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Self-supervised image denoising methods have garnered significant research attention in recent years, for this kind of method reduces the requirement of large training datasets. Compared to supervised methods, self-supervised methods rely…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Hanze Liu , Jiahong Fu , Qi Xie , Deyu Meng

The motivation of this paper is to address the problem of registering airborne LiDAR data and optical aerial or satellite imagery acquired from different platforms, at different times, with different points of view and levels of detail. In…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Thanh Huy Nguyen , Sylvie Daniel , Didier Gueriot , Christophe Sintes , Jean-Marc Le Caillec

Image keypoint descriptions that are discriminative and matchable over large changes in viewpoint are vital for 3D reconstruction. However, descriptions output by learned descriptors are typically not robust to camera rotation. While they…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Georg Bökman , Johan Edstedt , Michael Felsberg , Fredrik Kahl

Performance of neural networks can be significantly improved by encoding known invariance for particular tasks. Many image classification tasks, such as those related to cellular imaging, exhibit invariance to rotation. We present a novel…

Machine Learning · Statistics 2018-06-01 Benjamin Chidester , Minh N. Do , Jian Ma

Underwater automatic target recognition (UATR) has been a challenging research topic in ocean engineering. Although deep learning brings opportunities for target recognition on land and in the air, underwater target recognition techniques…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Xiaoteng Zhou , Changli Yu , Shihao Yuan , Xin Yuan , Hangchi Yu , Citong Luo

Image registration estimates spatial correspondences between a pair of images. These estimates are typically obtained via numerical optimization or regression by a deep network. A desirable property of such estimators is that a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Hastings Greer , Lin Tian , Francois-Xavier Vialard , Roland Kwitt , Raul San Jose Estepar , Marc Niethammer

Tomographic image reconstruction is relevant for many medical imaging modalities including X-ray, ultrasound (US) computed tomography (CT) and photoacoustics, for which the access to full angular range tomographic projections might be not…

Image and Video Processing · Electrical Eng. & Systems 2019-06-14 Valery Vishnevskiy , Richard Rau , Orcun Goksel

Object detection in aerial images is an active yet challenging task in computer vision because of the birdview perspective, the highly complex backgrounds, and the variant appearances of objects. Especially when detecting densely packed…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Jian Ding , Nan Xue , Yang Long , Gui-Song Xia , Qikai Lu

Ultrasound imaging is a cost-effective and radiation-free modality for visualizing anatomical structures in real-time, making it ideal for guiding surgical interventions. However, its limited field-of-view, speckle noise, and imaging…

Image and Video Processing · Electrical Eng. & Systems 2024-04-26 Remi Delaunay , Ruisi Zhang , Filipe C. Pedrosa , Navid Feizi , Dianne Sacco , Rajni Patel , Jayender Jagadeesan

Medical image registration is vital for disease diagnosis and treatment with its ability to merge diverse information of images, which may be captured under different times, angles, or modalities. Although several surveys have reviewed the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Qiushi Nie , Xiaoqing Zhang , Yan Hu , Mingdao Gong , Jiang Liu

The correlation of optical measurements with a correct pathology label is often hampered by imprecise registration caused by deformations in histology images. This study explores an automated multi-modal image registration technique…

Image and Video Processing · Electrical Eng. & Systems 2023-11-27 Lianne Feenstra , Maud Lambregts , Theo J. M Ruers , Behdad Dashtbozorg

Registration is widely used in image-guided therapy and image-guided surgery to estimate spatial correspondences between organs of interest between planning and treatment images. However, while high-quality computed tomography (CT) images…

Image and Video Processing · Electrical Eng. & Systems 2022-03-11 Lin Tian , Connor Puett , Peirong Liu , Zhengyang Shen , Stephen R. Aylward , Yueh Z. Lee , Marc Niethammer

Non-rigid inter-modality registration can facilitate accurate information fusion from different modalities, but it is challenging due to the very different image appearances across modalities. In this paper, we propose to train a non-rigid…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Xiaohuan Cao , Jianhua Yang , Li Wang , Zhong Xue , Qian Wang , Dinggang Shen

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

Deformable image registration plays a fundamental role in medical image analysis by enabling spatial alignment of anatomical structures across subjects. While recent deep learning-based approaches have significantly improved computational…

Image and Video Processing · Electrical Eng. & Systems 2026-03-24 Jiaqi Shang , Haojin Wu , Yinyi Lai , Zongyu Li , Chenghao Zhang , Jia Guo

Existing image-to-image transformation approaches primarily focus on synthesizing visually pleasing data. Generating images with correct identity labels is challenging yet much less explored. It is even more challenging to deal with image…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Wei Xiong , Yutong He , Yixuan Zhang , Wenhan Luo , Lin Ma , Jiebo Luo

Synthetic Aperture Radar (SAR) and optical image registration is essential for remote sensing data fusion, with applications in military reconnaissance, environmental monitoring, and disaster management. However, challenges arise from…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Wenfei Zhang , Ruipeng Zhao , Yongxiang Yao , Yi Wan , Peihao Wu , Jiayuan Li , Yansheng Li , Yongjun Zhang

Image registration is a fundamental step in medical image analysis. Ideally, the transformation that registers one image to another should be a diffeomorphism that is both invertible and smooth. Traditional methods like geodesic shooting…

Computer Vision and Pattern Recognition · Computer Science 2019-07-02 Dongyang Kuang

In breast surgical planning, accurate registration of MR images across patient positions has the potential to improve the localisation of tumours during breast cancer treatment. While learning-based registration methods have recently become…

We propose a coercive approach to simultaneously register and segment multi-modal images which share similar spatial structure. Registration is done at the region level to facilitate data fusion while avoiding the need for interpolation.…

Computer Vision and Pattern Recognition · Computer Science 2015-11-19 Yu-Hui Chen , Dennis Wei , Gregory Newstadt , Jeffrey Simmons , Alfred Hero