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We propose an end-to-end deep neural network (DNN) which can simultaneously segment the left atrial (LA) cavity and quantify LA scars. The framework incorporates the continuous spatial information of the target by introducing a spatially…

Image and Video Processing · Electrical Eng. & Systems 2020-06-24 Lei Li , Xin Weng , Julia A. Schnabel , Xiahai Zhuang

Automated placement of components on printed circuit boards (PCBs) is a critical stage in placement layout design. While reinforcement learning (RL) has been successfully applied to system-on-chip IP block placement and chiplet arrangement…

Emerging Technologies · Computer Science 2026-03-02 Kart Leong Lim

Left atrial (LA) segmentation from late gadolinium enhanced magnetic resonance imaging (LGE MRI) is a crucial step needed for planning the treatment of atrial fibrillation. However, automatic LA segmentation from LGE MRI is still…

Image and Video Processing · Electrical Eng. & Systems 2021-07-06 Lei Li , Veronika A. Zimmer , Julia A. Schnabel , Xiahai Zhuang

The assessment of left atrial appendage (LAA) thrombogenesis has experienced major advances with the adoption of patient-specific computational fluid dynamics (CFD) simulations. Nonetheless, due to the vast computational resources and long…

Machine Learning · Computer Science 2022-10-20 Xabier Morales , Jordi Mill , Guillem Simeon , Kristine A. Juhl , Ole De Backer , Rasmus R. Paulsen , Oscar Camara

Coronary artery calcification (CAC) is a strong predictor of cardiovascular events, with CT-based Agatston scoring widely regarded as the clinical gold standard. However, CT is costly and impractical for large-scale screening, while chest…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Dylan Saeed , Ramtin Gharleghi , Susann Beier , Sonit Singh

In some medical imaging tasks and other settings where only small parts of the image are informative for the classification task, traditional CNNs can sometimes struggle to generalise. Manually annotated Regions of Interest (ROI) are…

Image and Video Processing · Electrical Eng. & Systems 2023-08-15 Alessandro Fontanella , Antreas Antoniou , Wenwen Li , Joanna Wardlaw , Grant Mair , Emanuele Trucco , Amos Storkey

Segmenting left atrium in MR volume holds great potentials in promoting the treatment of atrial fibrillation. However, the varying anatomies, artifacts and low contrasts among tissues hinder the advance of both manual and automated…

Computer Vision and Pattern Recognition · Computer Science 2018-12-17 Xin Yang , Na Wang , Yi Wang , Xu Wang , Reza Nezafat , Dong Ni , Pheng-Ann Heng

Left atrial (LA) segmentation is a crucial technique for irregular heartbeat (i.e., atrial fibrillation) diagnosis. Most current methods for LA segmentation strictly assume that the input data is acquired using object-oriented center…

Image and Video Processing · Electrical Eng. & Systems 2024-07-09 Fangqiang Xu , Wenxuan Tu , Fan Feng , Malitha Gunawardhana , Jiayuan Yang , Yun Gu , Jichao Zhao

Robust frame-wise embeddings are essential to perform video analysis and understanding tasks. We present a self-supervised method for representation learning based on aligning temporal video sequences. Our framework uses a transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Keyne Oei , Amr Gomaa , Anna Maria Feit , João Belo

Wireless capsule endoscopy (WCE) enables painless visualization of the gastrointestinal tract, but its diagnostic potential is limited by incomplete mucosal coverage and poor transferability of existing navigation methods across patient…

Robotics · Computer Science 2026-05-12 Haoxuan Wu , Sishen Yuan , Haitao Gao , Zhen Li , Xiuli Zuo , Hongliang Ren

Localization of an object within an image is a common task in medical imaging. Learning to localize or detect objects typically requires the collection of data which has been labelled with bounding boxes or similar annotations, which can be…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Eyal Rozenberg , Daniel Freedman , Alex Bronstein

Accurate segmentation and localization of left atrial (LA) ablation scars from Late gadolinium enhancement (LGE)-MRI is essential for assessing the lesion completeness and guiding ablation therapy. Incomplete or discontinuous lesions can…

Image and Video Processing · Electrical Eng. & Systems 2026-05-01 Bipasha Kundu , Cristian Linte

Late gadolinium enhancement magnetic resonance imaging (LGE MRI) appears to be a promising alternative for scar assessment in patients with atrial fibrillation (AF). Automating the quantification and analysis of atrial scars can be…

Computer Vision and Pattern Recognition · Computer Science 2019-02-22 Lei Li , Fuping Wu , Guang Yang , Lingchao Xu , Tom Wong , Raad Mohiaddin , David Firmin , Jennifer Keegan , Xiahai Zhuang

Product recommendation is the task of recovering the closest items to a given query within a large product corpora. Generally, one can determine if top-ranked products are related to the query by applying a similarity threshold; exceeding…

Computation and Language · Computer Science 2025-10-07 Mario Almagro , Diego Ortego , David Jimenez

Fast and accurate anatomical landmark detection can benefit many medical image analysis methods. Here, we propose a method to automatically detect anatomical landmarks in medical images. Automatic landmark detection is performed with a…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Julia M. H. Noothout , Bob D. de Vos , Jelmer M. Wolterink , Tim Leiner , Ivana Išgum

The functional analysis of the left atrium (LA) is important for evaluating cardiac health and understanding diseases like atrial fibrillation. Cine MRI is ideally placed for the detailed 3D characterization of LA motion and deformation but…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Christoforos Galazis , Samuel Shepperd , Emma Brouwer , Sandro Queirós , Ebraham Alskaf , Mustafa Anjari , Amedeo Chiribiri , Jack Lee , Anil A. Bharath , Marta Varela

Atrial Fibrillation (AF) is characterized by rapid, irregular heartbeats, and can lead to fatal complications such as heart failure. The disease is divided into two sub-types based on severity, which can be automatically classified through…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Weihang Dai , Xiaomeng Li , Taihui Yu , Di Zhao , Jun Shen , Kwang-Ting Cheng

This paper introduces a novel approach for high-quality deepfake detection called Localized Artifact Attention Network (LAA-Net). Existing methods for high-quality deepfake detection are mainly based on a supervised binary classifier…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Dat Nguyen , Nesryne Mejri , Inder Pal Singh , Polina Kuleshova , Marcella Astrid , Anis Kacem , Enjie Ghorbel , Djamila Aouada

Autonomous driving decision-making at unsignalized intersections is highly challenging due to complex dynamic interactions and high conflict risks. To achieve proactive safety control, this paper proposes a deep reinforcement learning (DRL)…

Artificial Intelligence · Computer Science 2025-10-15 Chengyang Dong , Nan Guo

The field of robotic Flexible Endoscopes (FEs) has progressed significantly, offering a promising solution to reduce patient discomfort. However, the limited autonomy of most robotic FEs results in non-intuitive and challenging manoeuvres,…