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Deep learning has proven to be an essential tool for medical image analysis. However, the need for accurately labeled input data, often requiring time- and labor-intensive annotation by experts, is a major limitation to the use of deep…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Darvin Yi , Endre Grøvik , Michael Iv , Elizabeth Tong , Greg Zaharchuk , Daniel Rubin

Computer aided diagnostics often requires analysis of a region of interest (ROI) within a radiology scan, and the ROI may be an organ or a suborgan. Although deep learning algorithms have the ability to outperform other methods, they rely…

图像与视频处理 · 电气工程与系统科学 2021-12-08 Sankaran Iyer , Alan Blair , Laughlin Dawes , Daniel Moses , Christopher White , Arcot Sowmya

It is generally accepted that one of the critical parts of current vision algorithms based on deep learning and convolutional neural networks is the annotation of a sufficient number of images to achieve competitive performance. This is…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Kai Yao , Alberto Ortiz , Francisco Bonnin-Pascual

In image classification, a significant problem arises from bias in the datasets. When it contains only specific types of images, the classifier begins to rely on shortcuts - simplistic and erroneous rules for decision-making. This leads to…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Minsuk Chang , Seokhyeon Park , Hyeon Jeon , Aeri Cho , Soohyun Lee , Jinwook Seo

3D image segmentation is one of the most important and ubiquitous problems in medical image processing. It provides detailed quantitative analysis for accurate disease diagnosis, abnormal detection, and classification. Currently deep…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Zhenxi Zhang , Jie Li , Zhusi Zhong , Zhicheng Jiao , Xinbo Gao

Image-text contrastive learning has proven effective for pretraining medical image models. When targeting localized downstream tasks like semantic segmentation or object detection, additional local contrastive losses that align image…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Philip Müller , Georgios Kaissis , Daniel Rueckert

We present a high-performance method that can achieve mask-level instance segmentation with only bounding-box annotations for training. While this setting has been studied in the literature, here we show significantly stronger performance…

计算机视觉与模式识别 · 计算机科学 2020-12-07 Zhi Tian , Chunhua Shen , Xinlong Wang , Hao Chen

The convention standard for object detection uses a bounding box to represent each individual object instance. However, it is not practical in the industry-relevant applications in the context of warehouses due to severe occlusions among…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Yuanqiang Cai , Longyin Wen , Libo Zhang , Dawei Du , Weiqiang Wang

We propose approaches based on deep learning to localize objects in images when only a small training dataset is available and the images have low quality. That applies to many problems in medical image processing, and in particular to the…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Aaron Pries , Peter J. Schreier , Artur Lamm , Stefan Pede , Jürgen Schmidt

Recent advances in deep learning greatly boost the performance of object detection. State-of-the-art methods such as Faster-RCNN, FPN and R-FCN have achieved high accuracy in challenging benchmark datasets. However, these methods require…

计算机视觉与模式识别 · 计算机科学 2019-08-15 Hao Yang , Hao Wu , Hao Chen

Image guidance has been widely used in radiation therapy. Correctly identifying the bounding box of the anatomical landmarks from limited field of views is the key to success. In image-guided radiation therapy (IGRT), the detection of those…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Yunhe Xie , Kongbin Kang , Gregory Sharp , David P. Gierga , Theodore S. Hong , Thomas Bortfeld

One of the key challenges in the battle against the Coronavirus (COVID-19) pandemic is to detect and quantify the severity of the disease in a timely manner. Computed tomographies (CT) of the lungs are effective for assessing the state of…

The success of fully supervised saliency detection models depends on a large number of pixel-wise labeling. In this paper, we work on bounding-box based weakly-supervised saliency detection to relieve the labeling effort. Given the bounding…

计算机视觉与模式识别 · 计算机科学 2022-05-12 Mengqi He , Jing Zhang , Wenxin Yu

Instance segmentation methods often require costly per-pixel labels. We propose a method that only requires point-level annotations. During training, the model only has access to a single pixel label per object, yet the task is to output…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Issam H. Laradji , Negar Rostamzadeh , Pedro O. Pinheiro , David Vazquez , Mark Schmidt

Many recent machine learning approaches used in medical imaging are highly reliant on large amounts of image and ground truth data. In the context of object segmentation, pixel-wise annotations are extremely expensive to collect, especially…

计算机视觉与模式识别 · 计算机科学 2017-07-18 Laurent Lejeune , Mario Christoudias , Raphael Sznitman

Instance segmentation is of great importance for many biological applications, such as study of neural cell interactions, plant phenotyping, and quantitatively measuring how cells react to drug treatment. In this paper, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Jingru Yi , Pengxiang Wu , Hui Tang , Bo Liu , Qiaoying Huang , Hui Qu , Lianyi Han , Wei Fan , Daniel J. Hoeppner , Dimitris N. Metaxas

Automatic X-ray prohibited item detection is vital for public safety. Existing deep learning-based methods all assume that the annotations of training X-ray images are correct. However, obtaining correct annotations is extremely hard if not…

计算机视觉与模式识别 · 计算机科学 2025-01-06 Ruikang Chen , Yan Yan , Jing-Hao Xue , Yang Lu , Hanzi Wang

We propose a method for annotating the location of objects in ImageNet. Traditionally, this is cast as an image window classification problem, where each window is considered independently and scored based on its appearance alone. Instead,…

计算机视觉与模式识别 · 计算机科学 2015-08-05 Alexander Vezhnevets , Vittorio Ferrari

Object detection or localization is an incremental step in progression from coarse to fine digital image inference. It not only provides the classes of the image objects, but also provides the location of the image objects which have been…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Abdul Mueed Hafiz , Ghulam Mohiuddin Bhat

We demonstrate identification of position, material, orientation and shape of objects imaged by an $^{85}$Rb atomic magnetometer performing electromagnetic induction imaging supported by machine learning. Machine learning maximizes the…

原子物理 · 物理学 2018-01-24 Cameron Deans , Lewis D. Griffin , Luca Marmugi , Ferruccio Renzoni