搜索结果: 16-30 共查到“测绘科学技术 On-line”相关记录108条 . 查询时间(0.109 秒)
On-line processing of stereo data ofCCD Line Scanners
Online processing CCD Line Scanner Ster eo
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2016/5/20
There are two main reasons for a data processing concept a ll owing an au tomatic processing of image data of CCD se n-
sors without operators in to different products, e.g. digital terrain models.
USE OF LINE SEGMENTS IN HIGH RESOLUTION SATELLITE IMAGE REGISTRATION
Remote Sensing Adjustment Registration Data Fusion Georeferencing High Resolution QuickBird
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2015/12/31
In recent years the research activity in image registration has grown at the same pace as the high resolution satellite images have found their way to end users. Much of this research activity has con...
UNSUPERVISED INFORMATION EXTRACTION USING ABSORPTION LINE IN HYPERION IMAGES
Hyperspectral Imaging Absorption Bands Clustering Derivative Analysis
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2015/12/31
Using recently developed techniques, a significant amount of Information could be extracted from spectral signatures of surface material in their continuous spectra. One of the main applications in wh...
A MULTI-SCALE LINE STRUCTURE FOR PROGRESSIVE TRANSMISSION OF VECTOR DATA ACROSS THE WEB
Multi-scale Line Simplification Multi-way Tree Progressive Transmission
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2015/12/23
This paper presents a multi-way tree based multi-scale line structure for progressive transmission of vector data. By topological restraints, the structure maintains the consistent topologicalrelation...
Image Registration of High Resolution Satellite Based on Straight Line Feature
Image Registration Feature Space Similarity Measure Search Strategy Transformation Function
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2015/12/18
Aim at registration of high resolution remote sensing images，a image registration algorithm based on line feature is described in this paper. First，the lines in both images are extracted, Next a modif...
Developing and Implementing Line-Based Transformation Models to Register Satellite Images
Rectification Satellite Images Linear Features Transformation Models
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2015/12/17
Advances in remote sensing technologies demonstrated the capability to acquire high quality metric information from satellite images. The IKONOS satellite image, for example, has a pixel size of one m...
Epipolar Line Generation from IKONOS Imagery Based on RPC Model
Remote Sensing IKONOS Space Photogrammetry Accuracy Geography
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2015/12/17
High-resolution satellite imagery is expected to be a major source of 3D measurement of ground, especially automatic stereo plotting to generate DEM by stereo matching technology is highly required. E...
Towards Automatic Feature Line Modeling from Terrestrial Laser Scanner Data
3D line extraction Feature line Modelling Automation
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2015/12/16
For the representation of objects or scenes different representation forms are utilised. While for some tasks a point cloud
representation or a triangulation of the point cloud is sufficient, a bound...
Line-Based Referencing between Images and Laser Scanner Data for Image-Based Point Cloud Interpretation in a CAD-Environment
Close range photogrammetry Terrestrial laser scanning Data fusion
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2015/12/16
Photogrammetric 3D object reconstruction can be obtained from images or laser scanner data. Because of their complementary
characteristics, these data are suitable for a combined interpretation. In t...
On-Line Integration of Photogrammetric Systems and Spatial Databases for Producing Fully Structured and Consistent Data for GIS
Integration DBMS Photogrammetric Systems On-Line Validation
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2015/12/16
Photogrammetric systems are important sources for GIS databases. Currently, the trend towards the integration of photogrammetric systems and spatial databases is increased significantly. Integration o...
Theory and Algorithms of DSM Generation from Multi-Line-Array Images Matching
Multi-line-array digital images DSM CCD ADS40 Correlative Coefficient POS
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2015/12/16
A new multiple images matching theory model is proposed in this paper to generate DSM from aerial three line array digital images. Through this model, multiple images (more than 2) can be matched simu...
Radiometric Block-Adjustment of Satellite Images Reference3d® Production Line Improvement
SPOT Radiometry Mosaic Block Multitemporal Orthoimage
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2015/12/16
One layer of global geographic database Reference3D® is an image mosaic (5m resolution) made exclusively from panchromatic SPOT5-HRS images. In order to improve Reference3D® production line,...
Verification of the Accuracy of a Real-time Optical 3D-Measuring System on Production Line
Accuracy Verification Real-time Optical Measurement Industrial Production
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2015/12/14
Verifying the accuracy of a real-time optical 3D-measuring system on production line has been problematic in many senses. Reasons
for this arise from the production line environment as well as the bu...
Automatic Registration of Airborne Image Sequences Based on Line Matching Approach
Airborne remote sensing Registration Computer Vision Feature extraction Dynamic Change
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2015/12/9
Traditionally, image registration approaches are classified to two categories: area-based methods and feature-based methods, where the latter use corresponding features as control objects. As the most...
Building Detection and Structure Line Extraction from Airborne LIDAR Data
Laser scanning Edge detection Aerial Survey Feature extraction Buildings
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2015/12/8
The development of LIDAR (Light Detection and Ranging) system makes the acquisition of 3D surface information more convenient and immediate than other geomatics technologies. However, the 3D coordinat...