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Automated lesion segmentation from computed tomography (CT) is an important and challenging task in medical image analysis. While many advancements have been made, there is room for continued improvements. One hurdle is that CT images can…

Computer Vision and Pattern Recognition · Computer Science 2018-07-20 Youbao Tang , Jinzheng Cai , Le Lu , Adam P. Harrison , Ke Yan , Jing Xiao , Lin Yang , Ronald M. Summers

Compression artifacts from standard video codecs often degrade perceptual quality. We propose a lightweight, semantic-aware pre-processing framework that enhances perceptual fidelity by selectively addressing these distortions. Our method…

Image and Video Processing · Electrical Eng. & Systems 2026-02-02 Han-Yu Lin , Li-Wei Chen , Hung-Shin Lee

Medical image segmentation, particularly in multi-domain scenarios, requires precise preservation of anatomical structures across diverse representations. While deep learning has advanced this field, existing models often struggle with…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Afshin Bozorgpour , Sina Ghorbani Kolahi , Reza Azad , Ilker Hacihaliloglu , Dorit Merhof

Photon-counting spectral computed tomography is now clinically available. These new detectors come with the promise of higher contrast-to-noise ratio and spatial resolution and improved low-dose imaging. However, one important design…

Medical Physics · Physics 2023-02-03 Dennis Hein , Konstantinos Liappis , Fredrik Grönberg , Alma Eguizabal , Mats Persson

Medical imaging is vital in computer assisted intervention. Particularly cone beam computed tomography (CBCT) with defacto real time and mobility capabilities plays an important role. However, CBCT images often suffer from artifacts, which…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Maximilian E. Tschuchnig , Philipp Steininger , Michael Gadermayr

Training certifiably robust neural networks is an important but challenging task. While many algorithms for (deterministic) certified training have been proposed, they are often evaluated on different training schedules, certification…

Machine Learning · Computer Science 2025-05-29 Yuhao Mao , Stefan Balauca , Martin Vechev

This paper presents and validates CTseg, a freely available software for brain CT segmentation, spatial normalisation, and volumetrics. CTseg builds on the Multi-Brain generative modelling framework, providing a CT-specific pipeline that…

Image and Video Processing · Electrical Eng. & Systems 2026-05-29 Mikael Brudfors

Many clinical applications depend critically on the accurate differentiation and classification of different types of materials in patient anatomy. This work introduces a unified framework for accurate nonlinear material decomposition and…

Medical Physics · Physics 2018-03-19 Wei Zhao , Don Vernekohl , Fei Han , Bin Han , Hao Peng , Lei Xing , James K Min

Self-supervised depth estimation, which solely requires monocular image sequence as input, has become increasingly popular and promising in recent years. Current research primarily focuses on enhancing the prediction accuracy of the models.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Xi Zhang , Yaru Xue , Shaocheng Jia , Xin Pei

Sparse-view computed tomography (CT) is a promising solution for expediting the scanning process and mitigating radiation exposure to patients, the reconstructed images, however, contain severe streak artifacts, compromising subsequent…

Image and Video Processing · Electrical Eng. & Systems 2023-10-03 Chenglong Ma , Zilong Li , Junping Zhang , Yi Zhang , Hongming Shan

Due to numerous hardware shortcomings, medical image acquisition devices are susceptible to producing low-quality (i.e., low contrast, inappropriate brightness, noisy, etc.) images. Regrettably, perceptually degraded images directly impact…

Image and Video Processing · Electrical Eng. & Systems 2025-03-12 S M A Sharif , Rizwan Ali Naqvi , Mithun Biswas , Woong-Kee Loh

Semantic segmentation is an essential step for many vision applications in order to understand a scene and the objects within. Recent progress in hyperspectral imaging technology enables the application in driving scenarios and the hope is…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Nick Theisen , Robin Bartsch , Dietrich Paulus , Peer Neubert

For extending CT field-of-view to perform non-destructive testing, the Symmetric Multi-Linear trajectory Computed Tomography (SMLCT) has been developed as a successful example of non-standard CT scanning modes. However, inevitable geometric…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Zhisheng Wang , Yanxu Sun , Shangyu Li , Legeng Lin , Shunli Wang , Junning Cui

The cost-effectiveness and practical harmlessness of ultrasound imaging have made it one of the most widespread tools for medical diagnosis. Unfortunately, the beam-forming based image formation produces granular speckle noise, blurring,…

Computer Vision and Pattern Recognition · Computer Science 2017-10-19 Sanketh Vedula , Ortal Senouf , Alex M. Bronstein , Oleg V. Michailovich , Michael Zibulevsky

Self-supervised pre-training of deep learning models with contrastive learning is a widely used technique in image analysis. Current findings indicate a strong potential for contrastive pre-training on medical images. However, further…

Image and Video Processing · Electrical Eng. & Systems 2024-10-21 Daniel Wolf , Tristan Payer , Catharina Silvia Lisson , Christoph Gerhard Lisson , Meinrad Beer , Michael Götz , Timo Ropinski

Standardized tests play a crucial role in the detection of cognitive impairment. Previous work demonstrated that automatic detection of cognitive impairment is possible using audio data from a standardized picture description task. The…

The COVID-19 pandemic has resulted in hundreds of million cases and numerous deaths worldwide. Here, we develop a novel classification network CECT by controllable ensemble convolutional neural network and transformer to provide a timely…

Image and Video Processing · Electrical Eng. & Systems 2024-04-02 Zhaoshan Liu , Lei Shen

Monocular scene understanding is a foundational component of autonomous systems. Within the spectrum of monocular perception topics, one crucial and useful task for holistic 3D scene understanding is semantic scene completion (SSC), which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Yiming Li , Sihang Li , Xinhao Liu , Moonjun Gong , Kenan Li , Nuo Chen , Zijun Wang , Zhiheng Li , Tao Jiang , Fisher Yu , Yue Wang , Hang Zhao , Zhiding Yu , Chen Feng

The use of synthetic images in medical imaging Artificial Intelligence (AI) solutions has been shown to be beneficial in addressing the limited availability of diverse, unbiased, and representative data. Despite the extensive use of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Elay Dahan , Hedda Cohen Indelman , Angeles M. Perez-Agosto , Carmit Shiran , Gopal Avinash , Doron Shaked , Nati Daniel

Large medical imaging data sets are becoming increasingly available, but ensuring sample quality without significant artefacts is challenging. Existing methods for identifying imperfections in medical imaging rely on data-intensive…

Image and Video Processing · Electrical Eng. & Systems 2023-11-15 Daniele Ravi , Frederik Barkhof , Daniel C. Alexander , Lemuel Puglisi , Geoffrey JM Parker , Arman Eshaghi