Intelligent Imaging Lab

Photon-Limited Imaging

Quanta Color

Generative Quanta Color Imaging

Vishal Purohit, Junjie Luo, Yiheng Chi, Qi Guo, Stanley H Chan, Qiang Qiu

IEEE CVPR, 2024

2x2 Exposure

Spatially varying exposure with 2-by-2 multiplexing: Optimality and universality

Xiangyu Qu, Yiheng Chi, Stanley H Chan

IEEE Transactions on Computational Imaging, 2023

PCH-EM

PCH-EM: A solution to information loss in the photon transfer method

Aaron J. Hendrickson, David P. Haefner, Stanley H. Chan, Nicholas R. Shade, Eric R. Fossum

IEEE Transactions on Electronic Devices, 2024

Secrets of Decon

The Secrets of Non-Blind Poisson Deconvolution

Abhiram Gnanasambandam, Yash Sanghvi, Stanley H Chan

IEEE Transactions on Computational Imaging, 2024

HDR SV-SNR

HDR Imaging with Spatially Varying Signal-to-Noise Ratios

Yiheng Chi, Xingguang Zhang, and Stanley H. Chan

IEEE CVPR, 2023

Structured Kernel

Structured Kernel Estimation for Photon-Limited Deconvolution

Yash Sanghvi, Zhiyuan Mao, Stanley H. Chan

IEEE CVPR, 2023

QIS Offer

What Does a One-Bit Quanta Image Sensor Offer?

Stanley H. Chan

IEEE Transactions on Computational Imaging, 2022

Review QIS

Review of Quanta Image Sensors

Jiaju Ma, Stanley H. Chan, Eric R. Fossum

IEEE Journal of Electron Devices, 2022

Blind Decon

Photon-Limited Blind Deconvolution using Unsupervised Iterative Kernel Estimation

Yash Sanghvi, Abhiram Gnanasambandam, Zhiyuan Mao, Stanley H. Chan

Manuscript, 2022

Non-Blind Deblur

Photon-Limited Non-Blind Deblurring Using Algorithm Unrolling

Yash Sanghvi, Abhiram Gnanasambandam, Stanley H. Chan

Manuscript, 2021

SNR 2022

Exposure referred Signal-to-Noise Ratio for Digital Image Sensors

Abhiram Gnanasambandam and Stanley H. Chan

IEEE Transactions on Computational Imaging, 2022

Object Detection

Photon-Limited Object Detection using Non-local Feature Matching and Knowledge Distillation

Chengxi Li, Xiangyu Qu, Abhiram Gnanasambandam, Omar A. Elgendy, Jiaju Ma, Stanley H. Chan

IEEE ICCV Workshop, 2021

Demosaicking

Low-Light Demosaicking and Denoising for Small Pixels Using Learned Frequency Selection

Omar Elgendy, Abhiram Gnanasambandam, Stanley H. Chan, and Jiaju Ma

IEEE Transactions on Computational Imaging, 2021

HDR Imaging

HDR Imaging with Quanta Image Sensors: Theoretical Limits and Optimal Reconstruction

Abhiram Gnanasambandam and Stanley H. Chan

IEEE Transactions on Computational Imaging, 2020

Dynamic Low-light

Dynamic Low-light Imaging with Quanta Image Sensors

Yiheng Chi, Abhiram Gnanasambandam, Vladlen Koltun, and Stanley H. Chan

IEEE ECCV, 2020

Classification Dark

Image Classification in the Dark using Quanta Image Sensors

Abhiram Gnanasambandam, and Stanley H. Chan

IEEE ECCV, 2020

CFA Design

Color Filter Arrays Design for Quanta Image Sensors

Omar A. Elgendy, and Stanley H. Chan

IEEE Transactions on Computational Imaging, 2019

Megapixel Color

Megapixel photon-counting color imaging using quanta image sensor

Abhiram Gnanasambandam, Omar A. Elgendy, Jiaju Ma, and Stanley H. Chan

OSA Optics Express, 2019

Multi-bit QIS

Photon-counting Imaging with Multi-bit Quanta Image Sensors

Jiaju Ma, Yu-Wing Chung, Abhiram Gnanasambandam, Stanley H. Chan, and Saleh Masoodian

IISW, 2019

Deep QIS

Image Reconstruction for Quanta Image Sensors using Deep Neural Networks

Joon Hee Choi, Omar A. Elgendy and Stanley H. Chan

IEEE ICASSP, 2019

Optimal Threshold

Optimal Threshold Design for Quanta Image Sensors

Omar A. Elgendy and Stanley H. Chan

IEEE Transactions on Computational Imaging, 2018

Non-Iterative

Non-iterative image reconstruction for quanta image sensors

Stanley H. Chan, Omar Elgendy and Xiran Wang

MDPI Sensors, 2016

ADMM

Efficient image reconstruction for giga-pixel quanta image sensors

Stanley H. Chan, and Yue M. Lu

IEEE GlobalSIP, 2014