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Convolutional neural networks (CNN) have been shown to provide a good solution for classification problems that utilize data obtained from vibrational spectroscopy. Moreover, CNNs are capable of identification from noisy spectra without the…

信号处理 · 电气工程与系统科学 2018-06-27 Jinchao Liu , Stuart J. Gibson , James Mills , Margarita Osadchy

Ensembles of Convolutional neural networks have shown remarkable results in learning discriminative semantic features for image classification tasks. Though, the models in the ensemble often concentrate on similar regions in images. This…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Tobias Schlagenhauf , Yiwen Lin , Benjamin Noack

Deep learning techniques have achieved great success in remote sensing image change detection. Most of them are supervised techniques, which usually require large amounts of training data and are limited to a particular application.…

图像与视频处理 · 电气工程与系统科学 2021-10-11 Yuxing Chen , Lorenzo Bruzzone

Very-high-resolution (VHR) remote sensing (RS) image change detection (CD) has been a challenging task for its very rich spatial information and sample imbalance problem. In this paper, we have proposed a hierarchical change guiding map…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Chengxi Han , Chen Wu , Bo Du

Unaligned Scene Change Detection aims to detect scene changes between image pairs captured at different times without assuming viewpoint alignment. To handle viewpoint variations, current methods rely solely on 2D visual cues to establish…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Ziling Liu , Ziwei Chen , Mingqi Gao , Jinyu Yang , Feng Zheng

In recent years, deep learning-based point cloud normal estimation has made great progress. However, existing methods mainly rely on the PCPNet dataset, leading to overfitting. In addition, the correlation between point clouds with…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Wei Jin , Jun Zhou , Nannan Li , Haba Madeline , Xiuping Liu

Remote sensing change detection aims to compare two or more images recorded for the same area but taken at different time stamps to quantitatively and qualitatively assess changes in geographical entities and environmental factors.…

计算机视觉与模式识别 · 计算机科学 2024-06-24 Xiaowen Ma , Zhenkai Wu , Rongrong Lian , Wei Zhang , Siyang Song

Contrastive learning is a major studied topic in metric learning. However, sampling effective contrastive pairs remains a challenge due to factors such as limited batch size, imbalanced data distribution, and the risk of overfitting. In…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Bolun Cai , Pengfei Xiong , Shangxuan Tian

We demonstrate the potential of Deep Learning methods for measurements of cosmological parameters from density fields, focusing on the extraction of non-Gaussian information. We consider weak lensing mass maps as our dataset. We aim for our…

宇宙学与河外天体物理 · 物理学 2017-07-19 Jorit Schmelzle , Aurelien Lucchi , Tomasz Kacprzak , Adam Amara , Raphael Sgier , Alexandre Réfrégier , Thomas Hofmann

Synthetic aperture radar (SAR) image change detection is a critical yet challenging task in the field of remote sensing image analysis. The task is non-trivial due to the following challenges: Firstly, intrinsic speckle noise of SAR images…

图像与视频处理 · 电气工程与系统科学 2021-10-19 Yunhao Gao , Feng Gao , Junyu Dong , Qian Du , Heng-Chao Li

Recently, change detection methods for synthetic aperture radar (SAR) images based on convolutional neural networks (CNN) have gained increasing research attention. However, existing CNN-based methods neglect the interactions among…

图像与视频处理 · 电气工程与系统科学 2022-10-05 Desen Meng , Feng Gao , Junyu Dong , Qian Du , Heng-Chao Li

The precise combination of image sensor and micro-lens array enables lenslet light field cameras to record both angular and spatial information of incoming light, therefore, one can calculate disparity and depth from light field images. In…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Haoxin Ma , Haotian Li , Zhiwen Qian , Shengxian Shi , Tingting Mu

Automatic defect detection for 3D printing processes, which shares many characteristics with change detection problems, is a vital step for quality control of 3D printed products. However, there are some critical challenges in the current…

计算机视觉与模式识别 · 计算机科学 2023-08-04 Yushuo Niu , Ethan Chadwick , Anson W. K. Ma , Qian Yang

Change detection in optical remote sensing imagery is susceptible to illumination fluctuations, seasonal changes, and variations in surface land-cover materials. Relying solely on RGB imagery often produces pseudo-changes and leads to…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Ye Wang , Wei Lu , Zhihui You , Keyan Chen , Tongfei Liu , Kaiyu Li , Hongruixuan Chen , Qingling Shu , Sibao Chen

Training networks to perform metric relocalization traditionally requires accurate image correspondences. In practice, these are obtained by restricting domain coverage, employing additional sensors, or capturing large multi-view datasets.…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Mike Kasper , Fernando Nobre , Christoffer Heckman , Nima Keivan

This paper presents a fully unsupervised deep change detection approach for mobile robots with 3D LiDAR. In unstructured environments, it is infeasible to define a closed set of semantic classes. Instead, semantic segmentation is…

机器人学 · 计算机科学 2024-05-01 Alexander Krawciw , Jordy Sehn , Timothy D. Barfoot

Change detection typically involves identifying regions with changes between bitemporal images taken at the same location. Besides significant changes, slow changes in bitemporal images are also important in real-life scenarios. For…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Haoxuan Li , Chenxu Wei , Haodong Wang , Xiaomeng Hu , Boyuan An , Lingyan Ran , Baosen Zhang , Jin Jin , Omirzhan Taukebayev , Amirkhan Temirbayev , Junrui Liu , Xiuwei Zhang

Contrast pattern mining (CPM) aims to discover patterns whose support increases significantly from a background dataset compared to a target dataset. CPM is particularly useful for characterising changes in evolving systems, e.g., in…

网络与互联网体系结构 · 计算机科学 2020-12-01 Elaheh AlipourChavary , Sarah M. Erfani , Christopher Leckie

Remote sensing scene classification plays a key role in Earth observation by enabling the automatic identification of land use and land cover (LULC) patterns from aerial and satellite imagery. Despite recent progress with convolutional…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Mohammed Q. Alkhatib , Ali Jamali , Swalpa Kumar Roy

Semiconductor manufacturing is an extremely complex process, characterized by thousands of interdependent parameters collected across diverse tools and process steps. Multi-variate time-series (MTS) analysis has emerged as a critical…

机器学习 · 计算机科学 2025-07-04 Bappaditya Dey , Daniel Sorensen , Minjin Hwang , Sandip Halder