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Cross-correlation techniques provide a promising avenue for calibrating photometric redshifts and determining redshift distributions using spectroscopy which is systematically incomplete (e.g., current deep spectroscopic surveys fail to…

天体物理仪器与方法 · 物理学 2012-01-20 Daniel J. Matthews , Jeffrey A. Newman

We study numerically the critical region and the disordered phase of the random transverse-field Ising chain. By using a mapping of Lieb, Schultz and Mattis to non-interacting fermions, we can obtain a numerically exact solution for rather…

凝聚态物理 · 物理学 2009-10-28 A. P. Young , H. Rieger

Category imbalance is one of the most popular and important issues in the domain of classification. Emotion classification model trained on imbalanced datasets easily leads to unreliable prediction. The traditional machine learning method…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Lu Jiang , Qi Wang , Yuhang Chang , Jianing Song , Haoyue Fu , Xiaochun Yang

This work presents a cost-effective technique for designing robust adaptive beamforming algorithms based on efficient covariance matrix reconstruction with iterative spatial power spectrum (CMR-ISPS). The proposed CMR-ISPS approach…

机器学习 · 计算机科学 2023-09-06 S. Mohammadzadeh , V. H. Nascimento , R. C. de Lamare , O. Kukrer

In this paper, we develop a new sequential regression modeling approach for data streams. Data streams are commonly found around us, e.g in a retail enterprise sales data is continuously collected every day. A demand forecasting model is an…

机器学习 · 统计学 2017-01-11 Chitta Ranjan , Samaneh Ebrahimi , Kamran Paynabar

Towards a safe and comfortable driving, road scene segmentation is a rudimentary problem in camera-based advance driver assistance systems (ADAS). Despite of the great achievement of Convolutional Neural Networks (CNN) for semantic…

计算机视觉与模式识别 · 计算机科学 2022-07-08 Farnoush Zohourian , Jan Siegemund , Mirko Meuter , Josef Pauli

Kernel methods, particularly kernel ridge regression (KRR), are time-proven, powerful nonparametric regression techniques known for their rich capacity, analytical simplicity, and computational tractability. The analysis of their predictive…

统计理论 · 数学 2025-09-23 Xin Bing , Xin He , Chao Wang

Conditional Random Field (CRF) based neural models are among the most performant methods for solving sequence labeling problems. Despite its great success, CRF has the shortcoming of occasionally generating illegal sequences of tags, e.g.…

机器学习 · 计算机科学 2021-03-22 Tianwen Wei , Jianwei Qi , Shenghuan He , Songtao Sun

Implicit representation mapping (IRM) can translate image features to any continuous resolution, showcasing its potent capability for ultra-high-resolution image segmentation refinement. Current IRM-based methods for refining…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Ziyu Zhao , Xiaoguang Li , Pingping Cai , Canyu Zhang , Song Wang

Optimization problems, particularly NP-Hard Combinatorial Optimization problems, are some of the hardest computing problems with no known polynomial time algorithm existing. Recently there has been interest in using dedicated hardware to…

硬件体系结构 · 计算机科学 2020-10-15 Saavan Patel , Lili Chen , Philip Canoza , Sayeef Salahuddin

Mean field control (MFC) problems have vast applications in artificial intelligence, engineering, and economics, while solving MFC problems accurately and efficiently in high-dimensional spaces remains challenging. This work introduces…

最优化与控制 · 数学 2025-03-26 Jiaxi Zhao , Mo Zhou , Xinzhe Zuo , Wuchen Li

Although there has been a rapid development of practical applications, theoretical explanations of deep learning are in their infancy. Deep learning performs a sophisticated coarse graining. Since coarse graining is a key ingredient of the…

机器学习 · 计算机科学 2020-06-11 Ellen de Mello Koch , Robert de Mello Koch , Ling Cheng

Implicit Chain-of-Thought (CoT) reduces the inference cost of large language models by internalizing the explicit rationales. However, existing approaches typically lack alignment with explicit rationales and adaptivity to example…

计算与语言 · 计算机科学 2026-05-28 Yukyung Lee , Yumeng Shen , Jinhyeong Park , Hyein Yang , Jun-Hyung Park

Despite enjoying desirable efficiency and reduced reliance on domain expertise, existing neural methods for vehicle routing problems (VRPs) suffer from severe robustness issues -- their performance significantly deteriorates on clean…

人工智能 · 计算机科学 2024-10-08 Jianan Zhou , Yaoxin Wu , Zhiguang Cao , Wen Song , Jie Zhang , Zhiqi Shen

Markov Random Fields (MRFs), a formulation widely used in generative image modeling, have long been plagued by the lack of expressive power. This issue is primarily due to the fact that conventional MRFs formulations tend to use simplistic…

计算机视觉与模式识别 · 计算机科学 2016-09-08 Zhirong Wu , Dahua Lin , Xiaoou Tang

This paper proposes a novel optimization framework for discrete phase shifts of a reconfigurable intelligent surface (RIS) using a coherent Ising machine (CIM). Unlike conventional methods based on iterative convex approximation or…

Recurrent neural networks (RNN) are popular for many computer vision tasks, including multi-label classification. Since RNNs produce sequential outputs, labels need to be ordered for the multi-label classification task. Current approaches…

计算机视觉与模式识别 · 计算机科学 2020-03-13 Vacit Oguz Yazici , Abel Gonzalez-Garcia , Arnau Ramisa , Bartlomiej Twardowski , Joost van de Weijer

In container terminal yards, the Container Rehandling Problem (CRP) involves rearranging containers between stacks under specific operational rules, and it is a pivotal optimization challenge in intelligent container scheduling systems.…

人工智能 · 计算机科学 2025-04-22 Ruoqi Wang , Jiawei Li

Magnetic Resonance Imaging (MRI) is a widely utilized diagnostic tool in clinical settings, but its application is limited by the relatively long acquisition time. As a result, fast MRI reconstruction has become a significant area of…

图像与视频处理 · 电气工程与系统科学 2025-06-09 Lixuan Rao , Xinlin Zhang , Yiman Huang , Tao Tan , Tong Tong

Time-frequency analysis is an important and challenging task in many applications. Fourier and wavelet analysis are two classic methods that have achieved remarkable success in many fields. However, they also exhibit limitations when…

机器学习 · 计算机科学 2024-10-25 Feng Zhou , Antonio Cicone , Haomin Zhou