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ACQUISION OF GEOMETRICAL DATA OF SMALL RIVERS WITH AN UNMANNED WATER VEHICLE
Unmanned Water Vehicle Multi-sensor Platform Mobile Mapping Lidar Echo Sounder Flash Flood
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2018/6/5
Rivers with small- and medium-scaled catchments have been increasingly affected by extreme events, i.e. flash floods, in the last years. New methods to describe and predict these events are developed ...
Embedded estimation of fault parameters in an unmanned aerial vehicle
Based on the model of fault plane convex optimization problem constraint quadratic programming the horizon framework
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2015/8/10
In this paper, we present a model-based approach for estimating fault conditions in an aircraft. We formulate fault estimation as a convex optimization problem, where estimates are obtained by solving...
QUALITY ANALYSIS OF VEHICLE-BASED SEQUENCE IMAGES RELATIVE ORIENTATION BASED ON COMPUTER VISION
Relative Orientation Direct Geo-referencing Computer vision Sequence images Mobile mapping SIFT RANSAC
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2014/4/28
Analyzed the quality and its influence factors of relative orientation of vehicle-based sequence images by comparing with the result obtained from Position & Orientation System using Direct Geo-refere...
基于Kalman滤波农用车辆导航定位方法（Positions Research of Vehicle Navigation System Based on Kalman Filter）
车辆导航 定位 Kalman滤波
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2009/11/3
因RTD-GPS定位精度不能满足农田导航作业的需要，研究了一种提高农用车辆自动导航定位精度的方法。建立天线补偿模型，对GPS天线晃动引起的误差进行了补偿；建立基于Kalman滤波模型，融合多传感器信息；使用自主开发的基于VRS的GPS接收机，作为RTD-GPS。将RTD-GPS、电子罗盘以及速度传感器获得信息进行Kalman滤波，其结果和高精度GPS数据进行了比较。实验证明，直线跟踪中，平均偏差由...
VEHICLE ACTIVITY INDICATION FROM AIRBORNE LIDAR DATA OF URBAN AREAS BY BINARY SHAPE CLASSIFICATION OF POINT SETS
Airborne LiDAR Urban areas Vehicle extraction Motion indication Shape analysis
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2016/3/1
This paper presents a generic scheme to analyze urban traffic via vehicle motion indication from airborne laser scanning (ALS) data.
The scheme comprises two main steps performed progressively － veh...