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High-quality 3D fetal brain MRI reconstruction from motion-corrupted 2D slices is crucial for clinical diagnosis. Reliable slice-to-volume registration (SVR)-based motion correction and super-resolution reconstruction (SRR) methods are…

Image and Video Processing · Electrical Eng. & Systems 2025-05-27 Jiangjie Wu , Lixuan Chen , Zhenghao Li , Xin Li , Saban Ozturk , Lihui Wang , Rongpin Wang , Hongjiang Wei , Yuyao Zhang

Object-level segmentation in dynamic 4D Gaussian scenes remains challenging due to complex motion, occlusions, and ambiguous boundaries. In this paper, we present an efficient learning-free 4D Gaussian segmentation framework that lifts…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 He Wu , Xia Yan , Yanghui Xu , Liegang Xia , Jiazhou Chen

Finding the eye and parsing out the parts (e.g. pupil and iris) is a key prerequisite for image-based eye tracking, which has become an indispensable module in today's head-mounted VR/AR devices. However, a typical route for training a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Jiangfan Deng , Zhuang Jia , Zhaoxue Wang , Xiang Long , Daniel K. Du

In recent years, deep learning has become a very active research tool which is used in many image processing fields. In this paper, we propose an effective image fusion method using a deep learning framework to generate a single image which…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Hui Li , Xiao-Jun Wu , Josef Kittler

Precise image segmentation provides clinical study with instructive information. Despite the remarkable progress achieved in medical image segmentation, there is still an absence of a 3D foundation segmentation model that can segment a wide…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Yuxin Du , Fan Bai , Tiejun Huang , Bo Zhao

Referring image segmentation (RIS) aims to find a segmentation mask given a referring expression grounded to a region of the input image. Collecting labelled datasets for this task, however, is notoriously costly and labor-intensive. To…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Seonghoon Yu , Paul Hongsuck Seo , Jeany Son

As a fundamental task in computer vision, semantic segmentation is widely applied in fields such as autonomous driving, remote sensing image analysis, and medical image processing. In recent years, Transformer-based segmentation methods…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Tai An , Weiqiang Huang , Da Xu , Qingyuan He , Jiacheng Hu , Yujia Lou

Iris-based biometric identification is increasingly recognized for its significant accuracy and long-term stability compared to other biometric modalities such as fingerprints or facial features. However, all biometric modalities are highly…

Cryptography and Security · Computer Science 2026-03-31 Christina Karakosta , Lian Alhedaithy , William J. Knottenbelt

In recent years, several automatic segmentation methods have been proposed for blood vessels in retinal fundus images, ranging from using cheap and fast trainable filters to complicated neural networks and even deep learning. One example of…

Image and Video Processing · Electrical Eng. & Systems 2019-05-30 Michiel Straat , Jorrit Oosterhof

We propose a novel feature re-identification method for real-time visual-inertial SLAM. The front-end module of the state-of-the-art visual-inertial SLAM methods (e.g. visual feature extraction and matching schemes) relies on feature tracks…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Xiongfeng Peng , Zhihua Liu , Qiang Wang , Yun-Tae Kim , Myungjae Jeon

Although recent works based on deep learning have made progress in improving recognition accuracy on scene text recognition, how to handle low-quality text images in end-to-end deep networks remains a research challenge. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Zhiwei Jia , Shugong Xu , Shiyi Mu , Yue Tao , Shan Cao , Zhiyong Chen

Disentangled representations can be useful in many downstream tasks, help to make deep learning models more interpretable, and allow for control over features of synthetically generated images that can be useful in training other models…

Computer Vision and Pattern Recognition · Computer Science 2021-03-22 Aadhithya Sankar , Matthias Keicher , Rami Eisawy , Abhijeet Parida , Franz Pfister , Seong Tae Kim , Nassir Navab

The physiological and behavioral trait is employed to develop biometric authentication systems. The proposed work deals with the authentication of iris and signature based on minimum variance criteria. The iris patterns are preprocessed…

Computer Vision and Pattern Recognition · Computer Science 2010-07-15 S. V. Sheela , K. R. Radhika

This work explores the application of Federated Learning (FL) to Unsupervised Semantic image Segmentation (USS). Recent USS methods extract pixel-level features using frozen visual foundation models and refine them through self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Evangelos Charalampakis , Vasileios Mygdalis , Ioannis Pitas

Functional Magnetic Resonance Imaging (fMRI) is vital in neuroscience, enabling investigations into brain disorders, treatment monitoring, and brain function mapping. However, head motion during fMRI scans, occurring between shots of slice…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Samah Khawaled , Simon K. Warfield , Moti Freiman

Decoding visual stimuli from neural responses recorded by functional Magnetic Resonance Imaging (fMRI) presents an intriguing intersection between cognitive neuroscience and machine learning, promising advancements in understanding human…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Jingyuan Sun , Mingxiao Li , Zijiao Chen , Yunhao Zhang , Shaonan Wang , Marie-Francine Moens

The physiological and behavioral trait is employed to develop biometric authentication systems. The proposed work deals with the authentication of iris and signature based on minimum variance criteria. The iris patterns are preprocessed…

Computer Vision and Pattern Recognition · Computer Science 2010-08-11 S. V. Sheela , K. R. Radhika

Purpose: Deep learning methods have shown promising results in the segmentation, and detection of diseases in medical images. However, most methods are trained and tested on data from a single source, modality, organ, or disease type,…

Image and Video Processing · Electrical Eng. & Systems 2025-08-20 Nchongmaje Ndipenocha , Alina Mirona , Kezhi Wanga , Yongmin Li

Shape- and scale-selective digital-filters, with steerable finite/infinite impulse responses (FIR/IIRs) and non-recursive/recursive realizations, that are separable in both spatial dimensions and adequately isotropic, are derived. The…

Signal Processing · Electrical Eng. & Systems 2020-08-19 Hugh L. Kennedy

Vascular structures in the retina contain important information for the detection and analysis of ocular diseases, including age-related macular degeneration, diabetic retinopathy and glaucoma. Commonly used modalities in diagnosis of these…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Erick O. Rodrigues , Aura Conci , Panos Liatsis