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In recent years, deep convolutional neural networks have shown fascinating performance in the field of image denoising. However, deeper network architectures are often accompanied with large numbers of model parameters, leading to high…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Wencong Wu , Shicheng Liao , Guannan Lv , Peng Liang , Yungang Zhang

A big challenge in branch and bound lies in identifying the optimal node within the search tree from which to proceed. Current state-of-the-art selectors utilize either hand-crafted ensembles that automatically switch between naive sub-node…

机器学习 · 计算机科学 2024-06-06 Alexander Mattick , Christopher Mutschler

When neural networks are used to solve differential equations, they usually produce solutions in the form of black-box functions that are not directly mathematically interpretable. We introduce a method for generating symbolic expressions…

机器学习 · 计算机科学 2020-11-05 Maysum Panju , Ali Ghodsi

Real-world data usually couples the label ambiguity and heavy imbalance, challenging the algorithmic robustness of partial label learning (PLL) and long-tailed learning (LT). The straightforward combination of LT and PLL, i.e., LT-PLL,…

机器学习 · 计算机科学 2023-02-13 Feng Hong , Jiangchao Yao , Zhihan Zhou , Ya Zhang , Yanfeng Wang

Measuring tree morphology for phenotyping is an essential but labor-intensive activity in horticulture. Researchers often rely on manual measurements which may not be accurate for example when measuring tree volume. Recent approaches on…

机器人学 · 计算机科学 2018-04-18 Wenbo Dong , Volkan Isler

Batch normalization (BN) is a ubiquitous technique for training deep neural networks that accelerates their convergence to reach higher accuracy. However, we demonstrate that BN comes with a fundamental drawback: it incentivizes the model…

机器学习 · 计算机科学 2022-07-05 Saeid Asgari Taghanaki , Ali Gholami , Fereshte Khani , Kristy Choi , Linh Tran , Ran Zhang , Aliasghar Khani

Working with generating functions, the combinatorics of a recurrence relation can be expressed in a way that allows for more efficient calculation of the quantity. This is true of the Catalan numbers for an ordered binary tree…

组合数学 · 数学 2025-03-05 David Serena , William J Buchanan

Deep learning models are nowadays broadly deployed to solve an incredibly large variety of tasks. Commonly, leveraging over the availability of "big data", deep neural networks are trained as black-boxes, minimizing an objective function at…

机器学习 · 计算机科学 2022-10-04 Enzo Tartaglione

Deep neural network architectures often consist of repetitive structural elements. We introduce an approach that reveals these patterns and can be broadly applied to the study of deep learning. Similarly to how a power strip helps untangle…

统计力学 · 物理学 2025-07-03 Donghee Lee , Hye-Sung Lee , Jaeok Yi

Class imbalance in graph data presents a significant challenge for effective node classification, particularly in semi-supervised scenarios. In this work, we formally introduce the concept of geometric imbalance, which captures how message…

机器学习 · 计算机科学 2026-03-24 Liang Yan , Shengzhong Zhang , Bisheng Li , Menglin Yang , Chen Yang , Min Zhou , Weiyang Ding , Yutong Xie , Zengfeng Huang

Any Boolean function corresponds with a complete full binary decision tree. This tree can in turn be represented in a maximally compact form as a direct acyclic graph where common subtrees are factored and shared, keeping only one copy of…

数据结构与算法 · 计算机科学 2020-05-26 Julien Clément , Antoine Genitrini

Automated mathematical reasoning is a challenging problem that requires an agent to learn algebraic patterns that contain long-range dependencies. Two particular tasks that test this type of reasoning are (1) mathematical equation…

机器学习 · 计算机科学 2021-04-08 Ankur Mali , Alexander Ororbia , Daniel Kifer , C. Lee Giles

Automated segmentation of hard exudates in colour fundus images is a challenge task due to issues of extreme class imbalance and enormous size variation. This paper aims to tackle these issues and proposes a dual-branch network with…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Qing Liu , Haotian Liu , Yixiong Liang

The harmonic balance method is the most commonly used method for solving periodic solutions of nonlinear dynamic systems, but the high-order approximation of nonlinear terms requires sophisticated formula derivation, which limits its…

数值分析 · 数学 2023-08-02 Dai Honghua , Wang Qisi , Yan Zipu , Yue Xiaokui

Edge-coloured directed graphs provide an essential structure for modelling and analysis of complex systems arising in many scientific disciplines (e.g. feature-oriented systems, gene regulatory networks, etc.). One of the fundamental…

数据结构与算法 · 计算机科学 2023-06-22 Nikola Beneš , Luboš Brim , Samuel Pastva , David Šafránek

The capability of image semantic segmentation may be deteriorated due to noisy input image, where image denoising prior to segmentation helps. Both image denoising and semantic segmentation have been developed significantly with the advance…

计算机视觉与模式识别 · 计算机科学 2021-02-25 Shunxin Xu , Ke Sun , Dong Liu , Zhiwei Xiong , Zheng-Jun Zha

Dynamics on networks are often characterized by the second smallest eigenvalue of the Laplacian matrix of the network, which is called the spectral gap. Examples include the threshold coupling strength for synchronization and the relaxation…

无序系统与神经网络 · 物理学 2010-11-01 Takamitsu Watanabe , Naoki Masuda

Although link prediction on graphs has achieved great success with the development of graph neural networks (GNNs), the potential robustness under the edge noise is still less investigated. To close this gap, we first conduct an empirical…

机器学习 · 计算机科学 2023-11-03 Zhanke Zhou , Jiangchao Yao , Jiaxu Liu , Xiawei Guo , Quanming Yao , Li He , Liang Wang , Bo Zheng , Bo Han

RGB-D salient object detection (SOD) demonstrates its superiority on detecting in complex environments due to the additional depth information introduced in the data. Inevitably, an independent stream is introduced to extract features from…

计算机视觉与模式识别 · 计算机科学 2022-06-03 Guangyu Ren , Yinxiao Yu , Hengyan Liu , Tania Stathaki

The Binary Space Partitioning-Tree~(BSP-Tree) process was recently proposed as an efficient strategy for space partitioning tasks. Because it uses more than one dimension to partition the space, the BSP-Tree Process is more efficient and…

机器学习 · 统计学 2020-03-03 Xuhui Fan , Bin Li , Scott A. Sisson