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Regression on medical image sequences can capture temporal image pattern changes and predict images at missing or future time points. However, existing geodesic regression methods limit their regression performance by a strong underlying…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Hao Bai , Yi Hong

Uncertainty of labels in clinical data resulting from intra-observer variability can have direct impact on the reliability of assessments made by deep neural networks. In this paper, we propose a method for modelling such uncertainty in the…

Interactive segmentation is a crucial research area in medical image analysis aiming to boost the efficiency of costly annotations by incorporating human feedback. This feedback takes the form of clicks, scribbles, or masks and allows for…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Zdravko Marinov , Paul F. Jäger , Jan Egger , Jens Kleesiek , Rainer Stiefelhagen

Image segmentation is a central topic in image processing and computer vision and a key issue in many applications, e.g., in medical imaging, microscopy, document analysis and remote sensing. According to the human perception, image…

数值分析 · 数学 2022-06-24 Laura Antonelli , Valentina De Simone , Daniela di Serafino

Segmentation of pathological images is essential for accurate disease diagnosis. The quality of manual labels plays a critical role in segmentation accuracy; yet, in practice, the labels between pathologists could be inconsistent, thus…

图像与视频处理 · 电气工程与系统科学 2021-04-07 Li Xiao , Yinhao Li , Luxi Qv , Xinxia Tian , Yijie Peng , S. Kevin Zhou

The ability to accurately estimate risk of developing breast cancer would be invaluable for clinical decision-making. One promising new approach is to integrate image-based risk models based on deep neural networks. However, one must take…

图像与视频处理 · 电气工程与系统科学 2020-09-17 Yue Liu , Hossein Azizpour , Fredrik Strand , Kevin Smith

Segmenting multiple objects (e.g., organs) in medical images often requires an understanding of their topology, which simultaneously quantifies the shape of the objects and their positions relative to each other. This understanding is…

图像与视频处理 · 电气工程与系统科学 2024-08-16 Mehmet Bahadir Erden , Sinan Unver , Ilke Ali Gurses , Rustu Turkay , Cigdem Gunduz-Demir

Deep Learning models are easily disturbed by variations in the input images that were not seen during training, resulting in unpredictable behaviours. Such Out-of-Distribution (OOD) images represent a significant challenge in the context of…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Benjamin Lambert , Florence Forbes , Senan Doyle , Alan Tucholka , Michel Dojat

We propose, analyze and realize a variational multiclass segmentation scheme that partitions a given image into multiple regions exhibiting specific properties. Our method determines multiple functions that encode the segmentation regions…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Nadja Gruber , Johannes Schwab , Sebastien Court , Elke Gizewski , Markus Haltmeier

Uncertainty estimation is important for interpreting the trustworthiness of machine learning models in many applications. This is especially critical in the data-driven active learning setting where the goal is to achieve a certain accuracy…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Bo Li , Tommy Sonne Alstrøm

This paper proposes a two-stage segmentation model, variable-input based uncertainty measures and an uncertainty-guided post-processing method for prostate segmentation on 3D magnetic resonance images (MRI). The two-stage model was based on…

计算机视觉与模式识别 · 计算机科学 2019-03-07 Huitong Pan , Yushan Feng , Quan Chen , Craig Meyer , Xue Feng

Nonlinear image registration continues to be a fundamentally important tool in medical image analysis. Diagnostic tasks, image-guided surgery and radiotherapy as well as motion analysis all rely heavily on accurate intra-patient alignment.…

计算机视觉与模式识别 · 计算机科学 2019-07-26 Mattias P. Heinrich

In the past ten years, with the help of deep learning, especially the rapid development of deep neural networks, medical image analysis has made remarkable progress. However, how to effectively use the relational information between various…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Zhihua Liu

Fully supervised segmentation methods require a large training cohort of already segmented images, providing information at the pixel level of each image. We present a method to automatically segment and model pathologies in medical images,…

计算机视觉与模式识别 · 计算机科学 2019-08-22 Simon Andermatt , Antal Horváth , Simon Pezold , Philippe Cattin

In medicine, visualizing chromosomes is important for medical diagnostics, drug development, and biomedical research. Unfortunately, chromosomes often overlap and it is necessary to identify and distinguish between the overlapping…

计算机视觉与模式识别 · 计算机科学 2017-12-21 R. Lily Hu , Jeremy Karnowski , Ross Fadely , Jean-Patrick Pommier

Despite the state-of-the-art performance for medical image segmentation, deep convolutional neural networks (CNNs) have rarely provided uncertainty estimations regarding their segmentation outputs, e.g., model (epistemic) and image-based…

计算机视觉与模式识别 · 计算机科学 2019-02-12 Guotai Wang , Wenqi Li , Michael Aertsen , Jan Deprest , Sebastien Ourselin , Tom Vercauteren

Annotating lots of 3D medical images for training segmentation models is time-consuming. The goal of weakly supervised semantic segmentation is to train segmentation models without using any ground truth segmentation masks. Our work…

图像与视频处理 · 电气工程与系统科学 2024-04-23 Marius Schmidt-Mengin , Alexis Benichoux , Shibeshih Belachew , Nikos Komodakis , Nikos Paragios

Referring image segmentation aims to segment an object referred to by natural language expression from an image. However, this task is challenging due to the distinct data properties between text and image, and the randomness introduced by…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Yichen Yan , Xingjian He , Wenxuan Wan , Jing Liu

Deep learning-based segmentation methods are widely utilized for detecting lesions in ultrasound images. Throughout the imaging procedure, the attenuation and scattering of ultrasound waves cause contour blurring and the formation of…

图像与视频处理 · 电气工程与系统科学 2024-11-22 Ruiguo Yu , Yiyang Zhang , Yuan Tian , Zhiqiang Liu , Xuewei Li , Jie Gao

Probabilistic convolutional neural networks, which predict distributions of predictions instead of point estimates, led to recent advances in many areas of computer vision, from image reconstruction to semantic segmentation. Besides state…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Josef Lorenz Rumberger , Lisa Mais , Dagmar Kainmueller