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DATUM FEATURE EXTRACTION AND DEFORMATION ANALYSIS METHOD BASED ON NORMAL VECTOR OF POINT CLOUD
Deformation Analysis Point Cloud Normal Vecto Datum Feature Cubic B-spline Curve
2018/5/15
In order to solve the problem lacking applicable analysis method in the application of three-dimensional laser scanning technology to the field of deformation monitoring, an efficient method extractin...
THE LOW BACKSCATTERING OBJECTS CLASSIFICATION IN POLSAR IMAGE BASED ON BAG OF WORDS MODEL USING SUPPORT VECTOR MACHINE
Low Backscattering Objects Bag of Words SIFT features Support Vector Machine
2018/5/16
Due to the forward scattering and block of radar signal, the water, bare soil, shadow, named low backscattering objects (LBOs), often present low backscattering intensity in polarimetric synthetic ape...
VECTOR AND RASTER DATA STORAGE BASED ON MORTON CODE
Vector and raster Integration Morton code Data storage Georaster
2018/5/17
Even though geomatique is so developed nowadays, the integration of spatial data in vector and raster formats is still a very tricky problem in geographic information system environment. And there is ...
Depicting Stylized Materials with Vector Shade Trees
Material Depiction Artistic Guidelines Vector Graphics Shade Trees Gradient Mesh
2016/5/24
Vector graphics represent images with compact, editable and scalable
primitives. Skillful vector artists employ these primitives to
produce vivid depictions of material appearance and lighting. Howe...
Multi-Representation Geographic Data Organization Method Dedicated for Vector-Based WebGIS
Multi-Representation Data Structure Vector Data Zoom Quadtree Vector Pyramid WebGIS WFS
2015/12/17
The paper proposed a Quadtree-based vector data structure which supports multi-representation of geographic data: Zoom Quadtree, it aims to meet the requirement of vector-based WebGIS in efficient ret...
Large-Scale Vector Data Displaying for Interactive Manipulation in 3D Landscape Map
3D Landscape Map Large-scale Vector Data Manipulation Displaying
2015/12/16
Displaying large-scale 3D vector data in landscape map is very important, as 3D vector data can provide many important information, such as: precise geographic boundaries, areas, 3D text marks, differ...
A Watermarking Algorithm for Vector Spatial Geo-Data Based on Integer Wavelet Transform
Digital Watermarking Vector Geo-Spatial Data Integer Wavelet Transform Robust
2015/12/11
Considering the characteristic of vector geo-spatial data for digital watermarking, this paper presents a new watermarking algorithm for vector geo-spatial data based on integer wavelet transform. By ...
Parametric Reconstruction for Complex Building from LIDAR and Vector Maps Using a Divide-and-Conquer Strategy
Laser scanning (LiDAR) Building reconstruction Computer vision Feature extraction Urban planning
2015/12/4
Three-dimensional building modelling is an important aspect of object reconstruction in computer vision.
A Novel Vector Field Data Mining Approach: Extraction of Front Based on Physical Features of Target
Vector Field Data Mining Physical Feature Front Extraction Fuzzy Clustering
2015/12/2
The explosive growing of earth observing data needs to have relative efficient data processing methods. This paper aims at the processing and analysis of large volume of vector field data acquiring fr...
Chromosome Segmentation and Investigations using Generalized Gradient Vector Flow Active Contours
Generalized Gradient Vector Flow Active Contours Deformable Curves Chromosome Boundary Mapping Characterization
2015/7/30
We investigated Generalized Gradient Vector Flow Active Contours as a suitable boundary mapping technique for Chromosome spread images which have variability in shape and size, expecting to yield a ro...
Implementation of Progressive Transmission Algorithms for Vector Map Data in Web-based Visualization
algorithms visualization hierarchy web based
2015/7/6
This paper investigates the benefits of progressive transmission of vector data, through designing and developing a hierarchical data
model to compress vector data for progressive transmission over t...
The estimation of a sparse vector in the linear model is a fundamental problem in signal processing, statistics, and compressive sensing. This paper establishes a lower bound on the mean-squared error...
MODELING AND EXPRESSION OF VECTOR DATA IN THE HEXAGONAL DISCRETE GLOBAL GRID SYSTEM
Discrete Global Grid System Hexagon Vector Data Modeling Expression
2014/4/21
The Discrete Global Grid System (DGGS) is a new type of global spatial data model and is the extension of the plane grid on a
sphere. The hexagon is usually used in the construction of DGGS for its a...
CLGVSM: Adapting Generalized Vector Space Model to Cross-lingual Document Clustering
CLGVSM Adapting Generalized Vector Space Model Cross-lingual Document Clustering
2013/6/27
Cross-lingual document clustering (CLDC) is the task to automatically or-ganize a large collection of cross-lingual documents into groups considering con-tent or topic. Different from the tradition-al...
AODV-HM: A Hybrid Mesh Ad-hoc On-demand Distance Vector Routing Protocol
Wireless Mesh Networks Routing Hybrid Mesh Networks Channel Diversity
2014/3/11
Wireless Mesh Networks (WMNs) have recently gained increasing attention and have emerged as a technology with great potential for a wide range of applications. WMNs can be considered as a superset of ...