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Ultrasound (US) imaging is based on the time-reversal principle, in which individual channel RF measurements are back-propagated and accumulated to form an image after applying specific delays. While this time reversal is usually…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Shujaat Khan , Jaeyoung Huh , Jong Chul Ye

Ultrasound imaging serves as an effective and non-invasive diagnostic tool commonly employed in clinical examinations. However, the presence of speckle noise in ultrasound images invariably degrades image quality, impeding the performance…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Zhenyu Bu , Kai-Ni Wang , Fuxing Zhao , Shengxiao Li , Guang-Quan Zhou

Medical Ultrasound (US), despite its wide use, is characterized by artifacts and operator dependency. Those attributes hinder the gathering and utilization of US datasets for the training of Deep Neural Networks used for Computer-Assisted…

Image and Video Processing · Electrical Eng. & Systems 2021-05-06 Maria Tirindelli , Christine Eilers , Walter Simson , Magdalini Paschali , Mohammad Farid Azampour , Nassir Navab

Face recognition has already been well studied under the visible light and the infrared,in both intra-spectral and cross-spectral cases. However, how to fuse different light bands, i.e., hyperspectral face recognition, is still an open…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Zhicheng Cao , Xi Cen , Liaojun Pang

While much progress has been made on the task of 3D point cloud registration, there still exists no learning-based method able to estimate the 6D pose of an object observed by a 2.5D sensor in a scene. The challenges of this scenario…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Zheng Dang , Fei Wang , Mathieu Salzmann

In this work, we propose a self-supervised learning method for affine image registration on 3D medical images. Unlike optimisation-based methods, our affine image registration network (AIRNet) is designed to directly estimate the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Evelyn Chee , Zhenzhou Wu

Deep neural networks have achieved strong performance in image classification tasks due to their ability to learn complex patterns from high-dimensional data. However, their large computational and memory requirements often limit deployment…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Sai Shi

Image segmentation plays a pivotal role in several medical-imaging applications by assisting the segmentation of the regions of interest. Deep learning-based approaches have been widely adopted for semantic segmentation of medical data. In…

Image and Video Processing · Electrical Eng. & Systems 2021-01-20 Abhishek Shivdeo , Rohit Lokwani , Viraj Kulkarni , Amit Kharat , Aniruddha Pant

Liver tumor ablation procedures require accurate placement of the needle applicator at the tumor centroid. The lower-cost and real-time nature of ultrasound (US) has advantages over computed tomography (CT) for applicator guidance, however,…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Shuwei Xing , Derek W. Cool , David Tessier , Elvis C. S. Chen , Terry M. Peters , Aaron Fenster

Deep Learning-based 2D/3D registration enables fast, robust, and accurate X-ray to CT image fusion when large annotated paired datasets are available for training. However, the need for paired CT volume and X-ray images with ground truth…

Image and Video Processing · Electrical Eng. & Systems 2022-10-17 Srikrishna Jaganathan , Maximilian Kukla , Jian Wang , Karthik Shetty , Andreas Maier

Deep neural network (DNN) based approaches have been widely investigated and deployed in medical image analysis. For example, fully convolutional neural networks (FCN) achieve the state-of-the-art performance in several applications of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Dong Yang , Holger Roth , Ziyue Xu , Fausto Milletari , Ling Zhang , Daguang Xu

3D image segmentation is a recent and crucial step in many medical analysis and recognition schemes. In fact, it represents a relevant research subject and a fundamental challenge due to its importance and influence. This paper provides a…

Image and Video Processing · Electrical Eng. & Systems 2022-07-22 Omar Boudraa

Synthetic Aperture Radar (SAR) images are often contaminated by a multiplicative noise known as speckle. Speckle makes the processing and interpretation of SAR images difficult. We propose a deep learning-based approach called, Image…

Computer Vision and Pattern Recognition · Computer Science 2018-06-27 Puyang Wang , He Zhang , Vishal M. Patel

This study presents a deep learning methodology using 3-dimensional (3D) convolutional neural networks to detect defects in carbon fiber reinforced polymer composites through volumetric ultrasonic testing data. Acquiring large amounts of…

Image and Video Processing · Electrical Eng. & Systems 2024-11-13 Shaun McKnight , Christopher MacKinnon , S. Gareth Pierce , Ehsan Mohseni , Vedran Tunukovic , Charles N. MacLeod , Randika K. W. Vithanage , Tom OHare

Recent researches have achieved great progress on single image super-resolution(SISR) due to the development of deep learning in the field of computer vision. In these method, the high resolution input image is down-scaled to low resolution…

Image and Video Processing · Electrical Eng. & Systems 2021-01-12 Zhengyang Lu , Ying Chen

This study investigates the use of the unsupervised deep learning framework VoxelMorph for deformable registration of longitudinal abdominopelvic CT images acquired in patients with bone metastases from breast cancer. The CT images were…

Point cloud registration aligns 3D point clouds using spatial transformations. It is an important task in computer vision, with applications in areas such as augmented reality (AR) and medical imaging. This work explores the intersection of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Maximilian Weber , Daniel Wild , Jens Kleesiek , Jan Egger , Christina Gsaxner

We describe an adversarial learning approach to constrain convolutional neural network training for image registration, replacing heuristic smoothness measures of displacement fields often used in these tasks. Using minimally-invasive…

Much progress has been made on the task of learning-based 3D point cloud registration, with existing methods yielding outstanding results on standard benchmarks, such as ModelNet40, even in the partial-to-partial matching scenario.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Zheng Dang , Lizhou Wang , Junning Qiu , Minglei Lu , Mathieu Salzmann

Recently, deep learning methods such as the convolutional neural networks have gained prominence in the area of image denoising. This is owing to their proven ability to surpass state-of-the-art classical image denoising algorithms such as…

Image and Video Processing · Electrical Eng. & Systems 2024-09-02 Basit O. Alawode , Mudassir Masood
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