中文
相关论文

相关论文: Using Centroidal Voronoi Tessellations to Scale Up…

200 篇论文

We propose a multiscale method for elliptic problems on complex domains, e.g. domains with cracks or complicated boundary. For local singularities this paper also offers a discrete alternative to enrichment techniques such as XFEM. We…

数值分析 · 数学 2016-11-01 Daniel Elfverson , Mats G. Larson , Axel Målqvist

Deep convolutional neural networks (ConvNets) of 3-dimensional kernels allow joint modeling of spatiotemporal features. These networks have improved performance of video and volumetric image analysis, but have been limited in size due to…

计算机视觉与模式识别 · 计算机科学 2017-06-13 David Budden , Alexander Matveev , Shibani Santurkar , Shraman Ray Chaudhuri , Nir Shavit

Several works have demonstrated the use of variational autoencoders (VAEs) for generating levels in the style of existing games and blending levels across different games. Further, quality-diversity (QD) algorithms have also become popular…

机器学习 · 计算机科学 2021-07-23 Anurag Sarkar , Seth Cooper

Convolution Neural Networks (CNN) have performed well in many applications such as object detection, pattern recognition, video surveillance and so on. CNN carryout feature extraction on labelled data to perform classification. Multi-label…

机器学习 · 计算机科学 2021-01-28 Tolulope A. Odetola , Ogheneuriri Oderhohwo , Syed Rafay Hasan

Robotic and animal mapping systems share many of the same objectives and challenges, but differ in one key aspect: where much of the research in robotic mapping has focused on solving the data association problem, the grid cell neurons…

计算机视觉与模式识别 · 计算机科学 2018-10-24 Huu Le , Michael Milford

Despite the growing success of Convolution neural networks (CNN) in the recent past in the task of scene segmentation, the standard models lack some of the important features that might result in sub-optimal segmentation outputs. The widely…

计算机视觉与模式识别 · 计算机科学 2020-09-16 Soham Chattopadhyay , Hritam Basak

We present VMap, a map-like rectangular space-filling visualization, to perform vertex-centric graph exploration. Existing visualizations have limited support for quality optimization among rectangular aspect ratios, vertex-edge…

图形学 · 计算机科学 2023-06-02 Jiayi Xu , Han-Wei Shen

We introduce "TriMap"; a dimensionality reduction technique based on triplet constraints, which preserves the global structure of the data better than the other commonly used methods such as t-SNE, LargeVis, and UMAP. To quantify the global…

机器学习 · 计算机科学 2022-03-29 Ehsan Amid , Manfred K. Warmuth

Early advancements in convolutional neural networks (CNNs) architectures are primarily driven by human expertise and by elaborate design processes. Recently, neural architecture search was proposed with the aim of automating the network…

计算机视觉与模式识别 · 计算机科学 2020-09-16 Zhichao Lu , Ian Whalen , Yashesh Dhebar , Kalyanmoy Deb , Erik Goodman , Wolfgang Banzhaf , Vishnu Naresh Boddeti

We present VoroUDF, an algorithm for reconstructing high-quality triangle meshes from Unsigned Distance Fields (UDFs). Our algorithm supports non-manifold geometry, sharp features, and open boundaries, without relying on error-prone…

图形学 · 计算机科学 2026-02-06 Ningna Wang , Zilong Wang , Xiana Carrera , Xiaohu Guo , Silvia Sellán

The widespread use of multisensor technology and the emergence of big datasets have created the need to develop tools to reduce, approximate, and classify large and multimodal data such as higher-order tensors. While early approaches…

数值分析 · 计算机科学 2018-07-03 Alp Ozdemir , Ali Zare , Mark A. Iwen , Selin Aviyente

Optimizing a set of functions simultaneously by leveraging their similarity is called multi-task optimization. Current black-box multi-task algorithms only solve a finite set of tasks, even when the tasks originate from a continuous space.…

神经与进化计算 · 计算机科学 2024-04-05 Timothée Anne , Jean-Baptiste Mouret

When addressing the challenge of complex multi-objective optimization problems, particularly those with non-convex and non-uniform Pareto fronts, Decomposition-based Multi-Objective Evolutionary Algorithms (MOEADs) often converge to local…

神经与进化计算 · 计算机科学 2024-04-15 Ting Dong , Haoxin Wang , Hengxi Zhang , Wenbo Ding

One of the main challenges since the advancement of convolutional neural networks is how to connect the extracted feature map to the final classification layer. VGG models used two sets of fully connected layers for the classification part…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Mohammad Rahimzadeh , AmirAli Askari , Soroush Parvin , Elnaz Safi , Mohammad Reza Mohammadi

Feature pyramid has been an efficient method to extract features at different scales. Development over this method mainly focuses on aggregating contextual information at different levels while seldom touching the inter-level correlation in…

计算机视觉与模式识别 · 计算机科学 2020-05-08 Xinjiang Wang , Shilong Zhang , Zhuoran Yu , Litong Feng , Wayne Zhang

This paper presents the Voronoi diagram-based evolutionary algorithm (VorEAl). VorEAl partitions input space in abnormal/normal subsets using Voronoi diagrams. Diagrams are evolved using a multi-objective bio-inspired approach in order to…

人工智能 · 计算机科学 2016-10-28 Marti Luis , Fansi-Tchango Arsene , Navarro Laurent , Marc Schoenauer

Anomaly detection aims to identify data instances that deviate significantly from majority of data, which has been widely used in fraud detection, network security, and industrial quality control. Existing methods struggle with datasets…

机器学习 · 计算机科学 2026-01-29 Yang Cao , Sikun Yang , Xuyun Zhang , Yujiu Yang

To solve large-scale or high-resolution topology optimization problem, a novel algorithm is developed based on modified bi-directional evolutionary structure optimization (BESO) and extended finite element method (XFEM). Within XFEM, a set…

应用物理 · 物理学 2026-04-07 Hongxin Wang , Jie Liu , Guilin Wen

Multi-objective optimization (MOO) exists extensively in machine learning, and aims to find a set of Pareto-optimal solutions, called the Pareto front, e.g., it is fundamental for multiple avenues of research in federated learning (FL).…

机器学习 · 计算机科学 2025-05-28 Mengmeng Chen , Xiaohu Wu , Qiqi Liu , Tiantian He , Yew-Soon Ong , Yaochu Jin , Qicheng Lao , Han Yu

Quality Diversity (QD) has emerged as a powerful alternative optimization paradigm that aims at generating large and diverse collections of solutions, notably with its flagship algorithm MAP-ELITES (ME) which evolves solutions through…

神经与进化计算 · 计算机科学 2023-06-16 Thomas Pierrot , Arthur Flajolet