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The extraction of useful deep features is important for many computer vision tasks. Deep features extracted from classification networks have proved to perform well in those tasks. To obtain features of greater usefulness, end-to-end…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Shota Horiguchi , Daiki Ikami , Kiyoharu Aizawa

The open world is inherently dynamic, characterized by ever-evolving concepts and distributions. Continual learning (CL) in this dynamic open-world environment presents a significant challenge in effectively generalizing to unseen test-time…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Youngeun Kim , Jun Fang , Qin Zhang , Zhaowei Cai , Yantao Shen , Rahul Duggal , Dripta S. Raychaudhuri , Zhuowen Tu , Yifan Xing , Onkar Dabeer

Data imbalance is common in many vision tasks where one or more classes are rare. Without addressing this issue conventional methods tend to be biased toward the majority class with poor predictive accuracy for the minority class. These…

计算机视觉与模式识别 · 计算机科学 2016-02-04 Chen Huang , Chen Change Loy , Xiaoou Tang

Most deep network methods for compressive sensing reconstruction suffer from the black-box characteristic of DNN. In this paper, a deep neural network with interpretable motion estimation named CSMCNet is proposed. The network is able to…

图像与视频处理 · 电气工程与系统科学 2021-08-04 Bowen Huang , Xiao Yan , Jinjia Zhou , Yibo Fan

We tackle the challenging issue of aggressive fine-tuning encountered during the process of transfer learning of pre-trained language models (PLMs) with limited labeled downstream data. This problem primarily results in a decline in…

计算与语言 · 计算机科学 2023-12-13 Ibtihel Amara , Vinija Jain , Aman Chadha

Principal Component Analysis (PCA) is a fundamental data preprocessing tool in the world of machine learning. While PCA is often thought of as a dimensionality reduction method, the purpose of PCA is actually two-fold: dimension reduction…

机器学习 · 计算机科学 2023-01-25 Arpita Gang , Waheed U. Bajwa

We propose an inexact variable-metric proximal point algorithm to accelerate gradient-based optimization algorithms. The proposed scheme, called QNing can be notably applied to incremental first-order methods such as the stochastic…

机器学习 · 统计学 2019-01-30 Hongzhou Lin , Julien Mairal , Zaid Harchaoui

Precise segmentation of objects is an important problem in tasks like class-agnostic object proposal generation or instance segmentation. Deep learning-based systems usually generate segmentations of objects based on coarse feature maps,…

计算机视觉与模式识别 · 计算机科学 2021-01-13 Christian Wilms , Simone Frintrop

Supervised learning with Earth observation inputs is often limited by the sparsity of high-quality labeled or in-situ measured data to use as training labels. With the abundance of geographic data products, in many cases there are variables…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Zhongying Wang , Kevin Lane , Levi Cai , Morteza Karimzadeh , Esther Rolf

Learning With Opponent-Learning Awareness (LOLA) (Foerster et al. [2018a]) is a multi-agent reinforcement learning algorithm that typically learns reciprocity-based cooperation in partially competitive environments. However, LOLA often…

机器学习 · 计算机科学 2022-10-20 Stephen Zhao , Chris Lu , Roger Baker Grosse , Jakob Nicolaus Foerster

The goal of continual learning is to improve the performance of recognition models in learning sequentially arrived data. Although most existing works are established on the premise of learning from scratch, growing efforts have been…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Gengwei Zhang , Liyuan Wang , Guoliang Kang , Ling Chen , Yunchao Wei

Generalizing policies to unseen scenarios remains a critical challenge in visual reinforcement learning, where agents often overfit to the specific visual observations of the training environment. In unseen environments, distracting pixels…

人工智能 · 计算机科学 2025-02-25 Jingbo Sun , Songjun Tu , Qichao Zhang , Ke Chen , Dongbin Zhao

Classical Principal Component Analysis (PCA) approximates data in terms of projections on a small number of orthogonal vectors. There are simple procedures to efficiently compute various functions of the data from the PCA approximation. The…

机器学习 · 统计学 2019-07-26 Guihong Wan , Crystal Maung , Haim Schweitzer

The fast growth of renewable energies increases the power congestion risk. To address this issue, the French Transmission System Operator (RTE) has developed closed-loop controllers to handle congestion. RTE wishes to estimate the…

应用统计 · 统计学 2024-04-12 Pierre Houdouin , Manuel Ruiz , Patrick Panciatici

Augmenting algorithms with learned predictions is a promising approach for going beyond worst-case bounds. Dinitz, Im, Lavastida, Moseley, and Vassilvitskii~(2021) have demonstrated that a warm start with learned dual solutions can improve…

机器学习 · 计算机科学 2022-05-23 Shinsaku Sakaue , Taihei Oki

Discrete optimization problems often arise in deep learning tasks, despite the fact that neural networks typically operate on continuous data. One class of these problems involve objective functions which depend on neural networks, but…

机器学习 · 计算机科学 2023-10-17 Eric Lei , Arman Adibi , Hamed Hassani

The field of machine learning (ML) has witnessed significant advancements in recent years. However, many existing algorithms lack interpretability and struggle with high-dimensional and imbalanced data. This paper proposes SPINEX, a novel…

机器学习 · 计算机科学 2024-03-26 M. Z. Naser , M. K. albashiti , A. Z. Naser

A detailed development of the principal component proxy method of dynamical tracer reconstruction is presented, including error analysis. The method works by correlating the largest principal components of a matrix representation of the…

大气与海洋物理 · 物理学 2019-09-04 Peter Mills

Numerical reasoning over documents, which demands both contextual understanding and logical inference, is challenging for low-capacity local models deployed on computation-constrained devices. Although such complex reasoning queries could…

人工智能 · 计算机科学 2025-11-11 Min Zhang , Yuzhe Lu , Yun Zhou , Panpan Xu , Lin Lee Cheong , Chang-Tien Lu , Haozhu Wang

Principal Component Analysis (PCA) has been widely used for dimensionality reduction and feature extraction. Robust PCA (RPCA), under different robust distance metrics, such as l1-norm and l2, p-norm, can deal with noise or outliers to some…

机器学习 · 计算机科学 2021-06-29 Zhao Kang , Hongfei Liu , Jiangxin Li , Xiaofeng Zhu , Ling Tian