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The ship-detection task in satellite imagery presents significant obstacles to even the most state of the art segmentation models due to lack of labelled dataset or approaches which are not able to generalize to unseen images. The most…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Venkatesh R , Anand Metha

Semantic segmentation of remotely sensed images plays an important role in land resource management, yield estimation, and economic assessment. U-Net, a deep encoder-decoder architecture, has been used frequently for image segmentation with…

图像与视频处理 · 电气工程与系统科学 2022-05-06 Rui Li , Chenxi Duan , Shunyi Zheng , Ce Zhang , Peter M. Atkinson

This paper proposes an efficient unsupervised method for detecting relevant changes between two temporally different images of the same scene. A convolutional neural network (CNN) for semantic segmentation is implemented to extract…

神经与进化计算 · 计算机科学 2019-03-22 Kevin Louis de Jong , Anna Sergeevna Bosman

The study and prediction of space weather entails the analysis of solar images showing structures of the Sun's atmosphere. When imaged from the Earth's ground, images may be polluted by terrestrial clouds which hinder the detection of solar…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Amal Chaoui , Jay Paul Morgan , Adeline Paiement , Jean Aboudarham

Detecting clouds and snow in remote sensing images is an essential preprocessing task for remote sensing imagery. Previous works draw inspiration from semantic segmentation models in computer vision, with most research focusing on improving…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Zili Liu , Hao Chen , Wenyuan Li , Keyan Chen , Zipeng Qi , Chenyang Liu , Zhengxia Zou , Zhenwei Shi

This paper shows the effectiveness of 2D backbone scaling and pretraining for pillar-based 3D object detectors. Pillar-based methods mainly employ randomly initialized 2D convolution neural network (ConvNet) for feature extraction and fail…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Weixin Mao , Tiancai Wang , Diankun Zhang , Junjie Yan , Osamu Yoshie

Cloud detection from remotely observed data is a critical pre-processing step for various remote sensing applications. In particular, this problem becomes even harder for RGB color images, since there is no distinct spectral pattern for…

计算机视觉与模式识别 · 计算机科学 2018-01-29 Savas Ozkan , Mehmet Efendioglu , Caner Demirpolat

Detecting and masking cloud and cloud shadow from satellite remote sensing images is a pervasive problem in the remote sensing community. Accurate and efficient detection of cloud and cloud shadow is an essential step to harness the value…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Ke Xu , Kaiyu Guan , Jian Peng , Yunan Luo , Sibo Wang

In the modern world, satellite images play a key role in forest management and degradation monitoring. For a precise quantification of forest land cover changes, the availability of spatially fine resolution data is a necessity. Since 1972,…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Pritom Bose , Debolina Halder , Oliur Rahman , Turash Haque Pial

Jet point cloud images are high dimensional data structures that needs to be transformed to a separable feature space for machine learning algorithms to distinguish them with simple decision boundaries. In this article, the authors focus on…

高能物理 - 唯象学 · 物理学 2024-07-08 Jairo Orozco Sandoval , Vidya Manian , Sudhir Malik

Google Earth Engine (GEE) provides a convenient platform for applications based on optical satellite imagery of large areas. With such data sets, the detection of cloud is often a necessary prerequisite step. Recently, deep learning-based…

图像与视频处理 · 电气工程与系统科学 2020-10-02 Zhixiang Yin , Feng Ling , Giles M. Foody , Xinyan Li , Yun Du

Plant breeding programs extensively monitor the evolution of seed kernels for seed certification, wherein lies the need to appropriately label the seed kernels by type and quality. However, the breeding environments are large where the…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Venkat Margapuri , Niketa Penumajji , Mitchell Neilsen

Cloud removal is an essential task in remote sensing data analysis. As the image sensors are distant from the earth ground, it is likely that part of the area of interests is covered by cloud. Moreover, the atmosphere in between creates a…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Yi Guo , Feng Li , Zhuo Wang

Landslide detection from high resolution satellite imagery is a critical task for disaster response and risk assessment, yet the relative effectiveness of modern segmentation architectures and finetuning strategies for this problem remains…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Md Kowsher , Weiwei Zhan , Chen Chen

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

计算机视觉与模式识别 · 计算机科学 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

Estimating surface normals from 3D point clouds is critical for various applications, including surface reconstruction and rendering. While existing methods for normal estimation perform well in regions where normals change slowly, they…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Haoyi Xiu , Xin Liu , Weimin Wang , Kyoung-Sook Kim , Masashi Matsuoka

Designing a point cloud upsampler, which aims to generate a clean and dense point cloud given a sparse point representation, is a fundamental and challenging problem in computer vision. A line of attempts achieves this goal by establishing…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Pingping Cai , Zhenyao Wu , Xinyi Wu , Song Wang

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

Semantic segmentation is a fundamental research in remote sensing image processing. Because of the complex maritime environment, the sea-land segmentation is a challenging task. Although the neural network has achieved excellent performance…

计算机视觉与模式识别 · 计算机科学 2017-09-04 Ruirui Li , Wenjie Liu , Lei Yang , Shihao Sun , Wei Hu , Fan Zhang , Wei Li

The complexity of clouds, particularly in terms of texture detail at high resolutions, has not been well explored by most existing cloud detection networks. This paper introduces the High-Resolution Cloud Detection Network (HR-cloud-Net),…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Jingsheng Li , Tianxiang Xue , Jiayi Zhao , Jingmin Ge , Yufang Min , Wei Su , Kun Zhan