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We present a simple, efficient and robust approach to improve cosmological redshift measurements. The method is based on the presence of a reference sample for which a precise redshift number distribution (dN/dz) can be obtained for…

宇宙学与河外天体物理 · 物理学 2017-09-13 Nicolas Tejos , Aldo Rodriguez-Puebla , Joel R. Primack

Prostate cancer grading from whole-slide images (WSIs) remains a challenging task due to the large-scale nature of WSIs, the presence of heterogeneous tissue structures, and difficulty of selecting diagnostically relevant regions. Existing…

计算机视觉与模式识别 · 计算机科学 2025-12-12 Masum Shah Junayed , John Derek Van Vessem , Qian Wan , Gahie Nam , Sheida Nabavi

Single-cell genomics has significantly advanced our understanding of cellular behavior, catalyzing innovations in treatments and precision medicine. However, single-cell sequencing technologies are inherently destructive and can only…

机器学习 · 统计学 2024-11-08 Dominik Klein , Théo Uscidda , Fabian Theis , Marco Cuturi

Influenced by breakthroughs in LLMs, single-cell foundation models are emerging. While these models show successful performance in cell type clustering, phenotype classification, and gene perturbation response prediction, it remains to be…

We introduce a novel approach for the precise localization of 67 anatomical structures from single depth images captured from the exterior of the human body. Our method uses a multi-class occupancy network, trained using segmented CT scans…

计算机视觉与模式识别 · 计算机科学 2025-04-23 Pit Henrich , Franziska Mathis-Ullrich

Single cell combinatorial indexing RNA sequencing (sci-RNA-seq) is a powerful method for recovering gene expression data from an exponentially scalable number of individual cells or nuclei. However, sci-RNA-seq is a complex protocol that…

Spatial Transcriptomics (ST) allows a high-resolution measurement of RNA sequence abundance by systematically connecting cell morphology depicted in Hematoxylin and Eosin (H&E) stained histology images to spatially resolved gene…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Sichen Zhu , Yuchen Zhu , Molei Tao , Peng Qiu

Unsupervised action segmentation has recently pushed its limits with ASOT, an optimal transport (OT)-based method that simultaneously learns action representations and performs clustering using pseudo-labels. Unlike other OT-based…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Elena Bueno-Benito , Mariella Dimiccoli

Spatially resolved transcriptomics represents a significant advancement in single-cell analysis by offering both gene expression data and their corresponding physical locations. However, this high degree of spatial resolution entails a…

基因组学 · 定量生物学 2024-03-19 Xiaoyu Li , Wenwen Min , Shunfang Wang , Changmiao Wang , Taosheng Xu

Optimal transport (OT) is a powerful geometric and probabilistic tool for finding correspondences and measuring similarity between two distributions. Yet, its original formulation relies on the existence of a cost function between the…

机器学习 · 统计学 2020-11-09 Ievgen Redko , Titouan Vayer , Rémi Flamary , Nicolas Courty

Optimal transport has been an essential tool for reconstructing dynamics from complex data. With the increasingly available multifaceted data, a system can often be characterized across multiple spaces. Therefore, it is crucial to maintain…

最优化与控制 · 数学 2024-06-06 Zixuan Cang , Yanxiang Zhao

Identification and quantification of condition-specific transcripts using RNA-Seq is vital in transcriptomics research. While initial efforts using mathematical or statistical modeling of read counts or per-base exonic signal have been…

定量方法 · 定量生物学 2013-02-26 Tin Chi Nguyen , Nan Deng , Dongxiao Zhu

Single-cell RNA sequencing (scRNA-seq) technology has profiled hundreds of millions of human cells across organs, diseases, development and perturbations to date. However, the high-dimensional sparsity, batch effect noise, category…

机器学习 · 计算机科学 2025-03-07 Zhen Yu , Jianan Han , Yang Liu , Qingchao Chen

The current best practice for computing optimal transport (OT) is via entropy regularization and Sinkhorn iterations. This algorithm runs in quadratic time as it requires the full pairwise cost matrix, which is prohibitively expensive for…

机器学习 · 计算机科学 2022-04-06 Johannes Gasteiger , Marten Lienen , Stephan Günnemann

Spatially resolved transcriptomics (ST) measures gene expression along with the spatial coordinates of the measurements. The analysis of ST data involves significant computation complexity. In this work, we propose gene expression…

基因组学 · 定量生物学 2022-05-24 Zhuoyan Xu , Kris Sankaran

Localization-based imaging has revolutionized fluorescence optical microscopy and has also enabled unprecedented ultrasound images of microvascular structures in deep tissues. Herein, we introduce a new concept of localization optoacoustic…

光学 · 物理学 2017-07-10 Xose Luis Dean-Ben , Daniel Razansky

Spatial transcriptomics (ST) measures mRNA expression while preserving spatial organization, but multi-slice analysis faces two coupled difficulties: large non-rigid deformations across slices and inter-slice batch effects when alignment…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Bonian Han , Cong Qi , Przemyslaw Musialski , Zhi Wei

Spatial Transcriptomics (ST) provides spatially resolved gene expression profiles within intact tissue architecture, enabling molecular analysis in histological context. However, the high cost, limited throughput, and restricted data…

机器学习 · 计算机科学 2026-03-31 Yaoyu Fang , Jiahe Qian , Xinkun Wang , Lee A. Cooper , Bo Zhou

Training-free zero-shot composed image retrieval models are recently gaining increasing research interest due to their generalizability and flexibility in unseen multimodal retrieval. Recent LLM-based advances focus on generating the…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Miaoge Li , Dongsheng Wang , Zening Sun , Jinsen Zhang , Wenhan Luo , Jingcai Guo

Freight consolidation has significant potential to reduce transportation costs and mitigate congestion and pollution. An effective load consolidation plan relies on carefully chosen consolidation points to ensure alignment with existing…

机器学习 · 计算机科学 2025-04-15 Sikai Cheng , Amira Hijazi , Jeren Konak , Alan Erera , Pascal Van Hentenryck