstrate that, after a one-time calibration step, our approach improves upon prior works for both defocus map estimation and blur removal, despite being entirely unsupervised.

Deblurring

A Theory of Fermat Paths for Non-Line-Of-Sight Shape Reconstruction

no code implementations • CVPR 2019 • Shumian Xin, Sotiris Nousias, Kiriakos N. Kutulakos, Aswin C. Sankaranarayanan, Srinivasa G. Narasimhan, Ioannis Gkioulekas

We present a novel theory of Fermat paths of light between a known visible scene and an unknown object not in the line of sight of a transient camera.

Object PICO