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Face anti-spoofing (FAS) plays a vital role in securing face recognition systems. Existing methods heavily rely on the expert-designed networks, which may lead to a sub-optimal solution for FAS task. Here we propose the first FAS method…

计算机视觉与模式识别 · 计算机科学 2020-11-05 Zitong Yu , Jun Wan , Yunxiao Qin , Xiaobai Li , Stan Z. Li , Guoying Zhao

Let us assume that $f$ is a continuous function defined on the unit ball of $\mathbb R^d$, of the form $f(x) = g (A x)$, where $A$ is a $k \times d$ matrix and $g$ is a function of $k$ variables for $k \ll d$. We are given a budget $m \in…

数值分析 · 数学 2012-01-18 Massimo Fornasier , Karin Schnass , Jan Vybiral

Neural Architecture Search (NAS) methods, which automatically learn entire neural model or individual neural cell architectures, have recently achieved competitive or state-of-the-art (SOTA) performance on variety of natural language…

计算与语言 · 计算机科学 2020-10-12 Ansel MacLaughlin , Jwala Dhamala , Anoop Kumar , Sriram Venkatapathy , Ragav Venkatesan , Rahul Gupta

Data-driven methods have made great progress in fault diagnosis, especially deep learning method. Deep learning is suitable for processing big data, and has a strong feature extraction ability to realize end-to-end fault diagnosis systems.…

机器学习 · 计算机科学 2020-02-20 Xudong Li , Yang Hu , Jianhua Zheng , Mingtao Li

We consider mappings, which are structure consisting of a single function (and possibly some number of unary relations) and address the problem of approximating a continuous mapping by a finite mapping. This problem is the inverse problem…

组合数学 · 数学 2018-05-15 Jaroslav Nesetril , Patrice Ossona de Mendez

We study the classical scheduling problem on parallel machines %with precedence constraints where the precedence graph has the bounded depth $h$. Our goal is to minimize the maximum completion time. We focus on developing approximation…

数据结构与算法 · 计算机科学 2023-02-02 Bin Fu , Yumei Huo , Hairong Zhao

A central problem in machine learning is often formulated as follows: Given a dataset $\{(x_j, y_j)\}_{j=1}^M$, which is a sample drawn from an unknown probability distribution, the goal is to construct a functional model $f$ such that…

机器学习 · 计算机科学 2026-03-05 Hrushikesh N. Mhaskar , Efstratios Tsoukanis , Ameya D. Jagtap

Neural architecture search (NAS) has become increasingly popular in the deep learning community recently, mainly because it can provide an opportunity to allow interested users without rich expertise to benefit from the success of deep…

机器学习 · 计算机科学 2022-10-25 Shiqing Liu , Haoyu Zhang , Yaochu Jin

Neural architecture search (NAS) algorithms save tremendous labor from human experts. Recent advancements further reduce the computational overhead to an affordable level. However, it is still cumbersome to deploy the NAS techniques in…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Zhuowei Li , Yibo Gao , Zhenzhou Zha , Zhiqiang HU , Qing Xia , Shaoting Zhang , Dimitris N. Metaxas

Fixpoints are ubiquitous in computer science and when dealing with quantitative semantics and verification one often considers least fixpoints of (higher-dimensional) functions over the non-negative reals. We show how to approximate the…

计算机科学中的逻辑 · 计算机科学 2025-06-16 Paolo Baldan , Sebastian Gurke , Barbara König , Tommaso Padoan , Florian Wittbold

Answer set programming (ASP) is a logic programming formalism used in various areas of artificial intelligence like combinatorial problem solving and knowledge representation and reasoning. It is known that enhancing ASP with function…

人工智能 · 计算机科学 2025-09-24 Lukas Gerlach , David Carral , Markus Hecher

Recent advances in neural architecture search (NAS) demand tremendous computational resources, which makes it difficult to reproduce experiments and imposes a barrier-to-entry to researchers without access to large-scale computation. We aim…

机器学习 · 计算机科学 2019-05-15 Chris Ying , Aaron Klein , Esteban Real , Eric Christiansen , Kevin Murphy , Frank Hutter

Neural architecture search (NAS) is an attractive approach to automate the design of optimized architectures but is constrained by high computational budget, especially when optimizing for multiple, important conflicting objectives. To…

机器学习 · 计算机科学 2025-09-03 Zhao Wei , Chin Chun Ooi , Yew-Soon Ong

Neural Architecture Search (NAS) methods have been shown to outperform hand-designed models and help to democratize AI. However, NAS methods often start from scratch with each new task, making them computationally expensive and limiting…

机器学习 · 计算机科学 2025-07-15 Prabhant Singh , Joaquin Vanschoren

To preserve user privacy while enabling mobile intelligence, techniques have been proposed to train deep neural networks on decentralized data. However, training over decentralized data makes the design of neural architecture quite…

机器学习 · 计算机科学 2022-07-07 Jinliang Yuan , Mengwei Xu , Yuxin Zhao , Kaigui Bian , Gang Huang , Xuanzhe Liu , Shangguang Wang

MAP is the problem of finding a most probable instantiation of a set of variables in a Bayesian network given some evidence. Unlike computing posterior probabilities, or MPE (a special case of MAP), the time and space complexity of…

人工智能 · 计算机科学 2012-12-12 James D. Park , Adnan Darwiche

With the growing integration of structured and unstructured data, new methods have emerged for performing similarity searches on vectors while honoring structured attribute constraints, i.e., a process known as Filtering Approximate Nearest…

数据库 · 计算机科学 2025-09-23 Mocheng Li , Xiao Yan , Baotong Lu , Yue Zhang , James Cheng , Chenhao Ma

The key challenge in neural architecture search (NAS) is designing how to explore wisely in the huge search space. We propose a new NAS method called TNAS (NAS with trees), which improves search efficiency by exploring only a small number…

人工智能 · 计算机科学 2022-04-12 Guocheng Qian , Xuanyang Zhang , Guohao Li , Chen Zhao , Yukang Chen , Xiangyu Zhang , Bernard Ghanem , Jian Sun

Hardness of approximation (HA) -- the phenomenon that, assuming P $\neq$ NP, one can easily compute an $\epsilon$-approximation to the solution of a discrete computational problem for $\epsilon > \epsilon_0 > 0$, but for $\epsilon <…

最优化与控制 · 数学 2023-01-04 Luca Eva Gazdag , Anders C. Hansen

Neural architecture search (NAS) is a recent methodology for automating the design of neural network architectures. Differentiable neural architecture search (DARTS) is a promising NAS approach that dramatically increases search efficiency.…

机器学习 · 计算机科学 2021-04-22 Erik Bodin , Federico Tomasi , Zhenwen Dai