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基于GPS 与图像融合的智能车辆高精度定位算法
车辆定位 数据融合 智能车辆 计算机视觉 度
2018/2/6
车辆自定位是实现智能车辆环境感知的核心问题之一.全球定位系统(Global Positioning System, GPS)定位误差通常在10 m左右，不能满足智能车辆的定位需求；惯性导航系统成本较高，不适于智能车辆的推广.本文在视觉地图基础上，提出一种基于GPS 与图像融合的智能车辆定位算法.该算法以计算当前位置距离视觉地图中最近一个数据采集点的位姿为目标，首先运用GPS信息进行初定位，在视觉地...
Evaluating the Human Damage of Tsunami at Each Time Frame in Aggregate Units Based on GPS data
GIS The Nankai trough megathrust earthquake Evacuation Casualties Population distribution
2016/11/30
Assessments of the human damage caused by the tsunami are required in order to consider disaster prevention at such a regional level. Hence, there is an increasing need for the assessments of human da...
MONITORING OF LAND SUBSIDENCE IN RAVENNA MUNICIPALITY USING INTEGRATED SAR-GPS TECHNIQUES:DESCRIPTION AND FIRST RESULTS
Ravenna Land Subsidence GPS DInSAR Staring Spotlight Sentinel-1
2016/11/23
The Emilia Romagna Region (N-E Italy) and in particular the Adriatic Sea coastline of Ravenna, is affected by a noticeable subsidence that started in the 1950s, when the exploitation of on and off-sho...
以生产项目为载体的《GPS测量技术与应用》课程教学评价方式探究
生产项目 教学改革 评价方式
2016/12/7
评价是教学中促进教与学的重要手段，也是衡量教学有效性的标准将生产项目引入到《CPS侧量技术与应用》课程教学对该课程的评价方式提出了新的要求，文中结合该课程的教学改革，在评价方式上提出了评价标准的企业化、行业化，评价主体和评价手段的多元化，为该课程的教学评价改革提供一些实践建议，对该课程的教学改革提供一定的参考作用。
多项式拟合GPS水准高程软件设计与实现
CPS高程 多项式拟合模型 MFC 程序
2016/12/6
文中主要阐述了多项式高程拟合模型中的二次多项式拟合和三次多项式拟合通过对这两种常用多项式拟合模型原理分析、算法过程的推导，精度评定方法的研究，基于MicrosoftVisual C++ 6. 0语言平台，进行多项式拟合模型程序开发。
文中通过借鉴以往工作项目的相关内容、数据以及经验，对CPS用于区域地面沉降监侧的布网联侧、监侧时长、数据解算等方面进行探讨，最终确认用CPS进行区域地面沉降监侧切实可行。
IMAGE NETWORK GENERATION OF UNCALIBRATED UAV IMAGES WITH LOW-COST GPS DATA
UAV images uncalibrated camera Image Network Generation GPS Space Coordinate Transformation Self-calibration Bundle adjustment
2016/7/27
The use of unmanned air vehicle (UAV) images acquired by a non-metric digital camera to establish an image network is difficult in cases without accurate camera model parameters. Although an image net...
THE TRADE-OFF BETWEEN PRIVACY AND GEOGRAPHIC DATA RESOLUTION. A CASE OF GPS TRAJECTORIES COMBINED WITH THE SOCIAL SURVEY RESULTS
GPS trajectories privacy locational privacy
2016/7/8
Trajectory datasets are being generated in great volumes due to high levels of Global Positioning System (GPS) and Location-Based Services (LBS) use. Such data are increasingly being collected for a v...
ACCURACY AND SPATIAL VARIABILITY IN GPS SURVEYING FOR LANDSLIDE MAPPING ON ROAD INVENTORIES AT A SEMI-DETAILED SCALE: THE CASE IN COLOMBIA
GPS horizontal accuracy Road inventory Spatial variability
2016/7/8
The accuracy of locating attributes on topographic surfaces when, using GPS in mountainous areas, is affected by obstacles to wave propagation. As part of this research on the semi-automatic detection...
VOLUME COMPUTATION OF A STOCKPILE–A STUDY CASE COMPARING GPS AND UAV MEASUREMENTS IN AN OPEN PIT QUARRY
UAV photogrammetry surveying of stockpiles volumetric computation GNSS technologies
2016/7/5
The following paper aims to test and evaluate the accuracy of UAV data for volumetric measurements to the conventional GNSS techniques. For this purpose, an appropriate open pit quarry has been chosen...
The establishment of ground control points is a critical issue in mapping field, especially for large scale mapping. The fast and rapid technique for ground control point’s establishment is very impor...
The Evaluation of GPS techniques for UAV-based Photogrammetry in Urban Area
UAV DSM Orthophoto GCP
2016/7/5
The efficiency and high mobility of Unmanned Aerial Vehicle (UAV) made them essential to aerial photography assisted survey and mapping. Especially for urban land use and land cover, that they often c...
GPS AND GLONASS COMBINED STATIC PRECISE POINT POSITIONING (PPP)
GPS GLONASS Precise Point Positioning (PPP)
2016/7/4
With the rapid development of multi-constellation Global Navigation Satellite Systems (GNSSs), satellite navigation is undergoing drastic changes. Presently, more than 70 satellites are already availa...
GPS一RTK、全站仪联合作业在化石沟铜矿区地形测量中的应用
矿区 CPS一RTK 全站仪 地形侧量
2016/12/6
地质勘查侧量工作大多数在地形复杂的山区进行，CPS - RTK结合全站仪在勘查侧量中的使用，可大大提高工作效率，缩短工作周期，提高工作精度文中用实例分析CPS - RTK结合全站仪在地形侧量中的应用，针对其应用过程中存在的问题提出了应对措施。