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相关论文: VAMAE: Vessel-Aware Masked Autoencoders for OCT An…

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Accurate vessel segmentation in X-ray angiograms is crucial for numerous clinical applications. However, the scarcity of annotated data presents a significant challenge, which has driven the adoption of self-supervised learning (SSL)…

计算机视觉与模式识别 · 计算机科学 2025-11-14 De-Xing Huang , Xiao-Hu Zhou , Mei-Jiang Gui , Xiao-Liang Xie , Shi-Qi Liu , Shuang-Yi Wang , Tian-Yu Xiang , Rui-Ze Ma , Nu-Fang Xiao , Zeng-Guang Hou

Echocardiography is a widely used modality for cardiac assessment due to its non-invasive and cost-effective nature, but the sparse and heterogeneous spatiotemporal views of the heart pose distinct challenges. Existing masked autoencoder…

Optical coherence tomography angiography (OCTA) is a novel imaging modality that has been widely utilized in ophthalmology and neuroscience studies to observe retinal vessels and microvascular systems. However, publicly available OCTA…

图像与视频处理 · 电气工程与系统科学 2022-12-27 Mingchao Li , Kun Huang , Qiuzhuo Xu , Jiadong Yang , Yuhan Zhang , Zexuan Ji , Keren Xie , Songtao Yuan , Qinghuai Liu , Qiang Chen

Segmentation of indicated targets aids in the precise analysis of optical coherence tomography angiography (OCTA) samples. Existing segmentation methods typically perform on 2D projection targets, making it challenging to capture the…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Xinrun Chen , Chengliang Wang , Haojian Ning , Mengzhan Zhang , Mei Shen , Shiying Li

X-ray angiography is the gold standard imaging modality for cardiovascular diseases. However, current deep learning approaches for X-ray angiogram analysis are severely constrained by the scarcity of annotated data. While large-scale…

计算机视觉与模式识别 · 计算机科学 2026-02-13 De-Xing Huang , Chaohui Yu , Xiao-Hu Zhou , Tian-Yu Xiang , Qin-Yi Zhang , Mei-Jiang Gui , Rui-Ze Ma , Chen-Yu Wang , Nu-Fang Xiao , Fan Wang , Zeng-Guang Hou

Coronary calcification creates blooming artifacts in Computed Tomography Angiography (CTA), severely hampering the diagnosis of lumen stenosis. While Deep Convolutional Neural Networks (DCNNs) like Dense-Unet have shown promise in removing…

计算机视觉与模式识别 · 计算机科学 2026-01-07 Mo Chen

Masked Autoencoder (MAE) is a notable method for self-supervised pretraining in visual representation learning. It operates by randomly masking image patches and reconstructing these masked patches using the unmasked ones. A key limitation…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Han Guo , Ramtin Hosseini , Ruiyi Zhang , Sai Ashish Somayajula , Ranak Roy Chowdhury , Rajesh K. Gupta , Pengtao Xie

Despite significant advances in artificial intelligence (AI) for computer vision, its application in medical imaging has been limited by the burden and limits of expert-generated labels. We used images from optical coherence tomography…

计算机视觉与模式识别 · 计算机科学 2018-02-27 Cecilia S. Lee , Ariel J. Tyring , Yue Wu , Sa Xiao , Ariel S. Rokem , Nicolaas P. Deruyter , Qinqin Zhang , Adnan Tufail , Ruikang K. Wang , Aaron Y. Lee

We introduce a novel framework for learning vector representations of tree-structured geometric data focusing on 3D vascular networks. Our approach employs two sequentially trained Transformer-based autoencoders. In the first stage, the…

图像与视频处理 · 电气工程与系统科学 2025-06-16 James Batten , Michiel Schaap , Matthew Sinclair , Ying Bai , Ben Glocker

Optical coherence tomography angiography (OCTA) is a novel noninvasive imaging modality for visualization of retinal blood flow in the human retina. Using specific OCTA imaging biomarkers for the identification of pathologies, automated…

图像与视频处理 · 电气工程与系统科学 2025-04-09 Anna Breger , Felix Goldbach , Bianca S. Gerendas , Ursula Schmidt-Erfurth , Martin Ehler

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

"Masked Autoencoders (MAE) Are Scalable Vision Learners" revolutionizes the self-supervised learning method in that it not only achieves the state-of-the-art for image pre-training, but is also a milestone that bridges the gap between…

计算机视觉与模式识别 · 计算机科学 2022-02-10 Shuhao Cao , Peng Xu , David A. Clifton

Vision Transformers (ViT) become widely-adopted architectures for various vision tasks. Masked auto-encoding for feature pretraining and multi-scale hybrid convolution-transformer architectures can further unleash the potentials of ViT,…

计算机视觉与模式识别 · 计算机科学 2022-05-20 Peng Gao , Teli Ma , Hongsheng Li , Ziyi Lin , Jifeng Dai , Yu Qiao

The development of robust and generalisable models for encoding the spatio-temporal dynamics of human brain activity is crucial for advancing neuroscientific discoveries. However, significant individual variation in the organisation of the…

图像与视频处理 · 电气工程与系统科学 2024-06-12 Simon Dahan , Logan Z. J. Williams , Yourong Guo , Daniel Rueckert , Emma C. Robinson

Masked Autoencoders (MAEs) have emerged as a dominant strategy for self-supervised representation learning in natural images, where models are pre-trained to reconstruct masked patches with a pixel-wise mean squared error (MSE) between…

图像与视频处理 · 电气工程与系统科学 2025-07-16 Chetan Madan , Aarjav Satia , Soumen Basu , Pankaj Gupta , Usha Dutta , Chetan Arora

Intracoronary Optical Coherence Tomography (OCT) enables high-resolution visualization of coronary vessel anatomy but presents challenges due to noise, imaging artifacts, and complex tissue structures. This paper proposes a fully automated…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Amal Lahchim , Lambros Athanasiou

Optical coherence tomography angiography (OCTA) is an important imaging modality in many bioengineering tasks. The image quality of OCTA, however, is often degraded by Bulk Motion Artifacts (BMA), which are due to micromotion of subjects…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Jiaxiang Ren , Kicheon Park , Yingtian Pan , Haibin Ling

Automated vascular segmentation on optical coherence tomography angiography (OCTA) is important for the quantitative analyses of retinal microvasculature in neuroretinal and systemic diseases. Despite recent improvements, artifacts continue…

图像与视频处理 · 电气工程与系统科学 2021-04-22 Yih-Cherng Lee , Ling Yeung

Optical coherence tomography angiography (OCTA) is a novel non-invasive imaging technique that allows visualizations of vasculature and foveal avascular zone (FAZ) across retinal layers. Clinical researches suggest that the morphology and…

图像与视频处理 · 电气工程与系统科学 2021-07-14 Li Lin , Zhonghua Wang , Jiewei Wu , Yijin Huang , Junyan Lyu , Pujin Cheng , Jiong Wu , Xiaoying Tang

Optical coherence tomography angiography (OCTA) is an imaging technique that allows for non-invasive investigation of the microvasculature in the retina. OCTA uses laser light reflectance to measure moving blood cells. Hereby, it visualizes…

组织与器官 · 定量生物学 2020-02-11 Astrid M. E. Engberg , Vedrana A. Dahl , Anders B. Dahl