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Probabilistic circuits (PCs) are a promising avenue for probabilistic modeling, as they permit a wide range of exact and efficient inference routines. Recent ``deep-learning-style'' implementations of PCs strive for a better scalability,…

Power sector capacity expansion models (CEMs) that are used for studying future low-carbon grid scenarios must incorporate detailed representation of grid operations. Often CEMs are formulated to model grid operations over representative…

机器学习 · 计算机科学 2022-04-29 Marc Barbar , Dharik S. Mallapragada

The problem of estimating parameters of a deterministic jump or piecewise linear model is considered. A subspace technique referred to as spectral clustering on subspace (SCS) algorithm is proposed to estimate a set of linear model…

统计方法学 · 统计学 2013-07-02 Liang Li , Wei Dong , Yindong Ji , Lang Tong

Ensemble-based modifications of the well-known SHapley Additive exPlanations (SHAP) method for the local explanation of a black-box model are proposed. The modifications aim to simplify SHAP which is computationally expensive when there is…

机器学习 · 计算机科学 2021-03-08 Lev V. Utkin , Andrei V. Konstantinov

This paper introduces a novel unified representation of diffusion models for image generation and segmentation. Specifically, we use a colormap to represent entity-level masks, addressing the challenge of varying entity numbers while…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Lu Qi , Lehan Yang , Weidong Guo , Yu Xu , Bo Du , Varun Jampani , Ming-Hsuan Yang

In high dimensions we propose and analyze an aggregation estimator of the precision matrix for Gaussian graphical models. This estimator, called graphical Exponential Screening (gES), linearly combines a suitable set of individual…

机器学习 · 统计学 2016-07-05 Zhe Liu

In this paper, we analyze the performance of one- and two-sided amplitude shift keying (ASK) modulations in single-input single-output wireless communication aided by a reconfigurable intelligent surface (RIS). Two scenarios are considered…

信号处理 · 电气工程与系统科学 2024-10-03 Srijika Mukhopadhyay , Badri Ramanjaneya Reddy , Soumya P. Dash , George C. Alexandropoulos , Sonia Aissa

Text as signs, labels, or instructions is a critical element of real-world scenes as they can convey important contextual information. 3D representations such as 3D Gaussian Splatting (3DGS) struggle to preserve fine-grained text details,…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Abhinav Raundhal , Gaurav Behera , P J Narayanan , Ravi Kiran Sarvadevabhatla , Makarand Tapaswi

Recently, 3D Gaussian Splatting (3D-GS) has achieved significant success in real-time, high-quality 3D scene rendering. However, it faces several challenges, including Gaussian redundancy, limited ability to capture view-dependent effects,…

计算机视觉与模式识别 · 计算机科学 2025-05-16 Junxi Jin , Xiulai Li , Haiping Huang , Lianjun Liu , Yujie Sun , Logan Liu

Study of polar codes in fading channels is of great importance when applying polar codes in wireless communications. Channel estimation is a fundamental step for communication to be possible in fading channels. For both systematic and…

信息论 · 计算机科学 2018-01-10 Liping Li , Zuzheng Xu , Yanjun Hu

Accurate gland segmentation in histopathology images is essential for cancer diagnosis and prognosis. However, significant variability in Hematoxylin and Eosin (H&E) staining and tissue morphology, combined with limited annotated data,…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Ha-Hieu Pham , Nguyen Lan Vi Vu , Thanh-Huy Nguyen , Ulas Bagci , Min Xu , Trung-Nghia Le , Huy-Hieu Pham

Environmental Sound Classification (ESC) is an important and challenging problem, and feature representation is a critical and even decisive factor in ESC. Feature representation ability directly affects the accuracy of sound…

声音 · 计算机科学 2019-08-19 Tianhao Qiao , Shunqing Zhang , Zhichao Zhang , Shan Cao , Shugong Xu

In this paper, we investigate the performance of reconfigurable intelligent surface (RIS)-aided spatial shift keying (SSK) wireless communication systems with imperfect channel state information (CSI). Specifically, we study the average bit…

信息论 · 计算机科学 2023-10-17 Xusheng Zhu , Wen Chen , Qingqing Wu , Zhendong Li , Jun Li , Shunqing Zhang , Ming Ding

Symbolic regression (SR) is a data analysis problem where we search for the mathematical expression that best fits a numerical dataset. It is a global optimization problem. The most popular approach to SR is by genetic programming (SRGP).…

神经与进化计算 · 计算机科学 2019-11-19 Sohrab Towfighi

The field of deep clustering combines deep learning and clustering to learn representations that improve both the learned representation and the performance of the considered clustering method. Most existing deep clustering methods are…

In the last few years, large improvements in image clustering have been driven by the recent advances in deep learning. However, due to the architectural complexity of deep neural networks, there is no mathematical theory that explains the…

计算机视觉与模式识别 · 计算机科学 2021-08-30 Angel Villar-Corrales , Veniamin I. Morgenshtern

Deregulation of energy markets, penetration of renewables, advanced metering capabilities, and the urge for situational awareness, all call for system-wide power system state estimation (PSSE). Implementing a centralized estimator though is…

机器学习 · 统计学 2012-07-03 Vassilis Kekatos , Georgios B. Giannakis

This paper presents a new probabilistic approach to embedding message text on an elliptic curve, by using the concept of the RSA Algorithm and its security, and such approach allows us discovering the message from the point, only according…

密码学与安全 · 计算机科学 2017-07-18 Ahmad Steef , M. N. Shamma , A. Alkhatib

We propose R3GS, a robust reconstruction and relocalization framework tailored for unconstrained datasets. Our method uses a hybrid representation during training. Each anchor combines a global feature from a convolutional neural network…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Xu yan , Zhaohui Wang , Rong Wei , Jingbo Yu , Dong Li , Xiangde Liu

The increasing demand for larger and higher fidelity simulations has made Adaptive Mesh Refinement (AMR) and unstructured mesh techniques essential to focus compute effort and memory cost on just the areas of interest in the simulation…

图形学 · 计算机科学 2025-01-23 Xuan Huang , Will Usher , Valerio Pascucci
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