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Automated sample preparation and electron microscopy enables acquisition of very large image data sets. These technical advances are of special importance to the field of neuroanatomy, as 3D reconstructions of neuronal processes at the nm…

Phase retrieval, the problem of recovering lost phase information from measured intensity alone, is an inverse problem that is widely faced in various imaging modalities ranging from astronomy to nanoscale imaging. The current process of…

Image and Video Processing · Electrical Eng. & Systems 2024-06-12 Henry Chan , Youssef S. G. Nashed , Saugat Kandel , Stephan Hruszkewycz , Subramanian Sankaranarayanan , Ross J. Harder , Mathew J. Cherukara

We propose a dual pathway, 11-layers deep, three-dimensional Convolutional Neural Network for the challenging task of brain lesion segmentation. The devised architecture is the result of an in-depth analysis of the limitations of current…

Computer Vision and Pattern Recognition · Computer Science 2017-01-10 Konstantinos Kamnitsas , Christian Ledig , Virginia F. J. Newcombe , Joanna P. Simpson , Andrew D. Kane , David K. Menon , Daniel Rueckert , Ben Glocker

Three-dimensional electron microscopy (3DEM) is an essential technique to investigate volumetric tissue ultra-structure. Due to technical limitations and high imaging costs, samples are often imaged anisotropically, where resolution in the…

Image and Video Processing · Electrical Eng. & Systems 2023-09-20 Mohammad Khateri , Morteza Ghahremani , Alejandra Sierra , Jussi Tohka

We study the problem of learning to estimate the 3D object pose from a few labelled examples and a collection of unlabelled data. Our main contribution is a learning framework, neural view synthesis and matching, that can transfer the 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Angtian Wang , Shenxiao Mei , Alan Yuille , Adam Kortylewski

Accurately estimating and correcting the motion artifacts are crucial for 3D image reconstruction of the abdominal and in-utero magnetic resonance imaging (MRI). The state-of-art methods are based on slice-to-volume registration (SVR) where…

Image and Video Processing · Electrical Eng. & Systems 2019-08-29 Tong Zhang , Laurence H. Jackson , Alena Uus , James R. Clough , Lisa Story , Mary A. Rutherford , Joseph V. Hajnal , Maria Deprez

Most recent approaches to monocular 3D pose estimation rely on Deep Learning. They either train a Convolutional Neural Network to directly regress from image to 3D pose, which ignores the dependencies between human joints, or model these…

Computer Vision and Pattern Recognition · Computer Science 2016-05-18 Bugra Tekin , Isinsu Katircioglu , Mathieu Salzmann , Vincent Lepetit , Pascal Fua

As part of human core knowledge, the representation of objects is the building block of mental representation that supports high-level concepts and symbolic reasoning. While humans develop the ability of perceiving objects situated in 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 John Day , Tushar Arora , Jirui Liu , Li Erran Li , Ming Bo Cai

Efforts to automate the reconstruction of neural circuits from 3D electron microscopic (EM) brain images are critical for the field of connectomics. An important computation for reconstruction is the detection of neuronal boundaries. Images…

Computer Vision and Pattern Recognition · Computer Science 2015-08-21 Kisuk Lee , Aleksandar Zlateski , Ashwin Vishwanathan , H. Sebastian Seung

Brain tumor segmentation plays a pivotal role in medical image processing. In this work, we aim to segment brain MRI volumes. 3D convolution neural networks (CNN) such as 3D U-Net and V-Net employing 3D convolutions to capture the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Chen Chen , Xiaopeng Liu , Meng Ding , Junfeng Zheng , Jiangyun Li

Despite being resource-intensive to train, 3D convolutional neural networks (CNNs) have been the standard approach to classify CT and MRI scans. Recent work suggests that deep multiple instance learning (MIL) may be a more efficient…

Machine Learning · Computer Science 2026-04-30 Ethan Harvey , Dennis Johan Loevlie , Amir Ali Satani , Wansu Chen , David M. Kent , Michael C. Hughes

Deep learning-based segmentation techniques have shown remarkable performance in brain segmentation, yet their success hinges on the availability of extensive labeled training data. Acquiring such vast datasets, however, poses a significant…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jihoon Cho , Suhyun Ahn , Beomju Kim , Hyungjoon Bae , Xiaofeng Liu , Fangxu Xing , Kyungeun Lee , Georges Elfakhri , Van Wedeen , Jonghye Woo , Jinah Park

Identifying cerebral cortex layers is crucial for comparative studies of the cytoarchitecture aiming at providing insights into the relations between brain structure and function across species. The absence of extensive annotated datasets…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Valentina Vadori , Antonella Peruffo , Jean-Marie Graïc , Giulia Vadori , Livio Finos , Enrico Grisan

Monocular 3D object parsing is highly desirable in various scenarios including occlusion reasoning and holistic scene interpretation. We present a deep convolutional neural network (CNN) architecture to localize semantic parts in 2D image…

Computer Vision and Pattern Recognition · Computer Science 2017-04-24 Chi Li , M. Zeeshan Zia , Quoc-Huy Tran , Xiang Yu , Gregory D. Hager , Manmohan Chandraker

Embedding 3D morphable basis functions into deep neural networks opens great potential for models with better representation power. However, to faithfully learn those models from an image collection, it requires strong regularization to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Luan Tran , Feng Liu , Xiaoming Liu

Point cloud analysis (such as 3D segmentation and detection) is a challenging task, because of not only the irregular geometries of many millions of unordered points, but also the great variations caused by depth, viewpoint, occlusion, etc.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Tuo Feng , Wenguan Wang , Xiaohan Wang , Yi Yang , Qinghua Zheng

Although self-supervised learning enables us to bootstrap the training by exploiting unlabeled data, the generic self-supervised methods for natural images do not sufficiently incorporate the context. For medical images, a desirable method…

Image and Video Processing · Electrical Eng. & Systems 2022-07-08 Li Sun , Ke Yu , Kayhan Batmanghelich

Subspace clustering is a powerful unsupervised approach for hyperspectral image (HSI) analysis, but its high computational and memory costs limit scalability. Superpixel segmentation can improve efficiency by reducing the number of data…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xianlu Li , Nicolas Nadisic , Shaoguang Huang , Aleksandra Pizurica

Motivated by the advances in 3D sensing technology and the spreading of low-cost robotic platforms, 3D object reconstruction has become a common task in many areas. Nevertheless, the selection of the optimal sensor pose that maximizes the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Miguel Mendoza , J. Irving Vasquez-Gomez , Hind Taud , Luis Enrique Sucar , Carolina Reta

Contrastive learning is commonly applied to self-supervised learning, and has been shown to outperform traditional approaches such as the triplet loss and N-pair loss. However, the requirement of large batch sizes and memory banks has made…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 Rishab Balasubramanian , Rupashree Dey , Kunal Rathore
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