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Many functional and structural neuroimaging studies call for accurate morphometric segmentation of different brain structures starting from image intensity values of MRI scans. Current automatic (multi-) atlas-based segmentation strategies…

图像与视频处理 · 电气工程与系统科学 2019-09-27 Dennis Bontempi , Sergio Benini , Alberto Signoroni , Michele Svanera , Lars Muckli

The gradient-weighted class activation mapping (Grad-CAM) method can faithfully highlight important regions in images for deep model prediction in image classification, image captioning and many other tasks. It uses the gradients in…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Lei Chen , Jianhui Chen , Hossein Hajimirsadeghi , Greg Mori

Mapping blood microflows of the whole brain is crucial for early diagnosis of cerebral diseases. Ultrasound localization microscopy (ULM) was recently applied to map and quantify blood microflows in 2D in the brain of adult patients down to…

医学物理 · 物理学 2023-04-12 Hugues Favre , Mathieu Pernot , Mickael Tanter , Clément Papadacci

Semantic SLAM is an important field in autonomous driving and intelligent agents, which can enable robots to achieve high-level navigation tasks, obtain simple cognition or reasoning ability and achieve language-based…

机器人学 · 计算机科学 2020-01-07 Zirui Zhao , Yijun Mao , Yan Ding , Pengju Ren , Nanning Zheng

We propose deep virtual markers, a framework for estimating dense and accurate positional information for various types of 3D data. We design a concept and construct a framework that maps 3D points of 3D articulated models, like humans,…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Hyomin Kim , Jungeon Kim , Jaewon Kam , Jaesik Park , Seungyong Lee

Magnetic Resonance Imaging (MRI) is a principal diagnostic approach used in the field of radiology to create images of the anatomical and physiological structure of patients. MRI is the prevalent medical imaging practice to find…

计算机视觉与模式识别 · 计算机科学 2021-06-16 Yusuf Brima , Mossadek Hossain Kamal Tushar , Upama Kabir , Tariqul Islam

Reliably modeling normality and differentiating abnormal appearances from normal cases is a very appealing approach for detecting pathologies in medical images. A plethora of such unsupervised anomaly detection approaches has been made in…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Christoph Baur , Benedikt Wiestler , Shadi Albarqouni , Nassir Navab

In neuroscience, understanding inter-individual differences has recently emerged as a major challenge, for which functional magnetic resonance imaging (fMRI) has proven invaluable. For this, neuroscientists rely on basic methods such as…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Akrem Sellami , François-Xavier Dupé , Bastien Cagna , Hachem Kadri , Stéphane Ayache , Thierry Artières , Sylvain Takerkart

Optical Coherence Tomography (OCT) is essential for diagnosing conditions such as glaucoma, diabetic retinopathy, and age-related macular degeneration. Accurate retinal layer segmentation enables quantitative biomarkers critical for…

图像与视频处理 · 电气工程与系统科学 2025-09-10 S M Asiful Islam Saky , Ugyen Tshering

To meet the clinical demand for accurate 3D lumbar spine assessment in a weight-bearing position, this study presents a novel, fully automatic framework for high-precision 3D reconstruction from biplanar X-ray images, overcoming the…

图像与视频处理 · 电气工程与系统科学 2025-10-08 Wanxin Yu , Zhemin Zhu , Cong Wang , Yihang Bao , Chunjie Xia , Rongshan Cheng , Yan Yu , Tsung-Yuan Tsai

Medical image classification is one of the most critical problems in the image recognition area. One of the major challenges in this field is the scarcity of labelled training data. Additionally, there is often class imbalance in datasets…

图像与视频处理 · 电气工程与系统科学 2022-09-29 Khushboo Mehra , Hassan Soliman , Soumya Ranjan Sahoo

Deep learning models designed for visual classification tasks on natural images have become prevalent in medical image analysis. However, medical images differ from typical natural images in many ways, such as significantly higher…

机器学习 · 计算机科学 2019-08-21 Yiqiu Shen , Nan Wu , Jason Phang , Jungkyu Park , Gene Kim , Linda Moy , Kyunghyun Cho , Krzysztof J. Geras

Purpose: Image classification is perhaps the most fundamental task in imaging AI. However, labeling images is time-consuming and tedious. We have recently demonstrated that reinforcement learning (RL) can classify 2D slices of MRI brain…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Joseph Stember , Hrithwik Shalu

Accurate registration of brain MRI scans is fundamental for cross-subject analysis in neuroscientific studies. This involves aligning both the cortical surface of the brain and the interior volume. Traditional methods treat volumetric and…

计算机视觉与模式识别 · 计算机科学 2025-12-24 S. Mazdak Abulnaga , Andrew Hoopes , Malte Hoffmann , Robin Magnet , Maks Ovsjanikov , Lilla Zöllei , John Guttag , Bruce Fischl , Adrian Dalca

Early and accurate diagnosis of Alzheimer's disease (AD) and its prodromal period mild cognitive impairment (MCI) is essential for the delayed disease progression and the improved quality of patients'life. The emerging computer-aided…

图像与视频处理 · 电气工程与系统科学 2021-07-29 Fan Zhang , Bo Pan , Pengfei Shao , Peng Liu , Shuwei Shen , Peng Yao , Ronald X. Xu

Automatic segmentation of brain abnormalities is challenging, as they vary considerably from one pathology to another. Current methods are supervised and require numerous annotated images for each pathology, a strenuous task. To tackle…

图像与视频处理 · 电气工程与系统科学 2021-01-27 Benjamin Lambert , Maxime Louis , Senan Doyle , Florence Forbes , Michel Dojat , Alan Tucholka

Detection and segmentation of the hippocampal structures in volumetric brain images is a challenging problem in the area of medical imaging. In this paper, we propose a two-stage 3D fully convolutional neural network that efficiently…

计算机视觉与模式识别 · 计算机科学 2019-02-13 Dengsheng Chen , Wenxi Liu , You Huang , Tong Tong , Yuanlong Yu

We propose a CNN based technique that aggregates feature maps from its multiple layers that can localize abnormalities with greater details as well as predict pathology under consideration. Existing class activation mapping (CAM) techniques…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Sumeet Shinde , Tanay Chougule , Jitender Saini , Madhura Ingalhalikar

Purpose. Brain Magnetic Resonance Images (MRIs) are essential for the diagnosis of neurological diseases. Recently, deep learning methods for unsupervised anomaly detection (UAD) have been proposed for the analysis of brain MRI. These…

图像与视频处理 · 电气工程与系统科学 2021-09-15 Marcel Bengs , Finn Behrendt , Julia Krüger , Roland Opfer , Alexander Schlaefer

Brain pathologies can vary greatly in size and shape, ranging from few pixels (i.e. MS lesions) to large, space-occupying tumors. Recently proposed Autoencoder-based methods for unsupervised anomaly segmentation in brain MRI have shown…

图像与视频处理 · 电气工程与系统科学 2020-06-24 Christoph Baur , Benedikt Wiestler , Shadi Albarqouni , Nassir Navab