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This paper proposes to use Fast Fourier Transformation-based U-Net (a refined fully convolutional networks) and perform image convolution in neural networks. Leveraging the Fast Fourier Transformation, it reduces the image convolution costs…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Varsha Nair , Moitrayee Chatterjee , Neda Tavakoli , Akbar Siami Namin , Craig Snoeyink

We present a fully convolutional network(FCN) based approach for color image restoration. FCNs have recently shown remarkable performance for high-level vision problem like semantic segmentation. In this paper, we investigate if FCN models…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Subhajit Chaudhury , Hiya Roy

Convolutional Neural Networks (CNNs) have been consistently proved state-of-the-art results in image Super-Resolution (SR), representing an exceptional opportunity for the remote sensing field to extract further information and knowledge…

Image and Video Processing · Electrical Eng. & Systems 2020-11-02 Francesco Salvetti , Vittorio Mazzia , Aleem Khaliq , Marcello Chiaberge

Conventional medical image registration approaches directly optimize over the parameters of a transformation model. These approaches have been highly successful and are used generically for registrations of different anatomical regions.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Lin Tian , Hastings Greer , Roland Kwitt , Francois-Xavier Vialard , Raul San Jose Estepar , Sylvain Bouix , Richard Rushmore , Marc Niethammer

We introduce RetinaRegNet, a zero-shot image registration model designed to register retinal images with minimal overlap, large deformations, and varying image quality. RetinaRegNet addresses these challenges and achieves robust and…

We present 3DRegNet, a novel deep learning architecture for the registration of 3D scans. Given a set of 3D point correspondences, we build a deep neural network to address the following two challenges: (i) classification of the point…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 G. Dias Pais , Srikumar Ramalingam , Venu Madhav Govindu , Jacinto C. Nascimento , Rama Chellappa , Pedro Miraldo

Diffeomorphic deformable multi-modal image registration is a challenging task which aims to bring images acquired by different modalities to the same coordinate space and at the same time to preserve the topology and the invertibility of…

Image and Video Processing · Electrical Eng. & Systems 2022-03-16 Vasiliki Sideri-Lampretsa , Georgios Kaissis , Daniel Rueckert

Robotic grasp detection for novel objects is a challenging task, but for the last few years, deep learning based approaches have achieved remarkable performance improvements, up to 96.1% accuracy, with RGB-D data. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Dongwon Park , Yonghyeok Seo , Se Young Chun

During the image acquisition process, noise is usually added to the data mainly due to physical limitations of the acquisition sensor, and also regarding imprecisions during the data transmission and manipulation. In that sense, the…

Machine Learning · Computer Science 2021-01-20 Rafael G. Pires , Daniel F. S. Santos , Marcos C. S. Santana , Claudio F. G. Santos , Joao P. Papa

Deep learning has successfully been leveraged for medical image segmentation. It employs convolutional neural networks (CNN) to learn distinctive image features from a defined pixel-wise objective function. However, this approach can lead…

Image and Video Processing · Electrical Eng. & Systems 2021-03-05 Kibrom Berihu Girum , Gilles Créhange , Alain Lalande

2D/3D image registration to align a 3D volume and 2D X-ray images is a challenging problem due to its ill-posed nature and various artifacts presented in 2D X-ray images. In this paper, we propose a multi-agent system with an auto attention…

Computer Vision and Pattern Recognition · Computer Science 2017-12-06 Shun Miao , Sebastien Piat , Peter Fischer , Ahmet Tuysuzoglu , Philip Mewes , Tommaso Mansi , Rui Liao

In general, the problem of non-rigid registration is about matching two different scans of a dynamic object taken at two different points in time. These scans can undergo both rigid motions and non-rigid deformations. Since new parts of the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Alireza Ahmadi

We present SyNoRiM, a novel way to jointly register multiple non-rigid shapes by synchronizing the maps relating learned functions defined on the point clouds. Even though the ability to process non-rigid shapes is critical in various…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Jiahui Huang , Tolga Birdal , Zan Gojcic , Leonidas J. Guibas , Shi-Min Hu

Affine registration of one or several brain image(s) onto a common reference space is a necessary prerequisite for many image processing tasks, such as brain segmentation or functional analysis. Manual assessment of registration quality is…

Image and Video Processing · Electrical Eng. & Systems 2020-09-17 Baudouin Denis de Senneville , José V. Manjon , Pierrick Coupé

Semantic segmentation with deep learning has achieved great progress in classifying the pixels in the image. However, the local location information is usually ignored in the high-level feature extraction by the deep learning, which is…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Yi Lu , Yaran Chen , Dongbin Zhao , Jianxin Chen

Recently, vision-based Advanced Driver Assist Systems have gained broad interest. In this work, we investigate free-space detection, for which we propose to employ a Fully Convolutional Network (FCN). We show that this FCN can be trained in…

Computer Vision and Pattern Recognition · Computer Science 2017-01-06 Willem P. Sanberg , Gijs Dubbelman , Peter H. N. de With

Non-rigid registration is a necessary but challenging task in medical imaging studies. Recently, unsupervised registration models have shown good performance, but they often require a large-scale training dataset and long training times.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Heejung Park , Gyeong Min Lee , Soopil Kim , Ga Hyung Ryu , Areum Jeong , Sang Hyun Park , Min Sagong

Registration is a fundamental task in medical robotics and is often a crucial step for many downstream tasks such as motion analysis, intra-operative tracking and image segmentation. Popular registration methods such as ANTs and NiftyReg…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Wentao Zhu , Yufang Huang , Daguang Xu , Zhen Qian , Wei Fan , Xiaohui Xie

We examine in this paper the problem of image registration from the new perspective where images are given by sparse approximations in parametric dictionaries of geometric functions. We propose a registration algorithm that looks for an…

Computer Vision and Pattern Recognition · Computer Science 2013-12-31 Alhussein Fawzi , Pascal Frossard

This paper considers a convolutional neural network transformation that reduces computation complexity and thus speedups neural network processing. Usage of convolutional neural networks (CNN) is the standard approach to image recognition…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Elena Limonova , Alexander Sheshkus , Dmitry Nikolaev