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Super-resolution (SR) models in cosmological simulations use deep learning (DL) to rapidly enhance low-resolution (LR) runs with statistically correct fine details. These models preserves large-scale structures by conditioning on an LR…

宇宙学与河外天体物理 · 物理学 2025-02-13 Xiaowen Zhang , Patrick Lachance , Ankita Dasgupta , Rupert A. C. Croft , Tiziana Di Matteo , Yueying Ni , Simeon Bird , Yin Li

In recent years, quantum computing (QC) has been getting a lot of attention from industry and academia. Especially, among various QC research topics, variational quantum circuit (VQC) enables quantum deep reinforcement learning (QRL). Many…

量子物理 · 物理学 2022-04-12 Won Joon Yun , Yunseok Kwak , Jae Pyoung Kim , Hyunhee Cho , Soyi Jung , Jihong Park , Joongheon Kim

Quarter sampling is a novel sensor concept that enables the acquisition of higher resolution images without increasing the number of pixels. This is achieved by covering three quarters of each pixel of a low-resolution sensor such that only…

图像与视频处理 · 电气工程与系统科学 2022-03-02 Simon Grosche , Kristian Fischer , Fabian Brand , Jürgen Seiler , André Kaup

Image super-resolution (SR) is a technique to recover lost high-frequency information in low-resolution (LR) images. Spatial-domain information has been widely exploited to implement image SR, so a new trend is to involve frequency-domain…

图像与视频处理 · 电气工程与系统科学 2022-12-09 Jing Fang , Yinbo Yu , Zhongyuan Wang , Xin Ding , Ruimin Hu

Single Image Super-Resolution is a classic computer vision problem that involves estimating high-resolution (HR) images from low-resolution (LR) ones. Although deep neural networks (DNNs), especially Transformers for super-resolution, have…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Leheng Zhang , Yawei Li , Xingyu Zhou , Xiaorui Zhao , Shuhang Gu

Convolutional neural network (CNN) depth is of crucial importance for image super-resolution (SR). However, we observe that deeper networks for image SR are more difficult to train. The low-resolution inputs and features contain abundant…

计算机视觉与模式识别 · 计算机科学 2018-07-16 Yulun Zhang , Kunpeng Li , Kai Li , Lichen Wang , Bineng Zhong , Yun Fu

Recent developments in quantum computing and machine learning have propelled the interdisciplinary study of quantum machine learning. Sequential modeling is an important task with high scientific and commercial value. Existing VQC or…

神经与进化计算 · 计算机科学 2022-11-07 Samuel Yen-Chi Chen , Daniel Fry , Amol Deshmukh , Vladimir Rastunkov , Charlee Stefanski

This study proposes a theory of unsupervised super-resolution data assimilation (SRDA) using conditional variational autoencoders (CVAEs). We derive an evidence lower bound for unsupervised learning, showing that our theory is an extension…

大气与海洋物理 · 物理学 2025-04-17 Yuki Yasuda , Ryo Onishi

Quantum process tomography (QPT) is a fundamental tool for fully characterizing quantum systems. It relies on querying a set of quantum states as input to the quantum process. Previous QPT methods typically employ a straightforward strategy…

量子物理 · 物理学 2025-06-06 Jiaqi Yang , Xiaohua Xu , Wei Xie

We propose a deep learning method for single image super-resolution (SR). Our method directly learns an end-to-end mapping between the low/high-resolution images. The mapping is represented as a deep convolutional neural network (CNN) that…

计算机视觉与模式识别 · 计算机科学 2015-08-03 Chao Dong , Chen Change Loy , Kaiming He , Xiaoou Tang

Deep neural networks have exhibited promising performance in image super-resolution (SR) by learning a nonlinear mapping function from low-resolution (LR) images to high-resolution (HR) images. However, there are two underlying limitations…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Yong Guo , Jian Chen , Jingdong Wang , Qi Chen , Jiezhang Cao , Zeshuai Deng , Yanwu Xu , Mingkui Tan

Most deep learning-based super-resolution (SR) methods are not image-specific: 1) They are trained on samples synthesized by predefined degradations (e.g. bicubic downsampling), regardless of the domain gap between training and testing…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Shang Li , Guixuan Zhang , Zhengxiong Luo , Jie Liu , Zhi Zeng , Shuwu Zhang

Quantum learning encounters fundamental challenges when estimating non-linear properties, owing to the inherent linearity of quantum mechanics. Although recent advances in single-copy randomized measurement protocols have achieved optimal…

量子物理 · 物理学 2026-03-30 Zhenyu Du , Yifan Tang , Andreas Elben , Ingo Roth , Jens Eisert , Zhenhuan Liu

Recent advancements in quantum computing (QC) and machine learning (ML) have garnered significant attention, leading to substantial efforts toward the development of quantum machine learning (QML) algorithms to address a variety of complex…

量子物理 · 物理学 2024-12-18 Samuel Yen-Chi Chen

Variational Quantum Circuits (VQCs), or the so-called quantum neural-networks, are predicted to be one of the most important near-term quantum applications, not only because of their similar promises as classical neural-networks, but also…

编程语言 · 计算机科学 2020-04-03 Shaopeng Zhu , Shih-Han Hung , Shouvanik Chakrabarti , Xiaodi Wu

This paper investigates a turbo receiver employing a variational quantum circuit (VQC). The VQC is configured with an ansatz of the quantum approximate optimization algorithm (QAOA). We propose a 'learning to learn' (L2L) framework to…

信号处理 · 电气工程与系统科学 2022-05-19 Bryan Liu , Toshiaki Koike-Akino , Ye Wang , Kieran Parsons

The accurate estimation of quantum observables is a critical task in science. With progress on the hardware, measuring a quantum system will become increasingly demanding, particularly for variational protocols that require extensive…

As an emerging approach, deep learning plays an increasingly influential role in channel modeling. Traditional ray tracing (RT) methods of channel modeling tend to be inefficient and expensive. In this paper, we present a super-resolution…

信号处理 · 电气工程与系统科学 2023-01-24 Haoyang Zhang , Danping He , Xiping Wang , Wenbin Wang , Yunhao Cheng , Ke Guan

The field of Quantum Machine Learning (QML) has emerged recently in the hopes of finding new machine learning protocols or exponential speedups for classical ones. Apart from problems with vanishing gradients and efficient encoding methods,…

机器学习 · 计算机科学 2023-10-17 Hannah Helgesen , Michael Felsberg , Jan-Åke Larsson

Quantum chemistry has been identified as one of the most promising areas where quantum computing can have a tremendous impact. For current Noisy Intermediate-Scale Quantum (NISQ) devices, one of the best available methods to prepare…

量子物理 · 物理学 2024-04-05 Marco Majland , Patrick Ettenhuber , Nikolaj Thomas Zinner