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Differentiating signals from the background in micrographs is a critical initial step for cryogenic electron microscopy (cryo-EM), yet it remains laborious due to low signal-to-noise ratio (SNR), the presence of contaminants and densely…

图像与视频处理 · 电气工程与系统科学 2025-09-30 Szu-Chi Chung , Po-Cheng Chou

Neural receivers have demonstrated strong performance in wireless communication systems. However, their effectiveness typically depends on access to large-scale, scenario-specific channel data for training, which is often difficult to…

信息论 · 计算机科学 2025-11-04 Xingyu Zhou , Le Liang , Xinjie Li , Jing Zhang , Peiwen Jiang , Xiao Li , Shi Jin

Myocardial contrast echocardiography (MCE) is an imaging technique that assesses left ventricle function and myocardial perfusion for the detection of coronary artery diseases. Automatic MCE perfusion quantification is challenging and…

计算机视觉与模式识别 · 计算机科学 2018-06-21 Yuanwei Li , Chin Pang Ho , Matthieu Toulemonde , Navtej Chahal , Roxy Senior , Meng-Xing Tang

Sign language transition generation seeks to convert discrete sign language segments into continuous sign videos by synthesizing smooth transitions. However,most existing methods merely concatenate isolated signs, resulting in poor visual…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Jiashu He , Jiayi He , Shengeng Tang , Huixia Ben , Lechao Cheng , Richang Hong

Recent breakthroughs in text-to-image diffusion models have significantly advanced the generation of high-fidelity, photo-realistic images from textual descriptions. Yet, these models often struggle with interpreting spatial arrangements…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Jiaqi Liu , Tao Huang , Chang Xu

Convolutional neural networks (CNN) have demonstrated their ability to segment 2D cardiac ultrasound images. However, despite recent successes according to which the intra-observer variability on end-diastole and end-systole images has been…

图像与视频处理 · 电气工程与系统科学 2022-05-09 Nathan Painchaud , Nicolas Duchateau , Olivier Bernard , Pierre-Marc Jodoin

One of the main challenges in current research on segmentation in cardiac ultrasound is the lack of large and varied labeled datasets and the differences in annotation conventions between datasets. This makes it difficult to design robust…

图像与视频处理 · 电气工程与系统科学 2025-02-28 Gilles Van De Vyver , Aksel Try Lenz , Erik Smistad , Sindre Hellum Olaisen , Bjørnar Grenne , Espen Holte , Håavard Dalen , Lasse Løvstakken

Semantic segmentation has made significant progress in recent years thanks to deep neural networks, but the common objective of generating a single segmentation output that accurately matches the image's content may not be suitable for…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Lukas Zbinden , Lars Doorenbos , Theodoros Pissas , Adrian Thomas Huber , Raphael Sznitman , Pablo Márquez-Neila

We are witnessing a revolution in conditional image synthesis with the recent success of large scale text-to-image generation methods. This success also opens up new opportunities in controlling the generation and editing process using…

计算机视觉与模式识别 · 计算机科学 2024-05-03 Burak Can Biner , Farrin Marouf Sofian , Umur Berkay Karakaş , Duygu Ceylan , Erkut Erdem , Aykut Erdem

Segmentation of the left atrial (LA) wall and endocardium from late gadolinium-enhanced (LGE) MRI is essential for quantifying atrial fibrosis in patients with atrial fibrillation. The development of accurate machine learning-based…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Yusri Al-Sanaani , Rebecca Thornhill , Sreeraman Rajan

Editing images with diffusion models under strict training-free constraints remains a significant challenge. While recent optimisation-based methods achieve strong zero-shot edits from text, they struggle to preserve identity and capture…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Niki Foteinopoulou , Ignas Budvytis , Stephan Liwicki

The accurate segmentation of guidewires in interventional cardiac fluoroscopy videos is crucial for computer-aided navigation tasks. Although deep learning methods have demonstrated high accuracy and robustness in wire segmentation, they…

计算机视觉与模式识别 · 计算机科学 2025-01-29 Shaoyan Pan , Yikang Liu , Lin Zhao , Eric Z. Chen , Xiao Chen , Terrence Chen , Shanhui Sun

Deep learning methods are the de-facto solutions to a multitude of medical image analysis tasks. Cardiac MRI segmentation is one such application which, like many others, requires a large number of annotated data so a trained network can…

图像与视频处理 · 电气工程与系统科学 2022-01-02 Youssef Skandarani , Pierre-Marc Jodoin , Alain Lalande

Segmentation of enhancement in LGE cardiac MRI is critical for diagnosing various ischemic and non-ischemic cardiomyopathies. However, creating pixel-level annotations for these images is challenging and labor-intensive, leading to limited…

人工智能 · 计算机科学 2026-03-20 Athira J. Jacob , Puneet Sharma , Daniel Rueckert

Text to image latent diffusion models have recently advanced medical image synthesis, but applications to 3D CT generation remain limited. Existing approaches rely on simplified prompts, neglecting the rich semantic detail in full radiology…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Sina Amirrajab , Zohaib Salahuddin , Sheng Kuang , Henry C. Woodruff , Philippe Lambin

Electrocardiogram (ECG) synthesis is the area of research focused on generating realistic synthetic ECG signals for medical use without concerns over annotation costs or clinical data privacy restrictions. Traditional ECG generation models…

计算与语言 · 计算机科学 2023-03-17 Hyunseung Chung , Jiho Kim , Joon-myoung Kwon , Ki-Hyun Jeon , Min Sung Lee , Edward Choi

Current semantic segmentation models typically require a substantial amount of manually annotated data, a process that is both time-consuming and resource-intensive. Alternatively, leveraging advanced text-to-image models such as Midjourney…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Bo Gao , Jianhui Wang , Xinyuan Song , Yangfan He , Fangxu Xing , Tianyu Shi

Medical image segmentation has immense clinical applicability but remains a challenge despite advancements in deep learning. The Segment Anything Model (SAM) exhibits potential in this field, yet the requirement for expertise intervention…

计算机视觉与模式识别 · 计算机科学 2023-11-14 Yinsong Xu , Jiaqi Tang , Aidong Men , Qingchao Chen

Existing methods for instance segmentation in videos typically involve multi-stage pipelines that follow the tracking-by-detection paradigm and model a video clip as a sequence of images. Multiple networks are used to detect objects in…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Ali Athar , Sabarinath Mahadevan , Aljoša Ošep , Laura Leal-Taixé , Bastian Leibe

With the availability of large-scale video datasets and the advances of diffusion models, text-driven video generation has achieved substantial progress. However, existing video generation models are typically trained on a limited number of…

计算机视觉与模式识别 · 计算机科学 2024-01-31 Haonan Qiu , Menghan Xia , Yong Zhang , Yingqing He , Xintao Wang , Ying Shan , Ziwei Liu