Shadow removal is a critical step in preprocessing high-resolution aerial remote sensing images. The presence of shadows reduces the information in high-resolution aerial remote sensing images, lowers the image quality, and seriously interferes ...

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• Proposed an irregular region color transfer method based on a three-dimensional color space.
• Designed a feature extraction method insensitive to image rotation and independent of lighting conditions.
• Proposed a region matching ...

Large-scale point cloud semantic segmentation is a critical aspect of environmental information perception, with far-reaching applications in domains such as auto-driving, remote sensing, and virtual reality systems. Contemporary methodologies ...

• LAFA module captures local context to address local perception ambiguity.
• Aggregation loss further mitigates the local perceptual ambiguity.
• C-VLAD module captures global context to address feature insufficient.
• Experiments ...

Multi-source heterogeneous, multi-modal, and multi-type open scientific data (e.g., thematic sharing sites, metadata, journal articles, etc.) on earth surface systems (EES) provide important data sources for knowledge mining, discovery, and ...

• Developed a novel tool for constructing a scientific data association network.
• Presented an interoperable software system.
• Proposed a ‘time-space-topic’ model for building associative networks.

Geological reports house a wealth of geological domain knowledge and expert experience knowledge, and the efficient extraction of geological entity relations from these texts holds great significance in constructing a geological knowledge graph. ...

• In this paper, a geological entity relationship dataset is constructed.
• In this paper, we propose a convolutional pointer network model for relational maps based on the pre-trained RoBERTa model and validate the effectiveness of the ...

The engineering geology report serves as a comprehensive portrayal of the geological conditions and information within a surveyed region, making it highly valuable for extracting and mining engineering geology-related knowledge. Geological Named ...

Geological reports aid in understanding exploration by providing valuable information on rock formation ,evolution and the geological environment in which deposits formed. Querying and extracting the critical information from these enormous ...

• Proposed a joint extraction model of triples for geological texts.
• The extraction integrity of geological text triples was improved and the overlapping problems was solved.
• A geological report knowledge graph was construced to ...

Mesh denoising is a fundamental yet open problem in geometry processing. The main challenge is to remove noise while recovering the shape of the underlying surface as accurately as possible. In this paper, we propose a novel joint ...

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• A simple yet effective consistency metric is designed to select candidate patches.

• The enhanced Word2vec with ontology knowledge achieved an F1-score of 40.7%.
• ...

A large amount of unstructured textual data about geoscience structures and minerals is buried in geoscience documents and is unused. Automatic keyphrase extraction provides opportunities to leverage this wealth of data for analysis ...

Mesh denoising is a fundamental, yet not well-solved problem in geometry processing. The main challenge is to remove noise while preserving geometric features and preventing unnatural effects, such as blurring of sharp features and ...

• A conditional convolution neural network enhanced random forests for facial expression recognition.
• The method achieves fast and accurate results with a limited amount of training data.
• A robust deep salient feature representation ...

In real-world applications, factors such as head pose variation, occlusion, and poor image quality make facial expression recognition (FER) an open challenge. In this paper, a novel conditional convolutional neural network enhanced random forest (...

In-orbit calibration of satellite optical sensors is of crucial importance for improving the accuracy and stability of high-resolution satellite stereo mapping and positioning. For the in-orbit calibration of Ziyuan 3 ZY-3, the first Chinese three-line ...

In real-world applications, factors such as illumination variation, occlusion, and poor image quality, etc. make head detection and pose estimation much more challenging. In this paper, we propose a multi-level structured hybrid forest (MSHF) for joint ...

Volunteered geographic information VGI, OpenStreetMap OSM, has been used in many applications, especially when official spatial data are unavailable or outdated. However, the quality of VGI remains a valid concern. In this paper, we use the matched ...

In geographic information retrieval and spatial data mining, similarity is used to resolve shape matching and clustering. Many approaches have been developed to calculate similarity between simple geometric shapes. However, complex spatial objects are ...

With the wide adoption of big spatial data and the emergence of CyberGIS, the nontrivial computational intensity introduced by massive amount of data poses great challenges to the performance of vector map visualization. The parallel computing ...

With the dramatic development of spatial data infrastructure, CyberGIS has become significant for geospatial data sharing. Due to the large number of concurrent users and large volume of vector data, CyberGIS faces a great challenge in how to improve ...

The defects of traditional WebGIS model and problems of current common load balancing algorithms are analyzed. a new WebGIS model based on response ratio priority scheduling algorithm is proposed. Based on the waiting time and executing time, the model ...

Highly ordered transparent TiO₂ macropore arrays were synthesized via a simple glass-clamping method at room temperature. The as-synthesized TiO₂ macropore arrays show high transmittance in the visible light region and can be used as transparent ...

An algorithm for splitting arbitrary polygons with a polyline is described in this paper. Starting from introducing the existing theories in computational geometry and computer graphics, the paper describes the three major steps of this algorithm: 1) ...

It marks that China steps into the 3G era formally by the third telecommunication reorganization. The operator will transfer from "speech emphasis communication operation" into “value-added service primarily of information operation, "income mostly ...