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Soft-constraint affinity propagation (SCAP) is a new statistical-physics based clustering technique. First we give the derivation of a simplified version of the algorithm and discuss possibilities of time- and memory-efficient…

Data Analysis, Statistics and Probability · Physics 2008-10-20 Michele Leone , Sumedha , Martin Weigt

Spectral clustering is one of the fundamental unsupervised learning methods widely used in data analysis. Sparse spectral clustering (SSC) imposes sparsity to the spectral clustering and it improves the interpretability of the model. This…

Machine Learning · Statistics 2020-11-03 Zhongruo Wang , Bingyuan Liu , Shixiang Chen , Shiqian Ma , Lingzhou Xue , Hongyu Zhao

Neural message passing algorithms for semi-supervised classification on graphs have recently achieved great success. However, for classifying a node these methods only consider nodes that are a few propagation steps away and the size of…

Machine Learning · Computer Science 2022-04-06 Johannes Gasteiger , Aleksandar Bojchevski , Stephan Günnemann

Requirements of large amounts of data is a difficulty in training many GANs. Data efficient GANs involve fitting a generators continuous target distribution with a limited discrete set of data samples, which is a difficult task. Single…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Rajiv Kumar , G. Sivakumar

Recently, graph prompt learning has garnered increasing attention in adapting pre-trained GNN models for downstream graph learning tasks. However, existing works generally conduct prompting over all graph elements (e.g., nodes, edges, node…

Machine Learning · Computer Science 2024-10-30 Bo Jiang , Hao Wu , Beibei Wang , Jin Tang , Bin Luo

Feature regression is a simple way to distill large neural network models to smaller ones. We show that with simple changes to the network architecture, regression can outperform more complex state-of-the-art approaches for knowledge…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 K L Navaneet , Soroush Abbasi Koohpayegani , Ajinkya Tejankar , Hamed Pirsiavash

Single-cell RNA-seq data analysis typically requires representations that capture heterogeneous local structure across multiple scales while remaining stable and interpretable. In this work, we propose a hierarchical sheaf spectral…

Machine Learning · Computer Science 2026-03-31 Xiang Xiang Wang , Guo-Wei We

Gene expression data represents a unique challenge in predictive model building, because of the small number of samples $(n)$ compared to the huge amount of features $(p)$. This "$n<<p$" property has hampered application of deep learning…

Machine Learning · Statistics 2018-02-13 Yunchuan Kong , Tianwei Yu

Precise and accurate predictions over boundary areas are essential for semantic segmentation. However, the commonly-used convolutional operators tend to smooth and blur local detail cues, making it difficult for deep models to generate…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Haoru Tan , Sitong Wu , Jimin Pi

Grasping the fruits of "emerging technologies" is an objective of many government priority programs in a knowledge-based and globalizing economy. We use the publication records (in the Science Citation Index) of two emerging technologies to…

Digital Libraries · Computer Science 2011-02-01 Loet Leydesdorff , Ismael Rafols

In single-cell RNA sequencing (scRNA-seq) analysis, a key challenge is inferring hidden cellular dynamics from static cell snapshots. Various computational methods have been developed to address this, focusing on perspectives like…

Genomics · Quantitative Biology 2024-09-04 Qingyang Wang , Zhiqian Zhai , Qiuyu Lian , Dongyuan Song , Jingyi Jessica Li

Sequencing costs currently prohibit the application of single-cell mRNA-seq to many biological and clinical analyses. Targeted single-cell mRNA-sequencing reduces sequencing costs by profiling reduced gene sets that capture biological…

Genomics · Quantitative Biology 2022-02-15 Xiaoqiao Chen , Sisi Chen , Matt Thomson

Face parsing is an important problem in computer vision that finds numerous applications including recognition and editing. Recently, deep convolutional neural networks (CNNs) have been applied to image parsing and segmentation with the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Sifei Liu , Jianping Shi , Ji Liang , Ming-Hsuan Yang

Convolutional neural networks (CNNs) have long been the paradigm of choice for robust medical image processing (MIP). Therefore, it is crucial to effectively and efficiently deploy CNNs on devices with different computing capabilities to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Zexin Feng , Na Zeng , Jiansheng Fang , Xingyue Wang , Xiaoxi Lu , Heng Meng , Jiang Liu

Depth estimation from a single image is a fundamental problem in computer vision. In this paper, we propose a simple yet effective convolutional spatial propagation network (CSPN) to learn the affinity matrix for depth prediction.…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Xinjing Cheng , Peng Wang , Ruigang Yang

Long non-coding RNAs (lncRNAs) are important regulators to modulate gene expression and cell proliferation in the developing human brain. Previous methods mainly use bulk lncRNA and mRNA expression data to study lncRNA regulation. However,…

Molecular Networks · Quantitative Biology 2022-12-01 Meng Huang , Jiangtao Ma , Changzhou Long , Junpeng Zhang , Xiucai Ye , Tetsuya Sakurai

Accurate cell type annotation across datasets is a key challenge in single-cell analysis. snRNA-seq enables profiling of frozen or difficult-to-dissociate tissues, complementing scRNA-seq by capturing fragile or rare cell types. However,…

Genomics · Quantitative Biology 2026-03-10 Xiran Chen , Quan Zou , Qinyu Cai , Xiaofeng Chen , Weikai Li , Yansu Wang

Until recently, transcriptomics was limited to bulk RNA sequencing, obscuring the underlying expression patterns of individual cells in favor of a global average. Thanks to technological advances, we can now profile gene expression across…

Quantitative Methods · Quantitative Biology 2018-11-30 Miriam Shiffman , William T. Stephenson , Geoffrey Schiebinger , Jonathan Huggins , Trevor Campbell , Aviv Regev , Tamara Broderick

Single-cell RNA sequencing (scRNA-seq) frameworks lack explainable approaches for identifying cell subpopulations harboring strong pairwise monotonic gene-module relationships between a gene of interest (GOI) and its co-expressed genes.…

Genomics · Quantitative Biology 2026-05-05 Kah Keng Wong

A graphical model is a structured representation of locally dependent random variables. A traditional method to reason over these random variables is to perform inference using belief propagation. When provided with the true data generating…

Machine Learning · Computer Science 2021-03-17 Victor Garcia Satorras , Max Welling