English
Related papers

Related papers: Contextual Feature Selection with Conditional Stoc…

200 papers

Feature selection is important in data representation and intelligent diagnosis. Elastic net is one of the most widely used feature selectors. However, the features selected are dependant on the training data, and their weights dedicated…

Machine Learning · Computer Science 2021-01-01 Shaode Yu , Haobo Chen , Hang Yu , Zhicheng Zhang , Xiaokun Liang , Wenjian Qin , Yaoqin Xie , Ping Shi

This paper proposes a method for measuring conditional feature importance via generative modeling. In explainable artificial intelligence (XAI), conditional feature importance assesses the impact of a feature on a prediction model's…

Machine Learning · Statistics 2025-01-22 Kristin Blesch , Niklas Koenen , Jan Kapar , Pegah Golchian , Lukas Burk , Markus Loecher , Marvin N. Wright

Sketch semantic segmentation is a well-explored and pivotal problem in computer vision involving the assignment of pre-defined part labels to individual strokes. This paper presents ContextSeg - a simple yet highly effective approach to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Jiawei Wang , Changjian Li

Local structure such as context-specific independence (CSI) has received much attention in the probabilistic graphical model (PGM) literature, as it facilitates the modeling of large complex systems, as well as for reasoning with them. In…

Artificial Intelligence · Computer Science 2020-06-15 Yujia Shen , Arthur Choi , Adnan Darwiche

Home entertainment systems feature in a variety of usage scenarios with one or more simultaneous users, for whom the complexity of choosing media to consume has increased rapidly over the last decade. Users' decision processes are complex…

Information Retrieval · Computer Science 2019-10-01 Miklas S. Kristoffersen , Sven E. Shepstone , Zheng-Hua Tan

Log-linear models are the popular workhorses of analyzing contingency tables. A log-linear parameterization of an interaction model can be more expressive than a direct parameterization based on probabilities, leading to a powerful way of…

Machine Learning · Statistics 2015-08-06 Henrik Nyman , Johan Pensar , Timo Koski , Jukka Corander

This document introduces basics in data preparation, feature selection and learning basics for high energy physics tasks. The emphasis is on feature selection by principal component analysis, information gain and significance measures for…

Data Analysis, Statistics and Probability · Physics 2008-03-18 Anselm Vossen

Context of data points, which is usually defined as the other data points in a data set, has been found to play important roles in data representation and classification. In this paper, we study the problem of using context of a data point…

Machine Learning · Computer Science 2015-08-19 Xuejie Liu , Jingbin Wang , Ming Yin , Benjamin Edwards , Peijuan Xu

A context-aware recommender system (CARS) applies sensing and analysis of user context to provide personalized services. The contextual information can be driven from sensors in order to improve the accuracy of the recommendations. Yet,…

Machine Learning · Computer Science 2022-08-10 Amit Livne , Eliad Shem Tov , Adir Solomon , Achiya Elyasaf , Bracha Shapira , Lior Rokach

Statistical analysis of social networks provides valuable insights into complex network interactions across various scientific disciplines. However, accurate modeling of networks remains challenging due to the heavy computational burden and…

Social and Information Networks · Computer Science 2023-07-25 Helal El-Zaatari , Fei Yu , Michael R Kosorok

Contextual information provides important cues for disambiguating visually similar pixels in scene segmentation. In this paper, we introduce a neuron-level Selective Context Aggregation (SCA) module for scene segmentation, comprised of a…

Computer Vision and Pattern Recognition · Computer Science 2017-11-23 Zhenhua Wang , Fanglin Gu , Dani Lischinski , Daniel Cohen-Or , Changhe Tu , Baoquan Chen

In this paper, we introduce a novel unsupervised, graph-based filter feature selection technique which exploits the power of topologically constrained network representations. We model dependency structures among features using a family of…

Machine Learning · Computer Science 2023-07-04 Antonio Briola , Tomaso Aste

Spatio-temporal video grounding (or STVG) task aims at locating a spatio-temporal tube for a specific instance given a text query. Despite advancements, current methods easily suffer the distractors or heavy object appearance variations in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Xin Gu , Heng Fan , Yan Huang , Tiejian Luo , Libo Zhang

Learning personalization has proven its effectiveness in enhancing learner performance. Therefore, modern digital learning platforms have been increasingly depending on recommendation systems to offer learners personalized suggestions of…

Human-Computer Interaction · Computer Science 2023-12-19 Hasan Abu-Rasheed , Christian Weber , Madjid Fathi

Camera-based 3D semantic scene completion (SSC) is pivotal for predicting complicated 3D layouts with limited 2D image observations. The existing mainstream solutions generally leverage temporal information by roughly stacking history…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Bohan Li , Jiajun Deng , Wenyao Zhang , Zhujin Liang , Dalong Du , Xin Jin , Wenjun Zeng

An important task for the design of Question Answering systems is the selection of the sentence containing (or constituting) the answer from documents relevant to the asked question. Most previous work has only used the target sentence to…

Computation and Language · Computer Science 2020-06-03 Ivano Lauriola , Alessandro Moschitti

Real-life statistical samples are often plagued by selection bias, which complicates drawing conclusions about the general population. When learning causal relationships between the variables is of interest, the sample may be assumed to be…

Statistics Theory · Mathematics 2018-11-15 Angelos P. Armen , Robin J. Evans

Hyperparameters play a critical role in machine learning. Hyperparameter tuning can make the difference between state-of-the-art and poor prediction performance for any algorithm, but it is particularly challenging for structure learning…

Machine Learning · Computer Science 2024-02-21 Damian Machlanski , Spyridon Samothrakis , Paul Clarke

The existing image feature extraction methods are primarily based on the content and structure information of images, and rarely consider the contextual semantic information. Regarding some types of images such as scenes and objects, the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Chiranjibi Sitaula , Yong Xiang , Anish Basnet , Sunil Aryal , Xuequan Lu

The impressive performance of neural networks on natural language processing tasks attributes to their ability to model complicated word and phrase compositions. To explain how the model handles semantic compositions, we study hierarchical…

Computation and Language · Computer Science 2020-06-16 Xisen Jin , Zhongyu Wei , Junyi Du , Xiangyang Xue , Xiang Ren