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Photon statistics of an optical field can be used for quantum optical sensing in low light level scenarios free of bulky optical components. However, photon-number-resolving detection to unravel the photon statistics is challenging. Here,…

量子物理 · 物理学 2023-07-31 F. Bao , L. Bauer , A. E. Rubio Lopez , Z. Jacob

Properties of quantum states have disclosed new technologies, ranging from quantum information to quantum metrology. Among them a recent research field is quantum imaging, addressed to overcome limits of classical imaging by exploiting…

量子物理 · 物理学 2010-04-09 G. Brida , M. Genovese , I. Ruo Berchera

In this paper, we tackle the problem of enhancing real-world low-light images with significant noise in an unsupervised fashion. Conventional unsupervised learning-based approaches usually tackle the low-light image enhancement problem…

图像与视频处理 · 电气工程与系统科学 2022-03-29 Wei Xiong , Ding Liu , Xiaohui Shen , Chen Fang , Jiebo Luo

Image classification systems recently made a giant leap with the advancement of deep neural networks. However, these systems require an excessive amount of labeled data to be adequately trained. Gathering a correctly annotated dataset is…

机器学习 · 计算机科学 2021-01-19 Görkem Algan , Ilkay Ulusoy

Background noise in many fields such as medical imaging poses significant challenges for accurate diagnosis, prompting the development of denoising algorithms. Traditional methodologies, however, often struggle to address the complexities…

图像与视频处理 · 电气工程与系统科学 2025-02-03 Amirreza Hashemi , Sayantan Dutta , Bertrand Georgeot , Denis Kouame , Hamid Sabet

In this paper, we consider different Quantum Image Representation Methods to encode images into quantum states and then use a Quantum Machine Learning pipeline to classify the images. We provide encouraging results on classifying benchmark…

量子物理 · 物理学 2023-01-06 Ankit Khandelwal , M Girish Chandra , Sayantan Pramanik

Extracting information from weak optical signals is a critical challenge across a broad range of technologies. Conventional imaging techniques, constrained to integrating over detected signals and classical post-processing, are limited in…

量子物理 · 物理学 2025-12-18 Aleksandr Mokeev , Babak Saif , Mikhail D. Lukin , Johannes Borregaard

We propose a novel dark matter detection scheme by leveraging quantum coherence across a network of multiple quantum sensors. This method effectively eliminates incoherent background noise, thereby significantly enhancing detection…

高能物理 - 唯象学 · 物理学 2024-10-31 Jing Shu , Bin Xu , Yuan Xu

Far-field optical imaging inevitably involves low-pass spatial filtering, limiting the resolution. Moreover, conventional imaging suppresses high spatial frequency components close to the cutoff, making them invisible under noise,…

量子物理 · 物理学 2026-05-08 Li Gong , Aonan Zhang , Madhura Ghosh Dastidar , Alexander Duplinskii , A. I. Lvovsky

Macroscopic quantum phenomena, such as observed in superfluids and superconductors, have led to promising technological advancements and some of the most important tests of fundamental physics. At present, quantum detection of light is…

When one captures images in low-light conditions, the images often suffer from low visibility. This poor quality may significantly degrade the performance of many computer vision and multimedia algorithms that are primarily designed for…

计算机视觉与模式识别 · 计算机科学 2016-07-26 Xiaojie Guo

Images captured in the low-light condition suffer from low visibility and various imaging artifacts, e.g., real noise. Existing supervised enlightening algorithms require a large set of pixel-aligned training image pairs, which are hard to…

图像与视频处理 · 电气工程与系统科学 2022-07-11 Lanqing Guo , Renjie Wan , Wenhan Yang , Alex Kot , Bihan Wen

Entangled photons have the remarkable ability to be more sensitive to signal and less sensitive to noise than classical light. Joint photons can sample an object collectively, resulting in faster phase accumulation and higher spatial…

光学 · 物理学 2015-09-04 Chien-Hung Lu , Matthew Reichert , Xiaohang Sun , Jason W. Fleischer

Photon-limited imaging arises when the number of photons collected by a sensor array is small relative to the number of detector elements. Photon limitations are an important concern for many applications such as spectral imaging, night…

计算机视觉与模式识别 · 计算机科学 2014-04-29 Joseph Salmon , Zachary Harmany , Charles-Alban Deledalle , Rebecca Willett

We propose a novel method to significantly enhance the signal rate in qubit-based dark matter detection experiments with the help of quantum interference. Various quantum sensors possess ideal properties for detecting wave-like dark matter,…

高能物理 - 唯象学 · 物理学 2024-07-31 Shion Chen , Hajime Fukuda , Toshiaki Inada , Takeo Moroi , Tatsumi Nitta , Thanaporn Sichanugrist

The proliferation of single-photon image sensors has opened the door to a plethora of high-speed and low-light imaging applications. However, data collected by these sensors are often 1-bit or few-bit, and corrupted by noise and strong…

图像与视频处理 · 电气工程与系统科学 2024-11-18 Prateek Chennuri , Yiheng Chi , Enze Jiang , G. M. Dilshan Godaliyadda , Abhiram Gnanasambandam , Hamid R. Sheikh , Istvan Gyongy , Stanley H. Chan

In recent years, significant progress has been made in image recognition technology based on deep neural networks. However, improving recognition performance under low-light conditions remains a significant challenge. This study addresses…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Seitaro Ono , Yuka Ogino , Takahiro Toizumi , Atsushi Ito , Masato Tsukada

Classical machine learning often struggles with complex, high-dimensional data. Quantum machine learning offers a potential solution, promising more efficient processing. The quantum convolutional neural network (QCNN), a hybrid algorithm,…

量子物理 · 物理学 2025-07-25 Hinako Asaoka , Kazue Kudo

Existing Camouflaged Object Detection (COD) methods rely heavily on large-scale pixel-annotated training sets, which are both time-consuming and labor-intensive. Although weakly supervised methods offer higher annotation efficiency, their…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Jin Zhang , Ruiheng Zhang , Yanjiao Shi , Zhe Cao , Nian Liu , Fahad Shahbaz Khan

We propose a method to mitigate measurement errors in the distribution counts of a Quantum computer using image contrast filters. This work is similar to the method described by Gambetta and colleagues in [1]; however our technique does not…

量子物理 · 物理学 2023-07-17 Wladimir Silva