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The Gaussian graphical model (GGM) incorporates an undirected graph to represent the conditional dependence between variables, with the precision matrix encoding partial correlation between pair of variables given the others. To achieve…

统计方法学 · 统计学 2023-07-03 Yueqi Qian , Xianghong Hu , Can Yang

We present a new algorithm for stochastic variational inference that targets at models with non-differentiable densities. One of the key challenges in stochastic variational inference is to come up with a low-variance estimator of the…

机器学习 · 计算机科学 2018-10-26 Wonyeol Lee , Hangyeol Yu , Hongseok Yang

Micro-segmentation of customers in the finance sector is a non-trivial task and has been an atypical omission from recent scientific literature. Where traditional segmentation classifies customers based on coarse features such as…

机器学习 · 计算机科学 2021-12-13 Charl Maree , Christian W. Omlin

This research paper addresses the significant challenge of accurately estimating poverty levels using deep learning, particularly in developing regions where traditional methods like household surveys are often costly, infrequent, and…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Muhammad Umer Ramzan , Wahab Khaddim , Muhammad Ehsan Rana , Usman Ali , Manohar Ali , Fiaz ul Hassan , Fatima Mehmood

We propose a novel approach for detecting change points in high-dimensional linear regression models. Unlike previous research that relied on strict Gaussian/sub-Gaussian error assumptions and had prior knowledge of change points, we…

统计方法学 · 统计学 2024-05-22 Bin Liu , Zhengling Qi , Xinsheng Zhang , Yufeng Liu

Recent trends in Video Instance Segmentation (VIS) have seen a growing reliance on online methods to model complex and lengthy video sequences. However, the degradation of representation and noise accumulation of the online methods,…

计算机视觉与模式识别 · 计算机科学 2023-05-29 Tanveer Hannan , Rajat Koner , Maximilian Bernhard , Suprosanna Shit , Bjoern Menze , Volker Tresp , Matthias Schubert , Thomas Seidl

Accurate ranking of important features is a fundamental challenge in interpretable machine learning with critical applications in scientific discovery and decision-making. Unlike feature selection and feature importance, the specific…

机器学习 · 计算机科学 2025-09-22 Yuxi Chen , Tiffany Tang , Genevera Allen

Convolutional Neural Networks have achieved impressive results in various tasks, but interpreting the internal mechanism is a challenging problem. To tackle this problem, we exploit a multi-channel attention mechanism in feature space. Our…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Masanari Kimura , Masayuki Tanaka

When training predictive models on data with missing entries, the most widely used and versatile approach is a pipeline technique where we first impute missing entries and then compute predictions. In this paper, we view prediction with…

机器学习 · 计算机科学 2025-02-25 Dimitris Bertsimas , Arthur Delarue , Jean Pauphilet

Estimation of a vector from quantized linear measurements is a common problem for which simple linear techniques are suboptimal -- sometimes greatly so. This paper develops generalized approximate message passing (GAMP) algorithms for…

信息论 · 计算机科学 2015-03-24 Ulugbek Kamilov , Vivek K. Goyal , Sundeep Rangan

Machine learning algorithms often assume that training samples are independent. When data points are connected by a network, the induced dependency between samples is both a challenge, reducing effective sample size, and an opportunity to…

机器学习 · 统计学 2025-09-22 Tiffany M. Tang , Elizaveta Levina , Ji Zhu

Supervised statistical classification is a vital tool for satellite image processing. It is useful not only when a discrete result, such as feature extraction or surface type, is required, but also for continuum retrievals by dividing the…

大气与海洋物理 · 物理学 2016-02-05 Peter Mills

Various approaches have been proposed for providing efficient computational approaches for abstract argumentation. Among them, neural networks have permitted to solve various decision problems, notably related to arguments (credulous or…

人工智能 · 计算机科学 2024-09-26 Paul Cibier , Jean-Guy Mailly

We study the problem of estimating from data, a sparse approximation to the inverse covariance matrix. Estimating a sparsity constrained inverse covariance matrix is a key component in Gaussian graphical model learning, but one that is…

机器学习 · 统计学 2011-06-28 Suvrit Sra , Dongmin Kim

Grasping objects is one of the most important abilities that a robot needs to master in order to interact with its environment. Current state-of-the-art methods rely on deep neural networks trained to jointly predict a graspability score…

机器人学 · 计算机科学 2021-04-01 Amaury Depierre , Emmanuel Dellandréa , Liming Chen

Automatic calibration of multi-camera systems, namely the accurate estimation of spatial extrinsic parameters, is fundamental for 3D reconstruction, panoramic perception, and multi-view data fusion. Existing methods typically rely on…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Chentian Sun

The performance of Large Language Models (LLMs) is increasingly governed by data efficiency rather than raw scaling volume. However, existing selection methods often decouple global distribution balancing from local instance selection,…

计算与语言 · 计算机科学 2026-03-03 Changhao Wang , Jiaolong Yang , Xinhao Yao , Yunfei Yu , Peng Jiao , Lu Yu , Junpeng Fang , Riccardo Cantoro , Qing Cui , Jun Zhou

As an emerging interpretable technique, Generalized Additive Models (GAMs) adopt neural networks to individually learn non-linear functions for each feature, which are then combined through a linear model for final predictions. Although…

机器学习 · 计算机科学 2024-08-01 Viet Duong , Qiong Wu , Zhengyi Zhou , Hongjue Zhao , Chenxiang Luo , Eric Zavesky , Huaxiu Yao , Huajie Shao

Grasp detection in clutter requires the robot to reason about the 3D scene from incomplete and noisy perception. In this work, we draw insight that 3D reconstruction and grasp learning are two intimately connected tasks, both of which…

机器人学 · 计算机科学 2021-07-22 Zhenyu Jiang , Yifeng Zhu , Maxwell Svetlik , Kuan Fang , Yuke Zhu

Although significant achievements have been achieved by recurrent neural network (RNN) based video prediction methods, their performance in datasets with high resolutions is still far from satisfactory because of the information loss…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Zheng Chang , Xinfeng Zhang , Shanshe Wang , Siwei Ma , Wen Gao