搜索结果: 16-30 共查到“工学 IMU”相关记录37条 . 查询时间(0.045 秒)
IMAGE ORIENTATION BY COMBINED (A)AT WITH GPS AND IMU
GPS IMU Direct Sensor Orientation Integrated Sensor Orientation
2015/5/12
During recent years the direct sensor orientation with GPS and IMU has gained popularity. These systems allow the determination of
all exterior orientation elements without using ground control point...
HIGH-QUALITY GEO-REFERENCING OF GPS/IMU-SUPPORTED MULTI-SPECTRAL AIRBORNE SCANNER DATA – EXPERIENCES AND RESULTS
Adjustment GPS IMU Integration Orthorectification
2015/3/25
For the work programme BIOTOPMONITORING VIENNA of the Austrian Health Institute, multi-spectral air-borne scanner data have
been recorded in the intention of automation supported identification and c...
A SINGLE STEP CALIBRATION PROCEDURE FOR IMU/GPS IN AERIAL PHOTOGRAMMETRY
Orientation System Calibration
2015/3/24
System calibration is required in integrated IMU/GPS systems to account for the spatial offset and misalignment between IMU, GPS
and camera frames; synchronization is to be maintained, to predict IM...
INVESTIGATIONS ON SYSTEM CALIBRATION OF GPS/IMU AND CAMERA FOR DIRECT GEOREFERENCING
Aerial Triangulation Calibration
2015/3/24
An inevitable task before direct georeferencing can be performed is the calibration of the GPS/IMU system and the imaging sensor.
The permanent calibration fields for large- and medium-scale (1:3 30...
TRIANGULATION OF LH SYSTEMS’ ADS40 IMAGERY USING ORIMA GPS/IMU
Sensor Digital Three-Line, Aerial
2015/3/24
The paper describes the mathematical model used for the triangulation of the ADS40. The ADS40 Airborne Digital Sensor is LH
Systems’ multi-line scanner (Röser, 2000; Sandau, 2000). It is based ...
Combining MEMS-based IMU data and vision-based trajectory estimation
Positioning and Tracking Vision-based trajectory Motion estimation IMU Data fusion
2014/7/23
This paper presents an efficient location tracking algorithm that integrates vision-based motion estimation and IMU data. Orientation and translation parameters of the mobile device are estimated from...
低成本IMU具有误差大、误差随温度变化明显等特点，并且不同IMU误差差异较大，应用时需深入辨识所使用IMU误差特性，并补偿，以提升应用效果；为此形成了一种预处理算法流程，首先应用Allan方差分析IMU随机误差情况；为抑制噪声干扰，提升IMU应用性能，然后应用IIR滤波器对IMU数据进行预滤波处理，抑制非相关噪声；最后提出了预处理算法处理实测IMU数据，实验结果充分证实了Allan方差误差参数辨识...
APPLYING 3D AFFINE TRANSFORMATION AND LEAST SQUARES MATCHING FOR AIRBORNE LASER SCANNING STRIPS ADJUSTMENT WITHOUT GNSS/IMU TRAJECTORY DATA
Airborne Laser Scanning adjustment LIDAR georeferencing quality control
2014/6/5
In this article we extend our previous work on the topic of ALS strip adjustment without GNSS/IMU trajectory data. Between overlap- ping strip pairs the relative orientation as a 3D affine trans...
AUTOMATED BLUR DETECTION AND REMOVAL IN AIRBORNE IMAGING SYSTEMS USING IMU DATA
Blur Detection Blur Removal Inertial Measurement Unit Automated Quality Control
2014/4/25
Images acquired by airborne sensors exhibit blur due to turbulent motion experienced by the aircraft. Significant amount of blur renders the images unusable for subsequent visual/automated analysis, r...
REQUEST ANALYSIS OF DGPS/IMU ON THE AIR-BORNE INSAR SYSTEM
airborne SAR IMU/DGPS attitude compensation motivation compensation DEM generation
2014/4/25
The DGPS/IMU can measure position and velocity extremely high, and it is widely used in air-borne InSAR system. The passage based on the DGPS/IMU's action in the airborne InSAR system, makes sure the ...
惯性测量单元(IMU)是位置姿态系统(POS)的核心部分,IMU的精度很大程度上决定着POS精度。由于高精度光纤陀螺(FOG)的光纤线圈对磁场敏感,基于高精度FOG的IMU精度会受磁场影响而降低。本文研究了FOG磁敏感性机理,通过实验得出高精度光纤IMU对磁场敏感的结论。采用电磁场有限元分析软件Ansoft Maxwell研究了磁屏蔽体采用不同材料、不同厚度时的磁屏蔽效能(SE),并进行了IMU磁...
车载GPS/IMU/LS激光成像系统外方位元素的动态标定
车载激光成像系统 外方位元素 标定 微小转角
2011/7/29
本文研究提出了一种带有微小转角修正的车载激光成像系统外方位元素标定方法。针对全球定位系统
（GPS）、惯性测量单元（IMU）和激光扫描仪（LS）集成的车载激光成像系统（车载移动测绘系统），该方法使用6个微小旋转角参数和6个微小平移参数对传统标定模型参数进行修正。实验数据表明，本文方法可对
Particle Filter Data Fusion Enhancements for MEMS-IMU/GPS
Micro-Electro-Mechanical-System Particle Filter Data Fusion Extended Kalman Filtering
2013/1/29
This research aims at enhancing the accuracy of navigation systems by integrating GPS and Mi-cro-Electro-Mechanical-System (MEMS) based inertial measurement units (IMU). Because of the conditions re-q...
IMU/DGPS辅助航空摄影新技术的应用
IMU DGPS 航空摄影测量
2009/11/24
利用IMU/DGPS组合导航技术，可以在航空摄影的同时直接获取像片的外方位元素。试验表明，只要对IMU/DGPS与航摄仪的集成系统误差和漂移误差进行检校和改正，直接获取的像片外方位元素可以用于正射影像的制作和中小比例尺测图。本文首先讨论了IMU/DGPS组合导航技术和IMU/DGPS辅助航空摄影系统的工作原理； 然后，结合甘肃酒泉试验数据，重点分析讨论了IMU/DGPS和航摄仪集成系统的误差及其检...