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Convolutional neural networks have achieved great success in various vision tasks; however, they incur heavy resource costs. By using deeper and wider networks, network accuracy can be improved rapidly. However, in an environment with…

计算机视觉与模式识别 · 计算机科学 2018-11-01 Yunho Jeon , Junmo Kim

Alias analysis, which determines whether two expressions in a program may reference to the same object, has many potential applications in program construction and verification. We have developed a theory for alias analysis, the "alias…

编程语言 · 计算机科学 2013-07-12 Alexander Kogtenkov , Bertrand Meyer , Sergey Velder

When processing similar frames in succession, we can take advantage of the locality of the convolution operation to reevaluate only portions of the image that changed from the previous frame. By saving the output of a layer of convolutions…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Arno Khachatourian

This note addresses identification of the $A$-matrix in continuous time linear dynamical systems on state-space form. If this matrix is partially known or known to have a sparse structure, such knowledge can be used to simplify the…

系统与控制 · 计算机科学 2016-05-24 Zuogon Yue , Johan Thunberg , Jorge Goncalves

Dilated Convolutions have been shown to be highly useful for the task of image segmentation. By introducing gaps into convolutional filters, they enable the use of larger receptive fields without increasing the original kernel size. Even…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Thomas Ziegler , Manuel Fritsche , Lorenz Kuhn , Konstantin Donhauser

Optical fiber links are known as the most performing tools to transfer ultrastable frequency reference signals. However, these signals are affected by phase noise up to bandwidths of several kilohertz and a careful data processing strategy…

仪器与探测器 · 物理学 2015-12-15 Claudio E. Calosso , Cecilia Clivati , Salvatore Micalizio

Pose Machines provide a sequential prediction framework for learning rich implicit spatial models. In this work we show a systematic design for how convolutional networks can be incorporated into the pose machine framework for learning…

计算机视觉与模式识别 · 计算机科学 2016-04-13 Shih-En Wei , Varun Ramakrishna , Takeo Kanade , Yaser Sheikh

The convolutional sparse model has recently gained increasing attention in the signal and image processing communities, and several methods have been proposed for solving the pursuit problem emerging from it -- in particular its convex…

信息论 · 计算机科学 2017-02-23 Vardan Papyan , Jeremias Sulam , Michael Elad

The celebrated sparse representation model has led to remarkable results in various signal processing tasks in the last decade. However, despite its initial purpose of serving as a global prior for entire signals, it has been commonly used…

信息论 · 计算机科学 2017-02-23 Vardan Papyan , Jeremias Sulam , Michael Elad

The most widely used form of convolutional sparse coding uses an $\ell_1$ regularization term. While this approach has been successful in a variety of applications, a limitation of the $\ell_1$ penalty is that it is homogeneous across the…

计算机视觉与模式识别 · 计算机科学 2017-11-09 Brendt Wohlberg

Despite recent advancements in semantic segmentation, where and what pixels are hard to segment remains largely unexplored. Existing research only separates an image into easy and hard regions and empirically observes the latter are…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Linwei Chen , Lin Gu , Ying Fu

Recent empirical work has shown that hierarchical convolutional kernels inspired by convolutional neural networks (CNNs) significantly improve the performance of kernel methods in image classification tasks. A widely accepted explanation…

机器学习 · 统计学 2022-06-06 Theodor Misiakiewicz , Song Mei

Editing animatable human avatars typically relies on sparse supervision, often a few edited keyframes, yet naively fitting a reconstructed avatar to these edits frequently causes identity leakage and pose-dependent temporal flicker. We…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Zhenxiao Liang , Qixing Huang

This paper proposes a practical and efficient solution for computing convolutions using hybrid dealiasing. It offers an alternative to explicit or implicit dealiasing and includes an optimized hyperparameter tuning algorithm that uses…

数值分析 · 数学 2023-06-21 Robert Joseph George , Noel Murasko , John C. Bowman

We introduce Parseval networks, a form of deep neural networks in which the Lipschitz constant of linear, convolutional and aggregation layers is constrained to be smaller than 1. Parseval networks are empirically and theoretically…

机器学习 · 统计学 2017-08-08 Moustapha Cisse , Piotr Bojanowski , Edouard Grave , Yann Dauphin , Nicolas Usunier

We consider the problem of discretizing evolution operators of linear delay equations with the aim of approximating their spectra, which is useful in investigating the stability properties of (nonlinear) equations via the principle of…

数值分析 · 数学 2026-01-01 Alessia andò , Giusy Bosco , Dimitri Breda , Davide Liessi

Convex clustering, a convex relaxation of k-means clustering and hierarchical clustering, has drawn recent attentions since it nicely addresses the instability issue of traditional nonconvex clustering methods. Although its computational…

统计方法学 · 统计学 2019-01-01 Binhuan Wang , Yilong Zhang , Will Wei Sun , Yixin Fang

We identify and overcome two key obstacles in extending the success of BERT-style pre-training, or the masked image modeling, to convolutional networks (convnets): (i) convolution operation cannot handle irregular, random-masked input…

计算机视觉与模式识别 · 计算机科学 2023-01-11 Keyu Tian , Yi Jiang , Qishuai Diao , Chen Lin , Liwei Wang , Zehuan Yuan

Sparse and convolutional constraints form a natural prior for many optimization problems that arise from physical processes. Detecting motifs in speech and musical passages, super-resolving images, compressing videos, and reconstructing…

计算机视觉与模式识别 · 计算机科学 2014-06-11 Hilton Bristow , Simon Lucey

Numerical integral operators of convolution type form the basis of most wave-equation-based methods for processing and imaging of seismic data. As several of these methods require the solution of an inverse problem, multiple forward and…

地球物理 · 物理学 2020-11-24 Matteo Ravasi , Ivan Vasconcelos