搜索结果: 16-30 共查到“工学 Multispectral”相关记录85条 . 查询时间(0.059 秒)
MULTISPECTRAL AIRBORNE LASER SCANNING FOR AUTOMATED MAP UPDATING
Laser scanning Lidar Multispectral Point cloud Mapping Automation Updating Change detection
2016/7/27
During the last 20 years, airborne laser scanning (ALS), often combined with multispectral information from aerial images, has shown its high feasibility for automated mapping processes. Recently, the...
TOWARDS AUTOMATIC SINGLE-SENSOR MAPPING BY MULTISPECTRAL AIRBORNE LASER SCANNING
laser scanning lidar multispectral mapping automation intensity change detection classification
2016/7/27
This paper describes the possibilities of the Optech Titan multispectral airborne laser scanner in the fields of mapping and forestry. Investigation was targeted to six land cover classes. Multispectr...
FOREST STAND SEGMENTATION USING AIRBORNE LIDAR DATA AND VERY HIGH RESOLUTION MULTISPECTRAL IMAGERY
lidar multispectral imagery fusion feature extraction supervised classification energy minimisation forest stand delineation tree species
2016/7/27
Forest stands are the basic units for forest inventory and mapping. Stands are large forested areas (e.g., ≥ 2 ha) of homogeneous tree species composition. The accurate delineation of forest stands is...
3D LAND COVER CLASSIFICATION BASED ON MULTISPECTRAL LIDAR POINT CLOUDS
Multispectral Lidar OBIA Intensity Imagery Multi-resolution Segmentation Classification Accuracy Assessment 3D Land Cover Classification
2016/7/5
Multispectral Lidar System can emit simultaneous laser pulses at the different wavelengths. The reflected multispectral energy is captured through a receiver of the sensor, and the return signal toget...
LIGHT-WEIGHT MULTISPECTRAL UAV SENSORS AND THEIR CAPABILITIES FOR PREDICTING GRAIN YIELD AND DETECTING PLANT DISEASES
UAV multispectral multi-temporal agriculture plant vitality NDVI predicting yield
2016/7/5
In this paper we investigate the performance of new light-weight multispectral sensors for micro UAV and their application to selected tasks in agronomical research and agricultural practice. The inve...
UAV MULTISPECTRAL SURVEY TO MAP SOIL AND CROP FOR PRECISION FARMING APPLICATIONS
UAV multispectral images DEM orthophoto NDVI precision farming soil and crop characterization
2016/7/5
New sensors mounted on UAV and optimal procedures for survey, data acquisition and analysis are continuously developed and tested for applications in precision farming. Procedures to integrate multisp...
POTENTIAL OF UAV-BASED LASER SCANNER AND MULTISPECTRAL CAMERA DATA IN BUILDING INSPECTION
Unmanned aerial vehicle 3D point cloud LIDAR thermal infrared camera near infrared camera RGB camera building inspection
2016/7/5
Conventional building inspection of bridges, dams or large constructions in general is rather time consuming and often cost expensive due to traffic closures and the need of special heavy vehicles suc...
Segmentation of remotely sensed images based on the uncertainty of multispectral classification
Segmentation remotely sensed images uncertainty multispectral classification
2016/5/20
Since the launch of high-resolution sensors, the use of satellite images as a major source of spatial information has been the subject of extensive research in a broad range of applications. In partic...
On the use of multispectral and stereo data from airborne scanning systems for DTM generation and landuse classification
multispectral stereo data airborne scanning systems DTM generation landuse classification
2016/5/20
Airborne pushbroom systems for the direct acquisition of digital imagery enable the simultaneous capture of high quality 3D and multispectral information of a scene. The combination of geometric and r...
Remote sensing of vegetation from UAV platforms using lightweight multispectral and thermal imaging sensors
Multispectral narrowband radiative transfer modeling remote sensing stress detection thermal unmanned aerial system (UAS) unmanned aerial vehicles (UAVs)
2016/1/25
Current high spatial resolution satellite sensors lack the spectral resolution required for many quantitative remote sensing
applications and, given the limited spectral resolution, they only allow ...
FUSION OF SAR IMAGES (PALSAR AND RADARSAT-1) WITH MULTISPECTRAL SPOT IMAGE:A COMPARATIVE ANALYSIS OF RESULTING IMAGES
Fusion PALSAR RADARSAT-1 SPOT Statistical analysis
2015/12/31
Land use information is one of the most useful input element in forming policies concerning to economic, environmental issues at national and also at global levels. With the view of these different sp...
FUSION OF REMOTELY SENSED MULTISPECTRAL IMAGERY AND LIDAR DATA FOR FOREST STRUCTURE ASSESSMENT AT THE TREE LEVEL
Airborne remote sensing Classification Digital photogrammetry Fusion Forestry Lidar Multispectral imagery
2015/12/31
A new feature-level fusion is presented for modelling individual trees by applying watershed segmentation and subsequent classification, using tree heights and tree crown signatures derived from light...
STUDY ON INDEPENDENT COMPONENT ANALYSIS’APPLICATION IN CLASSIFICATION AND CHANGE DETECTION OF MULTISPECTRAL IMAGES
Image Classification Change Detection Independent Component Analysis Principal Component Analysis
2015/12/31
Image classification and change detection is a hot topic in remote sensing. This paper sought to apply the method of independent component analysis (ICA), which develops from blind source separation, ...
AN ADAPTIVE CLUSTERING ALGORITHM BASED ON THE POSSIBILITY CLUSTERING AND ISODATA FOR MULTISPECTRAL IMAGE CLASSIFICATION
ISODATA Possibility Clustering Fuzzy Clustering
2015/12/31
For a clustering algorithm, the number of clusters is a key parameter since it is directly related to the number of homogenous regions in the given image. Although ISODATA clustering algorithm can det...
CHANGE DETECTION IN THE MIXED OMBROPHILOUS FOREST USING MULTISPECTRAL RADIOMETRIC ROTATION APPROACH
Forestry,Land cover Change detection Mapping Monitoring Vegetation
2015/12/28
The main task is to apply in the Araucaria angustifolia (Brazilian pine) biome, the multi-temporal change detection algorithm "RCNA multi-spectral", using TM/Landsat-7 and CCD/CBERS-2 images. The stud...