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Low-overlap regions between paired point clouds make the captured features very low-confidence, leading cutting edge models to point cloud registration with poor quality. Beyond the traditional wisdom, we raise an intriguing question: Is it…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Honghua Chen , Zeyong Wei , Yabin Xu , Mingqiang Wei , Jun Wang

In response to the growing importance of geospatial data, its analysis including semantic segmentation becomes an increasingly popular task in computer vision today. Convolutional neural networks are powerful visual models that yield…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Alexey Bokhovkin , Evgeny Burnaev

Deploying depth estimation networks in the real world requires high-level robustness against various adverse conditions to ensure safe and reliable autonomy. For this purpose, many autonomous vehicles employ multi-modal sensor systems,…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Ukcheol Shin , Kyunghyun Lee , Jean Oh

In this paper, we propose a multi-scale deep feature learning method for high-resolution satellite image classification. Specifically, we firstly warp the original satellite image into multiple different scales. The images in each scale are…

计算机视觉与模式识别 · 计算机科学 2016-11-14 Qingshan Liu , Renlong Hang , Huihui Song , Zhi Li

Astronomical images are often plagued by unwanted artifacts that arise from a number of sources including imperfect optics, faulty image sensors, cosmic ray hits, and even airplanes and artificial satellites. Spurious reflections (known as…

天体物理仪器与方法 · 物理学 2021-05-28 Chihway Chang , Alex Drlica-Wagner , Stephen M. Kent , Brian Nord , Donah Michelle Wang , Michael H. L. S. Wang

Transfer Learning methods are widely used in satellite image segmentation problems and improve performance upon classical supervised learning methods. In this study, we present a semantic segmentation method that allows us to make land…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Metehan Yalçın , Ahmet Alp Kındıroğlu , Furkan Burak Bağcı , Ufuk Uyan , Mahiye Uluyağmur Öztürk

A multi-level tunable reflection array wide-angle beam scanning method is proposed to address the limited bandwidth and small scanning angle issues of current terahertz beam scanning technology. In this method, a focusing lens and its array…

光学 · 物理学 2024-09-09 Weihua Yu , Hong Peng , Mingze Li , Haolin Li , Yuan Xue , Huikai Xie

Most uses of Meta-Learning in visual recognition are very often applied to image classification, with a relative lack of works in other tasks {such} as segmentation and detection. We propose a generic Meta-Learning framework for few-shot…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Hugo Oliveira , Pedro H. T. Gama , Isabelle Bloch , Roberto Marcondes Cesar

The key challenge of image manipulation detection is how to learn generalizable features that are sensitive to manipulations in novel data, whilst specific to prevent false alarms on authentic images. Current research emphasizes the…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Xinru Chen , Chengbo Dong , Jiaqi Ji , Juan Cao , Xirong Li

Classification of galactic morphologies is a crucial task in galactic astronomy, and identifying fine structures of galaxies (e.g., spiral arms, bars, and clumps) is an essential ingredient in such a classification task. However, seeing…

天体物理仪器与方法 · 物理学 2021-03-30 Fang Kai Gan , Kenji Bekki , Abdolhosein Hashemizadeh

Single-sample face recognition is one of the most challenging problems in face recognition. We propose a novel algorithm to address this problem based on a sparse representation based classification (SRC) framework. The new algorithm is…

计算机视觉与模式识别 · 计算机科学 2014-02-11 Liansheng Zhuang , Tsung-Han Chan , Allen Y. Yang , S. Shankar Sastry , Yi Ma

Image segmentation enables to extract quantitative measures from scans that can serve as imaging biomarkers for diseases. However, segmentation quality can vary substantially across scans, and therefore yield unfaithful estimates in the…

图像与视频处理 · 电气工程与系统科学 2020-11-03 J. Senapati , A. Guha Roy , S. Pölsterl , D. Gutmann , S. Gatidis , C. Schlett , A. Peters , F. Bamberg , C. Wachinger

Currently the semantic segmentation task of multispectral remotely sensed imagery (MSRSI) faces the following problems: 1) Usually, only single domain feature (i.e., space domain or frequency domain) is considered; 2) downsampling operation…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Chang Li , Pengfei Zhang , Yu Wang

Semantic Image Segmentation facilitates a multitude of real-world applications ranging from autonomous driving over industrial process supervision to vision aids for human beings. These models are usually trained in a supervised fashion…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Volker Knauthe , Arne Rak , Tristan Wirth , Thomas Pöllabauer , Simon Metzler , Arjan Kuijper , Dieter W. Fellner

By means of numerical simulations, we demonstrate the innovative use of computational ghost imaging in transmission electron microscopy to retrieve images with a resolution that overcomes the limitations imposed by coherent aberrations. The…

仪器与探测器 · 物理学 2024-11-20 P. Rosi , L. Viani , E. Rotunno , S. Frabboni , A. H. Tavabi , R. E. Dunin-Borkowski , A. Roncaglia , V. Grillo

Some transition disks host misaligned inner disks with radii of several au. Understanding the geometric and physical properties of these misaligned disks is essential for advancing terrestrial planet formation models. This study introduces…

地球与行星天体物理 · 物理学 2025-05-13 Ryuta Orihara , Munetake Momose

An algorithm is proposed for the segmentation of image into multiple levels using mean and standard deviation in the wavelet domain. The procedure provides for variable size segmentation with bigger block size around the mean, and having…

Moving cameras provide multiple intensity measurements per pixel, yet often semantic segmentation, material recognition, and object recognition do not utilize this information. With basic alignment over several frames of a moving camera…

计算机视觉与模式识别 · 计算机科学 2020-09-24 Jia Xue , Matthew Purri , Kristin Dana

A critical step in the digital surface models(DSM) generation is feature matching. Off-track (or multi-date) satellite stereo images, in particular, can challenge the performance of feature matching due to spectral distortions between…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Shuang Song , Luca Morelli , Xinyi Wu , Rongjun Qin , Hessah Albanwan , Fabio Remondino

A common problem with segmentation of medical images using neural networks is the difficulty to obtain a significant number of pixel-level annotated data for training. To address this issue, we proposed a semi-supervised segmentation…

计算机视觉与模式识别 · 计算机科学 2023-02-23 Ange Lou , Kareem Tawfik , Xing Yao , Ziteng Liu , Jack Noble