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Vascular segmentation in medical imaging plays a crucial role in analysing morphological and functional assessments. Traditional methods, like the centerline Dice (clDice) loss, ensure topology preservation but falter in capturing geometric…

图像与视频处理 · 电气工程与系统科学 2024-07-02 Pengcheng Shi , Jiesi Hu , Yanwu Yang , Zilve Gao , Wei Liu , Ting Ma

Missing data is a widespread problem in many domains, creating challenges in data analysis and decision making. Traditional techniques for dealing with missing data, such as excluding incomplete records or imputing simple estimates (e.g.,…

数据库 · 计算机科学 2024-01-09 Massimo Perini , Milos Nikolic

Accurate segmentation of tubular, network-like structures, such as vessels, neurons, or roads, is relevant to many fields of research. For such structures, the topology is their most important characteristic; particularly preserving…

In this paper, we study the missing sample recovery problem using methods based on sparse approximation. In this regard, we investigate the algorithms used for solving the inverse problem associated with the restoration of missed samples of…

机器学习 · 统计学 2017-06-29 Amirhossein Javaheri , Hadi Zayyani , Farokh Marvasti

Electrical impedance tomography aims at reconstructing the conductivity inside a physical body from boundary measurements of current and voltage at a finite number of contact electrodes. In many practical applications, the shape of the…

数值分析 · 数学 2017-03-08 Nuutti Hyvönen , Helle Majander , Stratos Staboulis

Diffuse Reflectance Spectroscopy has demonstrated a strong aptitude for identifying and differentiating biological tissues. However, the broadband and smooth nature of these signals require algorithmic processing, as they are often…

图像与视频处理 · 电气工程与系统科学 2025-03-06 Nicola Rossberg , Celina L. Li , Simone Innocente , Stefan Andersson-Engels , Katarzyna Komolibus , Barry O'Sullivan , Andrea Visentin

Domain gaps arising from variations in imaging devices and population distributions pose significant challenges for machine learning in medical image analysis. Existing image-to-image translation methods primarily aim to learn mappings…

计算机视觉与模式识别 · 计算机科学 2026-01-08 Tianyang Zhang , Xinxing Cheng , Jun Cheng , Shaoming Zheng , He Zhao , Huazhu Fu , Alejandro F Frangi , Jiang Liu , Jinming Duan

In the field of transmission electron microscopy, data interpretation often lags behind acquisition methods, as image processing methods often have to be manually tailored to individual datasets. Machine learning offers a promising approach…

图像与视频处理 · 电气工程与系统科学 2021-07-07 C. K. Groschner , Christina Choi , M. C. Scott

Machine learning and deep learning methods have become essential for computer-assisted prediction in medicine, with a growing number of applications also in the field of mammography. Typically these algorithms are trained for a specific…

图像与视频处理 · 电气工程与系统科学 2021-12-03 Maria Wimmer , Gert Sluiter , David Major , Dimitrios Lenis , Astrid Berg , Theresa Neubauer , Katja Bühler

Detection and classification of pulmonary nodules is a challenge in medical image analysis due to the variety of shapes and sizes of nodules and their high concealment. Despite the success of traditional deep learning methods in image…

图像与视频处理 · 电气工程与系统科学 2025-02-28 Junji Lin , Yi Zhang , Yunyue Pan , Yuli Chen , Chengchang Pan , Honggang Qi

Conventional Endoscopy (CE) and Wireless Capsule Endoscopy (WCE) are known tools for diagnosing gastrointestinal (GI) tract disorders. Detecting the anatomical location of GI tract can help clinicians to determine a more appropriate…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Mohammad Reza Mohebbian , Khan A. Wahid , Anh Dinh , Paul Babyn

The proliferation of 3D scanning technology has driven a need for methods to interpret geometric data, particularly for human subjects. In this paper we propose an elegant fusion of regression (bottom-up) and generative (top-down) methods…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Benjamin Groisser , Alon Wolf , Ron Kimmel

This study proposes median consensus embedding (MCE) to address variability in low-dimensional embeddings caused by random initialization in nonlinear dimensionality reduction techniques such as $t$-distributed stochastic neighbor…

机器学习 · 统计学 2025-12-10 Yui Tomo , Daisuke Yoneoka

Missing values in tabular data restrict the use and performance of machine learning, requiring the imputation of missing values. The most popular imputation algorithm is arguably multiple imputations using chains of equations (MICE), which…

机器学习 · 计算机科学 2022-03-01 Manar D Samad , Sakib Abrar , Norou Diawara

The missing signal caused by the objects being occluded or an unstable sensor is a common challenge during data collection. Such missing signals will adversely affect the results obtained from the data, and this issue is observed more…

机器人学 · 计算机科学 2023-07-17 Guanqun Cao , Jiaqi Jiang , Danushka Bollegala , Shan Luo

Tracking objects in 3D space and predicting their 6DoF pose is an essential task in computer vision. State-of-the-art approaches often rely on object texture to tackle this problem. However, while they achieve impressive results, many…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Manuel Stoiber , Martin Sundermeyer , Rudolph Triebel

Separating overlapped nuclei is a major challenge in histopathology image analysis. Recently published approaches have achieved promising overall performance on nuclei segmentation; however, their performance on separating overlapped nuclei…

图像与视频处理 · 电气工程与系统科学 2021-10-01 Haotian Wang , Aleksandar Vakanski , Changfa Shi , Min Xian

Whole-brain neural connectivity data are now available from viral tracing experiments, which reveal the connections between a source injection site and elsewhere in the brain. These hold the promise of revealing spatial patterns of…

神经元与认知 · 定量生物学 2016-10-27 Kameron Decker Harris , Stefan Mihalas , Eric Shea-Brown

Purpose: Accurate detection and 6D pose estimation of surgical instruments are crucial for many computer-assisted interventions. However, supervised methods lack flexibility for new or unseen tools and require extensive annotated data. This…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Jonas Hein , Lilian Calvet , Matthias Seibold , Siyu Tang , Marc Pollefeys , Philipp Fürnstahl

We present TopoGaussian, a holistic, particle-based pipeline for inferring the interior structure of an opaque object from easily accessible photos and videos as input. Traditional mesh-based approaches require tedious and error-prone mesh…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Xiaoyu Xiong , Changyu Hu , Chunru Lin , Pingchuan Ma , Chuang Gan , Tao Du