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Currently, MRI-only radiotherapy (RT) eliminates some of the concerns about using CT images in RT chains such as the registration of MR images to a separate CT, extra dose delivery, and the additional cost of repeated imaging. However, one…

医学物理 · 物理学 2021-03-03 Faeze Gholamiankhah , Samaneh Mostafapour , Hossein Arabi

Accurate segmentation of brain tumors from 3D multimodal MRI is vital for diagnosis and treatment planning across diverse brain tumors. This paper addresses the challenges posed by the BraTS 2023, presenting a unified transfer learning…

图像与视频处理 · 电气工程与系统科学 2024-12-12 Ramy A. Zeineldin , Franziska Mathis-Ullrich

Thalamic nuclei have been implicated in several neurological diseases. WMn-MPRAGE images have been shown to provide better intra-thalamic nuclear contrast compared to conventional MPRAGE images but the additional acquisition results in…

Multimodal patch matching addresses the problem of finding the correspondences between image patches from two different modalities, e.g. RGB vs sketch or RGB vs near-infrared. The comparison of patches of different modalities can be done by…

计算机视觉与模式识别 · 计算机科学 2018-06-06 Sovann En , Alexis Lechervy , Frédéric Jurie

Current methods for single-image depth estimation use training datasets with real image-depth pairs or stereo pairs, which are not easy to acquire. We propose a framework, trained on synthetic image-depth pairs and unpaired real images,…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Chuanxia Zheng , Tat-Jen Cham , Jianfei Cai

Resection and whole brain radiotherapy (WBRT) are the standards of care for the treatment of patients with brain metastases (BM) but are often associated with cognitive side effects. Stereotactic radiosurgery (SRS) involves a more targeted…

Although existing deep learning compressed-sensing-based Magnetic Resonance Imaging (CS-MRI) methods have achieved considerably impressive performance, explainability and generalizability continue to be challenging for such methods since…

图像与视频处理 · 电气工程与系统科学 2023-03-14 Xiaohong Fan , Yin Yang , Ke Chen , Jianping Zhang , Ke Dong

Progress in digital pathology is hindered by high-resolution images and the prohibitive cost of exhaustive localized annotations. The commonly used paradigm to categorize pathology images is patch-based processing, which often incorporates…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Thomas Stegmüller , Behzad Bozorgtabar , Antoine Spahr , Jean-Philippe Thiran

A cascaded multi-planar scheme with a modified residual U-Net architecture was used to segment thalamic nuclei on conventional and white-matter-nulled (WMn) magnetization prepared rapid gradient echo (MPRAGE) data. A single network was…

图像与视频处理 · 电气工程与系统科学 2020-08-26 Mohammad S Majdi , Mahesh B Keerthivasan , Brian K Rutt , Natalie M Zahr , Jeffrey J Rodriguez , Manojkumar Saranathan

Accurate brain tumour segmentation is a crucial step towards improving disease diagnosis and proper treatment planning. In this paper, we propose a deep-learning based method to segment a brain tumour into its subregions: whole tumour,…

图像与视频处理 · 电气工程与系统科学 2020-09-17 Mina Ghaffari , Arcot Sowmya , Ruth Oliver

Automatic brain tumor segmentation from multi-modal MRI remains challenging because volumetric models often incur substantial computational cost. This paper presents DALight-3D, a compact 3D U-Net variant that combines depthwise separable…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Nand Kumar Mishra , Dhruv Mishra , Dr Manu Pratap Singh

Magnetic resonance imaging (MRI) noninvasively provides critical information about how human brain structures develop across stages of life. Developmental scientists are particularly interested in the first few years of neurodevelopment.…

图像与视频处理 · 电气工程与系统科学 2021-05-31 Xuzhe Zhang , Xinzi He , Jia Guo , Nabil Ettehadi , Natalie Aw , David Semanek , Jonathan Posner , Andrew Laine , Yun Wang

To promote the generalization ability of breast tumor segmentation models, as well as to improve the segmentation performance for breast tumors with smaller size, low-contrast and irregular shape, we propose a progressive dual priori…

图像与视频处理 · 电气工程与系统科学 2024-06-18 Li Wang , Lihui Wang , Zixiang Kuai , Lei Tang , Yingfeng Ou , Chen Ye , Yuemin Zhu

Multimodal magnetic resonance imaging (MRI) provides complementary information for sub-region analysis of brain tumors. Plenty of methods have been proposed for automatic brain tumor segmentation using four common MRI modalities and…

图像与视频处理 · 电气工程与系统科学 2023-03-10 Hong Liu , Dong Wei , Donghuan Lu , Jinghan Sun , Liansheng Wang , Yefeng Zheng

This research proposes a very lightweight model "Fibonacci-Net" along with a novel pooling technique, for automatic brain tumor classification from imbalanced Magnetic Resonance Imaging (MRI) datasets. Automatic brain tumor detection from…

图像与视频处理 · 电气工程与系统科学 2025-03-19 Santanu Roy , Ashvath Suresh , Archit Gupta , Shubhi Tiwari , Palak Sahu , Prashant Adhikari , Yuvraj S. Shekhawat

Deep models have achieved significant process on single image super-resolution (SISR) tasks, in particular large models with large kernel ($3\times3$ or more). However, the heavy computational footprint of such models prevents their…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Gang Wu , Junjun Jiang , Kui Jiang , Xianming Liu

Magnetic resonance imaging (MRI) is fundamental for the assessment of many diseases, due to its excellent tissue contrast characterization. This is based on quantitative techniques, such as T1 , T2 , and T2* mapping. Quantitative MRI…

Current MRI super-resolution (SR) methods only use existing contrasts acquired from typical clinical sequences as input for the neural network (NN). In turbo spin echo sequences (TSE) the sequence parameters can have a strong influence on…

医学物理 · 物理学 2023-05-15 Hoai Nam Dang , Vladimir Golkov , Thomas Wimmer , Daniel Cremers , Andreas Maier , Moritz Zaiss

Multimodal 3D MRI brain tumor segmentation is a pivotal step in radiotherapy target delineation, surgical planning and post-treatment assessment. Existing methods often assume artifact-free MRI images. However, inevitable patient motion…

图像与视频处理 · 电气工程与系统科学 2026-05-18 Yuchun Wang , Xiaosong Li , Gefei Liang , Yang Liu

Parotid gland tumor is a common type of head and neck tumor. Segmentation of the parotid glands and tumors by MR images is important for the treatment of parotid gland tumors. However, segmentation of the parotid glands is particularly…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Zi'an Xu , Yin Dai , Fayu Liu , Boyuan Wu , Weibing Chen , Lifu Shi