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Network-based transfer learning allows the reuse of deep learning features with limited data, but the resulting models can be unnecessarily large. Although network pruning can improve inference efficiency, existing algorithms usually…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Ken C. L. Wong , Satyananda Kashyap , Mehdi Moradi

In this work, we further develop multigoal-oriented a posteriori error estimation with two objectives in mind. First, we formulate goal-oriented mesh adaptivity for multiple functionals of interest for nonlinear problems in which both the…

数值分析 · 数学 2018-04-05 B. Endtmayer , U. Langer , T. Wick

State-of-the-art results on neural machine translation often use attentional sequence-to-sequence models with some form of convolution or recursion. Vaswani et al. (2017) propose a new architecture that avoids recurrence and convolution…

人工智能 · 计算机科学 2017-11-08 Karim Ahmed , Nitish Shirish Keskar , Richard Socher

When solving decision-making problems with mathematical optimization, some constraints or objectives may lack analytic expressions but can be approximated from data. When an approximation is made by neural networks, the underlying problem…

最优化与控制 · 数学 2025-03-25 Xinwei Liu , Vladimir Dvorkin

Submodular function minimization is a fundamental optimization problem that arises in several applications in machine learning and computer vision. The problem is known to be solvable in polynomial time, but general purpose algorithms have…

机器学习 · 计算机科学 2015-02-10 Alina Ene , Huy L. Nguyen

Previous work on multimodal machine translation has shown that visual information is only needed in very specific cases, for example in the presence of ambiguous words where the textual context is not sufficient. As a consequence, models…

计算与语言 · 计算机科学 2019-06-19 Julia Ive , Pranava Madhyastha , Lucia Specia

Object pose refinement is essential for robust object pose estimation. Previous work has made significant progress towards instance-level object pose refinement. Yet, category-level pose refinement is a more challenging problem due to large…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Linfang Zheng , Tze Ho Elden Tse , Chen Wang , Yinghan Sun , Hua Chen , Ales Leonardis , Wei Zhang

The theory behind compressive sampling pre-supposes that a given sequence of observations may be exactly represented by a linear combination of a small number of basis vectors. In practice, however, even small deviations from an exact…

最优化与控制 · 数学 2014-06-30 Jonathan M. Nichols , Albert K. Oh , Rebecca M. Willett

Blind Super-Resolution (blind SR) aims to enhance the model's generalization ability with unknown degradation, yet it still encounters severe overfitting issues. Some previous methods inspired by dropout, which enhances generalization by…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Hang Xu , Wei Yu , Jiangtong Tan , Zhen Zou , Feng Zhao

Communication compression has become a key strategy to speed up distributed optimization. However, existing decentralized algorithms with compression mainly focus on compressing DGD-type algorithms. They are unsatisfactory in terms of…

机器学习 · 计算机科学 2021-03-22 Xiaorui Liu , Yao Li , Rongrong Wang , Jiliang Tang , Ming Yan

A common study area in anomaly identification is industrial images anomaly detection based on texture background. The interference of texture images and the minuteness of texture anomalies are the main reasons why many existing models fail…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Yaohua Guo , Lijuan Song , Zirui Ma

Linear inverse problems are ubiquitous. Often the measurements do not follow a Gaussian distribution. Additionally, a model matrix with a large condition number can complicate the problem further by making it ill-posed. In this case, the…

统计方法学 · 统计学 2016-06-03 Marta Martinez-Camara , Michael Muma , Benjamin Bejar , Abdelhak M. Zoubir , Martin Vetterli

Massively multilingual models for neural machine translation (NMT) are theoretically attractive, but often underperform bilingual models and deliver poor zero-shot translations. In this paper, we explore ways to improve them. We argue that…

计算与语言 · 计算机科学 2020-04-27 Biao Zhang , Philip Williams , Ivan Titov , Rico Sennrich

In this paper, we extend the reduced-basis methods developed earlier for wave equations to goal-oriented wave equations with affine parameter dependence. The essential new ingredient is the dual (or adjoint) problem and the use of its…

计算物理 · 物理学 2013-05-16 Khac Chi Hoang , Pierre Kerfriden , Stephane P. A. Bordas

We propose a new fast algorithm for solving one of the standard approaches to ill-posed linear inverse problems (IPLIP), where a (possibly non-smooth) regularizer is minimized under the constraint that the solution explains the observations…

最优化与控制 · 数学 2012-10-10 Manya V. Afonso , José M. Bioucas-Dias , Mário A. T. Figueiredo

In this paper we present an algorithm to reduce the area of a surface spanned by a finite number of boundary curves by initiating a variational improvement in the surface. The ansatz we suggest consists of original surface plus a…

微分几何 · 数学 2014-02-24 Daud Ahmad , Bilal Masud

Recently, detecting logical anomalies is becoming a more challenging task compared to detecting structural ones. Existing encoder decoder based methods typically compress inputs into low-dimensional bottlenecks on the assumption that the…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Muhao Xu , Xueying Zhou , Xizhan Gao , Weiye Song , Guang Feng , Sijie Niu

We present an improved Bayesian framework for performing inference of affine transformations of constrained functions. We focus on quadrature with nonnegative functions, a common task in Bayesian inference. We consider constraints on the…

机器学习 · 计算机科学 2019-02-28 Henry Chai , Roman Garnett

Convolutional neural network training can suffer from diverse issues like exploding or vanishing gradients, scaling-based weight space symmetry and covariant-shift. In order to address these issues, researchers develop weight regularization…

计算机视觉与模式识别 · 计算机科学 2021-03-12 Theodoros Georgiou , Sebastian Schmitt , Thomas Bäck , Wei Chen , Michael Lew

We presented a separation based optimization algorithm which, rather than optimization the entire variables altogether, This would allow us to employ: 1) a class of nonlinear functions with three variables and 2) a convex quadratic…

计算机视觉与模式识别 · 计算机科学 2015-12-09 Masoud Aghamohamadian-Sharbaf , Ahmadreza Heravi , Hamidreza Pourreza