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Image segmentation is a fundamental and challenging problem in computer vision with applications spanning multiple areas, such as medical imaging, remote sensing, and autonomous vehicles. Recently, convolutional neural networks (CNNs) have…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Ali Hatamizadeh

Computer-aided diagnosis for low-dose computed tomography (CT) based on deep learning has recently attracted attention as a first-line automatic testing tool because of its high accuracy and low radiation exposure. However, existing methods…

图像与视频处理 · 电气工程与系统科学 2022-06-28 Kyung-Su Kim , Seong Je Oh , Ju Hwan Lee , Myung Jin Chung

By acquiring two sets of tomographic measurements at distinct X-ray spectra, the dual-energy CT (DECT) enables quantitative material-specific imaging. However, the conventionally decomposed material basis images may encounter severe image…

Deep learning-based segmentation methods are widely utilized for detecting lesions in ultrasound images. Throughout the imaging procedure, the attenuation and scattering of ultrasound waves cause contour blurring and the formation of…

图像与视频处理 · 电气工程与系统科学 2024-11-22 Ruiguo Yu , Yiyang Zhang , Yuan Tian , Zhiqiang Liu , Xuewei Li , Jie Gao

Ultrasound (US) image segmentation embraced its significant improvement in deep learning era. However, the lack of sharp boundaries in US images still remains an inherent challenge for segmentation. Previous methods often resort to global…

图像与视频处理 · 电气工程与系统科学 2020-10-13 Haoming Li , Xin Yang , Jiamin Liang , Wenlong Shi , Chaoyu Chen , Haoran Dou , Rui Li , Rui Gao , Guangquan Zhou , Jinghui Fang , Xiaowen Liang , Ruobing Huang , Alejandro Frangi , Zhiyi Chen , Dong Ni

Medical Ultrasound (US) is one of the most widely used imaging modalities in clinical practice, but its usage presents unique challenges such as variable imaging quality. Deep Learning (DL) models can serve as advanced medical US image…

图像与视频处理 · 电气工程与系统科学 2023-10-06 Zhaoshan Liu , Qiujie Lv , Chau Hung Lee , Lei Shen

Domain adaptation, which bridges the distributions across different modalities, plays a crucial role in multimodal medical image analysis. In endoscopic imaging, combining pre-operative data with intra-operative imaging is important for…

图像与视频处理 · 电气工程与系统科学 2025-07-16 Junyang Wu , Fangfang Xie , Jiayuan Sun , Yun Gu , Guang-Zhong Yang

Motion artifacts caused by prolonged acquisition time are a significant challenge in Magnetic Resonance Imaging (MRI), hindering accurate tissue segmentation. These artifacts appear as blurred images that mimic tissue-like appearances,…

图像与视频处理 · 电气工程与系统科学 2024-12-06 Sunyoung Jung , Yoonseok Choi , Mohammed A. Al-masni , Minyoung Jung , Dong-Hyun Kim

Ultrasound image quality has continually been improving. However, when needles or other metallic objects are operating inside the tissue, the resulting reverberation artifacts can severely corrupt the surrounding image quality. Such effects…

图像与视频处理 · 电气工程与系统科学 2022-03-10 Alex Ling Yu Hung , Edward Chen , John Galeotti

Multimodal medical image fusion is a crucial task that combines complementary information from different imaging modalities into a unified representation, thereby enhancing diagnostic accuracy and treatment planning. While deep learning…

图像与视频处理 · 电气工程与系统科学 2024-11-19 Meng Zhou , Yuxuan Zhang , Xiaolan Xu , Jiayi Wang , Farzad Khalvati

Quality control (QC) of MR images is essential to ensure that downstream analyses such as segmentation can be performed successfully. Currently, QC is predominantly performed visually and subjectively, at significant time and operator cost.…

图像与视频处理 · 电气工程与系统科学 2021-09-07 Richard Shaw , Carole H. Sudre , Sebastien Ourselin , M. Jorge Cardoso , Hugh G. Pemberton

Unsupervised domain adaptation is one of the challenging problems in computer vision. This paper presents a novel approach to unsupervised domain adaptations based on the optimal transport-based distance. Our approach allows aligning target…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Thanh-Dat Truong , Naga Venkata Sai Raviteja Chappa , Xuan Bac Nguyen , Ngan Le , Ashley Dowling , Khoa Luu

Recently, convolutional neural networks have shown promising performance for single-image super-resolution. In this paper, we propose Deep Artifact-Free Residual (DAFR) network which uses the merits of both residual learning and usage of…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Hamdollah Nasrollahi , Kamran Farajzadeh , Vahid Hosseini , Esmaeil Zarezadeh , Milad Abdollahzadeh

Computed tomography (CT) is an imaging modality widely used for medical diagnosis and treatment. CT images are often corrupted by undesirable artifacts when metallic implants are carried by patients, which creates the problem of metal…

图像与视频处理 · 电气工程与系统科学 2019-07-02 Wei-An Lin , Haofu Liao , Cheng Peng , Xiaohang Sun , Jingdan Zhang , Jiebo Luo , Rama Chellappa , Shaohua Kevin Zhou

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…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Nils Gessert , Martin Gromniak , Matthias Schlüter , Alexander Schlaefer

Deep Convolutional features extracted from a comprehensive labeled dataset, contain substantial representations which could be effectively used in a new domain. Despite the fact that generic features achieved good results in many visual…

计算机视觉与模式识别 · 计算机科学 2018-05-06 Qun Liu , Supratik Mukhopadhyay

Lossy image compression algorithms are pervasively used to reduce the size of images transmitted over the web and recorded on data storage media. However, we pay for their high compression rate with visual artifacts degrading the user…

计算机视觉与模式识别 · 计算机科学 2018-01-30 Lukas Cavigelli , Pascal Hager , Luca Benini

This paper shows that it is possible to train large and deep convolutional neural networks (CNN) for JPEG compression artifacts reduction, and that such networks can provide significantly better reconstruction quality compared to previously…

计算机视觉与模式识别 · 计算机科学 2016-05-03 Pavel Svoboda , Michal Hradis , David Barina , Pavel Zemcik

Electroencephalography (EEG) signals are often contaminated with artifacts. It is imperative to develop a practical and reliable artifact removal method to prevent misinterpretations of neural signals and underperformance of brain-computer…

信号处理 · 电气工程与系统科学 2021-11-23 Chun-Hsiang Chuang , Kong-Yi Chang , Chih-Sheng Huang , Tzyy-Ping Jung

Automated medical image segmentation is becoming increasingly crucial to modern clinical practice, driven by the growing demand for precise diagnosis, the push towards personalized treatment plans, and the advancements in machine learning…

图像与视频处理 · 电气工程与系统科学 2023-11-13 Tan-Hanh Pham , Xianqi Li , Kim-Doang Nguyen