搜索结果: 106-120 共查到“测绘科学技术 LIDAR”相关记录391条 . 查询时间(0.064 秒)
APPLICATION AND PRECISION ANALYSES OF AIRBORNE LIDAR TECHNIQUE IN ZHEJIANG AREA
Laser scanning (LiDAR) Filtering Aerial Survey Accuracy
2016/3/17
This article presents the application research of airborne LIDAR (LIght Detection And Ranging) and accuracy analyses in southern part of China. First, the increasing demand of LIDAR and its principles...
EXTRACTION OF 3D FEATURE FROM LIDAR DATA FUSED WITH AERIAL IMAGES USING IMPROVED MEAN-SHIFT ALGORITHM
LiDAR Feature Extraction Mean-Shift
2016/3/17
An innovative approach is proposed for the extraction of the complex urban three dimensional feature efficiently and accurately. In this method, firstly, both the LiDAR data and the aerial images are ...
LiDAR Strip Adjustment using Automatically Reconstructed Roof Shapes
LIDAR Reconstruction Adjustment Building Point Cloud Quality
2016/1/25
LiDAR systems have been established as technology for fast and high-resolution acquisition of 3D point clouds. In general, LiDAR
data acquisition is conducted by private companies who are also respo...
Fusion of lidar and photogrammetric generated Digital Elevation Models
Multisource data Fusion Integration Quality Control Digital Elevation Model
2016/1/25
The fusion of digital surfaces, their optimal combination into a new single dataset, is a crucial topic in the geomatic sciences. Nowadays,
sensors and processing techniques provide for the same site...
Small-Footprint Discrete-Return LIDAR in Tree Species Recognition
Airborne laser scanning Single tree Intensity Classification Monoplotting Crown modeling
2016/1/25
In forest inventories, the species information is crucial for economical, ecological and technical reasons. Species recognition is
currently a bottleneck in practical remote sensing applications. He...
Inverse Calibration of LiDAR Filtering Parameters: UCODE_2005/GRASS Integration
LiDAR Filtering Calibration Accuracy GRASS UCODE
2016/1/25
The paper presents a procedure developed to calibrate the value of parameters used in algorithms that perform LiDAR’s data
filtering.
Fusion of Hyperspectral Images and LIDAR data for Civil Engineering Structure Monitoring
LIDAR Hyperspectral Fusion data 3D maps Urban Environment
2016/1/25
Investigation of civil engineering materials includes a wide range of applications that requires three-dimensional (3D) information.
Complex structures shapes and formations within heterogeneous art...
DEVELOPMENT OF HIGH RESOLUTION 3D SOUND PROPAGATION MODEL USING LIDAR DATA AND AIR PHOTO
Laser altimetry 3D modelling Aerial image Clustering Extraction
2016/1/3
Prediction of sound level of real world environment in 3D is important for managing noise pollution, urban planning, virtual realization of sound etc. Commercially available semi-empirical sound model...
INTERGRATION OF HIGH RESOLUTION AERIAL IMAGES AND AIRBORNE LIDAR DATA FOR FOREST DELINEATION
Aerial images Airborne LIDAR Image Segmentation Texture Forest Delineation Remote Sensing
2015/12/31
Forest boundary is one of the important parameters in Swiss National Forest Inventory (NFI). It is mainly delineated by aerial photo interpretation according to the defined “Forest/Non-forest decision...
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...
GEOMETRICAL AND STRUCTURAL PARAMETERIZATION OF FOREST CANOPY RADIATIVE TRANSFER BY LIDAR MEASUREMENTS
Remote Sensing Forestry LIDAR Vegetation Modelling Structure
2015/12/30
A forest canopy is a complex system with a highly structural multi-scale architecture. Physical based radiative transfer (RT) modelling has been shown to be an effective tool for retrieval of vegetati...
RADAR AND LIDAR SYNERGY STUDIES BY MODEL SIMULATION
Remote Sensing Forestry Modeling Retrieval Radar Lidar Fusion
2015/12/29
The use of lidar and radar instruments to measure forest structure attributes such as height and biomass are being considered for future Earth Observation satellite missions. Large footprint lidar mak...
TOWARDS 3D MAPPING OF FORESTS:A COMPARATIVE STUDY WITH FIRST/LAST PULSE AND FULL WAVEFORM LIDAR DATA
LIDAR Analysis Segmentation Forestry Vegetation
2015/12/29
This paper highlights several approaches to segment and reconstruct trees from LIDAR data and compares the results acquired both from first/last pulse and full waveform data. In a first step, we set u...
Application and Precision Analysis of Tree height Measurement with LiDAR
Image Processing Accuracy Analysis Forestry Laser Scanning Point Cloud Digital Surface Models(DSM) Digital Terrain Models(DEM)
2015/12/29
Light Detection And Ranging (LiDAR), is a system of laser detection and distance measurement installed on aircraft or satellites. Because of its high angular resolution, high range resolution and anti...
THE UTILITY OF LIDAR FOR RECOVERING ECOLOGICAL VARIABLES
LIDAR Ecology Vegetation Return Intensity Landscape Point Cloud
2015/12/29
The results of an investigation of the utility of LiDAR (Light Detection and Ranging) for recovering ecological variables are detailed. Mean LiDAR intensity and standard deviation of intensity were ca...