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Image clustering is a very useful technique that is widely applied to various areas, including remote sensing. Recently, visual representations by self-supervised learning have greatly improved the performance of image clustering. To…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Qinglin Li , Guoping Qiu

Depth estimation from a single image is an important task that can be applied to various fields in computer vision, and has grown rapidly with the development of convolutional neural networks. In this paper, we propose a novel structure and…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Doyeon Kim , Woonghyun Ka , Pyungwhan Ahn , Donggyu Joo , Sehwan Chun , Junmo Kim

Point cloud upsampling aims to generate dense point clouds from given sparse ones, which is a challenging task due to the irregular and unordered nature of point sets. To address this issue, we present a novel deep learning-based model,…

计算机视觉与模式识别 · 计算机科学 2022-06-09 Aihua Mao , Zihui Du , Junhui Hou , Yaqi Duan , Yong-jin Liu , Ying He

Deep learning methods for pansharpening have advanced rapidly, yet models pretrained on data from a specific sensor often generalize poorly to data from other sensors. Existing methods to tackle such cross-sensor degradation include…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Tianyu Xin , Jin-Liang Xiao , Zeyu Xia , Shan Yin , Liang-Jian Deng

Encoder-decoder networks have found widespread use in various dense prediction tasks. However, the strong reduction of spatial resolution in the encoder leads to a loss of location information as well as boundary artifacts. To address this,…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Anne S. Wannenwetsch , Stefan Roth

We present PROSUB: PROgressive SUBsampling, a deep learning based, automated methodology that subsamples an oversampled data set (e.g. multi-channeled 3D images) with minimal loss of information. We build upon a recent dual-network approach…

图像与视频处理 · 电气工程与系统科学 2022-10-12 Stefano B. Blumberg , Hongxiang Lin , Francesco Grussu , Yukun Zhou , Matteo Figini , Daniel C. Alexander

Although several image super-resolution solutions exist, they still face many challenges. CNN-based algorithms, despite the reduction in computational complexity, still need to improve their accuracy. While Transformer-based algorithms have…

计算机视觉与模式识别 · 计算机科学 2024-05-03 Nianzu Qiao , Lamei Di , Changyin Sun

Remote patient monitoring has emerged as a prominent non-invasive method, using digital technologies and computer vision (CV) to replace traditional invasive monitoring. While neonatal and pediatric departments embrace this approach,…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Mario Francisco Munoz , Hoang Vu Huy , Thanh-Dung Le

We present a novel method for accurate and efficient up- sampling of sparse depth data, guided by high-resolution imagery. Our approach goes beyond the use of intensity cues only and additionally exploits object boundary cues through…

计算机视觉与模式识别 · 计算机科学 2016-08-03 Nick Schneider , Lukas Schneider , Peter Pinggera , Uwe Franke , Marc Pollefeys , Christoph Stiller

Molecular subtyping of breast cancer is crucial for personalized treatment and prognosis. Traditional classification approaches rely on either histopathological images or gene expression profiling, limiting their predictive power. In this…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Amin Honarmandi Shandiz

Pansharpening is to fuse a multispectral image (MSI) of low-spatial-resolution (LR) but rich spectral characteristics with a panchromatic image (PAN) of high-spatial-resolution (HR) but poor spectral characteristics. Traditional methods…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Ying Qu , Razieh Kaviani Baghbaderani , Hairong Qi , Chiman Kwan

Point clouds obtained from 3D sensors are usually sparse. Existing methods mainly focus on upsampling sparse point clouds in a supervised manner by using dense ground truth point clouds. In this paper, we propose a self-supervised point…

计算机视觉与模式识别 · 计算机科学 2021-08-04 Yifan Zhao , Le Hui , Jin Xie

Computational image reconstruction algorithms generally produce a single image without any measure of uncertainty or confidence. Regularized Maximum Likelihood (RML) and feed-forward deep learning approaches for inverse problems typically…

机器学习 · 计算机科学 2020-12-18 He Sun , Katherine L. Bouman

To defend against manipulation of image content, such as splicing, copy-move, and removal, we develop a Progressive Spatio-Channel Correlation Network (PSCC-Net) to detect and localize image manipulations. PSCC-Net processes the image in a…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Xiaohong Liu , Yaojie Liu , Jun Chen , Xiaoming Liu

Pansharpening aims to generate high-resolution multi-spectral images by fusing the spatial detail of panchromatic images with the spectral richness of low-resolution MS data. However, most existing methods are evaluated under limited,…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Ke Cao , Xuanhua He , Xueheng Li , Lingting Zhu , Yingying Wang , Ao Ma , Zhanjie Zhang , Man Zhou , Chengjun Xie , Jie Zhang

To improve the classification performance in the context of hyperspectral image processing, many works have been developed based on two common strategies, namely the spatial-spectral information integration and the utilization of neural…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Yi Liang , Xin Zhao , Alan J. X. Guo , Fei Zhu

Magnetic resonance imaging (MRI) is mainly limited by long scanning time and vulnerable to human tissue motion artifacts, in 3D clinical scenarios. Thus, k-space undersampling is used to accelerate the acquisition of MRI while leading to…

图像与视频处理 · 电气工程与系统科学 2022-01-11 Shengke Xue , Ruiliang Bai , Xinyu Jin

Pansharpening aims at fusing a panchromatic image with a multispectral one, to generate an image with the high spatial resolution of the former and the high spectral resolution of the latter. In the last decade, many algorithms have been…

This paper addresses the problem of generating dense point clouds from given sparse point clouds to model the underlying geometric structures of objects/scenes. To tackle this challenging issue, we propose a novel end-to-end learning-based…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Yue Qian , Junhui Hou , Sam Kwong , Ying He

Ptychography is an emerging imaging technique that is able to provide wavelength-limited spatial resolution from specimen with extended lateral dimensions. As a scanning microscopy method, a typical two-dimensional image requires a number…