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Assessing the severity of artifacts in pediatric brain Magnetic Resonance Imaging (MRI) is critical for diagnostic accuracy, especially in low-field systems where the signal-to-noise ratio is reduced. Manual quality assessment is…

图像与视频处理 · 电气工程与系统科学 2025-10-31 Alya Almsouti , Ainur Khamitova , Darya Taratynova , Mohammad Yaqub

We propose an adaptation to the training of Vision Transformers (ViTs) that allows for an explicit modeling of objects during the attention computation. This is achieved by adding a new branch to selected attention layers that computes an…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Vivek Trivedy , Amani Almalki , Longin Jan Latecki

The development of artificial intelligence models for macular edema (ME) analy-sis always relies on expert-annotated pixel-level image datasets which are expen-sive to collect prospectively. While anomaly-detection-based weakly-supervised…

图像与视频处理 · 电气工程与系统科学 2025-08-27 Yuhui Tao , Yizhe Zhang , Qiang Chen

Segmenting specific targets or biomarkers is necessary to analyze optical coherence tomography angiography (OCTA) images. Previous methods typically segment all the targets in an OCTA sample, such as retinal vessels (RVs). Although these…

机器学习 · 计算机科学 2024-03-21 Xinrun Chen , Chengliang Wang , Haojian Ning , Shiying Li , Mei Shen

The presence of metal implants within CT imaging causes severe attenuation of the X-ray beam. Due to the incomplete information recorded by CT detectors, artifacts in the form of streaks and dark bands would appear in the resulting CT…

In this work, we pursue a unified paradigm for multimodal pretraining to break the scaffolds of complex task/modality-specific customization. We propose OFA, a Task-Agnostic and Modality-Agnostic framework that supports Task…

计算机视觉与模式识别 · 计算机科学 2022-06-02 Peng Wang , An Yang , Rui Men , Junyang Lin , Shuai Bai , Zhikang Li , Jianxin Ma , Chang Zhou , Jingren Zhou , Hongxia Yang

The objective of the image inpainting task is to fill missing regions of an image in a visually plausible way. Recently, deep-learning-based image inpainting networks have generated outstanding results, and some utilize their models as…

计算机视觉与模式识别 · 计算机科学 2024-10-07 Changsuk Oh , H. Jin Kim

A polarization-multiplexed, dual-beam setup is proposed to expand the field of view for a swept source optical coherence tomography angiography (OCTA) system. This method used a Wollaston prism to split sample path light into two…

医学物理 · 物理学 2017-10-30 Jianlong Yang , Rahul Chandwani , Rui Zhao , Zhuo Wang , Yali Jia , David Huang , Gangjun Liu

This paper considers making active learning more sensible from a medical perspective. In practice, a disease manifests itself in different forms across patient cohorts. Existing frameworks have primarily used mathematical constructs to…

图像与视频处理 · 电气工程与系统科学 2022-06-28 Yash-yee Logan , Ryan Benkert , Ahmad Mustafa , Gukyeong Kwon , Ghassan AlRegib

Recent studies suggest that early stages of diabetic retinopathy (DR) can be diagnosed by monitoring vascular changes in the deep vascular complex. In this work, we investigate a novel method for automated DR grading based on optical…

图像与视频处理 · 电气工程与系统科学 2022-12-22 Linus Kreitner , Ivan Ezhov , Daniel Rueckert , Johannes C. Paetzold , Martin J. Menten

Motion blur caused by the moving of the object or camera during the exposure can be a key challenge for visual object tracking, affecting tracking accuracy significantly. In this work, we explore the robustness of visual object trackers…

计算机视觉与模式识别 · 计算机科学 2021-10-29 Qing Guo , Ziyi Cheng , Felix Juefei-Xu , Lei Ma , Xiaofei Xie , Yang Liu , Jianjun Zhao

Motion artifacts compromise the quality of magnetic resonance imaging (MRI) and pose challenges to achieving diagnostic outcomes and image-guided therapies. In recent years, supervised deep learning approaches have emerged as successful…

图像与视频处理 · 电气工程与系统科学 2024-08-15 Yusheng Zhou , Hao Li , Jianan Liu , Zhengmin Kong , Tao Huang , Euijoon Ahn , Zhihan Lv , Jinman Kim , David Dagan Feng

Semi-supervised learning has become increasingly popular in medical image segmentation due to its ability to leverage large amounts of unlabeled data to extract additional information. However, most existing semi-supervised segmentation…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Shengbo Gao , Ziji Zhang , Jiechao Ma , Zihao Li , Shu Zhang

Ring artifacts in computed tomography images, arising from the undesirable responses of detector units, significantly degrade image quality and diagnostic reliability. To address this challenge, we propose a dual-domain regularization model…

图像与视频处理 · 电气工程与系统科学 2024-03-18 Hongyang Zhu , Xin Lu , Yanwei Qin , Xinran Yu , Tianjiao Sun , Yunsong Zhao

Background: Cone-beam computed tomography (CBCT) scans, performed fractionally (e.g., daily or weekly), are widely utilized for patient alignment in the image-guided radiotherapy (IGRT) process, thereby making it a potential imaging…

Many leading self-supervised methods for unsupervised representation learning, in particular those for embedding image features, are built on variants of the instance discrimination task, whose optimization is known to be prone to…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Daniel Shalam , Simon Korman

Providing a promising pathway to link the human brain with external devices, Brain-Computer Interfaces (BCIs) have seen notable advancements in decoding capabilities, primarily driven by increasingly sophisticated techniques, especially…

人机交互 · 计算机科学 2024-01-09 Martin Wimpff , Mario Döbler , Bin Yang

Optical coherence tomography (OCT) has seen widespread success as an in vivo clinical diagnostic 3D imaging modality, impacting areas including ophthalmology, cardiology, and gastroenterology. Despite its many advantages, such as high…

In this paper, we address the challenge of image resolution variation for the Segment Anything Model (SAM). SAM, known for its zero-shot generalizability, exhibits a performance degradation when faced with datasets with varying image sizes.…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Yiran Song , Qianyu Zhou , Xiangtai Li , Deng-Ping Fan , Xuequan Lu , Lizhuang Ma

Optoacoustic (OA) imaging combined with reversibly photoswitchable proteins has emerged as a promising technology for the high-sensitivity and multiplexed imaging of cells in live tissues in preclinical research. Through carefully-designed…

光学 · 物理学 2025-02-10 Yan Liu , Jonathan Chuah , Yishu Huang , Andre C. Stiel , Michael Unser , Jonathan Dong
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