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A new three-dimensional (3D) multiphase computational fluid dynamics (CFD) model for adsorption physics in packed beds of spherical beads is developed and validated. The model is constituted at a macroscopic scale that integrates new…

流体动力学 · 物理学 2026-03-24 Mohamad Najib Nadamani , Mostafa Safdari Shadloo , Talib Dbouk

Automated extraction of plant morphological traits is crucial for supporting crop breeding and agricultural management through high-throughput field phenotyping (HTFP). Solutions based on multi-view RGB images are attractive due to their…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Daiwei Zhang , Joaquin Gajardo , Tomislav Medic , Isinsu Katircioglu , Mike Boss , Norbert Kirchgessner , Achim Walter , Lukas Roth

In this paper we present a semi-automatic 2D-3D local registration pipeline capable of coloring 3D models obtained from 3D scanners by using uncalibrated images. The proposed pipeline exploits the Structure from Motion (SfM) technique in…

计算机视觉与模式识别 · 计算机科学 2015-05-08 Citlalli Gamez Serna , Ruven Pillay , Alain Tremeau

Nanoparticles (NPs) have proven their applicability in biosensing, drug delivery, and photo-thermal therapy, but their performance depends critically on the distribution and number of functional groups on their surface. When studying…

Statistical Shape Modeling (SSM) is a valuable tool for investigating and quantifying anatomical variations within populations of anatomies. However, traditional correspondence-based SSM generation methods have a prohibitive inference…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Jadie Adams , Shireen Elhabian

In this work we use Monte Carlo simulations to study the phase behavior of spherical caps confined between two parallel hard walls separated by a distance H. The particle model consists of a hard sphere of diameter \sigma cut off by a plane…

软凝聚态物质 · 物理学 2013-04-03 Carlos Avendano , Chekesha M. Liddell Watson , Fernando A. Escobedo

Segmentation is a critical step in medical image analysis. Fully Convolutional Networks (FCNs) have emerged as powerful segmentation models achieving state-of-the-art results in various medical image datasets. Network architectures are…

图像与视频处理 · 电气工程与系统科学 2019-07-29 Maria G. Baldeon Calisto , Susana K. Lai-Yuen

The 3D microstructure of solid oxide fuel cell anodes significantly influences their electrochemical performance, but conventional methods for acquiring high-resolution microstructural 3D data such as focused ion beam scanning electron…

材料科学 · 物理学 2025-10-24 Léon F. Schröder , Sabrina Weber , Lukas Fuchs , Volker Schmidt , Benedikt Prifling

Undersampled CT volumes minimize acquisition time and radiation exposure but introduce artifacts degrading image quality and diagnostic utility. Reducing these artifacts is critical for high-quality imaging. We propose a computationally…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Johannes Thalhammer , Tina Dorosti , Sebastian Peterhansl , Daniela Pfeiffer , Franz Pfeiffer , Florian Schaff

Coarse-to-fine 3D instance segmentation methods show weak performances compared to recent Grouping-based, Kernel-based and Transformer-based methods. We argue that this is due to two limitations: 1) Instance size overestimation by…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Sangyun Shin , Kaichen Zhou , Madhu Vankadari , Andrew Markham , Niki Trigoni

Three-dimensional electron diffraction (3D ED) has emerged as a powerful method for solving the structures of sub-micron-sized particles down to nanoparticles. However, it faces technical challenges when applied to beam-sensitive samples or…

Holoscopic 3D imaging is a promising technique for capturing full colour spatial 3D images using a single aperture holoscopic 3D camera. It mimics fly's eye technique with a microlens array, which views the scene at a slightly different…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Bodor Almatrouk , Mohammad Rafiq Swash , Abdul Hamid Sadka

Accurate segmentation of pulmonary structures iscrucial in clinical diagnosis, disease study, and treatment planning. Significant progress has been made in deep learning-based segmentation techniques, but most require much labeled data for…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Xiaotong Guo , Deqian Yang , Dan Wang , Haochen Zhao , Yuan Li , Zhilin Sui , Tao Zhou , Lijun Zhang , Yanda Meng

Controllable spherical panoramic image generation holds substantial applicative potential across a variety of domains.However, it remains a challenging task due to the inherent spherical distortion and geometry characteristics, resulting in…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Tao Wu , Xuewei Li , Zhongang Qi , Di Hu , Xintao Wang , Ying Shan , Xi Li

Three-dimensional (3D) technologies have been developing rapidly recent years, and have influenced industrial, medical, cultural, and many other fields. In this paper, we introduce an automatic 3D human head scanning-printing system, which…

机器人学 · 计算机科学 2023-01-02 Longyu Zhang , Bote Han , Haiwei Dong , Abdulmotaleb El Saddik

Accurate 3D shape representation is essential in engineering applications such as design, optimization, and simulation. In practice, engineering workflows require structured, part-based representations, as objects are inherently designed as…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Nicolas Talabot , Olivier Clerc , Arda Cinar Demirtas , Alexis Goujon , Hieu Le , Doruk Oner , Pascal Fua

Real-world robotic grasping can be done robustly if a complete 3D Point Cloud Data (PCD) of an object is available. However, in practice, PCDs are often incomplete when objects are viewed from few and sparse viewpoints before the grasping…

Most of existing superpixel methods are designed to segment standard planar images as pre-processing for computer vision pipelines. Nevertheless, the increasing number of applications based on wide angle capture devices, mainly generating…

计算机视觉与模式识别 · 计算机科学 2021-02-16 Rémi Giraud , Rodrigo Borba Pinheiro , Yannick Berthoumieu

Multimodal 3D object detection based on deep neural networks has indeed made significant progress. However, it still faces challenges due to the misalignment of scale and spatial information between features extracted from 2D images and…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Bonan Ding , Jin Xie , Jing Nie , Jiale Cao

We show that a scanning capacitance microscope (SCM) can image buried delta-doped donor nanostructures fabricated in Si via a recently developed atomic-precision scanning tunneling microscopy (STM) lithography technique. A critical…

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