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In clinical practice, regions of interest in medical imaging often need to be identified through a process of precise image segmentation. The quality of this image segmentation step critically affects the subsequent clinical assessment of…

Image and Video Processing · Electrical Eng. & Systems 2021-03-23 João B. S. Carvalho , João A. Santinha , Đorđe Miladinović , Joachim M. Buhmann

Autonomous robotic systems applied to new domains require an abundance of expensive, pixel-level dense labels to train robust semantic segmentation models under full supervision. This study proposes a model-agnostic Depth Edge Alignment…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Patrick Schmidt , Vasileios Belagiannis , Lazaros Nalpantidis

Lots of popular calibration methods in medical images focus on classification, but there are few comparable studies on semantic segmentation. In polyp segmentation of medical images, we find most diseased area occupies only a small portion…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Yudian Zhang , Chenhao Xu , Kaiye Xu , Haijiang Zhu

Medical images acquired from standardized protocols show consistent macroscopic or microscopic anatomical structures, and these structures consist of composable/decomposable organs and tissues, but existing self-supervised learning (SSL)…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Ziyu Zhou , Haozhe Luo , Mohammad Reza Hosseinzadeh Taher , Jiaxuan Pang , Xiaowei Ding , Michael Gotway , Jianming Liang

Image Copy Detection (ICD) aims to identify manipulated content between image pairs through robust feature representation learning. While self-supervised learning (SSL) has advanced ICD systems, existing view-level contrastive methods…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Yichen Lu , Siwei Nie , Minlong Lu , Xudong Yang , Xiaobo Zhang , Peng Zhang

Calibration of neural networks is a topical problem that is becoming more and more important as neural networks increasingly underpin real-world applications. The problem is especially noticeable when using modern neural networks, for which…

Machine Learning · Computer Science 2023-08-29 Ondrej Bohdal , Yongxin Yang , Timothy Hospedales

We present Connected-Component~(CC)-Metrics, a novel semantic segmentation evaluation protocol, targeted to align existing semantic segmentation metrics to a multi-instance detection scenario in which each connected component matters. We…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Alexander Jaus , Constantin Seibold , Simon Reiß , Zdravko Marinov , Keyi Li , Zeling Ye , Stefan Krieg , Jens Kleesiek , Rainer Stiefelhagen

Understanding the confidence with which a machine learning model classifies an input datum is an important, and perhaps under-investigated, concept. In this paper, we propose a new calibration metric, the Entropic Calibration Difference…

Machine Learning · Computer Science 2025-02-21 Daniel James Sumler , Lee Devlin , Simon Maskell , Richard O. Lane

Loss functions are error metrics that quantify the difference between a prediction and its corresponding ground truth. Fundamentally, they define a functional landscape for traversal by gradient descent. Although numerous loss functions…

Image and Video Processing · Electrical Eng. & Systems 2021-04-09 Chaitanya Kaul , Nick Pears , Hang Dai , Roderick Murray-Smith , Suresh Manandhar

We study the problem of semantic segmentation calibration. Lots of solutions have been proposed to approach model miscalibration of confidence in image classification. However, to date, confidence calibration research on semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Dongdong Wang , Boqing Gong , Liqiang Wang

Medical image segmentation is one of the most challenging tasks in medical image analysis and has been widely developed for many clinical applications. Most of the existing metrics have been first designed for natural images and then…

Image and Video Processing · Electrical Eng. & Systems 2021-03-24 Vidhiwar Singh Rathour , Kashu Yamakazi , T. Hoang Ngan Le

Segmentation is one of the most important tasks in the medical imaging pipeline as it influences a number of image-based decisions. To be effective, fully supervised segmentation approaches require large amounts of manually annotated…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Tyler Ward , Aaron Moseley , Abdullah-Al-Zubaer Imran

In medical imaging, the heterogeneity of multi-centre data impedes the applicability of deep learning-based methods and results in significant performance degradation when applying models in an unseen data domain, e.g. a new centreor a new…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Hongwei Li , Timo Loehr , Anjany Sekuboyina , Jianguo Zhang , Benedikt Wiestler , Bjoern Menze

We aim to quantitatively measure the practical usability of medical image segmentation models: to what extent, how often, and on which samples a model's predictions can be used/trusted. We first propose a measure, Correctness-Confidence…

Image and Video Processing · Electrical Eng. & Systems 2022-07-04 Yizhe Zhang , Suraj Mishra , Peixian Liang , Hao Zheng , Danny Z. Chen

The development of automatic segmentation techniques for medical imaging tasks requires assessment metrics to fairly judge and rank such approaches on benchmarks. The Dice Similarity Coefficient (DSC) is a popular choice for comparing the…

Image and Video Processing · Electrical Eng. & Systems 2023-02-13 Vatsal Raina , Nataliia Molchanova , Mara Graziani , Andrey Malinin , Henning Muller , Meritxell Bach Cuadra , Mark Gales

Within medical imaging segmentation, the Dice coefficient and Hausdorff-based metrics are standard measures of success for deep learning models. However, modern loss functions for medical image segmentation often only consider the Dice…

Image and Video Processing · Electrical Eng. & Systems 2024-01-26 Adrian Celaya , Beatrice Riviere , David Fuentes

In the last decade, research on artificial intelligence has seen rapid growth with deep learning models, especially in the field of medical image segmentation. Various studies demonstrated that these models have powerful prediction…

Image and Video Processing · Electrical Eng. & Systems 2022-02-14 Dominik Müller , Iñaki Soto-Rey , Frank Kramer

Instance segmentation plays a pivotal role in medical image analysis by enabling precise localization and delineation of lesions, tumors, and anatomical structures. Although deep learning models such as Mask R-CNN and BlendMask have…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Mengxia Dai , Wenqian Luo , Tianyang Li

Dice similarity coefficient (DSC) and Hausdorff distance (HD) are widely used for evaluating medical image segmentation. They have also been criticised, when reported alone, for their unclear or even misleading clinical interpretation. DSCs…

Image and Video Processing · Electrical Eng. & Systems 2022-04-01 Wen Yan , Qianye Yang , Tom Syer , Zhe Min , Shonit Punwani , Mark Emberton , Dean C. Barratt , Bernard Chiu , Yipeng Hu

Wireless Capsule Endoscopy (WCE) is relatively a new technology to examine the entire GI trace. During an examination, it captures more than 55,000 frames. Reviewing all these images is time-consuming and prone to human error. It has been a…

Computer Vision and Pattern Recognition · Computer Science 2017-11-20 Omid Haji Maghsoudi