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Deep neural networks with multilevel connections process input data in complex ways to learn the information.A networks learning efficiency depends not only on the complex neural network architecture but also on the input training…

Image and Video Processing · Electrical Eng. & Systems 2021-11-02 Rajarajeswari Muthusivarajan , Adrian Celaya , Joshua P. Yung , Satish Viswanath , Daniel S. Marcus , Caroline Chung , David Fuentes

Deep learning based methods for image reconstruction are state-of-the-art for a variety of imaging tasks. However, neural networks often perform worse if the training data differs significantly from the data they are applied to. For…

Image and Video Processing · Electrical Eng. & Systems 2024-08-08 Kang Lin , Reinhard Heckel

Data-driven deep learning approaches to image registration can be less accurate than conventional iterative approaches, especially when training data is limited. To address this whilst retaining the fast inference speed of deep learning, we…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Xi Jia , Alexander Thorley , Wei Chen , Huaqi Qiu , Linlin Shen , Iain B Styles , Hyung Jin Chang , Ales Leonardis , Antonio de Marvao , Declan P. O'Regan , Daniel Rueckert , Jinming Duan

Multi-Focus Image Fusion seeks to improve the quality of an acquired burst of images with different focus planes. For solving the task, an activity level measurement and a fusion rule are typically established to select and fuse the most…

Computer Vision and Pattern Recognition · Computer Science 2019-08-30 Fidel Alejandro Guerrero Peña , Pedro Diamel Marrero Fernández , Tsang Ing Ren , Germano Crispim Vasconcelos , Alexandre Cunha

This paper presents DeepFLASH, a novel network with efficient training and inference for learning-based medical image registration. In contrast to existing approaches that learn spatial transformations from training data in the high…

Image and Video Processing · Electrical Eng. & Systems 2020-04-07 Jian Wang , Miaomiao Zhang

To accurately analyze changes of anatomical structures in longitudinal imaging studies, consistent segmentation across multiple time-points is required. Existing solutions often involve independent registration and segmentation components.…

Image and Video Processing · Electrical Eng. & Systems 2019-08-28 Bo Li , Wiro Niessen , Stefan Klein , Marius de Groot , Arfan Ikram , Meike Vernooij , Esther Bron

This paper introduces a class of mixed-effects models for joint modeling of spatially correlated intensity variation and warping variation in 2D images. Spatially correlated intensity variation and warp variation are modeled as random…

Computer Vision and Pattern Recognition · Computer Science 2023-01-23 Line Kühnel , Stefan Sommer , Akshay Pai , Lars Lau Raket

Non-rigid inter-modality registration can facilitate accurate information fusion from different modalities, but it is challenging due to the very different image appearances across modalities. In this paper, we propose to train a non-rigid…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Xiaohuan Cao , Jianhua Yang , Li Wang , Zhong Xue , Qian Wang , Dinggang Shen

Both biological and artificial neural networks inherently balance their performance with their operational cost, which balances their computational abilities. Typically, an efficient neuromorphic neural network is one that learns…

Neurons and Cognition · Quantitative Biology 2023-12-25 Hugo J. Ladret , Christian Casanova , Laurent Udo Perrinet

Medical brain imaging relies heavily on image registration to accurately curate structural boundaries of brain features for various healthcare applications. Deep learning models have shown remarkable performance in image registration in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Taha Razzaq , Asim Iqbal

Deep convolutional neural networks (CNNs) are state-of-the-art for semantic image segmentation, but typically require many labeled training samples. Obtaining 3D segmentations of medical images for supervised training is difficult and labor…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Zhenlin Xu , Marc Niethammer

Deformable registration of magnetic resonance images between patients with brain tumors and healthy subjects has been an important tool to specify tumor geometry through location alignment and facilitate pathological analysis. Since tumor…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Xiaofeng Liu , Fangxu Xing , Chao Yang , C. -C. Jay Kuo , Georges ElFakhri , Jonghye Woo

Deep learning methods for unsupervised registration often rely on objectives that assume a uniform noise level across the spatial domain (e.g. mean-squared error loss), but noise distributions are often heteroscedastic and input-dependent…

Image and Video Processing · Electrical Eng. & Systems 2024-07-19 Xiaoran Zhang , Daniel H. Pak , Shawn S. Ahn , Xiaoxiao Li , Chenyu You , Lawrence H. Staib , Albert J. Sinusas , Alex Wong , James S. Duncan

Image synthesis learns a transformation from the intensity features of an input image to yield a different tissue contrast of the output image. This process has been shown to have application in many medical image analysis tasks including…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Jacob C. Reinhold , Blake E. Dewey , Aaron Carass , Jerry L. Prince

We present INSPIRE, a top-performing general-purpose method for deformable image registration. INSPIRE brings distance measures which combine intensity and spatial information into an elastic B-splines-based transformation model and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Johan Öfverstedt , Joakim Lindblad , Nataša Sladoje

The most recent fast and accurate image segmentation methods are built upon fully convolutional deep neural networks. In this paper, we propose new deep learning strategies for DenseNets to improve segmenting images with subtle differences…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Seyed Raein Hashemi , Sanjay P. Prabhu , Simon K. Warfield , Ali Gholipour

In this work, we conducted a survey on different registration algorithms and investigated their suitability for hyperspectral historical image registration applications. After the evaluation of different algorithms, we choose an intensity…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 AmirAbbas Davari , Tobias Lindenberger , Armin Häberle , Vincent Christlein , Andreas Maier , Christian Riess

This paper investigates discrepancies in how neural networks learn from different imaging domains, which are commonly overlooked when adopting computer vision techniques from the domain of natural images to other specialized domains such as…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Nicholas Konz , Maciej A. Mazurowski

Comparison of microvascular circulation on fundoscopic images is a non-invasive clinical indication for the diagnosis and monitoring of diseases, such as diabetes and hypertensions. The differences between intra-patient images can be…

Image and Video Processing · Electrical Eng. & Systems 2019-12-24 Siming Bayer , Xia Zhong , Weilin Fu , Nishant Ravikumar , Andreas Maier

Deep Learning in Image Registration (DLIR) methods have been tremendously successful in image registration due to their speed and ability to incorporate weak label supervision at training time. However, existing DLIR methods forego many of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Rohit Jena , Pratik Chaudhari , James C. Gee