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Supervised learning for semantic segmentation requires a large number of labeled samples, which is difficult to obtain in the field of remote sensing. Self-supervised learning (SSL), can be used to solve such problems by pre-training a…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Haifeng Li , Yi Li , Guo Zhang , Ruoyun Liu , Haozhe Huang , Qing Zhu , Chao Tao

Image harmonization aims to modify the color of the composited region with respect to the specific background. Previous works model this task as a pixel-wise image-to-image translation using UNet family structures. However, the model size…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Jingtang Liang , Xiaodong Cun , Chi-Man Pun , Jue Wang

Self-supervised learning shows great potential in monoculardepth estimation, using image sequences as the only source ofsupervision. Although people try to use the high-resolutionimage for depth estimation, the accuracy of prediction hasnot…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Xiaoyang Lyu , Liang Liu , Mengmeng Wang , Xin Kong , Lina Liu , Yong Liu , Xinxin Chen , Yi Yuan

The aim of surface defect detection is to identify and localise abnormal regions on the surfaces of captured objects, a task that's increasingly demanded across various industries. Current approaches frequently fail to fulfil the extensive…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Blaž Rolih , Matic Fučka , Danijel Skočaj

In this paper, we propose a compact network called CUNet (compact unsupervised network) to counter the image classification challenge. Different from the traditional convolutional neural networks learning filters by the time-consuming…

计算机视觉与模式识别 · 计算机科学 2016-07-07 Le Dong , Ling He , Gaipeng Kong , Qianni Zhang , Xiaochun Cao , Ebroul Izquierdo

Unsupervised learning has always been appealing to machine learning researchers and practitioners, allowing them to avoid an expensive and complicated process of labeling the data. However, unsupervised learning of complex data is…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Evgenii Zheltonozhskii , Chaim Baskin , Alex M. Bronstein , Avi Mendelson

We propose a method of aligning a source image to a target image, where the transform is specified by a dense vector field. The two images are encoded as feature hierarchies by siamese convolutional nets. Then a hierarchy of aligner modules…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Eric Mitchell , Stefan Keselj , Sergiy Popovych , Davit Buniatyan , H. Sebastian Seung

The remote sensing image change detection task is an essential method for large-scale monitoring. We propose HSANet, a network that uses hierarchical convolution to extract multi-scale features. It incorporates hybrid self-attention and…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Chengxi Han , Xiaoyu Su , Zhiqiang Wei , Meiqi Hu , Yichu Xu

Most of the achievements in artificial intelligence so far were accomplished by supervised learning which requires numerous annotated training data and thus costs innumerable manpower for labeling. Unsupervised learning is one of the…

计算机视觉与模式识别 · 计算机科学 2021-06-14 Mingxiang Chen , Zhanguo Chang , Haonan Lu , Bitao Yang , Zhuang Li , Liufang Guo , Zhecheng Wang

The matching of 3D shapes has been extensively studied for shapes represented as surface meshes, as well as for shapes represented as point clouds. While point clouds are a common representation of raw real-world 3D data (e.g. from laser…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Dongliang Cao , Florian Bernard

In text recognition, self-supervised pre-training emerges as a good solution to reduce dependence on expansive annotated real data. Previous studies primarily focus on local visual representation by leveraging mask image modeling or…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Zuan Gao , Yuxin Wang , Yadong Qu , Boqiang Zhang , Zixiao Wang , Jianjun Xu , Hongtao Xie

Spectral clustering is a leading and popular technique in unsupervised data analysis. Two of its major limitations are scalability and generalization of the spectral embedding (i.e., out-of-sample-extension). In this paper we introduce a…

机器学习 · 统计学 2024-11-06 Uri Shaham , Kelly Stanton , Henry Li , Boaz Nadler , Ronen Basri , Yuval Kluger

We propose a method for self-supervised image representation learning under the guidance of 3D geometric consistency. Our intuition is that 3D geometric consistency priors such as smooth regions and surface discontinuities may imply…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Nenglun Chen , Lei Chu , Hao Pan , Yan Lu , Wenping Wang

Current self-supervised denoising methods for paired noisy images typically involve mapping one noisy image through the network to the other noisy image. However, after measuring the spectral bias of such methods using our proposed Image…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Wang Zhang , Huaqiu Li , Xiaowan Hu , Tao Jiang , Zikang Chen , Haoqian Wang

Linear spectral unmixing is an essential technique in hyperspectral image processing and interpretation. In recent years, deep learning-based approaches have shown great promise in hyperspectral unmixing, in particular, unsupervised…

图像与视频处理 · 电气工程与系统科学 2022-08-10 Lin Qi , Feng Gao , Junyu Dong , Xinbo Gao , Qian Du

Spatiotemporal time series forecasting plays a key role in a wide range of real-world applications. While significant progress has been made in this area, fully capturing and leveraging spatiotemporal heterogeneity remains a fundamental…

机器学习 · 计算机科学 2024-09-04 Zheng Dong , Renhe Jiang , Haotian Gao , Hangchen Liu , Jinliang Deng , Qingsong Wen , Xuan Song

Although large-scale labeled data are essential for deep convolutional neural networks (ConvNets) to learn high-level semantic visual representations, it is time-consuming and impractical to collect and annotate large-scale datasets. A…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Huili Huang , M. Mahdi Roozbahani

With increasing urbanization, transportation plays an increasingly critical role in city development. The number of studies on modeling, optimization, simulation, and data analysis of transportation systems is on the rise. Many of these…

机器学习 · 计算机科学 2023-11-27 Sina Sabzekar , Mohammad Reza Valipour Malakshah , Zahra Amini

Manually annotating complex scene point cloud datasets is both costly and error-prone. To reduce the reliance on labeled data, a new model called SnapshotNet is proposed as a self-supervised feature learning approach, which directly works…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Xingye Li , Ling Zhang , Zhigang Zhu

Total hip arthroplasty (THA) relies on accurate landmark detection from radiographic images, but unstructured data caused by irregular patient postures or occluded anatomical markers pose significant challenges for existing methods. To…

图像与视频处理 · 电气工程与系统科学 2024-11-14 Jiaxin Wan , Lin Liu , Haoran Wang , Liangwei Li , Wei Li , Shuheng Kou , Runtian Li , Jiayi Tang , Juanxiu Liu , Jing Zhang , Xiaohui Du , Ruqian Hao