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Optical coherence tomography angiography (OCTA) is a novel non-invasive imaging modality that allows micron-level resolution to visualize the retinal microvasculature. The retinal vessel segmentation in OCTA images is still an open problem,…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Mingchao Li , Yerui Chen , Weiwei Zhang , Qiang Chen

Pre-trained vision-language models learn massive data to model unified representations of images and natural languages, which can be widely applied to downstream machine learning tasks. In addition to zero-shot inference, in order to better…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Qian-Wei Wang , Yuqiu Xie , Letian Zhang , Zimo Liu , Shu-Tao Xia

Speckle noise has long been an extensively studied problem in medical imaging. In recent years, there have been significant advances in leveraging deep learning methods for noise reduction. Nevertheless, adaptation of supervised learning…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Deborah Pereg

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…

计算机视觉与模式识别 · 计算机科学 2020-07-10 Daniil Pakhomov , Wei Shen , Nassir Navab

This study presents a novel deep learning architecture for multi-class classification and localization of abnormalities in medical imaging illustrated through experiments on mammograms. The proposed network combines two learning branches.…

计算机视觉与模式识别 · 计算机科学 2020-10-14 Ran Bakalo , Jacob Goldberger , Rami Ben-Ari

Most of the existing deep learning based methods for vessel segmentation neglect two important aspects of retinal vessels, one is the orientation information of vessels, and the other is the contextual information of the whole fundus…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Xinxu Wei , Kaifu Yang , Danilo Bzdok , Yongjie Li

Understanding human behavior is an important problem in the pursuit of visual intelligence. A challenge in this endeavor is the extensive and costly effort required to accurately label action segments. To address this issue, we consider…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Seth Z. Zhao , Reza Ghoddoosian , Isht Dwivedi , Nakul Agarwal , Behzad Dariush

Document images often have intricate layout structures, with numerous content regions (e.g. texts, figures, tables) densely arranged on each page. This makes the manual annotation of layout datasets expensive and inefficient. These…

机器学习 · 计算机科学 2021-03-31 Zejiang Shen , Jian Zhao , Melissa Dell , Yaoliang Yu , Weining Li

The deployment of advanced deep learning models for medical image segmentation is often constrained by the requirement for extensively annotated datasets. Weakly-supervised learning, which allows less precise labels, has become a promising…

计算机视觉与模式识别 · 计算机科学 2025-02-17 Thien B. Nguyen-Tat , Hoang-An Vo , Phuoc-Sang Dang

The utilisation of deep learning segmentation algorithms that learn complex organs and tissue patterns and extract essential regions of interest from the noisy background to improve the visual ability for medical image diagnosis has…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Yanming Guo

Using deep learning, we now have the ability to create exceptionally good semantic segmentation systems; however, collecting the prerequisite pixel-wise annotations for training images remains expensive and time-consuming. Therefore, it…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

Collecting large-scale medical datasets with fine-grained annotations is time-consuming and requires experts. For this reason, weakly supervised learning aims at optimising machine learning models using weaker forms of annotations, such as…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Gabriele Valvano , Andrea Leo , Sotirios A. Tsaftaris

Segmentation is essential for medical image analysis tasks such as intervention planning, therapy guidance, diagnosis, treatment decisions. Deep learning is becoming increasingly prominent for segmentation, where the lack of annotations,…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Firat Ozdemir , Zixuan Peng , Christine Tanner , Philipp Fuernstahl , Orcun Goksel

Weakly supervised LiDAR semantic segmentation has made significant strides with limited labeled data. However, most existing methods focus on the network training under weak supervision, while efficient annotation strategies remain largely…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Yilong Chen , Zongyi Xu , xiaoshui Huang , Ruicheng Zhang , Xinqi Jiang , Xinbo Gao

Segmentation using deep learning has shown promising directions in medical imaging as it aids in the analysis and diagnosis of diseases. Nevertheless, a main drawback of deep models is that they require a large amount of pixel-level labels,…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Sukesh Adiga , Jose Dolz , Herve Lombaert

Purpose: This study explores the feasibility of using generative machine learning (ML) to translate Optical Coherence Tomography (OCT) images into Optical Coherence Tomography Angiography (OCTA) images, potentially bypassing the need for…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Rashadul Hasan Badhon , Atalie Carina Thompson , Jennifer I. Lim , Theodore Leng , Minhaj Nur Alam

Deep-learning methods have recently started being employed for addressing surface-defect detection problems in industrial quality control. However, with a large amount of data needed for learning, often requiring high-precision labels, many…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Jakob Božič , Domen Tabernik , Danijel Skočaj

Deep neural networks (DNNs) have demonstrated exceptional performance across various image segmentation tasks. However, the process of preparing datasets for training segmentation DNNs is both labor-intensive and costly, as it typically…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Yixin Zhang , Shen Zhao , Hanxue Gu , Maciej A. Mazurowski

We present a weakly supervised deep learning method to perform instance segmentation of cells present in microscopy images. Annotation of biomedical images in the lab can be scarce, incomplete, and inaccurate. This is of concern when…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Fidel A. Guerrero-Peña , Pedro D. Marrero Fernandez , Tsang Ing Ren , Alexandre Cunha

In Active Domain Adaptation (ADA), one uses Active Learning (AL) to select a subset of images from the target domain, which are then annotated and used for supervised domain adaptation (DA). Given the large performance gap between…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Sharat Agarwal , Saket Anand , Chetan Arora