搜索结果: 151-165 共查到“遥感信息工程 lidar”相关记录204条 . 查询时间(0.192 秒)
PRECISE AIRBORNE LIDAR SURVEYING FOR COASTAL RESEARCH AND GEOHAZARDS APPLICATIONS
LIDAR laser ALSM calibration natural hazards shoreline mapping
2015/3/10
The monitoring and analysis of many natural hazards requires repeated measurements of a topographic surface whose change reflects some geologic or hydrologic process. The development of airborne laser...
SOME ALGORITHMS FOR VIRTUAL DEFORESTATION (VDF) OF LIDAR TOPOGRAPHIC SURVEY DATA
lidar laser scanner filtering vegetation canopy algorithm topography ground surface virtual deforestation
2015/3/10
Lidar topographic surveys of forested terrain generate XYZ positions for laser returns from numerous points, some on the ground and some from vegetation. Extracting a ground surface model from such da...
COMPLEMENTARITY OF LIDAR AND STEREO IMAGERY FOR ENHANCED SURFACE EXTRACTION
Sensor Integration LIDAR Digital Imaging Sensors GPS/INS DEM Airborne Mapping
2014/12/31
Modern, integrated GPS/INS-based direct orientation systems, combined with multi-sensor imaging hardware such as digital cameras and laser ranging devices, allow the simultaneous collection of indepen...
BUILDING EXTRACTION AND RECONSTRUCTION FROM LIDAR DATA
Building Extraction Building Reconstruction Object Recognition LIDAR
2014/12/31
This paper presents an approach for building extraction and reconstruction from high quality terrain surface, such as LIDAR data generated surface. The approach takes terrain surface data as input and...
PROGRESS IN LIDAR ALTIMETER REMOTE SENSING OF STAND STRUCTURE IN DECIDUOUS AND CONIFEROUS FORESTS USING SLICER DATA
Lidar forest structure biomass canopy
2014/12/22
Large footprint, waveform sampling lidar altimetry has a number of benefits over traditional, small footprint, single return laser altimetry for the remote sensing of forest structure. Nevertheless, i...
INTEGRATION OF LIDAR, LANDSAT ETM+ AND FOREST INVENTORY DATA FOR REGIONAL FOREST MAPPING
Lidar Forest Inventory SLICER LVIS VCL
2014/12/22
Recent work has established the utility of waveform sampling lidar for predicting forest structural attributes. Nevertheless, serious obstacles to its wide-spread use still exist. They include the lac...
Lidar Studies on The Optical Characteristics of High Altitude Cirrus Clouds at A Low Latitiude Station, Gadanki (13.5°N , 79.2°E ) India
Lidar Cirrus Clouds Optical Depth Lidar ratio Depolarization
2014/12/15
Light Detection and Ranging (LIDAR) which is analogous to Radio Detection And Ranging (RADAR), has become an important and unique technology for atmospheric research and applications. The technology i...
Climatology Of Thin Cirrus Clouds at Gadanki (13.5°N, 79.2°E) Using Ground Based Lidar And Satellite Based Measurements
Remote sensing Atmosphere Lidar Cirrus clouds Optical depth Depolarization ratio Lidar ratio
2014/12/15
High altitude cirrus clouds play a significant role in the radiative balance of Earth atmosphere system. Information on cirrus occurrences and their optical properties is essential for climate modelin...
Airborne LIDAR and high resolution satellite data for rapid 3D feature extraction
LiDAR Feature Extraction Canopy Height Model (CHM) Accuracy
2014/12/15
This work uses the canopy height model (CHM) based workflow for individual tree crown delineation and 3D feature extraction approach (Overwatch Geospatial's proprietary algorithm) for building feature...
Terrestrial Method for Airborne Lidar Quality Control and Assessment
LiDAR accuracy quality control error Assessment
2014/12/4
Most of LiDAR systems do not provide the end user with the calibration and acquisition procedures that can use to validate the quality of the data acquired by the airborne system. Therefore, this syst...
Prospects of photon counting lidar for savanna ecosystem structural studies
Photon counting lidar ICESat-2 MABEL Savanna Canopy height
2014/12/4
Discrete return and waveform lidar have demonstrated a capability to measure vegetation height and the associated structural attributes such as aboveground biomass and carbon storage. Since discrete r...
A Comparative Study between Frequency-Modulated Continous Wave LADAR and Linear LiDAR
LiDAR LADAR range resolution laser terrestrial scanning frequency-modulated continuous wave
2014/12/4
Topographic Light Detection and Ranging (LiDAR) technology has advanced greatly in the past decade. Pulse repetition rates of terrestrial and airborne systems havemultiplied thus vastly increasing dat...
3D RECONSTRUCTION OF BUILDINGS WITH GABLED AND HIPPED STRUCTURES USING LIDAR DATA
LiDAR data feature Support Vector Machine (SVM) 3D reconstruction intersection
2014/12/1
Buildings are the most important objects in urban areas. Thus, building detection using photogrammetry and remote sensing data as well as 3D model of buildings are very useful for many applications su...
UPDATING LIDAR DSM USING HIGH RESOLUTION STEREO-BASED DSM FROM WORLDVIEW-2
Updating DSM LiDAR high resolution satellite images 3D change detection automatic building extraction
2014/12/1
In recent years, the acquisition and processing techniques of high resolution Digital Surface Models (DSM) have been rapidly improved. Airborne LiDAR production as a well-known and high quality DSM is...
FILTERING OF LIDAR POINT CLOUD USING A STRIP BASED ALGORITHM IN RESIDENTIAL MOUNTAINOUS AREAS
Segmentation Filtering LIDAR Point cloud strip based filtering
2014/12/1
Several algorithms have been developed to automatically detect the bare earth in LIDAR point clouds referred to as filtering. Previous experimental study on filtering algorithms determined that in fla...