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Deep Convolutional Neural Networks have proven effective in solving the task of semantic segmentation. However, their efficiency heavily relies on the pixel-level annotations that are expensive to get and often require domain expertise,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Ostap Viniavskyi , Mariia Dobko , Oles Dobosevych

Deep learning networks have shown promising performance for accurate object localization in medial images, but require large amount of annotated data for supervised training, which is expensive and expertise burdensome. To address this…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Wenhui Lei , Wei Xu , Ran Gu , Hao Fu , Shaoting Zhang , Guotai Wang

We present a learning approach for localization and segmentation of objects in an image in a manner that is robust to partial occlusion. Our algorithm produces a bounding box around the full extent of the object and labels pixels in the…

Computer Vision and Pattern Recognition · Computer Science 2015-07-29 Samarth Brahmbhatt , Heni Ben Amor , Henrik Christensen

Creating large-scale and well-annotated datasets to train AI algorithms is crucial for automated tumor detection and localization. However, with limited resources, it is challenging to determine the best type of annotations when annotating…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Yu-Cheng Chou , Bowen Li , Deng-Ping Fan , Alan Yuille , Zongwei Zhou

Bounding-box annotation form has been the most frequently used method for visual object localization tasks. However, bounding-box annotation relies on a large amount of precisely annotating bounding boxes, and it is expensive and laborious.…

Computer Vision and Pattern Recognition · Computer Science 2022-01-06 Xuehui Yu , Di Wu , Qixiang Ye , Jianbin Jiao , Zhenjun Han

Surgical tool localization is an essential task for the automatic analysis of endoscopic videos. In the literature, existing methods for tool localization, tracking and segmentation require training data that is fully annotated, thereby…

Computer Vision and Pattern Recognition · Computer Science 2018-07-19 Armine Vardazaryan , Didier Mutter , Jacques Marescaux , Nicolas Padoy

Diagnostic imaging often requires the simultaneous identification of a multitude of findings of varied size and appearance. Beyond global indication of said findings, the prediction and display of localization information improves trust in…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Li Yao , Jordan Prosky , Eric Poblenz , Ben Covington , Kevin Lyman

Pathology detection and delineation enables the automatic interpretation of medical scans such as chest X-rays while providing a high level of explainability to support radiologists in making informed decisions. However, annotating…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Philip Müller , Felix Meissen , Johannes Brandt , Georgios Kaissis , Daniel Rueckert

Learning from sparse labels is a challenge commonplace in the medical domain. This is due to numerous factors, such as annotation cost, and is especially true for newly introduced tasks. When dense pixel-level annotations are needed, this…

Semantic segmentation is an import task in the medical field to identify the exact extent and orientation of significant structures like organs and pathology. Deep neural networks can perform this task well by leveraging the information…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Abhijeet Parida , Arianne Tran , Nassir Navab , Shadi Albarqouni

This paper introduces self-taught object localization, a novel approach that leverages deep convolutional networks trained for whole-image recognition to localize objects in images without additional human supervision, i.e., without using…

Computer Vision and Pattern Recognition · Computer Science 2016-02-03 Loris Bazzani , Alessandro Bergamo , Dragomir Anguelov , Lorenzo Torresani

When pixel-level masks or partial annotations are not available for training neural networks for semantic segmentation, it is possible to use higher-level information in the form of bounding boxes, or image tags. In the imaging sciences,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Bas Peters

Multi-label radiography image classification has long been a topic of interest in neural networks research. In this paper, we intend to classify such images using convolution neural networks with novel localization techniques. We will use…

Image and Video Processing · Electrical Eng. & Systems 2024-07-08 Lalit Pant , Shubham Arora

This study investigates weakly supervised image segmentation using loose bounding box supervision. It presents a multiple instance learning strategy based on polar transformation to assist image segmentation when loose bounding boxes are…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Juan Wang , Bin Xia

Recent advances in convolutional neural networks (CNN) have achieved remarkable results in locating objects in images. In these networks, the training procedure usually requires providing bounding boxes or the maximum number of expected…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Javier Ribera , David Güera , Yuhao Chen , Edward J. Delp

In this work we study the impact of noise on the training of object detection networks for the medical domain, and how it can be mitigated by improving the training procedure. Annotating large medical datasets for training data-hungry deep…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Sina Famouri , Lia Morra , Leonardo Mangia , Fabrizio Lamberti

In recent years, deep learning (DL) methods have become powerful tools for biomedical image segmentation. However, high annotation efforts and costs are commonly needed to acquire sufficient biomedical training data for DL models. To…

Computer Vision and Pattern Recognition · Computer Science 2018-06-05 Lin Yang , Yizhe Zhang , Zhuo Zhao , Hao Zheng , Peixian Liang , Michael T. C. Ying , Anil T. Ahuja , Danny Z. Chen

Methods to detect malignant lesions from screening mammograms are usually trained with fully annotated datasets, where images are labelled with the localisation and classification of cancerous lesions. However, real-world screening…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Yuanhong Chen , Yuyuan Liu , Chong Wang , Michael Elliott , Chun Fung Kwok , Carlos Pena-Solorzano , Yu Tian , Fengbei Liu , Helen Frazer , Davis J. McCarthy , Gustavo Carneiro

Analysis of histopathology slides is a critical step for many diagnoses, and in particular in oncology where it defines the gold standard. In the case of digital histopathological analysis, highly trained pathologists must review vast…

Computer Vision and Pattern Recognition · Computer Science 2020-02-21 Pierre Courtiol , Eric W. Tramel , Marc Sanselme , Gilles Wainrib

Scarcity of high quality annotated images remains a limiting factor for training accurate image segmentation models. While more and more annotated datasets become publicly available, the number of samples in each individual database is…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Gregory Filbrandt , Konstantinos Kamnitsas , David Bernstein , Alexandra Taylor , Ben Glocker