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We present a deep learning framework for accurate visual correspondences and demonstrate its effectiveness for both geometric and semantic matching, spanning across rigid motions to intra-class shape or appearance variations. In contrast to…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Christopher B. Choy , JunYoung Gwak , Silvio Savarese , Manmohan Chandraker

Incorporating deep learning (DL) classification models into unmanned aerial vehicles (UAVs) can significantly augment search-and-rescue operations and disaster management efforts. In such critical situations, the UAV's ability to promptly…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Gao Yu Lee , Tanmoy Dam , Md Meftahul Ferdaus , Daniel Puiu Poenar , Vu N. Duong

Many applications in computational and experimental fluid mechanics require effective methods for reconstructing the flow fields from limited sensor data. However, this task remains a significant challenge because the measurement operator,…

Fluid Dynamics · Physics 2024-11-22 Phong C. H. Nguyen , Joseph B. Choi , Quang-Trung Luu

In computed tomography (CT), data truncation is a common problem. Images reconstructed by the standard filtered back-projection algorithm from truncated data suffer from cupping artifacts inside the field-of-view (FOV), while anatomical…

Image and Video Processing · Electrical Eng. & Systems 2019-12-10 Yixing Huang , Lei Gao , Alexander Preuhs , Andreas Maier

In this study, we developed deep learning-based method to classify the type of surgery performed for epiretinal membrane (ERM) removal, either internal limiting membrane (ILM) removal or ERM-alone removal. Our model, based on the ResNet18…

Image and Video Processing · Electrical Eng. & Systems 2025-07-02 An Le , Nehal Mehta , William Freeman , Ines Nagel , Melanie Tran , Anna Heinke , Akshay Agnihotri , Lingyun Cheng , Dirk-Uwe Bartsch , Hung Nguyen , Truong Nguyen , Cheolhong An

Continuous normalizing flows (CNFs) and diffusion models (DMs) generate high-quality data from a noise distribution. However, their sampling process demands multiple iterations to solve an ordinary differential equation (ODE) with high…

Machine Learning · Computer Science 2025-11-19 Denis Gudovskiy , Wenzhao Zheng , Tomoyuki Okuno , Yohei Nakata , Kurt Keutzer

Optical Coherence Tomography (OCT) imaging is pivotal in diagnosing ophthalmic conditions by providing detailed cross-sectional images of the anterior and posterior segments of the eye. Nonetheless, speckle noise and other imaging artifacts…

Image and Video Processing · Electrical Eng. & Systems 2024-09-26 Akkidas Noel Prakash , Jahnvi Sai Ganta , Ramaswami Krishnadas , Tin A. Tunc , Satish K Panda

Optical Coherence Tomography (OCT) is one of the most important retinal imaging technique. However, involuntary motion artifacts still pose a major challenge in OCT imaging that compromises the quality of downstream analysis, such as…

Image and Video Processing · Electrical Eng. & Systems 2023-05-31 Yiqian Wang , Alexandra Warter , Melina Cavichini , Varsha Alex , Dirk-Uwe G. Bartsch , William R. Freeman , Truong Q. Nguyen , Cheolhong An

Early detection of lung cancer is crucial as it increases the chances of successful treatment. Automatic lung image segmentation assists doctors in identifying diseases such as lung cancer, COVID-19, and respiratory disorders. However, lung…

Image and Video Processing · Electrical Eng. & Systems 2024-10-22 Sadjad Rezvani , Mansoor Fateh , Yeganeh Jalali , Amirreza Fateh

Automatic motion compensation and adjustment of an intraoperative imaging modality's field of view is a common problem during interventions. Optical coherence tomography (OCT) is an imaging modality which is used in interventions due to its…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Nils Gessert , Martin Gromniak , Matthias Schlüter , Alexander Schlaefer

Deep learning based solutions are being succesfully implemented for a wide variety of applications. Most notably, clinical use-cases have gained an increased interest and have been the main driver behind some of the cutting-edge data-driven…

Image and Video Processing · Electrical Eng. & Systems 2023-04-04 Theodor Cheslerean-Boghiu , Felix C. Hofmann , Manuel Schultheiß , Franz Pfeiffer , Daniela Pfeiffer , Tobias Lasser

Accurately segmenting fluid in 3D optical coherence tomography (OCT) images is critical for detecting eye diseases but remains challenging. Traditional autoencoder-based methods struggle with resolution loss and information recovery. While…

Image and Video Processing · Electrical Eng. & Systems 2025-01-06 Khondker Fariha Hossain , Sharif Amit Kamran , Alireza Tavakkoli , George Bebis , Sal Baker

Single-shot imaging with femtosecond X-ray lasers is a powerful measurement technique that can achieve both high spatial and temporal resolution. However, its accuracy has been severely limited by the difficulty of applying conventional…

In this paper, we present a learning based approach to depth fusion, i.e., dense 3D reconstruction from multiple depth images. The most common approach to depth fusion is based on averaging truncated signed distance functions, which was…

Computer Vision and Pattern Recognition · Computer Science 2017-11-02 Gernot Riegler , Ali Osman Ulusoy , Horst Bischof , Andreas Geiger

Recent advances in representation learning often rely on holistic embeddings that entangle multiple semantic components, limiting interpretability and generalization. These issues are especially critical in medical imaging, where downstream…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Sifan Song , Siyeop Yoon , Pengfei Jin , Sekeun Kim , Matthew Tivnan , Yujin Oh , Runqi Meng , Ling Chen , Zhiliang Lyu , Dufan Wu , Ning Guo , Xiang Li , Quanzheng Li

Weak spectral responses in hyperspectral images are often obscured by dominant endmembers and sensor noise, resulting in inaccurate abundance estimation. This paper introduces WS-Net, a deep unmixing framework specifically designed to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Zekun Long , Ali Zia , Guanyiman Fu , Vivien Rolland , Jun Zhou

X-ray Computed Tomography (CT) is one of the most important diagnostic imaging techniques in clinical applications. Sparse-view CT imaging reduces the number of projection views to a lower radiation dose and alleviates the potential risk of…

Image and Video Processing · Electrical Eng. & Systems 2024-11-22 Xiaohong Fan , Ke Chen , Huaming Yi , Yin Yang , Jianping Zhang

This study is to demonstrate deep learning for automated artery-vein (AV) classification in optical coherence tomography angiography (OCTA). The AV-Net, a fully convolutional network (FCN) based on modified U-shaped CNN architecture,…

Image and Video Processing · Electrical Eng. & Systems 2020-06-09 Minhaj Alam , David Le , Taeyoon Son , Jennifer I. Lim , Xincheng Yao

X-ray computed tomography (CT) is widely used in medical imaging, with sparse-view reconstruction offering an effective way to reduce radiation dose. However, ill-posed conditions often result in severe streak artifacts. Recent advances in…

Image and Video Processing · Electrical Eng. & Systems 2025-12-30 Jiashu Dong , Jiabing Xiang , Lisheng Geng , Suqing Tian , Wei Zhao

Diffusion-based methods have shown great promise in single image super-resolution (SISR); however, existing approaches often produce blurred fine details due to insufficient guidance in the high-frequency domain. To address this issue, we…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Chao Yang , Boqian Zhang , Jinghao Xu , Guang Jiang