中文
相关论文

相关论文: Automatic feature selection and weighting in molec…

200 篇论文

In this paper we introduce Feature Gradients, a gradient-based search algorithm for feature selection. Our approach extends a recent result on the estimation of learnability in the sublinear data regime by showing that the calculation can…

机器学习 · 统计学 2019-08-29 Rishit Sheth , Nicolo Fusi

Data quality is a significant issue for any application that requests for analytics to support decision making. It becomes very important when we focus on Internet of Things (IoT) where numerous devices can interact to exchange and process…

机器学习 · 计算机科学 2020-07-30 Anna Karanika , Panagiotis Oikonomou , Kostas Kolomvatsos , Christos Anagnostopoulos

Current medical image classification efforts mainly aim for higher average performance, often neglecting the balance between different classes. This can lead to significant differences in recognition accuracy between classes and obvious…

图像与视频处理 · 电气工程与系统科学 2024-06-26 Peng Huang , Shu Hu , Bo Peng , Jiashu Zhang , Xi Wu , Xin Wang

Missing values are pervasive in real-world tabular data and can significantly impair downstream analysis. Imputing them is especially challenging in text-rich tables, where dependencies are implicit, complex, and dispersed across long…

数据库 · 计算机科学 2026-05-12 Soroush Omidvartehrani , Davood Rafiei

Vulnerability detection is crucial to protect software security. Nowadays, deep learning (DL) is the most promising technique to automate this detection task, leveraging its superior ability to extract patterns and representations within…

软件工程 · 计算机科学 2026-02-13 Yuejun Guo , Qiang Hu , Qiang Tang , Yves Le Traon

Feature engineering, a crucial step of machine learning, aims to extract useful features from raw data to improve data quality. In recent years, great efforts have been devoted to Automated Feature Engineering (AutoFE) to replace expensive…

机器学习 · 计算机科学 2022-10-11 Guanghui Zhu , Zhuoer Xu , Xu Guo , Chunfeng Yuan , Yihua Huang

The rapid advancement and widespread adoption of machine learning-driven technologies have underscored the practical and ethical need for creating interpretable artificial intelligence systems. Feature importance, a method that assigns…

机器学习 · 计算机科学 2023-12-07 Nimrod Harel , Uri Obolski , Ran Gilad-Bachrach

Accurate image segmentation remains challenging, particularly in generating sharp, confident boundaries. While modern architectures have advanced the field, many of them still rely on standard loss functions like Cross-Entropy and Dice,…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Adam Dawid Sztamborski , Raül Pérez-Gonzalo , Antonio Agudo

Selecting important features in non-linear or kernel spaces is a difficult challenge in both classification and regression problems. When many of the features are irrelevant, kernel methods such as the support vector machine and kernel…

机器学习 · 统计学 2009-06-25 Genevera I. Allen

Matrix valued data has become increasingly prevalent in many applications. Most of the existing clustering methods for this type of data are tailored to the mean model and do not account for the dependence structure of the features, which…

机器学习 · 统计学 2023-12-07 Inbeom Lee , Siyi Deng , Yang Ning

Information divergence that measures the difference between two nonnegative matrices or tensors has found its use in a variety of machine learning problems. Examples are Nonnegative Matrix/Tensor Factorization, Stochastic Neighbor…

机器学习 · 计算机科学 2014-06-06 Onur Dikmen , Zhirong Yang , Erkki Oja

Biomedical data is filled with continuous real values; these values in the feature set tend to create problems like underfitting, the curse of dimensionality and increase in misclassification rate because of higher variance. In response,…

人工智能 · 计算机科学 2020-04-17 Deepak Singh , Dilip Singh Sisodia , Pradeep Singh

The gradual patterns that model the complex co-variations of attributes of the form "The more/less X, The more/less Y" play a crucial role in many real world applications where the amount of numerical data to manage is important, this is…

机器学习 · 计算机科学 2020-05-25 Michaël Chirmeni Boujike , Jerry Lonlac , Norbert Tsopze , Engelbert Mephu Nguifo

Semantic segmentation of histopathology images under class imbalance is typically addressed through frequency-based loss reweighting, which implicitly assumes that rare classes are difficult. However, true difficulty also arises from…

图像与视频处理 · 电气工程与系统科学 2026-04-16 Lakmali Nadeesha Kumari , Sen-Ching Samson Cheung

Deep embedding learning is expected to learn a metric space in which features have smaller maximal intra-class distance than minimal inter-class distance. In recent years, one research focus is to solve the open-set problem by…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Hao Zhu , Yang Yuan , Guosheng Hu , Xiang Wu , Neil Robertson

Technological advances have enabled the generation of unique and complementary types of data or views (e.g. genomics, proteomics, metabolomics) and opened up a new era in multiview learning research with the potential to lead to new…

机器学习 · 计算机科学 2024-02-19 Hengkang Wang , Han Lu , Ju Sun , Sandra E Safo

Feature selection, which searches for the most representative features in observed data, is critical for health data analysis. Unlike feature extraction, such as PCA and autoencoder based methods, feature selection preserves…

机器学习 · 计算机科学 2018-12-04 Shiyu Liu , Mehul Motani

Importance weighting (IW) is a golden solver for joint distribution shift, where the joint distributions differ between the training and test data. To solve this problem, IW estimates test-to-training density ratios as importance weights…

机器学习 · 计算机科学 2026-05-26 Tongtong Fang , Nan Lu , Gang Niu , Kenji Fukumizu , Masashi Sugiyama

Specific emitter identification (SEI) utilizes passive hardware characteristics to authenticate transmitters, providing a robust physical-layer security solution. However, most deep-learning-based methods rely on extensive data or require…

信号处理 · 电气工程与系统科学 2025-12-19 Chenyu Zhu , Zeyang Li , Ziyi Xie , Jie Zhang

In this study, we present an interpretable deep learning framework for the early detection of breast cancer using quantitative features extracted from digitized fine needle aspirate (FNA) images of breast masses. Our deep neural network,…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Bishal Chhetri , B. V. Rathish Kumar