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Finite differences, finite elements, and their generalizations are widely used for solving partial differential equations, and their high-order variants have respective advantages and disadvantages. Traditionally, these methods are treated…

数值分析 · 数学 2020-01-22 Rebecca Conley , Xiangmin Jiao , Tristan J. Delaney

The pretraining-finetuning paradigm has gained widespread adoption in vision tasks and other fields, yet it faces the significant challenge of high sample annotation costs. To mitigate this, the concept of active finetuning has emerged,…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Han Lu , Yichen Xie , Xiaokang Yang , Junchi Yan

Face image quality is an important factor to enable high performance face recognition systems. Face quality assessment aims at estimating the suitability of a face image for recognition. Previous work proposed supervised solutions that…

计算机视觉与模式识别 · 计算机科学 2020-03-23 Philipp Terhörst , Jan Niklas Kolf , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

Aspect level sentiment classification (ALSC) is a difficult problem with state-of-the-art models showing less than 80% macro-F1 score on benchmark datasets. Existing models do not incorporate information on aspect-aspect relations in…

计算与语言 · 计算机科学 2022-02-15 Sk Mainul Islam , Sourangshu Bhattacharya

Effectively analyzing online review data is essential across industries. However, many existing studies are limited to specific domains and languages or depend on supervised learning approaches that require large-scale labeled datasets. To…

计算与语言 · 计算机科学 2026-01-13 Jiin Park , Misuk Kim

Forecast combinations have been widely applied in the last few decades to improve forecasting. Estimating optimal weights that can outperform simple averages is not always an easy task. In recent years, the idea of using time series…

统计方法学 · 统计学 2021-10-22 Yanfei Kang , Wei Cao , Fotios Petropoulos , Feng Li

Aspect-based meeting transcript summarization aims to produce multiple summaries, each focusing on one aspect of content in a meeting transcript. It is challenging as sentences related to different aspects can mingle together, and those…

The problem of face alignment has been intensively studied in the past years. A large number of novel methods have been proposed and reported very good performance on benchmark dataset such as 300W. However, the differences in the…

计算机视觉与模式识别 · 计算机科学 2015-11-17 Heng Yang , Xuhui Jia , Chen Change Loy , Peter Robinson

Redescription mining is a field of knowledge discovery that aims at finding different descriptions of similar subsets of instances in the data. These descriptions are represented as rules inferred from one or more disjoint sets of…

人工智能 · 计算机科学 2016-12-20 Matej Mihelčić , Sašo Džeroski , Nada Lavrač , Tomislav Šmuc

The present research scholars are having keen interest in doing their research activities in the area of Data mining all over the world. Especially, [13]Mining Image data is the one of the essential features in this present scenario since…

计算机视觉与模式识别 · 计算机科学 2010-12-02 A. Kannan , V. Mohan , N. Anbazhagan

We define a method to modularize crosscutting concerns in Component-Based Systems (CBSs) expressed using the Behavior Interaction Priority (BIP) framework. Our method is inspired from the Aspect Oriented Programming (AOP) paradigm which was…

软件工程 · 计算机科学 2018-05-23 Antoine El-Hokayem , Yliès Falcone , Mohamad Jaber

Aspect based sentiment analysis (ABSA) involves three fundamental subtasks: aspect term extraction, opinion term extraction, and aspect-level sentiment classification. Early works only focused on solving one of these subtasks individually.…

计算与语言 · 计算机科学 2021-04-08 Yue Mao , Yi Shen , Chao Yu , Longjun Cai

In aspect-based sentiment analysis, most existing methods either focus on aspect/opinion terms extraction or aspect terms categorization. However, each task by itself only provides partial information to end users. To generate more detailed…

计算与语言 · 计算机科学 2017-07-03 Wenya Wang , Sinno Jialin Pan , Daniel Dahlmeier

Video co-segmentation refers to the task of jointly segmenting common objects appearing in a given group of videos. In practice, high-dimensional data such as videos can be conceptually thought as being drawn from a union of subspaces…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Junlin Yao , Frank Nielsen

The convergence analysis for least-squares finite element methods led to various adaptive mesh-refinement strategies: Collective marking algorithms driven by the built-in a posteriori error estimator or an alternative explicit…

数值分析 · 数学 2023-09-18 Philipp Bringmann

We introduce a novel framework for multiway point cloud mosaicking (named Wednesday), designed to co-align sets of partially overlapping point clouds -- typically obtained from 3D scanners or moving RGB-D cameras -- into a unified…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Shengze Jin , Iro Armeni , Marc Pollefeys , Daniel Barath

Subsequence matching has appeared to be an ideal approach for solving many problems related to the fields of data mining and similarity retrieval. It has been shown that almost any data class (audio, image, biometrics, signals) is or can be…

多媒体 · 计算机科学 2012-06-13 David Novak , Petr Volny , Pavel Zezula

Point cloud coding solutions have been recently standardized to address the needs of multiple application scenarios. The design and assessment of point cloud coding methods require reliable objective quality metrics to evaluate the level of…

图像与视频处理 · 电气工程与系统科学 2021-08-06 Alireza Javaheri , Catarina Brites , Fernando Pereira , João Ascenso

Recently, adversarial attack methods have been developed to challenge the robustness of machine learning models. However, mainstream evaluation criteria experience limitations, even yielding discrepancies among results under different…

机器学习 · 计算机科学 2021-04-23 Jing Wu , Mingyi Zhou , Ce Zhu , Yipeng Liu , Mehrtash Harandi , Li Li

We present a preference learning framework for multiple criteria sorting. We consider sorting procedures applying an additive value model with diverse types of marginal value functions (including linear, piecewise-linear, splined, and…

机器学习 · 计算机科学 2019-10-15 Jiapeng Liu , Milosz Kadzinski , Xiuwu Liao , Xiaoxin Mao , Yao Wang