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This paper presents three fully convolutional neural network architectures which perform change detection using a pair of coregistered images. Most notably, we propose two Siamese extensions of fully convolutional networks which use…

Computer Vision and Pattern Recognition · Computer Science 2018-10-22 Rodrigo Caye Daudt , Bertrand Le Saux , Alexandre Boulch

Deep learning has become the standard methodology to approach computer vision tasks when large amounts of labeled data are available. One area where traditional deep learning approaches fail to perform is one-shot learning tasks where a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-02 Stefan Schneider , Graham W. Taylor , Stefan Linquist , Stefan C. Kremer

Medical image recognition often faces the problem of insufficient data in practical applications. Image recognition and processing under few-shot conditions will produce overfitting, low recognition accuracy, low reliability and…

Image and Video Processing · Electrical Eng. & Systems 2024-03-18 Zihao Huang , Yue Wang , Weixing Xin , Xingtong Lin , Huizhen Li , Haowen Chen , Yizhen Lao , Xia Chen

Reliability and accuracy of iris biometric modality has prompted its large-scale deployment for critical applications such as border control and national ID projects. The extensive growth of iris recognition systems has raised apprehensions…

Computer Vision and Pattern Recognition · Computer Science 2017-10-31 Naman Kohli , Daksha Yadav , Mayank Vatsa , Richa Singh , Afzel Noore

Noisy data present in medical imaging datasets can often aid the development of robust models that are equipped to handle real-world data. However, if the bad data contains insufficient anatomical information, it can have a severe negative…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Niamh Belton , Aonghus Lawlor , Kathleen M. Curran

With the proliferation of image-based applications in various domains, the need for accurate and interpretable image similarity measures has become increasingly critical. Existing image similarity models often lack transparency, making it…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Ioannis E. Livieris , Emmanuel Pintelas , Niki Kiriakidou , Panagiotis Pintelas

We propose a method of aligning a source image to a target image, where the transform is specified by a dense vector field. The two images are encoded as feature hierarchies by siamese convolutional nets. Then a hierarchy of aligner modules…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Eric Mitchell , Stefan Keselj , Sergiy Popovych , Davit Buniatyan , H. Sebastian Seung

Face morphing attack detection is challenging and presents a concrete and severe threat for face verification systems. Reliable detection mechanisms for such attacks, which have been tested with a robust cross-database protocol and unknown…

Computer Vision and Pattern Recognition · Computer Science 2022-06-23 Juan Tapia , Daniel Schulz , Christoph Busch

This paper presents a study devoted to recognizing horses by means of their iris and periocular features using deep convolutional neural networks (DCNNs). Identification of race horses is crucial for animal identity confirmation prior to…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz , Mateusz Szadkowski

Ophthalmic diseases pose a significant global health burden. However, traditional diagnostic methods and existing monocular image-based deep learning approaches often overlook the pathological correlations between the two eyes. In practical…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Guohao Huo , Zibo Lin , Zitong Wang , Ruiting Dai , Hao Tang

Person Re-identification is defined as a recognizing process where the person is observed by non-overlapping cameras at different places. In the last decade, the rise in the applications and importance of Person Re-identification for…

Computer Vision and Pattern Recognition · Computer Science 2020-08-24 Sajad Amouei Sheshkal , Kazim Fouladi-Ghaleh , Hossein Aghababa

We revisit two popular convolutional neural networks (CNN) in person re-identification (re-ID), i.e, verification and classification models. The two models have their respective advantages and limitations due to different loss functions. In…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Zhedong Zheng , Liang Zheng , Yi Yang

Computer Aid Diagnosis (CAD) has developed digital pathology with Deep Learning (DL)-based tools to assist pathologists in decision-making. Content-Based Histopathological Image Retrieval (CBHIR) is a novel tool to seek highly correlated…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zahra Tabatabaei , Adrián Colomer , JAvier Oliver Moll , Valery Naranjo

Recent research has explored the possibility of automatically deducing information such as gender, age and race of an individual from their biometric data. While the face modality has been extensively studied in this regard, the iris…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Denton Bobeldyk , Arun Ross

The use of iris as a biometric trait is widely used because of its high level of distinction and uniqueness. Nowadays, one of the major research challenges relies on the recognition of iris images obtained in visible spectrum under…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Luiz A. Zanlorensi , Eduardo Luz , Rayson Laroca , Alceu S. Britto , Luiz S. Oliveira , David Menotti

We propose a new deep architecture for person re-identification (re-id). While re-id has seen much recent progress, spatial localization and view-invariant representation learning for robust cross-view matching remain key, unsolved…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Meng Zheng , Srikrishna Karanam , Ziyan Wu , Richard J. Radke

Iris recognition systems transform an iris image into a feature vector. The seminal pipeline segments an image into iris and non-iris pixels, normalizes this region into a fixed-dimension rectangle, and extracts features which are stored…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Sohaib Ahmad , Christopher Geiger , Benjamin Fuller

We describe in this paper a Two-Stream Siamese Neural Network for vehicle re-identification. The proposed network is fed simultaneously with small coarse patches of the vehicle shape's, with 96 x 96 pixels, in one stream, and fine features…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Icaro O. de Oliveira , Keiko V. O. Fonseca , Rodrigo Minetto

With the increasing adoption of iris recognition systems and the expansion of large-scale enrollment databases, there is a growing need to efficiently assess iris image quality at the time of acquisition, particularly to model user…

Image and Video Processing · Electrical Eng. & Systems 2025-10-24 Jack Pessaud , Eric Moran , John Nguyen , Joel Palko

Post-mortem iris recognition is an emerging application of iris-based human identification in a forensic setup. One factor that may be useful in conditioning iris recognition methods is the tissue decomposition level, which is correlated…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Rasel Ahmed Bhuiyan , Adam Czajka