Pengda Wu
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View article: An Adaptive Task Traffic Shaping Method for Highly Concurrent Geographic Information System Services with Limited Resources
An Adaptive Task Traffic Shaping Method for Highly Concurrent Geographic Information System Services with Limited Resources Open
Under the condition of limited resources, when the GIS service platform is faced with high concurrent service requests, the high concurrent processing capacity of a single server is the main bottleneck affecting the quality of service (QoS…
View article: Comprehensive Analysis of the Aberrant Right Subclavian Artery: A Perspective from a Single Institute
Comprehensive Analysis of the Aberrant Right Subclavian Artery: A Perspective from a Single Institute Open
Background/Objectives: This study aimed to provide a descriptive review of fetal aberrant right subclavian artery (ARSA), with a discussion of the genomic and structural anatomy and perinatal prognosis in our hospital’s obstetric departmen…
View article: Comprehensive Analysis of the Aberrant Right Subclavian Artery: A Perspective from A Single Institute
Comprehensive Analysis of the Aberrant Right Subclavian Artery: A Perspective from A Single Institute Open
Background/Objectives: This study aimed to provide a descriptive review of fetal aberrant right subclavian artery (ARSA) with a discussion of the genomic and structural anatomy and perinatal prognosis in our hospital’s obstetric department…
View article: Robust geographic entity matching by maximizing the geometric and semantic similarity of feature arcs
Robust geographic entity matching by maximizing the geometric and semantic similarity of feature arcs Open
Geographic entity matching is an important means for multi-source spatial data fusion and information association and sharing. Corresponding matching methods have been designed by existing studies for different types of entity data charact…
View article: A Simplification Method for Continuous Tessellation Area Data Based on Discretization Idea
A Simplification Method for Continuous Tessellation Area Data Based on Discretization Idea Open
The simplification operation has always been a challenging research problem in the field of cartography generalization and expression.Continuous tessellation area data of land cover, whose source data come from high-resolution remote sensi…
View article: A generalized matching method for geographic entities based on fine-grained feature segments
A generalized matching method for geographic entities based on fine-grained feature segments Open
Geographic entity matching is an important means for multi-source spatial data fusion and information association and sharing. Corresponding matching methods have been designed by existing studies for different types of entity data charact…
View article: Comparison of Different Impact Factors and Spatial Scales in PM2.5 Variation
Comparison of Different Impact Factors and Spatial Scales in PM2.5 Variation Open
PM2.5 particles with an aerodynamic diameter of less than 2.5 μm are receiving increasing attention in China. Understanding how complex factors affect PM2.5 particles is crucial for the prevention of air pollution. This study investigated …
View article: An Automatic Generalization Method for a Dense Road Network Area Considering Spatial Structural Features as Constraints
An Automatic Generalization Method for a Dense Road Network Area Considering Spatial Structural Features as Constraints Open
Road networks are the skeletal elements of topographic maps at different scales, and road selection is a prerequisite for implementing continuous multiscale spatial representations of road networks. The mesh-based approach is a common, adv…
View article: Spatiotemporally Continuous Reconstruction of Retrieved PM2.5 Data Using an Autogeoi-Stacking Model in the Beijing-Tianjin-Hebei Region, China
Spatiotemporally Continuous Reconstruction of Retrieved PM2.5 Data Using an Autogeoi-Stacking Model in the Beijing-Tianjin-Hebei Region, China Open
Aerosol optical depth (AOD) observations have been widely used to generate wide-coverage PM2.5 retrievals due to the adverse effects of long-term exposure to PM2.5 and the sparsity and unevenness of monitoring sites. However, due to non-ra…
View article: An Improved Method for Stable Feature Points Selection in Structure-from-Motion Considering Image Semantic and Structural Characteristics
An Improved Method for Stable Feature Points Selection in Structure-from-Motion Considering Image Semantic and Structural Characteristics Open
Feature matching plays a crucial role in the process of 3D reconstruction based on the structure from motion (SfM) technique. For a large collection of oblique images, feature matching is one of the most time-consuming steps, and the match…
View article: Cover Image
Cover Image Open
This is a cover image of automatic recognition method of primary path for anastomosing river based on its typical features.
View article: Cover Image
Cover Image Open
This is a cover image of automatic recognition method of primary path for anastomosing river based on its typical features.
View article: An area merging method in map generalization considering typical characteristics of structured geographic objects
An area merging method in map generalization considering typical characteristics of structured geographic objects Open
Merging is an important operation in the map generalization of land-cover and other coverages. We define structured geographic objects as collections of adjacent areas with homogeneous semantics that are regularly arranged as spatial struc…
View article: Automatic Method of Flow Direction Reasoning for Bridging Tributaries
Automatic Method of Flow Direction Reasoning for Bridging Tributaries Open
Please see the detailed description of the data in the Read me.txt file.
View article: Automatic Method of Flow Direction Reasoning for Bridging Tributaries
Automatic Method of Flow Direction Reasoning for Bridging Tributaries Open
Please see the detailed description of the data in the Read me.txt file.
View article: MergingMethodofStructuredGeographicObjects
MergingMethodofStructuredGeographicObjects Open
The name of the program: MergingMethodofStructuredGeographicObjects The title of the manuscript: An Area Merging Method in Map Generalization Considering Typical Characteristics of Structured Geographic Objects The detailed information of …
View article: MergingMethodofStructuredGeographicObjects
MergingMethodofStructuredGeographicObjects Open
The name of the program: MergingMethodofStructuredGeographicObjects The title of the manuscript: An Area Merging Method in Map Generalization Considering Typical Characteristics of Structured Geographic Objects The detailed information of …
View article: MergingMethodofStructuredGeographicObjects
MergingMethodofStructuredGeographicObjects Open
The name of the program: MergingMethodofStructuredGeographicObjects The title of the manuscript: An Area Merging Method in Map Generalization Considering Typical Characteristics of Structured Geographic Objects The detailed information of …
View article: An elimination method for isolated meshes in a road network considering stroke edge feature
An elimination method for isolated meshes in a road network considering stroke edge feature Open
The road network is the skeletal element of topographic maps at different scales. In general, urban roads are connected by road segments, thus forming a series of road meshes. Mesh elimination is a key step in evaluating the importance of …
View article: Selection Method of Dendritic River Networks Based on Hybrid Coding for Topographic Map Generalization
Selection Method of Dendritic River Networks Based on Hybrid Coding for Topographic Map Generalization Open
As the coding of a dendritic river system can be used to represent the stream order and spatial-structure of a river network, it is always used in river selection, which is a key step in topographic map generalization. There are two catego…
View article: Transport Pathways and Potential Source Region Contributions of PM2.5 in Weifang: Seasonal Variations
Transport Pathways and Potential Source Region Contributions of PM2.5 in Weifang: Seasonal Variations Open
As air pollution becomes progressively more serious, accurate identification of urban air pollution characteristics and associated pollutant transport mechanisms helps to effectively control and alleviate air pollution. This paper investig…
View article: Investigation on Classification and Cleaning for Visually Self-Intersected Multipart Polygon With One Outer Ring
Investigation on Classification and Cleaning for Visually Self-Intersected Multipart Polygon With One Outer Ring Open
In the field of cartography and geographic information systems, eliminating self-intersection problems is a key step in improving the reliability and robustness of spatial data representations, especially for the multipart polygon with one…
View article: Investigation on Classification and Cleaning for Visually Self-Intersected Monocyclic Polygons
Investigation on Classification and Cleaning for Visually Self-Intersected Monocyclic Polygons Open
In the geographic information system field, identifying and cleaning self-intersected polygons to achieve simple polygons is a basic and core issue. In traditional research, self-intersected polygons were identified by the topological rela…
View article: An Adaptive Construction Method of Hierarchical Spatio-Temporal Index for Vector Data under Peer-to-Peer Networks
An Adaptive Construction Method of Hierarchical Spatio-Temporal Index for Vector Data under Peer-to-Peer Networks Open
Spatio-temporal indexing is a key technique in spatio-temporal data storage and management. Indexing methods based on spatial filling curves are popular in research on the spatio-temporal indexing of vector data in the Not Relational (NoSQ…
View article: AN AUTOMATED BOTTOM UP HYDROLOGIC CODING SYSTEM FOR DENDRITIC RIVER SYSTEM
AN AUTOMATED BOTTOM UP HYDROLOGIC CODING SYSTEM FOR DENDRITIC RIVER SYSTEM Open
The hydrologic coding of a dendritic river system can be used to indicate the stream order and spatial-structure features of a river system. However, most conventional hydrologic coding systems use a top down (i.e., from the source to the …
View article: AN AREA MERGING METHOD IN MAP GENERALIZATION CONSIDERING THE BOUNDARY CHARACTERISTICS OF STRUCTURED GEOGRAPHIC OBJECTS
AN AREA MERGING METHOD IN MAP GENERALIZATION CONSIDERING THE BOUNDARY CHARACTERISTICS OF STRUCTURED GEOGRAPHIC OBJECTS Open
Merging is an important operation for the generalization of land-cover data. However, current research often entails merging on a global perspective, which is not conducive to capturing the spatial characteristics of geographic objects wit…
View article: AGGREGATION IN LAND-COVER DATA GENERALIZATION CONSIDERING SPATIAL STRUCTURE CHARACTERISTICS
AGGREGATION IN LAND-COVER DATA GENERALIZATION CONSIDERING SPATIAL STRUCTURE CHARACTERISTICS Open
Aggregation is an important operation for the generalization of land-cover data. However, current research often entails aggregation on a global perspective, which is not conducive to capturing the spatial characteristics of geographic obj…
View article: Skeleton Line Extraction Method in Areas with Dense Junctions Considering Stroke Features
Skeleton Line Extraction Method in Areas with Dense Junctions Considering Stroke Features Open
Extraction of the skeleton line of complex polygons is difficult, and a hot topic in map generalization study. Due to the irregularity and complexity of junctions, it is difficult for traditional methods to maintain main structure and exte…