English
Related papers

Related papers: CT-based Anomaly Detection of Liver Tumors Using G…

200 papers

With the injection of contrast material into blood vessels, multi-phase contrasted CT images can enhance the visibility of vessel networks in the human body. Reconstructing the 3D geometric morphology of liver vessels from the contrasted CT…

Image and Video Processing · Electrical Eng. & Systems 2020-03-20 Donghao Zhang , Siqi Liu , Shikha Chaganti , Eli Gibson , Zhoubing Xu , Sasa Grbic , Weidong Cai , Dorin Comaniciu

Early detection of lung cancer has been proven to decrease mortality significantly. A recent development in computed tomography (CT), spectral CT, can potentially improve diagnostic accuracy, as it yields more information per scan than…

Computer Vision and Pattern Recognition · Computer Science 2020-07-01 Linde S. Hesse , Pim A. de Jong , Josien P. W. Pluim , Veronika Cheplygina

The early detection, diagnosis and monitoring of liver cancer progression can be achieved with the precise delineation of metastatic tumours. However, accurate automated segmentation remains challenging due to the presence of noise,…

Machine Learning · Computer Science 2015-09-02 Samuel Kadoury , Eugene Vorontsov , An Tang

Deep generative models have emerged as promising tools for detecting arbitrary anomalies in data, dispensing with the necessity for manual labelling. Recently, autoregressive transformers have achieved state-of-the-art performance for…

Perfusion imaging is an interesting new modality for evaluation and assessment of the liver cancer treatment. C-Arm CT provides a possibility to perform perfusion imaging scans intra-operatively for even faster evaluation. The slow speed of…

Early detection of newly emerging diseases, lesion severity assessment, differentiation of medical conditions and automated screening are examples for the wide applicability and importance of anomaly detection (AD) and unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Branko Mitic , Philipp Seeböck , Helmut Prosch , Georg Langs

Diffuse optical breast imaging utilizes near-infrared (NIR) light propagation through tissues to assess the optical properties of tissue for the identification of abnormal tissue. This optical imaging approach is sensitive, cost-effective,…

Medical Physics · Physics 2017-11-22 Wenxiang Cong , Xavier Intes , Ge Wang

CT image-guided thermal ablation is widely used for lung cancer treatment; however, follow-up data indicate that physicians' subjective assessments of intraoperative images often overestimate the ablation effect, potentially leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Wan Li , Wei Li , Moheng Rong , Yutao Rao , Hui Tang , Yudong Zhang , Feng Wang

Colorectal liver metastasis is one of most aggressive liver malignancies. While the definition of lesion type based on CT images determines the diagnosis and therapeutic strategy, the discrimination between cancerous and non-cancerous…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Francisco Perdigon Romero , Andre Diler , Gabriel Bisson-Gregoire , Simon Turcotte , Real Lapointe , Franck Vandenbroucke-Menu , An Tang , Samuel Kadoury

Introduction: Automated Lung X-Ray Abnormality Detection System is the application which distinguish the normal x-ray images from infected x-ray images and highlight area considered for prediction, with the recent pandemic a need to have a…

Image and Video Processing · Electrical Eng. & Systems 2024-04-09 Nagullas KS , Vivekanand. V , Narayana Darapaneni , Anwesh R P

Anomaly detection for Magnetic Resonance Images (MRIs) can be solved with unsupervised methods by learning the distribution of healthy images and identifying anomalies as outliers. In presence of an additional dataset of unlabelled data…

Machine Learning · Computer Science 2020-07-27 Alexandra-Ioana Albu , Alina Enescu , Luigi Malagò

The emergence of tau PET imaging over the last decade has enabled Alzheimer's disease (AD) researchers to examine tau pathology in vivo and more effectively characterize the disease trajectories of AD. Current tau PET analysis methods,…

Image and Video Processing · Electrical Eng. & Systems 2025-12-16 Lujia Zhong , Shuo Huang , Jiaxin Yue , Jianwei Zhang , Zhiwei Deng , Wenhao Chi , Yonggang Shi

Liver cancer has high morbidity and mortality rates in the world. Multi-phase CT is a main medical imaging modality for detecting/identifying and diagnosing liver tumors. Automatically detecting and classifying liver lesions in CT images…

Image and Video Processing · Electrical Eng. & Systems 2023-06-29 Fakai Wang , Chi-Tung Cheng , Chien-Wei Peng , Ke Yan , Min Wu , Le Lu , Chien-Hung Liao , Ling Zhang

Segmentation masks of pathological areas are useful in many medical applications, such as brain tumour and stroke management. Moreover, healthy counterfactuals of diseased images can be used to enhance radiologists' training files and to…

Image and Video Processing · Electrical Eng. & Systems 2024-10-02 Alessandro Fontanella , Grant Mair , Joanna Wardlaw , Emanuele Trucco , Amos Storkey

Tumor detection in biomedical imaging is a time-consuming process for medical professionals and is not without errors. Thus in recent decades, researchers have developed algorithmic techniques for image processing using a wide variety of…

Computer Vision and Pattern Recognition · Computer Science 2018-09-17 Laramie Paxton , Yufeng Cao , Kevin R. Vixie , Yuan Wang , Brian Hobbs , Chaan Ng

It is hard to collect enough flaw images for training deep learning network in industrial production. Therefore, existing industrial anomaly detection methods prefer to use CNN-based unsupervised detection and localization network to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Jianfeng Huang , Chenyang Li , Yimin Lin , Shiguo Lian

Computed tomography (CT) is one of the modalities for effective lung cancer screening, diagnosis, treatment, and prognosis. The features extracted from CT images are now used to quantify spatial and temporal variations in tumors. However,…

Image and Video Processing · Electrical Eng. & Systems 2023-03-28 Md Selim , Jie Zhang , Michael A. Brooks , Ge Wang , Jin Chen

Generative artificial intelligence (AI) has been playing an important role in various domains. Leveraging its high capability to generate high-fidelity and diverse synthetic data, generative AI is widely applied in diagnostic tasks, such as…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Yifan Jiang , Ahmad Shariftabrizi , Venkata SK. Manem

Score-based diffusion models have significantly advanced generative deep learning for image processing. Measurement conditioned models have also been applied to inverse problems such as CT reconstruction. However, the conventional approach,…

Medical Physics · Physics 2025-02-24 Matthew Tivnan , Dufan Wu , Quanzheng Li

In medical applications, weakly supervised anomaly detection methods are of great interest, as only image-level annotations are required for training. Current anomaly detection methods mainly rely on generative adversarial networks or…

Image and Video Processing · Electrical Eng. & Systems 2022-10-06 Julia Wolleb , Florentin Bieder , Robin Sandkühler , Philippe C. Cattin