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Many recent self-supervised frameworks for visual representation learning are based on certain forms of Siamese networks. Such networks are conceptually symmetric with two parallel encoders, but often practically asymmetric as numerous…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Xiao Wang , Haoqi Fan , Yuandong Tian , Daisuke Kihara , Xinlei Chen

In this work, we explore a deep learning based automated visual inspection and verification algorithm, based on the Siamese Neural Network architecture. Consideration is also given to how the input pairs of images can affect the performance…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 John Oyekan , Liam Quantrill , Christopher Turner , Ashutosh Tiwari

In this work, we propose a deep learning approach for parallel magnetic resonance imaging (MRI) reconstruction, termed a variable splitting network (VS-Net), for an efficient, high-quality reconstruction of undersampled multi-coil MR data.…

Image and Video Processing · Electrical Eng. & Systems 2019-07-24 Jinming Duan , Jo Schlemper , Chen Qin , Cheng Ouyang , Wenjia Bai , Carlo Biffi , Ghalib Bello , Ben Statton , Declan P O'Regan , Daniel Rueckert

Most Siamese network-based trackers perform the tracking process without model update, and cannot learn targetspecific variation adaptively. Moreover, Siamese-based trackers infer the new state of tracked objects by generating axis-aligned…

Computer Vision and Pattern Recognition · Computer Science 2020-11-19 Yang Fang , Geun-Sik Jo , Chang-Hee Lee

Multi-spectral imagery is invaluable for remote sensing due to different spectral signatures exhibited by materials that often appear identical in greyscale and RGB imagery. Paired with modern deep learning methods, this modality has great…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Utkarsh Singhal , Stella X. Yu , Zackery Steck , Scott Kangas , Aaron A. Reite

Magnetic resonance imaging (MRI) reconstruction is an active inverse problem which can be addressed by conventional compressed sensing (CS) MRI algorithms that exploit the sparse nature of MRI in an iterative optimization-based manner.…

Computer Vision and Pattern Recognition · Computer Science 2019-06-13 Yuxiang Dai , Peixian Zhuang

Chest radiography is the most common medical image examination for screening and diagnosis in hospitals. Automatic interpretation of chest X-rays at the level of an entry-level radiologist can greatly benefit work prioritization and assist…

Image and Video Processing · Electrical Eng. & Systems 2020-08-11 Sandesh Ghimire , Satyananda Kashyap , Joy T. Wu , Alexandros Karargyris , Mehdi Moradi

Many real-world tasks such as classification of digital histopathology images and 3D object detection involve learning from a set of instances. In these cases, only a group of instances or a set, collectively, contains meaningful…

Machine Learning · Computer Science 2020-07-06 Shivam Kalra , Mohammed Adnan , Graham Taylor , Hamid Tizhoosh

Geometric shape features have been widely used as strong predictors for image classification. Nevertheless, most existing classifiers such as deep neural networks (DNNs) directly leverage the statistical correlations between these shape…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Tonmoy Hossain , Jing Ma , Jundong Li , Miaomiao Zhang

An important goal in visual recognition is to devise image representations that are invariant to particular transformations. In this paper, we address this goal with a new type of convolutional neural network (CNN) whose invariance is…

Computer Vision and Pattern Recognition · Computer Science 2015-01-08 Julien Mairal , Piotr Koniusz , Zaid Harchaoui , Cordelia Schmid

Convolutional neural networks (CNN) have been shown to provide a good solution for classification problems that utilize data obtained from vibrational spectroscopy. Moreover, CNNs are capable of identification from noisy spectra without the…

Signal Processing · Electrical Eng. & Systems 2018-06-27 Jinchao Liu , Stuart J. Gibson , James Mills , Margarita Osadchy

Objective: This paper investigates how generative models, trained on ground-truth images, can be used \changes{as} priors for inverse problems, penalizing reconstructions far from images the generator can produce. The aim is that learned…

Image and Video Processing · Electrical Eng. & Systems 2023-08-07 Margaret Duff , Ivor J. A. Simpson , Matthias J. Ehrhardt , Neill D. F. Campbell

Capsule networks are a recently proposed type of neural network shown to outperform alternatives in challenging shape recognition tasks. In capsule networks, scalar neurons are replaced with capsule vectors or matrices, whose entries…

Machine Learning · Computer Science 2019-12-04 Fabio De Sousa Ribeiro , Georgios Leontidis , Stefanos Kollias

Leveraging prior knowledge on intraclass variance due to transformations is a powerful method to improve the sample complexity of deep neural networks. This makes them applicable to practically important use-cases where training data is…

Machine Learning · Computer Science 2022-02-09 Matthias Rath , Alexandru Paul Condurache

The automatic identification of Magnetic Resonance Imaging (MRI) sequences can streamline clinical workflows by reducing the time radiologists spend manually sorting and identifying sequences, thereby enabling faster diagnosis and treatment…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Yuli Wang , Kritika Iyer , Sep Farhand , Yoshihisa Shinagawa

The Siamese network is becoming the mainstream in change detection of remote sensing images (RSI). However, in recent years, the development of more complicated structure, module and training processe has resulted in the cumbersome model,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Biyuan Liu , Huaixin Chen , Zhixi Wang

Learning invariant representations has been the long-standing approach to self-supervised learning. However, recently progress has been made in preserving equivariant properties in representations, yet do so with highly prescribed…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Miles Everett , Aiden Durrant , Mingjun Zhong , Georgios Leontidis

The performance of existing supervised neuron segmentation methods is highly dependent on the number of accurate annotations, especially when applied to large scale electron microscopy (EM) data. By extracting semantic information from…

Computer Vision and Pattern Recognition · Computer Science 2023-10-09 Yinda Chen , Wei Huang , Shenglong Zhou , Qi Chen , Zhiwei Xiong

Neural networks have been successfully used as classification models yielding state-of-the-art results when trained on a large number of labeled samples. These models, however, are more difficult to train successfully for semi-supervised…

Machine Learning · Computer Science 2021-09-13 Attaullah Sahito , Eibe Frank , Bernhard Pfahringer

We show how to train a fully convolutional neural network to perform inverse rendering from a single, uncontrolled image. The network takes an RGB image as input, regresses albedo and normal maps from which we compute lighting coefficients.…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Ye Yu , William A. P. Smith