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相关论文: Robust Skeletonization for Plant Root Structure Re…

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Dormant pruning for fresh market fruit trees is a relatively unexplored application of agricultural robotics for which few end-to-end systems exist. One of the biggest challenges in creating an autonomous pruning system is the need to…

机器人学 · 计算机科学 2021-03-05 Alexander You , Cindy Grimm , Abhisesh Silwal , Joseph R. Davidson

Surgical assessment of liver cancer patients requires identification of the vessel trees from medical images. Specifically, the venous trees - the portal (perfusing) and the hepatic (draining) trees are important for understanding the liver…

图像与视频处理 · 电气工程与系统科学 2025-03-20 Yassine Machta , Omar Ali , Kevin Hakkakian , Ana Vlasceanu , Amaury Facque , Nicolas Golse , Irene Vignon-Clementel

X-Ray imaging is quick, cheap and useful for front-line care assessment and intra-operative real-time imaging (e.g., C-Arm Fluoroscopy). However, it suffers from projective information loss and lacks vital volumetric information on which…

图像与视频处理 · 电气工程与系统科学 2020-06-24 Athanasios Vlontzos , Samuel Budd , Benjamin Hou , Daniel Rueckert , Bernhard Kainz

3D Reconstruction of moving articulated objects without additional information about object structure is a challenging problem. Current methods overcome such challenges by employing category-specific skeletal models. Consequently, they do…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Hao Zhang , Fang Li , Samyak Rawlekar , Narendra Ahuja

In this paper, we present a deep-learning based method for estimating the 3D structure of a bone from a pair of 2D X-ray images. Our triplet loss-trained neural network selects the most closely matching 3D bone shape from a predefined set…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Jana Čavojská , Julian Petrasch , Nicolas J. Lehmann , Agnès Voisard , Peter Böttcher

The ability to automatically build 3D digital twins of plants from images has countless applications in agriculture, environmental science, robotics, and other fields. However, current 3D reconstruction methods fail to recover complete…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Albert J. Zhai , Xinlei Wang , Kaiyuan Li , Zhao Jiang , Junxiong Zhou , Sheng Wang , Zhenong Jin , Kaiyu Guan , Shenlong Wang

Accurate reconstruction of leaf surfaces from 3D point cloud is essential for agricultural applications such as phenotyping. However, real-world plant data (i.e., irregular 3D point cloud) are often complex to reconstruct plant parts…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Arif Ahmed , Parikshit Maini

Plant root research can provide a way to attain stress-tolerant crops that produce greater yield in a diverse array of conditions. Phenotyping roots in soil is often challenging due to the roots being difficult to access and the use of time…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Abraham George Smith , Jens Petersen , Raghavendra Selvan , Camilla Ruø Rasmussen

One of the critical steps in improving accurate single neuron reconstruction from three-dimensional (3D) optical microscope images is the neuronal structure segmentation. However, they are always hard to segment due to the lack in quality.…

图像与视频处理 · 电气工程与系统科学 2021-01-25 Heng Wang , Yang Song , Chaoyi Zhang , Jianhui Yu , Siqi Liu , Hanchuan Peng , Weidong Cai

Magnetic Resonance Imaging (MRI) acquisition remains a time-intensive and patient-straining process, as prolonged scan dura- tions increase the likelihood of motion artifacts, which degrade image quality and frequently require repeated…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Prajyot Pyati , Sapna Sachan , Amulya Kumar Mahto , Pranjal Phukan

Various structures in human physiology follow a treelike morphology, which often expresses complexity at very fine scales. Examples of such structures are intrathoracic airways, retinal blood vessels, and hepatic blood vessels. Large…

图像与视频处理 · 电气工程与系统科学 2022-09-23 Hao Li , Zeyu Tang , Yang Nan , Guang Yang

The importance of imaging exams, such as Magnetic Resonance Imaging (MRI), for the diagnostic and follow-up of pediatric pathologies and the assessment of anatomical structures' development has been increasingly highlighted in recent times.…

计算机视觉与模式识别 · 计算机科学 2019-08-05 Larissa de O. Penteado , Mateus Riva , Roberto M. Cesar

Creating accurate 3D models of tree topology is an important task for tree pruning. The 3D model is used to decide which branches to prune and then to execute the pruning cuts. Previous methods for creating 3D tree models have typically…

机器人学 · 计算机科学 2024-06-19 Alexander You , Aarushi Mehta , Luke Strohbehn , Jochen Hemming , Cindy Grimm , Joseph R. Davidson

Magnetic resonance imaging (MRI) is one of the noninvasive imaging modalities that can produce high-quality images. However, the scan procedure is relatively slow, which causes patient discomfort and motion artifacts in images. Accelerating…

图像与视频处理 · 电气工程与系统科学 2023-01-18 Samira Vafay Eslahi , Jian Tao , Jim Ji

Resting-state functional Magnetic Resonance Imaging (fMRI) is a powerful imaging technique for studying functional development of the brain in utero. However, unpredictable and excessive movement of fetuses has limited clinical application…

The growing complexity of spatial and structural information in 3D data makes data inspection and visualization a challenging task. We describe a method to create a planar embedding of 3D treelike structures using their skeleton…

图形学 · 计算机科学 2022-02-23 Ping Hu , Saeed Boorboor , Joseph Marino , Arie E. Kaufman

This dissertation is devoted to provide advanced nonconvex nonsmooth variational models of (Magnetic Resonance Image) MRI reconstruction, efficient learnable image reconstruction algorithms and parameter training algorithms that improve the…

最优化与控制 · 数学 2023-03-06 Wanyu Bian

Accurate segmentation of 3-D cell nuclei in microscopy images is essential for the study of nuclear organization, gene expression, and cell morphodynamics. Current image segmentation methods are challenged by the complexity and variability…

图像与视频处理 · 电气工程与系统科学 2022-03-18 Sundaresh Ram , Jeffrey J. Rodriguez

Motion degradation is a central problem in Magnetic Resonance Imaging (MRI). This work addresses the problem of how to obtain higher quality, super-resolved motion-free, reconstructions from highly undersampled MRI data. In this work, we…

图像与视频处理 · 电气工程与系统科学 2019-08-19 Veronica Corona , Angelica I. Aviles-Rivero , Noémie Debroux , Carole Le Guyader , Carola-Bibiane Schönlieb

This paper focuses on the challenging task of learning 3D object surface reconstructions from single RGB images. Existing methods achieve varying degrees of success by using different geometric representations. However, they all have their…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Jiapeng Tang , Xiaoguang Han , Junyi Pan , Kui Jia , Xin Tong