搜索结果: 1-15 共查到“几何大地测量学”相关记录101条 . 查询时间(2.33 秒)
北京理工大学机械与车辆学院硕士生导师肖定国副教授（图）
北京理工大学机械与车辆学院 硕士生导师 肖定国 副教授 超声检测技术
2019/12/23
肖定国，副教授/硕导，研究方向：研究方向包括超声检测技术、几何量测量技术和运动控制技术。研究经验包括声发射法刀具破损检测技术、超声法弹性模量测量技术、超声法液位测量技术、超声法流量测量技术、超声扫查探伤技术、超声换能器及仪器特性校准技术、深孔内腔几何参数测量技术、电机控制技术及机床数控技术。
山东大学科技期刊社四期刊获中国高校期刊奖励
山东大学科技期刊社 四期刊 中国高校 期刊奖励
2018/11/20
2018年11月5日，中国高校科技期刊研究会公布了2018年度全国高校“杰出·百佳·优秀科技期刊”评选结果。山东大学科技期刊社编辑出版的《山东大学学报（理学版）》被评为“中国高校百佳科技期刊”；《山东大学学报（医学版）》《山东大学学报（工学版）》《山东大学耳鼻喉眼学报》被评为“中国高校优秀科技期刊”。近年来，科技期刊社紧紧围绕学校“双一流”建设，以创建“名刊强社”为目标，认真谋划发展蓝图，实施“期...
IDENTIFICATION OF LOW ACCURACY REGIONS IN LAND COVER MAPS USING UNCERTAINTY MEASURES AND CLASSIFICATION CONFIDENCE
Multispectral images Classification Uncertainty Confidence Accuracy Spatial variation
2018/11/9
The aim of this article is to assess if the data provided by soft classifiers and uncertainty measures can be used to identify regions with different levels of accuracy in a classified image. To this ...
HYBRID GEOMETRIC CALIBRATION METHOD FOR MULTI-PLATFORM SPACEBORNE SAR IMAGE WITH SPARSE GCPS
SAR image geometric calibration R-D model multi-platform TerraSAR-X TanDEM-X Gaofen-3
2018/5/15
Geometric calibration is able to provide high-accuracy geometric coordinates of spaceborne SAR image through accurate geometric parameters in the Range-Doppler model by ground control points (GCPs). H...
A MATCHING METHOD TO REDUCE THE INFLUENCE OF SAR GEOMETRIC DEFORMATION
SAR image image matching SURF SNCC geometrical deformations
2018/5/14
There are large geometrical deformations in SAR image, including foreshortening, layover, shade，which leads to SAR Image matching with low accuracy. Especially in complex terrain area, the control poi...
3-DIMENSIONAL GEOMETRIC SURVEY AND STRUCTURAL MODELLING OF THE DOME OF PISA CATHEDRAL
Structural analysis Laser scanning Photogrammetry Cultural Heritage Dome
2017/4/5
This paper aims to illustrate the preliminary results of a research project on the dome of Pisa Cathedral (Italy). The final objective of the present research is to achieve a deep understanding of the...
A MODIFIED METHOD FOR IMAGE TRIANGULATION USING INCLINED ANGLES
image triangulation inclined angle spherical triangle panorama least squares
2016/7/27
The ongoing technical improvements in photogrammetry, Geomatics, computer vision (CV), and robotics offer new possibilities for many applications requiring efficient acquisition of three-dimensional d...
PEDESTRIAN DETECTION BY LASER SCANNING AND DEPTH IMAGERY
profile scanning depth imagery 3D modelling pedestrian detection
2016/7/27
Pedestrian flow is much less regulated and controlled compared to vehicle traffic. Estimating flow parameters would support many safety, security or commercial applications. Current paper discusses a ...
ANALYSIS OF THE SEGMENTED FEATURES OF INDICATOR OF MINE PRESENCE
Indicator of mine presence segmentation general geometric shapes factor analysis
2016/7/27
The aim of this research is to investigate possibility for interactive semi-automatic interpretation of digital images in humanitarian demining for the purpose of detection and extraction of (strong) ...
DETECTION OF GEOMETRIC KEYPOINTS AND ITS APPLICATION TO POINT CLOUD COARSE REGISTRATION
Point Cloud Coarse Registration 3D Keypoints Extraction ICP Geometry Description LiDAR
2016/7/27
Acquisition of large scale scenes, frequently, involves the storage of large amount of data, and also, the placement of several scan positions to obtain a complete object. This leads to a situation wi...
POLE-LIKE OBJECT EXTRACTION FROM MOBILE LIDAR DATA
LiDAR Point Clouds Local Roughness Graph Cuts based segmentation Pole-like object detection DBSCAN based point clustering
2016/7/5
Object detection and recognition from LiDAR (Light Detection And Ranging) data has been a research topic in the fields of photogrammetry and computer vision. Unlike point clouds collected in well-cont...
TUNNEL POINT CLOUD FILTERING METHOD BASED ON ELLIPTIC CYLINDRICAL MODEL
Elliptic Cylindrical Model Point Cloud Filtering Tunnel Central Axis Non-points Regional Segmentation
2016/7/5
The large number of bolts and screws that attached to the subway shield ring plates, along with the great amount of accessories of metal stents and electrical equipments mounted on the tunnel walls, m...
ON-ORBIT GEOMETRIC CALIBRATION APPROACH FOR HIGH-RESOLUTION GEOSTATIONARY OPTICAL SATELLITE GaoFen-4
GaoFen-4 high-resolution geostationary optical satellite on-orbit geometric calibration two-dimensional direction angle model geometric accuracy
2016/7/4
The GaoFen-4 (GF-4) remote sensing satellite is China’s first civilian high-resolution geostationary optical satellite, which has been launched at the end of December 2015. To guarantee the geometric ...
LOW FREQUENCY ERROR ANALYSIS AND CALIBRATION FOR HIGH-RESOLUTION OPTICAL SATELLITE’S UNCONTROLLED GEOMETRIC POSITIONING
high-resolution optical satellite low frequency error star sensor uncontrolled geometric positioning
2016/7/4
The low frequency error is a key factor which has affected uncontrolled geometry processing accuracy of the high-resolution optical image. To guarantee the geometric quality of imagery, this paper pre...
AIRBORNE LINEAR ARRAY IMAGE GEOMETRIC RECTIFICATION METHOD BASED ON UNEQUAL SEGMENTATION
Linear array image Geometric rectification Unequal segmentation Dynamic programming Straight line feature
2016/7/4
As the linear array sensor such as multispectral and hyperspectral sensor has great potential in disaster monitoring and geological survey, the quality of the image geometric rectification should be g...