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Wireless ray-tracing (RT) is emerging as a key tool for three-dimensional (3D) wireless channel modeling, driven by advances in graphical rendering. Current approaches struggle to accurately model beyond 5G (B5G) network signaling, which…

Networking and Internet Architecture · Computer Science 2025-08-06 Yifei Jin , Ali Maatouk , Sarunas Girdzijauskas , Shugong Xu , Leandros Tassiulas , Rex Ying

Complex spatial and temporal patterns of gene expression underlie embryo differentiation, yet methods do not yet exist for the efficient genome-wide determination of spatial expression patterns during development. In situ imaging of…

Genomics · Quantitative Biology 2013-08-15 Peter A. Combs , Michael B. Eisen

Single-cell RNA sequencing (scRNA-seq) technology enables systematic delineation of cellular states and interactions, providing crucial insights into cellular heterogeneity. Building on this potential, numerous computational methods have…

Genomics · Quantitative Biology 2025-11-11 Ping Xu , Zaitian Wang , Zhirui Wang , Pengjiang Li , Ran Zhang , Gaoyang Li , Hanyu Xie , Jiajia Wang , Yuanchun Zhou , Pengfei Wang

As the basic task of point cloud analysis, classification is fundamental but always challenging. To address some unsolved problems of existing methods, we propose a network that captures geometric features of point clouds for better…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Shi Qiu , Saeed Anwar , Nick Barnes

The analyses relying on 3D point clouds are an utterly complex task, often involving million of points, but also requiring computationally efficient algorithms because of many real-time applications; e.g. autonomous vehicle. However, point…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos

Single-cell RNA sequencing (scRNA-seq) provides a high throughput, quantitative and unbiased framework for scientists in many research fields to identify and characterize cell types within heterogeneous cell populations from various…

Quantitative Methods · Quantitative Biology 2022-09-28 Yeganeh Madadi , Aboozar Monavarfeshani , Hao Chen , W. Daniel Stamer , Robert W. Williams , Siamak Yousefi

Single-cell-resolution spatial transcriptomics profiles gene expression at cellular locations in native tissues, yet accurate cell-type annotation remains challenging: imaging-based platforms are constrained by targeted gene panels, whereas…

Cell Behavior · Quantitative Biology 2026-05-27 Yiyang Zhang , Bokai Zhao , Xiaoru Zhang , Zongchang Du , Xiaojuan Sun , Tianzi Jiang

Place recognition or loop closure detection is one of the core components in a full SLAM system. In this paper, aiming at strengthening the relevancy of local neighboring points and the contextual dependency among global points…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Zhixing Hou , Yan Yan , Chengzhong Xu , Hui Kong

Synthesizing photo-realistic images from a point cloud is challenging because of the sparsity of point cloud representation. Recent Neural Radiance Fields and extensions are proposed to synthesize realistic images from 2D input. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Tao Hu , Xiaogang Xu , Shu Liu , Jiaya Jia

While single-cell RNA sequencing provides an understanding of the transcriptome of individual cells, its high sparsity, often termed dropout, hampers the capture of significant cell-cell relationships. Here, we propose scFP (single-cell…

Computational Engineering, Finance, and Science · Computer Science 2023-07-24 Sukwon Yun , Junseok Lee , Chanyoung Park

Feature point detection and description is the backbone for various computer vision applications, such as Structure-from-Motion, visual SLAM, and visual place recognition. While learning-based methods have surpassed traditional handcrafted…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Ali Youssef , Francisco Vasconcelos

We present a novel and flexible architecture for point cloud segmentation with dual-representation iterative learning. In point cloud processing, different representations have their own pros and cons. Thus, finding suitable ways to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Maosheng Ye , Shuangjie Xu , Tongyi Cao , Qifeng Chen

This work first attempts to automatically recognize pancreatitis on CT scan images. However, different form the traditional object recognition, such pancreatitis recognition is challenging due to the fine-grained and non-rigid appearance…

Image and Video Processing · Electrical Eng. & Systems 2019-07-04 Jian Wang , Xiaoyao Li , Xiangbo Shu , Weiqin Li

The classification of airborne laser scanning (ALS) point clouds is a critical task of remote sensing and photogrammetry fields. Although recent deep learning-based methods have achieved satisfactory performance, they have ignored the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Yongqiang Mao , Kaiqiang Chen , Wenhui Diao , Xian Sun , Xiaonan Lu , Kun Fu , Martin Weinmann

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

Producing traversability maps and understanding the surroundings are crucial prerequisites for autonomous navigation. In this paper, we address the problem of traversability assessment using point clouds. We propose a novel pillar feature…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Yirui Chen , Pengjin Wei , Zhenhuan Liu , Bingchao Wang , Jie Yang , Wei Liu

Particle filters are computational techniques for estimating the state of dynamical systems by integrating observational data with model predictions. This work introduces a class of Localized Particle Filters (LPFs) that exploit spatial…

Applications · Statistics 2025-07-10 Dan Crisan , Eliana Fausti

The spatial location of cells within tissues and organs is crucial for the manifestation of their specific functions.Spatial transcriptomics technology enables comprehensive measurement of the gene expression patterns in tissues while…

Quantitative Methods · Quantitative Biology 2024-07-12 Shuailin Xue , Fangfang Zhu , Changmiao Wang , Wenwen Min

Particle filtering is a powerful approach to sequential state estimation and finds application in many domains, including robot localization, object tracking, etc. To apply particle filtering in practice, a critical challenge is to…

Robotics · Computer Science 2019-05-29 Peter Karkus , David Hsu , Wee Sun Lee

Single-cell RNA sequencing (scRNA-seq) has the potential to provide powerful, high-resolution signatures to inform disease prognosis and precision medicine. This paper takes an important first step towards this goal by developing an…

Quantitative Methods · Quantitative Biology 2021-10-15 Bryan He , Matthew Thomson , Meena Subramaniam , Richard Perez , Chun Jimmie Ye , James Zou