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In this paper, we propose a novel method for projecting data from multiple modalities to a new subspace optimized for one-class classification. The proposed method iteratively transforms the data from the original feature space of each…

Machine Learning · Computer Science 2020-09-15 Fahad Sohrab , Jenni Raitoharju , Alexandros Iosifidis , Moncef Gabbouj

Several approaches have been proposed in the literature for clustering multivariate ordinal data. These methods typically treat missing values as absent information, rather than recognizing them as valuable for profiling population…

Methodology · Statistics 2024-11-05 Alice Giampino , Antonio Canale , Bernardo Nipoti

Genomics data such as RNA gene expression, methylation and micro RNA expression are valuable sources of information for various clinical predictive tasks. For example, predicting survival outcomes, cancer histology type and other patients'…

Genomics · Quantitative Biology 2022-05-26 Sophie Peacock , Etai Jacob , Nikolay Burlutskiy

The classification of medical images is a pivotal aspect of disease diagnosis, often enhanced by deep learning techniques. However, traditional approaches typically focus on unimodal medical image data, neglecting the integration of diverse…

Image and Video Processing · Electrical Eng. & Systems 2025-11-11 Jun-En Ding , Chien-Chin Hsu , Chi-Hsiang Chu , Shuqiang Wang , Feng Liu

Single-cell trajectory analysis aims to reconstruct the biological developmental processes of cells as they evolve over time, leveraging temporal correlations in gene expression. During cellular development, gene expression patterns…

Applications · Statistics 2026-03-30 Junhao Zhu , Kevin Zhang , Zhaolei Zhang , Dehan Kong

Feature selection techniques are essential for high-dimensional data analysis. In the last two decades, their popularity has been fuelled by the increasing availability of high-throughput biomolecular data where high-dimensionality is a…

Quantitative Methods · Quantitative Biology 2024-01-18 Pengyi Yang , Hao Huang , Chunlei Liu

Missing data is a common problem in machine learning and in retrospective imaging research it is often encountered in the form of missing imaging modalities. We propose to take into account missing modalities in the design and training of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-26 Karin van Garderen , Marion Smits , Stefan Klein

We propose a unified cross-domain transfer learning framework that leverages knowledge from multiple heterogeneous medical imaging datasets to improve performance across segmentation, classification, and object detection tasks. Our approach…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Ceausescu Ciprian-Mihai , Anghelina Ion-Marian , Alexe Dumitru-Bogdan

Addressing missing modalities presents a critical challenge in multimodal learning. Current approaches focus on developing models that can handle modality-incomplete inputs during inference, assuming that the full set of modalities are…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Yunpeng Zhao , Cheng Chen , Qing You Pang , Quanzheng Li , Carol Tang , Beng-Ti Ang , Yueming Jin

In randomized controlled trials, adjusting for baseline covariates is often applied to improve the precision of treatment effect estimation. However, missingness in covariates is common. Recently, Zhao & Ding (2022) studied two simple…

Methodology · Statistics 2024-08-28 Yilin Song , James P. Hughes , Ting Ye

We here present SIMLR (Single-cell Interpretation via Multi-kernel LeaRning), an open-source tool that implements a novel framework to learn a sample-to-sample similarity measure from expression data observed for heterogenous samples. SIMLR…

Genomics · Quantitative Biology 2018-01-22 Bo Wang , Daniele Ramazzotti , Luca De Sano , Junjie Zhu , Emma Pierson , Serafim Batzoglou

Feature and instance co-selection, which aims to reduce both feature dimensionality and sample size by identifying the most informative features and instances, has attracted considerable attention in recent years. However, when dealing with…

Machine Learning · Computer Science 2025-12-18 Yuxin Cai , Yanyong Huang , Jinyuan Chang , Dongjie Wang , Tianrui Li , Xiaoyi Jiang

Unsupervised models can provide supplementary soft constraints to help classify new, "target" data since similar instances in the target set are more likely to share the same class label. Such models can also help detect possible…

Machine Learning · Computer Science 2012-06-06 Ayan Acharya , Eduardo R. Hruschka , Joydeep Ghosh , Sreangsu Acharyya

Federated learning (FL) has become a promising paradigm for collaborative medical image analysis, yet existing frameworks remain tightly coupled to task-specific backbones and are fragile under heterogeneous imaging modalities. Such…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Meilin Liu , Jiaying Wang , Jing Shan

Collaborative perception leverages data exchange among multiple agents to enhance overall perception capabilities. However, heterogeneity across agents introduces domain gaps that hinder collaboration, and this is further exacerbated by an…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Changxing Liu , Zichen Chao , Siheng Chen

Multiplex Imaging (MI) enables the simultaneous visualization of multiple biological markers in separate imaging channels at subcellular resolution, providing valuable insights into cell-type heterogeneity and spatial organization. However,…

Image and Video Processing · Electrical Eng. & Systems 2024-11-07 Simon Gutwein , Daria Lazic , Thomas Walter , Sabine Taschner-Mandl , Roxane Licandro

Attributed Graph Clustering (AGC) is a fundamental unsupervised task that partitions nodes into cohesive groups by jointly modeling structural topology and node attributes. While the advent of graph neural networks and self-supervised…

Machine Learning · Computer Science 2026-03-24 Yunhui Liu , Yue Liu , Yongchao Liu , Tao Zheng , Stan Z. Li , Xinwang Liu , Tieke He

Recent developments in single-cell omics technologies have enabled the quantification of molecular profiles in individual cells at an unparalleled resolution. Deep learning, a rapidly evolving sub-field of machine learning, has instilled a…

Genomics · Quantitative Biology 2024-01-17 Manoj M Wagle , Siqu Long , Carissa Chen , Chunlei Liu , Pengyi Yang

Recent progress in image generation has sparked research into controlling these models through condition signals, with various methods addressing specific challenges in conditional generation. Instead of proposing another specialized…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Xirui Li , Charles Herrmann , Kelvin C. K. Chan , Yinxiao Li , Deqing Sun , Chao Ma , Ming-Hsuan Yang

Multimodal learning, integrating histology images and genomics, promises to enhance precision oncology with comprehensive views at microscopic and molecular levels. However, existing methods may not sufficiently model the shared or…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Huahui Yi , Xiaofei Wang , Kang Li , Chao Li