搜索结果: 1-15 共查到“测绘科学技术 Colour”相关记录23条 . 查询时间(0.11 秒)
DOCUMENTATION AND DETECTION OF COLOUR CHANGES OF BAS RELIEVES USING CLOSE RANGE PHOTOGRAMMETRY
Change Detection Colour Decay 3D Reconstruction Archaeology Digital Photogrammetry Classification Segmentation
2017/6/20
The digitization of complex buildings, findings or bas relieves can strongly facilitate the work of archaeologists, mainly for in depth analysis tasks. Notwithstanding, whether new visualization techn...
CALIBRATION/VALIDATION OF LANDSAT-DERIVED OCEAN COLOUR PRODUCTS IN BOSTON HARBOUR
Landsat ocean colour coastal waters algorithm development water constituents
2016/12/1
The Landsat data archive provides a unique opportunity to investigate the long-term evolution of coastal ecosystems at fine spatial scales that cannot be resolved by ocean colour (OC) satellite sensor...
LAND USE CLASSIFICATION FROM VHR AERIAL IMAGES USING INVARIANT COLOUR COMPONENTS AND TEXTURE
High resolution colour images texture classification invariant colour spaces aerial images
2016/11/23
Very high resolution (VHR) aerial images can provide detailed analysis about landscape and environment; nowadays, thanks to the rapid growing airborne data acquisition technology an increasing number ...
Dubai Municipality is actively introducing digital orthophotos for solving actual planning needs. Past experience revealed that already available map products are very soon outdated due to a booming e...
A micro satellite mission for ocean colour imaging mission
Space Sensors Advanced Platforms Small Satellite
2016/5/20
Only few space missions are in orbit or planned which are dedicated to scientific objectives which are related to ocean colour
imaging. For systematic Earth monitoring of ocean regions and for ...
COLOUR-BASED AND CRITERIA-BASED METHODS FOR IMAGE FUSION
COLOUR-BASED CRITERIA-BASED METHODS IMAGE FUSION
2015/12/31
Panchromatic and multispectral images are useful for the acquisition of geospatial information about the Earth surface for the assessment of land resources and environment monitoring. Panchromatic ima...
BUILDING ROOF RECONSTRUCTION FROM LIDAR DATA AND AERIAL IMAGES THROUGH PLANE EXTRACTION AND COLOUR EDGE DETECTION
Laser Sanning (LiDAR) Building Rconstruction Aerial Photogrammetry Data Integration Urban planning Image Pocessing
2015/12/23
In this paper a strategy for 3D reconstruction of building roofs from airborne laser scanning and aerial images is discussed. In order to keep it as general as possible, no predefined primitives or gr...
Polygon Feature Extraction from Satellite Imagery Based on Colour Image Segmentation and Medial Axis
Feature Extraction Imagery Segmentation Semi-automation
2015/12/4
Areal features are of great importance in applications like shore line mapping, boundary delineation and change detection. This research work is an attempt to automate the process of extracting featur...
The Design and Realization of Large Plane Colour CCD Digital Aerial Camera System
Aerial camera Aerial photogrammetry Large CCD-array Colour composition Image fusion Large scale mapping
2015/11/23
On the basis of a size single plane array CCD (SPAC-1), we study and establish a digital aerial photogrammetry camera system, which adopts a “3+1”modular design method, i.e., three ×99 kk×22 kk CCD mo...
investigation of digital colour images
Photogrammetry Digital Technology Colour Imagery Research Processing
2015/9/1
Investigations were carried out for available digital image B,G,R data aiming at the derivation of a colour difference measure for the same scene areas imaged in several overlapping images of a photog...
"atmospheric" correction of digital colour images based on luminance ratio consideration
Photogrammetry Digital Technology Colour Imagery Atmosphere Correction
2015/9/1
Colour images change their appearance with increasing flying height: they are affected by an increasing bluish tint. This phenomenon is primarily the result of Rayleigh scattering. Considerations conc...
Data fusion for multi-scale colour 3d satellite image generation and global 3d visualization
Colour 3D generation multi-scale satellite imagery data fusion
2015/8/21
This paper presents an automatic system for generating multi-scale colour 3D satellite images and dynamic visualization of 3D
images through the Internet. Medium-resolution satellite images such as L...
This paper addresses the issue of colour objects separation from map images obtained by current commercial scanners, in the RGB
system. The proposed methodology is determined by some tested principle...
COLOUR AERIAL PHOTOGRAPHY FOR RIVERBED CLASSIFICATION
Hydrology Classification Scale Texture Orthoimage Land Cover Aerial
2015/7/30
Colour aerial photography has the potential to identify and classify the size characteristics of exposed riverbed sediments over
large areas efficiently. This paper describes the findings of a pilot...
Accuracy of Measurements Made with a Cyrax 2500 Laser Scanner Against Surfaces of Known Colour
Laser scanning point cloud accuracy testing
2015/7/9
Several commercial manufacturers produce laser scanning systems capable of measuring the surfaces of objects to precisions of the
order of a few millimetres at ranges of between 2 and 200 meters. Exp...