搜索结果: 1-15 共查到“知识库 信息处理技术 image”相关记录91条 . 查询时间(0.13 秒)
THIN CLOUD DETECTION METHOD BY LINEAR COMBINATION MODEL OF CLOUD IMAGE
Cloud Detection Image Features Grayscale Texture Linear Model AdaBoost Classifier
2018/4/30
The existing cloud detection methods in photogrammetry often extract the image features from remote sensing images directly, and then use them to classify images into cloud or other things. But when t...
Multiscale Shape and Detail Enhancement from Multi-light Image Collections
image enhancement NPR relighting shape depiction bilateral filter multiscale image processing
2016/5/24
We present a new image-based technique for enhancing the shape
and surface details of an object. The input to our system is a small
set of photographs taken from a fixed viewpoint, but under varying...
System calibration, geometric accuracy testing and validation of DEM & orthoimage data extracted from SPOT stereo pairs using commercially available image processing systems
System calibration geometric accuracy testing DEM orthoimage data extracted SPOT stereo pairs
2016/5/20
The paper describes the comprehensive testing of the digital photogrammetric modules forming parts of the image processing systems available from a number of remote sensing system suppliers - PCI, ERD...
A Fuzzy-based Method for Remote Sensing Image Contrast Enhancement
Image Processing Colour Interpretation Fuzzy Logic
2015/12/3
Many conventional contrast enhancement techniques adopt a global approach to enhance all the brightness level of the image. However, it is usually difficult to enhance all land cover classes appearing...
Image Coregistration in SAR Interferometry
SAR Interferometry Co-registration Interferometric SAR (InSAR)
2015/11/20
A critical procedure in Synthetic Aperture Radar (SAR) Interferometric (InSAR) processing was studied: SAR image coregistration. Two pairs of ERS-1/2 SAR tandem data, representing diverse terrain type...
Research on SAR Image Matching Technology based on SIFT
SAR Curvelet De-noising SIFT Image Matching
2015/11/20
Image matching is one of the key technologies in remote sensing image fusion and navigation. Image matching of Synthetic Aperture Radar (SAR) is a process to find relationship of pixels in many SAR im...
Image Restoration of Calibration and Validation for KOMPSAT-2
Calibration Passive Optical system Image restoration MTF Radiometry Camera Sensor KOMPSAT-2
2015/11/20
The image restoration of Calibration and Validation (Cal/Val) for the KOMPSAT-2 (KOrea Multi-Purpose SATellite-2) has six parameters; Linearity, Video processor gain/offset, Non-uniformity correction,...
Using Exotic Guidance for PLEIADES-HR Image Quality Calibration
Calibration Image Quality Guidance Star
2015/11/20
In-flight Image Quality calibration and performance assessment activities depend on specific acquisitions and, for some of them, on dedicated guidance of the satellite platform. The operational constr...
Image-Based Estimation and Validation of NIRS for High-Resolution Satellite Images
GSD MTF SNR NIIRS GIQE Edge Response
2015/11/20
As high resolution satellite images are being used widely in many applications more and more users are demanding images of good quality. The ‘quality’ of satellite images are expressed by many technic...
The Solid Image Web Viewer: A New Way For 3D Survey Data Web-Fruition
Spatial Information Sciences Surveying Internet/Web Analysis Consulting Archiving Three-dimensional
2015/11/11
3D information creation and fruition has always been, and still is, problematic. The creation of the 3D knowledge of objects has however become easier over the years: the combined use of LIDAR and the...
IMAGE-BASED MODELLING OF ARCHITECTURAL SITES: THE iWitness APPROACH
Close-range photogrammetry Orientation Modelling Reconstruction
2015/10/8
This paper discusses image-based modelling and the generation of textured 3D object models. The main focus of the presentation is
upon a low-cost, easy-to-use photogrammetric system which can handle...
A DEPENDENCY MATRIX TO ASSIST IN THE VISUALIZATION OF GEOSPATIAL IMAGE QUALITY
Visualization Quality Imagery Databases Decision Support
2015/8/31
Professionals of various backgrounds have recognized the value that the use of geospatial imagery can add to their analysis. They
take advantage of the widespread availability of data in vast image ...
URBAN CHANGE EXTRACTION FROM HIGH RESOLUTION SATELLITE IMAGE
Change Detection Large Scale Urban Monitoring Urban Growth PCA NDVI IHS Quickbird
2015/8/31
Very high resolution space borne imagery is essential for a large scale and very detailed urban monitoring and the Quickbird sensor
is one of those. It offers images with a spatial resolution of 0.6...
The use of remote sensing is necessary for monitor wide sea ice areas. However, since different scale sea ices often show similar
geometrical shapes and patterns like fractal, it is not easy for uns...
A 0.5p,m Pixel Frame-Transfer CCD Image Sensor in 110nm CMOS
A 0.5p,m Pixel Frame-Transfer CCD Image Sensor CMOS
2015/8/17
A 0.5p,m Pixel Frame-Transfer CCD Image Sensor in 110nm CMOS.