4 research outputs found
An Efficient Method of Detection and Recognition in Remote Sensing Image Based on multi-angle Region of Interests
Presently, deep learning technology has been widely used in the field of
image recognition. However, it mainly aims at the recognition and detection of
ordinary pictures and common scenes. As special images, remote sensing images
have different shooting angles and shooting methods compared with ordinary
ones, which makes remote sensing images play an irreplaceable role in some
areas. In this paper, based on a deep convolution neural network for providing
multi-level information of images and combines RPN (Region Proposal Network)
for generating multi-angle ROIs (Region of Interest), a new model for object
detection and recognition in remote sensing images is proposed. In the
experiment, it achieves better results than traditional ways, which demonstrate
that the model proposed here would have a huge potential application in remote
sensing image recognition.Comment: 4 pages, 3 figure
Land Use Information Quick Mapping Based on UAV Low- Altitude Remote Sensing Technology and Transfer Learning
Obtaining surface spatio-temporal data rapidly, automatically and accurately is an important issue in agriculture informationization and intellectualization. Samples obtained by conventional manual visual interpretation are difficult to adapt the demands of land resources information extraction. Low altitude remote sensing technology as a kind of emerging technology for earth observation in recent years. Based on this, spatio-temporal data mining technology was introduced, and knowledge transfer learning mechanism was used, a novel landuse information classification method based on knowledge transfer learning (KTLC) was proposed. Firstly, new image was segmented by improved mean shift algorithm to obtain image objects. Secondly, the vector boundary of the objects and former historical landuse thematic map were matched and nested, invariant objects were obtained through overlay analysis, and purification of invariant object was finished by spectral and spatial information threshold filtering. The historical features category knowledge of thematic map was transferred to the new image objects. Finally, current images classification mapping was completed based on decision tree, and landuse classification mapping results were completed by the KTLC and eCognition for landuse information mapping classification (EC). The experimental results showed that KTLC could obtain accuracies equivalent to EC, and also outperforms EC in terms of efficiency
A review of technical factors to consider when designing neural networks for semantic segmentation of Earth Observation imagery
Semantic segmentation (classification) of Earth Observation imagery is a
crucial task in remote sensing. This paper presents a comprehensive review of
technical factors to consider when designing neural networks for this purpose.
The review focuses on Convolutional Neural Networks (CNNs), Recurrent Neural
Networks (RNNs), Generative Adversarial Networks (GANs), and transformer
models, discussing prominent design patterns for these ANN families and their
implications for semantic segmentation. Common pre-processing techniques for
ensuring optimal data preparation are also covered. These include methods for
image normalization and chipping, as well as strategies for addressing data
imbalance in training samples, and techniques for overcoming limited data,
including augmentation techniques, transfer learning, and domain adaptation. By
encompassing both the technical aspects of neural network design and the
data-related considerations, this review provides researchers and practitioners
with a comprehensive and up-to-date understanding of the factors involved in
designing effective neural networks for semantic segmentation of Earth
Observation imagery.Comment: 145 pages with 32 figure