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Tremendous efforts have been made on document image rectification, but how to learn effective representation of such distorted images is still under-explored. In this paper, we present DocMAE, a novel self-supervised framework for document…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Shaokai Liu , Hao Feng , Wengang Zhou , Houqiang Li , Cong Liu , Feng Wu

Unsupervised learning has been a long-standing goal of machine learning and is especially important for medical image analysis, where the learning can compensate for the scarcity of labeled datasets. A promising subclass of unsupervised…

图像与视频处理 · 电气工程与系统科学 2021-09-09 Ozan Ciga , Tony Xu , Anne L. Martel

We consider the problem of image representation for the tasks of unsupervised learning and semi-supervised learning. In those learning tasks, the raw image vectors may not provide enough representation for their intrinsic structures due to…

机器学习 · 计算机科学 2014-02-20 Yiyi Liao , Yue Wang , Yong Liu

Masked autoencoders (MAEs) have emerged as a powerful approach for pre-training on unlabelled data, capable of learning robust and informative feature representations. This is particularly advantageous in diffused lung disease research,…

Self-supervised learning (SSL) approaches have achieved great success when the amount of labeled data is limited. Within SSL, models learn robust feature representations by solving pretext tasks. One such pretext task is contrastive…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Jamshid Hassanpour , Vinkle Srivastav , Didier Mutter , Nicolas Padoy

Deep learning has demonstrated significant improvements in medical image segmentation using a sufficiently large amount of training data with manual labels. Acquiring well-representative labels requires expert knowledge and exhaustive…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Jinxi Xiang , Zhuowei Li , Wenji Wang , Qing Xia , Shaoting Zhang

Self-supervised learning (SSL) has been successful in building patch embeddings of small histology images (e.g., 224x224 pixels), but scaling these models to learn slide embeddings from the entirety of giga-pixel whole-slide images (WSIs)…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Guillaume Jaume , Lukas Oldenburg , Anurag Vaidya , Richard J. Chen , Drew F. K. Williamson , Thomas Peeters , Andrew H. Song , Faisal Mahmood

We propose a masked self-supervised learning framework, called BRepMAE, for automatically extracting a valuable representation of the input computer-aided design (CAD) model to recognize its machining features. Representation learning is…

图形学 · 计算机科学 2026-02-27 Can Yao , Kang Wu , Zuheng Zheng , Siyuan Xing , Xiao-Ming Fu

We introduce a novel masked graph autoencoder (MGAE) framework to perform effective learning on graph structure data. Taking insights from self-supervised learning, we randomly mask a large proportion of edges and try to reconstruct these…

机器学习 · 计算机科学 2022-01-10 Qiaoyu Tan , Ninghao Liu , Xiao Huang , Rui Chen , Soo-Hyun Choi , Xia Hu

Diffusion Probabilistic Models (DPMs) have shown a powerful capacity of generating high-quality image samples. Recently, diffusion autoencoders (Diff-AE) have been proposed to explore DPMs for representation learning via autoencoding. Their…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Zijian Zhang , Zhou Zhao , Zhijie Lin

Accurate imputation of missing laboratory values in electronic health records (EHRs) is critical to enable robust clinical predictions and reduce biases in AI systems in healthcare. Existing methods, such as XGBoost, softimpute, GAIN,…

Contrastive Masked Autoencoder (CMAE), as a new self-supervised framework, has shown its potential of learning expressive feature representations in visual image recognition. This work shows that CMAE also trivially generalizes well on…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Cheng-Ze Lu , Xiaojie Jin , Zhicheng Huang , Qibin Hou , Ming-Ming Cheng , Jiashi Feng

Graph clustering, aiming to partition nodes of a graph into various groups via an unsupervised approach, is an attractive topic in recent years. To improve the representative ability, several graph auto-encoder (GAE) models, which are based…

机器学习 · 计算机科学 2021-03-16 Hongyuan Zhang , Rui Zhang , Xuelong Li

Self-Supervised Learning (SSL) has emerged as a key technique in machine learning, tackling challenges such as limited labeled data, high annotation costs, and variable wireless channel conditions. It is essential for developing Channel…

信号处理 · 电气工程与系统科学 2026-01-08 Jun Jiang , Xiaolong Ruan , Shugong Xu

Classical autoencoders are widely used to learn features of input data. To improve the feature learning, classical masked autoencoders extend classical autoencoders to learn the features of the original input sample in the presence of…

量子物理 · 物理学 2026-05-01 Emma Andrews , Prabhat Mishra

Self-supervised pre-training of image encoders is omnipresent in the literature, particularly following the introduction of Masked autoencoders (MAE). Current efforts attempt to learn object-centric representations from motion in videos. In…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Alexandre Eymaël , Renaud Vandeghen , Anthony Cioppa , Silvio Giancola , Bernard Ghanem , Marc Van Droogenbroeck

Digital pathological analysis is run as the main examination used for cancer diagnosis. Recently, deep learning-driven feature extraction from pathology images is able to detect genetic variations and tumor environment, but few studies…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Haojie Huang , Gongming Zhou , Xuejun Liu , Lei Deng , Chen Wu , Dachuan Zhang , Hui Liu

Autoencoders are unsupervised deep learning models used for learning representations. In literature, autoencoders have shown to perform well on a variety of tasks spread across multiple domains, thereby establishing widespread…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Maneet Singh , Shruti Nagpal , Mayank Vatsa , Richa Singh , Afzel Noore

Learning interpretable representations of data remains a central challenge in deep learning. When training a deep generative model, the observed data are often associated with certain categorical labels, and, in parallel with learning to…

机器学习 · 计算机科学 2019-10-01 Yifan Xue , Michael Ding , Xinghua Lu

Recently, deep neural networks have greatly advanced histopathology image segmentation but usually require abundant annotated data. However, due to the gigapixel scale of whole slide images and pathologists' heavy daily workload, obtaining…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Wentao Pan , Jiangpeng Yan , Hanbo Chen , Jiawei Yang , Zhe Xu , Xiu Li , Jianhua Yao