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Tumor segmentation in whole-body PET/CT imaging is crucial for precise disease evaluation and treatment planning. However, it remains challenging due to variability in lesion size, contrast, and anatomical distribution. Relying on manual…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Hussain Alasmawi

Automatic lesion detection and segmentation from [${}^{18}$F]FDG PET/CT scans is a challenging task, due to the diversity of shapes, sizes, FDG uptake and location they may present, besides the fact that physiological uptake is also present…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Yamila Rotstein Habarnau , Mauro Namías

This paper proposes a 3D attention-based U-Net architecture for multi-region segmentation of brain tumors using a single stacked multi-modal volume created by combining three non-native MRI volumes. The attention mechanism added to the…

图像与视频处理 · 电气工程与系统科学 2023-05-11 Maryann M. Gitonga

Automatic breast lesion segmentation in ultrasound helps to diagnose breast cancer, which is one of the dreadful diseases that affect women globally. Segmenting breast regions accurately from ultrasound image is a challenging task due to…

图像与视频处理 · 电气工程与系统科学 2021-04-06 Cheng Xue , Lei Zhu , Huazhu Fu , Xiaowei Hu , Xiaomeng Li , Hai Zhang , Pheng Ann Heng

We address the selection and evaluation of uncertain segmentation methods in medical imaging and present two case studies: prostate segmentation, illustrating that for minimal annotator variation simple deterministic models can suffice, and…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Kilian Zepf , Jes Frellsen , Aasa Feragen

Background: Deep learning has presented great potential in accurate MR image segmentation when enough labeled data are provided for network optimization. However, manually annotating 3D MR images is tedious and time-consuming, requiring…

图像与视频处理 · 电气工程与系统科学 2023-12-19 Yousuf Babiker M. Osman , Cheng Li , Weijian Huang , Shanshan Wang

The development of 3D Vision-Language Models (VLMs), crucial for applications in robotics, autonomous driving, and augmented reality, is severely constrained by the scarcity of paired 3D-text data. Existing methods rely solely on next-token…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Yuanhao Su , Shaofeng Zhang , Xiaosong Jia , Qi Fan

On-line segmentation of the uterus can aid effective image-based guidance for precise delivery of dose to the target tissue (the uterocervix) during cervix cancer radiotherapy. 3D ultrasound (US) can be used to image the uterus, however,…

图像与视频处理 · 电气工程与系统科学 2021-09-21 Bahareh Behboodi , Hassan Rivaz , Susan Lalondrelle , Emma Harris

Over the past few years, the field of scene text detection has progressed rapidly that modern text detectors are able to hunt text in various challenging scenarios. However, they might still fall short when handling text instances of…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Minghang He , Minghui Liao , Zhibo Yang , Humen Zhong , Jun Tang , Wenqing Cheng , Cong Yao , Yongpan Wang , Xiang Bai

Background and Objective: Accurate and reliable segmentation of the prostate gland in MR images can support the clinical assessment of prostate cancer, as well as the planning and monitoring of focal and loco-regional therapeutic…

Multiparametric magnetic resonance imaging (mp-MRI) has shown excellent results in the detection of prostate cancer (PCa). However, characterizing prostate lesions aggressiveness in mp-MRI sequences is impossible in clinical practice, and…

图像与视频处理 · 电气工程与系统科学 2022-11-28 Audrey Duran , Gaspard Dussert , Olivier Rouvière , Tristan Jaouen , Pierre-Marc Jodoin , Carole Lartizien

We present a method to jointly refine the geometry and semantic segmentation of 3D surface meshes. Our method alternates between updating the shape and the semantic labels. In the geometry refinement step, the mesh is deformed with…

计算机视觉与模式识别 · 计算机科学 2017-06-27 Maros Blaha , Mathias Rothermel , Martin R. Oswald , Torsten Sattler , Audrey Richard , Jan D. Wegner , Marc Pollefeys , Konrad Schindler

Convolutional neural networks (CNNs) have achieved state-of-the-art performance for automatic medical image segmentation. However, they have not demonstrated sufficiently accurate and robust results for clinical use. In addition, they are…

Vision-Language Models (VLMs), such as CLIP, have achieved significant zero-shot performance on downstream tasks with various fine-tuning adaptation methods. However, recent studies have proven that adversarial attacks can significantly…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Jia-Wei Hai , Yijun Wang , Xiu-Shen Wei

Skin lesion segmentation is a crucial step in dermatology for guiding clinical decision-making. However, existing methods for accurate, robust, and resource-efficient lesion analysis have limitations, including low performance and high…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Linxuan Fan , Juntao Jiang , Weixuan Liu , Zhucun Xue , Jiajun Lv , Jiangning Zhang , Yong Liu

Multi-parametric MR images have been shown to be effective in the non-invasive diagnosis of prostate cancer. Automated segmentation of the prostate eliminates the need for manual annotation by a radiologist which is time consuming. This…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Lavanya Umapathy , Wyatt Unger , Faryal Shareef , Hina Arif , Diego Martin , Maria Altbach , Ali Bilgin

The problem of segmenting a given image into coherent regions is important in Computer Vision and many industrial applications require segmenting a known object into its components. Examples include identifying individual parts of a…

计算机视觉与模式识别 · 计算机科学 2013-05-17 Srimal Jayawardena , Di Yang , Marcus Hutter

Biparametric MRI has emerged as an alternative to multiparametric prostate MRI, which eliminates the need for the potential harms to the patient due to the contrast medium. One major issue with biparametric MRI is difficulty to detect…

Wound image segmentation is a critical component for the clinical diagnosis and in-time treatment of wounds. Recently, deep learning has become the mainstream methodology for wound image segmentation. However, the pre-processing of the…

图像与视频处理 · 电气工程与系统科学 2022-07-13 Honghui Liu , Changjian Wang , Kele Xu , Fangzhao Li , Ming Feng , Yuxing Peng , Hongjun He

Reconstructing semantic 3D building models at the level of detail (LoD) 3 is a long-standing challenge. Unlike mesh-based models, they require watertight geometry and object-wise semantics at the fa\c{c}ade level. The principal challenge of…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Olaf Wysocki , Yan Xia , Magdalena Wysocki , Eleonora Grilli , Ludwig Hoegner , Daniel Cremers , Uwe Stilla