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Medical image segmentation data inherently contain uncertainty. This can stem from both imperfect image quality and variability in labeling preferences on ambiguous pixels, which depend on annotator expertise and the clinical context of the…

图像与视频处理 · 电气工程与系统科学 2025-07-17 Jiayuan Zhu , Junde Wu , Cheng Ouyang , Konstantinos Kamnitsas , J. Alison Noble

In recent years, "U-shaped" neural networks featuring encoder and decoder structures have gained popularity in the field of medical image segmentation. Various variants of this model have been developed. Nevertheless, the evaluation of…

图像与视频处理 · 电气工程与系统科学 2023-06-02 Qi Ye , Lihua Guo

Equipping predicted segmentation with calibrated uncertainty is essential for safety-critical applications. In this work, we focus on capturing the data-inherent uncertainty (aka aleatoric uncertainty) in segmentation, typically when…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Zhitong Gao , Yucong Chen , Chuyu Zhang , Xuming He

The annotation of disease severity for medical image datasets often relies on collaborative decisions from multiple human graders. The intra-observer variability derived from individual differences always persists in this process, yet the…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Chi Liu , Zongyuan Ge , Mingguang He , Xiaotong Han

Color images are easy to understand visually and can acquire a great deal of information, such as color and texture. They are highly and widely used in tasks such as segmentation. On the other hand, in indoor person segmentation, it is…

计算机视觉与模式识别 · 计算机科学 2022-05-12 Risako Tanigawa , Yasunori Ishii , Kazuki Kozuka , Takayoshi Yamashita

For medical image analysis, segmentation models trained on one or several domains lack generalization ability to unseen domains due to discrepancies between different data acquisition policies. We argue that the degeneration in segmentation…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Ziqi Zhou , Lei Qi , Yinghuan Shi

In medical image segmentation, it is often necessary to collect opinions from multiple experts to make the final decision. This clinical routine helps to mitigate individual bias. But when data is multiply annotated, standard deep learning…

图像与视频处理 · 电气工程与系统科学 2022-12-02 Junde Wu , Huihui Fang , Yehui Yang , Yuanpei Liu , Jing Gao , Lixin Duan , Weihua Yang , Yanwu Xu

Deep learning motivated by convolutional neural networks has been highly successful in a range of medical imaging problems like image classification, image segmentation, image synthesis etc. However for validation and interpretability, not…

图像与视频处理 · 电气工程与系统科学 2024-08-19 Abhinav Sagar

Active learning is a unique abstraction of machine learning techniques where the model/algorithm could guide users for annotation of a set of data points that would be beneficial to the model, unlike passive machine learning. The primary…

计算机视觉与模式识别 · 计算机科学 2021-01-08 Vishwesh Nath , Dong Yang , Bennett A. Landman , Daguang Xu , Holger R. Roth

Starting from a variational formulation, we present a model for image segmentation that employs both region statistics and edge information. This combination allows for improved flexibility, making the proposed model suitable to process a…

偏微分方程分析 · 数学 2019-10-15 Carlos M. Paniagua Mejia

Image segmentation is a critical step in computational biomedical image analysis, typically evaluated using metrics like the Dice coefficient during training and validation. However, in clinical settings without manual annotations,…

Medical images are often used to detect and characterize pathology and disease; however, automatically identifying and segmenting pathology in medical images is challenging because the appearance of pathology across diseases varies widely.…

图像与视频处理 · 电气工程与系统科学 2020-02-19 Jacob C. Reinhold , Yufan He , Shizhong Han , Yunqiang Chen , Dashan Gao , Junghoon Lee , Jerry L. Prince , Aaron Carass

Ambiguous Medical Image Segmentation (AMIS) is significant to address the challenges of inherent uncertainties from image ambiguities, noise, and subjective annotations. Existing conditional variational autoencoder (cVAE)-based methods…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Xiangyu Li , Chenglin Wang , Qiantong Shen , Fanding Li , Wei Wang , Kuanquan Wang , Yi Shen , Baochun Zhao , Gongning Luo

Multi-rater medical image segmentation captures the inherent ambiguity of clinical interpretation, where diagnostic boundaries vary across experts and imaging devices. Existing approaches often reduce this diversity to consensus labels or…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Sanaz Karimijafarbigloo , Armin Khosravi , Alireza Kheyrkhah , Reza Azad , Mauricio Reyes , Dorit Merhof

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…

Manual segmentation of medical images (e.g., segmenting tumors in CT scans) is a high-effort task that can be accelerated with machine learning techniques. However, selecting the right segmentation approach depends on the evaluation…

计算机视觉与模式识别 · 计算机科学 2023-02-09 Seyed M. R. Modaresi , Aomar Osmani , Mohammadreza Razzazi , Abdelghani Chibani

Semantic image segmentation is an important computer vision task that is difficult because it consists of both recognition and segmentation. The task is often cast as a structured output problem on an exponentially large output-space, which…

计算机视觉与模式识别 · 计算机科学 2017-09-07 Payman Yadollahpour

Robust segmentation for non-elongated tissues in medical images is hard to realize due to the large variation of the shape, size, and appearance of these tissues in different patients. In this paper, we present an end-to-end trainable deep…

图像与视频处理 · 电气工程与系统科学 2020-04-06 Qian Yu , Yinghuan Shi , Yefeng Zheng , Yang Gao , Jianbing Zhu , Yakang Dai

Visual affordances identify regions in an image with potential interactions, offering a novel paradigm for scene understanding. Recognizing affordances allows autonomous robots to act more naturally, could enhance human-robot interactions,…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Lorenzo Mur-Labadia , Ruben Martinez-Cantina , Jose J. Guerrero

Segmentation of regions of interest in images of patients, is a crucial step in many medical procedures. Deep neural networks have proven to be particularly adept at this task. However, a key question is what type of deep neural network to…

图像与视频处理 · 电气工程与系统科学 2023-03-22 Vangelis Kostoulas , Peter A. N. Bosman , Tanja Alderliesten