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OCCLUSION DETECTION BY HEIGHT GRADIENT FOR TRUE ORTHOPHOTO GENERATION, USING LIDAR DATA
True Orthophoto Occlusion Detection LiDAR Height Gradient Double Mapping DSM
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2014/4/24
Nowadays, the use of orthophoto in urban areas has become common. It is known that in most parts of urban areas there are a great number of tall buildings which can cause occlusion regions during imag...
CHARACTERISTICS AND ACCURACY OF LARGE AREA COVERING HEIGHT MODELS
DHM satellite imagery InSAR analysis
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2014/4/24
Large area covering height models are dominantly based on optical and synthetic aperture radar (SAR) space imagery. The vertical accuracy of individual object points determined by automatic matching o...
ESTIMATION OF VEGETATION HEIGHT THROUGH SATELLITE IMAGE TEXTURE ANALYSIS
Texture analysis land cover vegetation classification Quickbird mapping
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2014/4/30
Vegetation height plays a crucial role in various ecological and environmental applications, such as biodiversity assessment and monitoring, landscape characterization, conservation planning and disas...
STEREO DERIVED CLOUD TOP HEIGHT CLIMATOLOGY OVER GREENLAND FROM 20 YEARS OF THE ALONG TRACK SCANNING RADIOMETER (ATSR) INSTRUMENTS
Climate Environment Atmosphere Imagery Matching Pattern Stereoscopic
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2014/4/29
Current algorithms for the determination of cloud top height and cloud fraction in Polar Regions tend to provide unreliable results, particularly in the presence of isothermal conditions within the at...
AIRBORNE X-HH INCIDENCE ANGLE IMPACT ON CANOPY HEIGHT RETREIVAL: IMPLICATIONS FOR SPACEBORNE X-HH TANDEM-X GLOBAL CANOPY HEIGHT MODEL
Canopy Height InSAR X-band DTM DSM DEM
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2014/4/29
To support international climate change mitigation efforts, the United Nations REDD+ initiative (Reducing Emissions from Deforestation and Degradation) seeks to reduce land use induced greenhouse gas ...
Optical Feedback Height Control System Using Laser Diode Sensor for Near-Field Data Storage Applications
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2011/11/24
We demonstrated a laser diode position sensor for a near-field height control system. The feedback signal of the laser diode sensor resulted from self-mixing interferometry was characterized and model...
THE STUDY ON HEIGHT INFORMATION EXTRACTION OF CULTURAL FEATURES IN REMOTE SENSING IMAGES BASED ON SHADOW AREAS
Cultural Features Photogrammetry Regional Segmentation Shadow Area Sun Altitude Angle
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2014/6/5
Cultural feature is important element in geospatial information library and the height information is important information of cultural features. The existences of the height information and its preci...
Impacts of Typhoon on Wave Height at Bangkhuntien Shoreline
Significant wave height LINDA SWAN the Upper Gulf of Thailand Bangkhuntien shoreline
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2010/12/22
Problem statement: In this study, the changing of wave height at Bangkhuntien during a passage of typhoon LINDA was simulated by using the Simulating WAves Nearshore Model (SWAN) version 40.41. The st...
The Application of Simulating WAves Nearshore Model for Wave Height Simulation at Bangkhuntien Shoreline
Significant wave height SWAN the Upper Gulf of Thailand Bangkhuntien shoreline
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2010/12/22
Problem statement: In this study, the significant wave height at the Upper Gulf of Thailand
and the change of wave height at Bangkhuntien shoreline were simulated by using the Simulating
WAves Nears...
A GEOBIA APPROACH TO ESTIMATE LARGE AREA FOREST CANOPY HEIGHT USING LIDAR TRANSECTS AND QUICKBIRD IMAGERY
GEOBIA Canopy height Lidar transect Machine learning Forest
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2014/6/12
Numerous applications of small footprint airborne lidar (light detection and ranging) have provided highly accurate results for estimating forest height. However, the associated ...
Variation of Wood Properties with Height Position in the Stems of Obi-Sugi Cultivars
Obi-sugi cultivars wood property variation microfibril angle basic density height increment
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2009/11/23
To promote the use of sugi woods, the information on the variation of wood properties is very important. Obi-sugi is a major group of sugi cultivars planted in Southern Kyushu. However there is no inf...
A General Equation for Calculating the ’True’ Height of Transfer Unit in Extraction Columns
mass transfer extraction columns ’true’ height of transfer unit
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2009/4/28
Based on single drop mass transfer models and two phase flow equation, a general equation for calculating the ’true’ height of transfer unit of extraction columns was derived and tested with four typ...
Methodology of Cloud Height Estimation over Rugged Terrain using Landsat TM Imagery
cloud shadow solar position scan direction ortho-rectificaation
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2009/3/17
Horizontal distance between a cloud and its shadow appeared in a satellite image over flat terrain has been used to estimate the cloud height. This paper describes methodology of the cloud height esti...
THEORETICAL ANALYSIS OF BUILDING HEIGHT ESTIMATION USING SPACEBORNE SAR-INTERFEROMETRY FOR RAPID MAPPING APPLICATIONS
Space-borne Interferometric SAR Building Heights TanDEM-X CosmoSkymed
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2016/3/1
The great potential of space-borne SAR images for semi- or fully-automatic mapping of topographic features has been shown by
many approaches. While most of them focus on 2D mapping of topographic fe...
Influence of Pile Height and Density on Carpets End – Use Properties
carpets pile compression deformation
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2009/2/18
Nine different face-to-face cut pile carpets were used for the investigation. The raw material of the carpet pile yarns was wool and polyamide blended yarns. The influence of the different structure p...