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Text Classification is a challenging and a red hot field in the current scenario and has great importance in text categorization applications. A lot of research work has been done in this field but there is a need to categorize a collection…

信息检索 · 计算机科学 2012-04-11 Shalini Puri

Factorizable joint shift (FJS) was recently proposed as a type of dataset shift for which the complete characteristics can be estimated from feature data observations on the test dataset by a method called Joint Importance Aligning. For the…

机器学习 · 统计学 2022-09-19 Dirk Tasche

How to accurately measure the relevance and redundancy of features is an age-old challenge in the field of feature selection. However, existing filter-based feature selection methods cannot directly measure redundancy for continuous data.…

机器学习 · 计算机科学 2023-07-31 Haitao Nie , Shengbo Zhang , Bin Xie

Feature selection and reducing the dimensionality of data is an essential step in data analysis. In this work, we propose a new criterion for feature selection that is formulated as conditional information between features given the labeled…

机器学习 · 统计学 2019-05-20 Salimeh Yasaei Sekeh , Alfred O. Hero

Text classification is a fundamental problem in the field of natural language processing. Text classification mainly focuses on giving more importance to all the relevant features that help classify the textual data. Apart from these, the…

计算与语言 · 计算机科学 2021-01-25 Suman Dowlagar , Radhika Mamidi

The automatic summarization of multimedia sources is an important task that facilitates the understanding of an individual by condensing the source while maintaining relevant information. In this paper we focus on audio summarization based…

计算与语言 · 计算机科学 2020-04-03 Carlos-Emiliano González-Gallardo , Romain Deveaud , Eric SanJuan , Juan-Manuel Torres-Moreno

Feature selection has drawn much attention over the last decades in machine learning because it can reduce data dimensionality while maintaining the original physical meaning of features, which enables better interpretability than feature…

机器学习 · 计算机科学 2022-09-27 Yiwen Liao , Jochen Rivoir , Raphaël Latty , Bin Yang

Extracting appropriate features to represent a corpus is an important task for textual mining. Previous attention based work usually enhance feature at the lexical level, which lacks the exploration of feature augmentation at the sentence…

计算与语言 · 计算机科学 2018-12-14 Longxuan Ma , Pengfei Wang , Lei Zhang

Text Categorization is traditionally done by using the term frequency and inverse document frequency.This type of method is not very good because, some words which are not so important may appear in the document .The term frequency of…

信息检索 · 计算机科学 2016-11-25 Srikanth Bethu , G Charless Babu , J Vinoda , E Priyadarshini , M Raghavendra rao

Scene text detection is a challenging problem in computer vision. In this paper, we propose a novel text detection network based on prevalent object detection frameworks. In order to obtain stronger semantic feature, we adopt ResNet as…

计算机视觉与模式识别 · 计算机科学 2017-11-15 Xiangyu Zhu , Yingying Jiang , Shuli Yang , Xiaobing Wang , Wei Li , Pei Fu , Hua Wang , Zhenbo Luo

In recent years, feature selection has become a challenging problem in several machine learning fields, such as classification problems. Support Vector Machine (SVM) is a well-known technique applied in classification tasks. Various…

机器学习 · 计算机科学 2021-01-18 Asunción Jiménez-Cordero , Juan Miguel Morales , Salvador Pineda

Segmentation refinement aims to enhance the initial coarse masks generated by segmentation algorithms. The refined masks are expected to capture more details and better contours of the target objects. Research on segmentation refinement has…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Seonghyeon Moon , Qingze , Liu , Haein Kong , Muhammad Haris Khan

Natural scene text detection is a significant challenge in computer vision, with tremendous potential applications in multilingual, diverse, and complex text scenarios. We propose a multilingual text detection model to address the issues of…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Tao Wang

Feature selection is crucial for pinpointing relevant features in high-dimensional datasets, mitigating the 'curse of dimensionality,' and enhancing machine learning performance. Traditional feature selection methods for classification use…

机器学习 · 计算机科学 2025-04-08 Rittwika Kansabanik , Adrian Barbu

Channel pruning is widely used to reduce the complexity of deep network models. Recent pruning methods usually identify which parts of the network to discard by proposing a channel importance criterion. However, recent studies have shown…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Yuanzhi Duan , Yue Zhou , Peng He , Qiang Liu , Shukai Duan , Xiaofang Hu

High-dimensional clustering analysis is a challenging problem in statistics and machine learning, with broad applications such as the analysis of microarray data and RNA-seq data. In this paper, we propose a new clustering procedure called…

统计方法学 · 统计学 2022-10-31 Tianqi Liu , Yu Lu , Biqing Zhu , Hongyu Zhao

Text document classification is an important task for diverse natural language processing based applications. Traditional machine learning approaches mainly focused on reducing dimensionality of textual data to perform classification. This…

Feature Selection is a crucial procedure in Data Science tasks such as Classification, since it identifies the relevant variables, making thus the classification procedures more interpretable, cheaper in terms of measurement and more…

机器学习 · 统计学 2024-01-17 Sandra Benítez-Peña , Rafael Blanquero , Emilio Carrizosa , Pepa Ramírez-Cobo

In early years, text classification is typically accomplished by feature-based machine learning models; recently, deep neural networks, as a powerful learning machine, make it possible to work with raw input as the text stands. However,…

信息检索 · 计算机科学 2018-07-09 Xianggen Liu , Lili Mou , Haotian Cui , Zhengdong Lu , Sen Song

Group max-min fairness (MMF) is commonly used in fairness-aware recommender systems (RS) as an optimization objective, as it aims to protect marginalized item groups and ensures a fair competition platform. However, our theoretical analysis…

信息检索 · 计算机科学 2025-02-14 Chen Xu , Yuxin Li , Wenjie Wang , Liang Pang , Jun Xu , Tat-Seng Chua