1 code implementation • 31 Jul 2022 • Yash Sanghvi, Abhiram Gnanasambandam, Zhiyuan Mao, Stanley H. Chan
When the noise is strong, these networks fail to simultaneously deblur and denoise; (3) While iterative schemes are known to be robust in the classical frameworks, they are seldom considered in deep neural networks because it requires a differentiable non-blind solver.
no code implementations • 10 Dec 2021 • Abhiram Gnanasambandam, Stanley H. Chan
New theoretical results are derived for image sensors of any bit-depth and full-well capacity.
no code implementations • 9 Nov 2021 • Xue Zhang, Gene Cheung, Jiahao Pang, Yash Sanghvi, Abhiram Gnanasambandam, Stanley H. Chan
Specifically, we model depth formation as a combined process of signal-dependent noise addition and non-uniform log-based quantization.
1 code implementation • 28 Oct 2021 • Yash Sanghvi, Abhiram Gnanasambandam, Stanley H. Chan
Image deblurring in photon-limited conditions is ubiquitous in a variety of low-light applications such as photography, microscopy, and astronomy.
no code implementations • NeurIPS Workshop Deep_Invers 2021 • Yash Sanghvi, Abhiram Gnanasambandam, Stanley Chan
Image deblurring in a photon-limited condition is ubiquitous in a variety of low-light applications such as photography, microscopy and astronomy.
no code implementations • 13 Aug 2021 • Abhiram Gnanasambandam, Alex M. Sherman, Stanley H. Chan
The system consists of a low-cost projector, a camera, and a computer.
no code implementations • 6 Nov 2020 • Abhiram Gnanasambandam, Stanley H. Chan
We provide a complete theoretical characterization of the sensor in the context of HDR imaging, by proving the fundamental limits in the dynamic range that QIS can offer and the trade-offs with noise and speed.
no code implementations • 16 Jul 2020 • Yiheng Chi, Abhiram Gnanasambandam, Vladlen Koltun, Stanley H. Chan
QIS are single-photon image sensors with photon counting capabilities.
no code implementations • ECCV 2020 • Abhiram Gnanasambandam, Stanley H. Chan
In this paper, we present a new low-light image classification solution using Quanta Image Sensors (QIS).
no code implementations • 21 Mar 2019 • Abhiram Gnanasambandam, Omar Elgendy, Jiaju Ma, and Stanley H. Chan
Quanta Image Sensor (QIS) is a single-photon detector designed for extremely low light imaging conditions.