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Hartshorne developed a theory of generalized divisors on Gorenstein schemes to characterize codimension-one closed subschemes without embedded points. Generalized divisors can be viewed as a generalization of Weil divisors to non-normal…

代数几何 · 数学 2025-10-21 Minghua Dou

Graph embedding provides a feasible methodology to conduct pattern classification for graph-structured data by mapping each data into the vectorial space. Various pioneering works are essentially coding method that concentrates on a…

机器学习 · 计算机科学 2022-10-04 Xue Liu , Dan Sun , Xiaobo Cao , Hao Ye , Wei Wei

The purpose of this report is in examining the generalization performance of Support Vector Machines (SVM) as a tool for pattern recognition and object classification. The work is motivated by the growing popularity of the method that is…

机器学习 · 计算机科学 2014-12-16 Eugene Borovikov

Support Vector Machines (SVMs) are a cornerstone of supervised learning, widely used for data classification. A central component of their success lies in kernel functions, which enable efficient computation of inner products in…

量子物理 · 物理学 2025-09-16 A. Mandilara , A. D. Papadopoulos , D. Syvridis

The gradient scheme framework is based on a small number of properties and encompasses a large number of numerical methods for diffusion models. We recall these properties and develop some new generic tools associated with the gradient…

数值分析 · 数学 2015-11-10 Jerome Droniou , Robert Eymard , Raphaele Herbin

Vector graphics are widely used in graphical designs and have received more and more attention. However, unlike raster images which can be easily obtained, acquiring high-quality vector graphics, typically through automatically converting…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Haokun Zhu , Juang Ian Chong , Teng Hu , Ran Yi , Yu-Kun Lai , Paul L. Rosin

Correlation Filters (CFs) are a class of classifiers which are designed for accurate pattern localization. Traditionally CFs have been used with scalar features only, which limits their ability to be used with vector feature representations…

计算机视觉与模式识别 · 计算机科学 2014-04-25 Vishnu Naresh Boddeti , B. V. K. Vijaya Kumar

Support Vector Machines (SVMs) are a relatively new supervised classification technique to the land cover mapping community. They have their roots in Statistical Learning Theory and have gained prominence because they are robust, accurate…

机器学习 · 计算机科学 2007-09-26 Gidudu Anthony , Hulley Greg , Marwala Tshilidzi

In this paper we propose a high-order accurate scheme for image segmentation based on the level-set method. In this approach, the curve evolution is described as the 0-level set of a representation function but we modify the velocity that…

数值分析 · 数学 2020-01-08 Maurizio Falcone , Giulio Paolucci , Silvia Tozza

Subdivision surfaces provide an elegant isogeometric analysis framework for geometric design and analysis of partial differential equations defined on surfaces. They are already a standard in high-end computer animation and graphics and are…

数值分析 · 数学 2018-06-04 Qiaoling Zhang , Malcolm Sabin , Fehmi Cirak

Multi-view clustering is an important yet challenging task in machine learning and data mining community. One popular strategy for multi-view clustering is matrix factorization which could explore useful feature representations at…

机器学习 · 计算机科学 2021-05-04 Chen Zhang , Siwei Wang , Wenxuan Tu , Pei Zhang , Xinwang Liu , Changwang Zhang , Bo Yuan

Although Support Vector Machine (SVM) algorithm has a high generalization property to classify for unseen examples after training phase and it has small loss value, the algorithm is not suitable for real-life classification and regression…

机器学习 · 计算机科学 2013-12-17 Ferhat Özgür Çatak , Mehmet Erdal Balaban

In this work we explore how the architecture proposed in [8], which expresses the processing steps of the classical Fisher vector pipeline approaches, i.e. dimensionality reduction by principal component analysis (PCA) projection, Gaussian…

计算机视觉与模式识别 · 计算机科学 2018-01-16 Petar Palasek , Ioannis Patras

The article develops a hybrid Variational Bayes algorithm that combines the mean-field and fixed-form Variational Bayes methods. The new estimation algorithm can be used to approximate any posterior without relying on conjugate priors. We…

统计方法学 · 统计学 2013-08-09 David J Nott , Minh-Ngoc Tran , Anthony Y. C. Kuk , Robert Kohn

In this paper, a level-wise mixture model (LMM) is developed by embedding visual hierarchy with deep networks to support large-scale visual recognition (i.e., recognizing thousands or even tens of thousands of object classes), and a…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Tianyi Zhao , Baopeng Zhang , Wei Zhang , Ning Zhou , Jun Yu , Jianping Fan

Fine-grained visual categorization (FGVC) is to categorize objects into subordinate classes instead of basic classes. One major challenge in FGVC is the co-occurrence of two issues: 1) many subordinate classes are highly correlated and are…

计算机视觉与模式识别 · 计算机科学 2015-06-05 Qi Qian , Rong Jin , Shenghuo Zhu , Yuanqing Lin

Support Vector Machines (SVM) have gathered significant acclaim as classifiers due to their successful implementation of Statistical Learning Theory. However, in the context of multiclass and multilabel settings, the reliance on…

机器学习 · 计算机科学 2023-07-19 Sambhav Jain Reshma Rastogi

The support vector machine (SVM) is a well-established classification method whose name refers to the particular training examples, called support vectors, that determine the maximum margin separating hyperplane. The SVM classifier is known…

统计理论 · 数学 2022-06-15 Daniel Hsu , Vidya Muthukumar , Ji Xu

We generalize a graph-based multiclass semi-supervised classification technique based on diffuse interface methods to multilayer graphs. Besides the treatment of various applications with an inherent multilayer structure, we present a very…

机器学习 · 计算机科学 2022-03-24 Kai Bergermann , Martin Stoll , Toni Volkmer

Graph embedding is a transformation of vertices of a graph into set of vectors. Good embeddings should capture the graph topology, vertex-to-vertex relationship, and other relevant information about graphs, subgraphs, and vertices. If these…

社会与信息网络 · 计算机科学 2021-02-17 Bogumil Kaminski , Pawel Pralat , Francois Theberge