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MONITORING CONCEPTS FOR COASTAL AREAS USING LIDAR DATA
Lidar digital terrain model classification conditional random fields coast
2014/4/24
Coastal areas are characterized by high spatial and temporal variability. In order to detect undesired changes at early stages, enabling rapid countermeasures to mitigate or minimize potential harm or...
AREA-BASED SNOW DAMAGE CLASSIFICATION OF FOREST CANOPIES USING BI- TEMPORAL LIDAR DATA
Change detection airborne laser scanning logistic regression
2014/6/5
Multitemporal LiDAR data provide means for mapping structural changes in forest canopies. We demonstrate the use of area-based estimation method for snow damage assessment. Change features of bi-tempo...
FEATURES AND GROUND AUTOMATIC EXTRACTION FROM AIRBORNE LIDAR DATA
LiDAR data segmentation building detection DTM skewness kurtosis
2014/6/5
The aim of the research has been the developing and implementing an algorithm for automated extraction of features from LIDAR scenes with varying terrain and coverage types. This applies the moment of...
STRUCTURE LINE DETECTION FROM LIDAR POINT CLOUDS USING TOPOLOGICAL ELEVATION ANALYSIS
Detection Automation Analysis Point cloud LIDAR Building Model
2014/4/28
Airborne LIDAR point clouds, which have considerable points on object surfaces, are essential to building modeling. In the last two decades, studies have developed different approaches to identify str...
HIERARCHICAL ALGORITHM IN DTM GENERATION AND AUTOMATIC EXTRACTION OF ROAD FROM LIDAR DATA
LIDAR DTM Road Extraction
2014/4/28
Growing demand for an efficient land use above and below the ground is motivating cadastre and land management systems to move from traditional 2D systems toward three dimensional ones. Airborne laser...
A PROCEDURE FOR THE REGISTRATION AND SEGMENTATION OF HETEROGENEOUS LIDAR DATA
LiDAR Registration Segmentation Fusion Automation
2014/4/25
Laser scanning, whether airborne or terrestrial is being used nowadays for wide spectrum of applications. In addition, many advances have been introduced to the laser scanning technology in the last d...
结合影像和LiDAR点云数据的水体轮廓线提取方法
机载激光雷达 水体 轮廓线
2009/9/30
从遥感影像中提取水体的传统方法在阴影处和水体浑浊处存在一定局限；机载激光雷达（LiDAR）获取点云数据时水体受阴影和浑浊的影响小，因此使用点云数据提取水体比使用影像数据更加稳健；但点云数据的分辨率低，所提取的轮廓线精度不高。为了提高水体边缘轮廓线的精确度，提出一种高分辨率影像与点云数据相结合的水体轮廓线提取方法。实验结果表明，该方法所提取的水体轮廓线定位精确、细节完好，水体提取准确率达到98.6%...