In recent years, with the increasing global climate problems, our country has been relying on remotesensing technology for early warning and post-disaster assessment in the field of disaster prevention and control fo...
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patternrecognition is quickly becoming a popular topic of imageprocessing. It is a branch of remotesensing, and it can be useful where it is difficult to visit and analyze geographical locations such as forestry or...
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Ultrasonic nondestructive testing has been widely used in industry due to its various advantages. However. with the increasing demand for non-destructive testing accuracy, low-resolution ultrasonic images can easily l...
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At present, the use of MODIS to detect fires mainly uses a series of thresholds to identify fire. However, in areas with high heterogeneity, the division of thresholds is more difficult, resulting in many false detect...
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Waterbody extraction is essential for monitoring surface changes and supporting disaster response. However, differences in morphology, dimensions, and spectral reflectance, make it problematic to segregate waterbodies...
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This work addresses the task of overhead image segmentation when auxiliary ground-level images are available. Recent work has shown that performing joint inference over these two modalities, often called near/remote s...
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ISBN:
(数字)9781665469463
ISBN:
(纸本)9781665469463
This work addresses the task of overhead image segmentation when auxiliary ground-level images are available. Recent work has shown that performing joint inference over these two modalities, often called near/remotesensing, can yield significant accuracy improvements. Extending this line of work, we introduce the concept of geospatial attention, a geometry-aware attention mechanism that explicitly considers the geospatial relationship between the pixels in a ground-level image and a geographic location. We propose an approach for computing geospatial attention that incorporates geometric features and the appearance of the overhead and ground-level imagery. We introduce a novel architecture for near/remotesensing that is based on geospatial attention and demonstrate its use for five segmentation tasks. The results demonstrate that our method significantly outperforms the previous state-of-the-art methods.
Research on the use of augmentations in physically constrained remotesensing scenarios, like the analysis of Martian surface data, is largely unexplored. In this work we present an analysis on how reasonable augmenta...
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ISBN:
(数字)9781665490627
ISBN:
(纸本)9781665490627
Research on the use of augmentations in physically constrained remotesensing scenarios, like the analysis of Martian surface data, is largely unexplored. In this work we present an analysis on how reasonable augmentation strategies can be selected which are class agnostic and respect physical plausibility in supervised and weakly-supervised tasks. Additionally, we present the first results of self-supervised learning on Martian surface data, discuss the importance of physically plausible augmentations in the context of self-supervised learning, specifically contrastive learning, and provide a comprehensive overview of the generalization properties induced by different augmentation strategies with the help of geomorphic maps.
Most of the current capsule network methods have good classification effects mainly on simple content datasets such as MNIST and CIFAR10. However, for remotesensing scene images with complex objects, these methods ca...
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images are now employed as data in a variety of applications, including medical imaging, remotesensing, patternrecognition, and video processing. image compression is the process of minimizing the size of images by ...
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The multiepoch interferometry synthetic aperture radar (InSAR) technique is a widely applied geodetic tool for measuring surface displacement. Yet, traditional interpretations of InSAR results have primarily centered ...
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The multiepoch interferometry synthetic aperture radar (InSAR) technique is a widely applied geodetic tool for measuring surface displacement. Yet, traditional interpretations of InSAR results have primarily centered on linear displacement velocities, often neglecting the rich insights that InSAR displacement time-series data can offer. This study innovatively addresses this gap by proposing a deep learning (DL)-based method for interpreting InSAR deformation time series in urban environments. We first introduce six canonical deformation patterns: stable, linear, stepwise, piecewise linear, power-law, and undefined. A novel postprocessing approach integrates DL models-bidirectional long short-term memory (BiLSTM), temporal convolutional network (TCN), and Transformer-with transfer learning techniques. The strategy involves pretraining models on simulated data and fine-tuning with real-world data, significantly reducing dependence on extensive labeled datasets. This study demonstrates the effectiveness of these DL models in processing InSAR deformation sequences, illustrating how transfer learning can tackle the challenge of limited labeled InSAR datasets. The experimental results reveal that the TCN model achieves the best performance, with an accuracy of 91%. Tested on InSAR data from Kunming City, the proposed approach effectively classified deformation sequences into predefined categories. The findings demonstrate that time-series analysis reveals more detailed deformation insights-particularly in regions with low deformation rates-than traditional velocity-based methods. Furthermore, incorporating transfer learning significantly reduces the dependency on extensive real-world datasets, enhancing overall model performance and facilitating future advancements in the field.
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