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Purpose: An investigation of the challenge of annotating discrete segmentations of brain tumours in ultrasound, with a focus on the issue of aleatoric uncertainty along the tumour margin, particularly for diffuse tumours. A segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Alistair Weld , Luke Dixon , Alfie Roddan , Giulio Anichini , Sophie Camp , Stamatia Giannarou

Deep neural networks are commonly used for automated medical image segmentation, but models will frequently struggle to generalize well across different imaging modalities. This issue is particularly problematic due to the limited…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Malo de Boisredon , Eugene Vorontsov , William Trung Le , Samuel Kadoury

Extracting, harvesting and building large-scale annotated radiological image datasets is a greatly important yet challenging problem. It is also the bottleneck to designing more effective data-hungry computing paradigms (e.g., deep…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Ke Yan , Xiaosong Wang , Le Lu , Ronald M. Summers

Annotating tens or hundreds of tiny objects in a given image is laborious yet crucial for a multitude of Computer Vision tasks. Such imagery typically contains objects from various categories, yet the multi-class interactive annotation…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Chunggi Lee , Seonwook Park , Heon Song , Jeongun Ryu , Sanghoon Kim , Haejoon Kim , Sérgio Pereira , Donggeun Yoo

Machine learning has been widely adopted for medical image analysis in recent years given its promising performance in image segmentation and classification tasks. The success of machine learning, in particular supervised learning, depends…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Chengliang Dai , Shuo Wang , Yuanhan Mo , Elsa Angelini , Yike Guo , Wenjia Bai

Deep convolutional neural networks (CNNs) have become an essential tool in the medical imaging-based computer-aided diagnostic pipeline. However, training accurate and reliable CNNs requires large fine-grain annotated datasets. To alleviate…

Image and Video Processing · Electrical Eng. & Systems 2021-12-01 Sajith Rajapaksa , Farzad Khalvati

Semi- and weakly-supervised learning have recently attracted considerable attention in the object detection literature since they can alleviate the cost of annotation needed to successfully train deep learning models. State-of-art…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Akhil Meethal , Marco Pedersoli , Zhongwen Zhu , Francisco Perdigon Romero , Eric Granger

Despite that deep learning has achieved state-of-the-art performance for medical image segmentation, its success relies on a large set of manually annotated images for training that are expensive to acquire. In this paper, we propose an…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Lu Wang , Dong Guo , Guotai Wang , Shaoting Zhang

Acquiring annotations for whole slide images (WSIs)-based deep learning tasks, such as creating tissue segmentation masks or detecting mitotic figures, is a laborious process due to the extensive image size and the significant manual work…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Jingna Qiu , Marc Aubreville , Frauke Wilm , Mathias Öttl , Jonas Utz , Maja Schlereth , Katharina Breininger

Cell detection in histopathology images is of great value in clinical practice. \textit{Convolutional neural networks} (CNNs) have been applied to cell detection to improve the detection accuracy, where cell annotations are required for…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Zipei Zhao , Fengqian Pang , Zhiwen Liu , Chuyang Ye

Weakly-supervised medical image segmentation is gaining traction as it requires only rough annotations rather than accurate pixel-to-pixel labels, thereby reducing the workload for specialists. Although some progress has been made, there is…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Wang Lituan , Zhang Lei , Wang Yan , Wang Zhenbin , Zhang Zhenwei , Zhang Yi

In the clinical settings, during digital examination of histopathological slides, the pathologist annotate the slides by marking the rough boundary around the suspected tumour region. The marking or annotation is generally represented as a…

Image and Video Processing · Electrical Eng. & Systems 2022-02-23 Suvidha Tripathi , Satish Kumar Singh

Video annotation is a critical and time-consuming task in computer vision research and applications. This paper presents a novel annotation pipeline that uses pre-extracted features and dimensionality reduction to accelerate the temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Alexandru Bobe , Jan C. van Gemert

Surgical tool detection is essential for analyzing and evaluating minimally invasive surgery videos. Current approaches are mostly based on supervised methods that require large, fully instance-level labels (i.e., bounding boxes). However,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Ryo Fujii , Ryo Hachiuma , Hideo Saito

Surgical tool segmentation in endoscopic images is an important problem: it is a crucial step towards full instrument pose estimation and it is used for integration of pre- and intra-operative images into the endoscopic view. While many…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Daniil Pakhomov , Wei Shen , Nassir Navab

Few-shot video object segmentation aims to reduce annotation costs; however, existing methods still require abundant dense frame annotations for training, which are scarce in the medical domain. We investigate an extremely low-data regime…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Zixuan Zheng , Yilei Shi , Chunlei Li , Jingliang Hu , Xiao Xiang Zhu , Lichao Mou

Deep learning methods have been shown to be effective for the automatic segmentation of structures and pathologies in medical imaging. However, they require large annotated datasets, whose manual segmentation is a tedious and time-consuming…

Image and Video Processing · Electrical Eng. & Systems 2022-09-27 Bella Specktor Fadida , Daphna Link Sourani , Liat Ben Sira Elka Miller , Dafna Ben Bashat , Leo Joskowicz

Automatic image-based severity estimation is an important task in computer-aided diagnosis. Severity estimation by deep learning requires a large amount of training data to achieve a high performance. In general, severity estimation uses…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Takeaki Kadota , Hideaki Hayashi , Ryoma Bise , Kiyohito Tanaka , Seiichi Uchida

Recently, large, high-quality public datasets have led to the development of convolutional neural networks that can detect lymph node metastases of breast cancer at the level of expert pathologists. Many cancers, regardless of the site of…

Image and Video Processing · Electrical Eng. & Systems 2022-07-14 Péter Bándi , Maschenka Balkenhol , Marcory van Dijk , Bram van Ginneken , Jeroen van der Laak , Geert Litjens

Machine-learning-assisted cancer subtyping is a promising avenue in digital pathology. Cancer subtyping models, however, require careful training using expert annotations so that they can be inferred with a degree of known certainty (or…