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QUALITY ANALYSIS OF 3D SURFACE RECONSTRUCTION USING MULTI-PLATFORM PHOTOGRAMMETRIC SYSTEMS
Quality Analysis 3D reconstruction Laser scanning Multi-platform photogrammetric systems Unmanned Aerial Vehicle (UAV) Terrestrial imaging
2016/7/27
In recent years, the necessity of accurate 3D surface reconstruction has been more pronounced for a wide range of mapping, modelling, and monitoring applications. The 3D data for satisfying the needs ...
QUALITY ANALYSIS ON 3D BUIDLING MODELS RECONSTRUCTED FROM UAV IMAGERY
UAV structure from motion point clouds building reconstruction 3D modeling performance validation
2016/7/5
Recent developments in UAV technology and structure from motion techniques have effected that UAVs are becoming standard platforms for 3D data collection. Because of their flexibility and ability to r...
Quality analysis of the LH Systems DW300 Roll film scanner
Roll Film Scanner Scanner Test CCD
2016/5/20
Geometric and radiometric investigations performed with two LH Systems DSW300 scanners are presented. Good quality test patterns
and accurate processing methods for their performance evaluation have ...
QUALITY ANALYSIS OF 3D ROAD RECONSTRUCTION
Quality analysis 3D road reconstruction topographic features data fusion laser scanner data
2015/11/10
Quality of 3D reconstructed roads strongly depends on input data and following processing steps. Quality analysis is essential for building up a reliable reconstruction process and for a proper use of...
INSAT-3D Quality Analysis System (i3dQAS)
DQE Geometric accuracy Radiometric Quality Payload health Level-0 i3dQAS Quality Database
2014/12/15
INSAT-3D, an advanced meteorological satellite of ISRO carrying Imager and Sounder payloads is designed for acquiring data required for detailed climatological applications. At established data centre...
Fusion of terrasar-x and rapideye data: a quality analysis
Image fusion TerraSAR-X RapidEye Multi-sensor
2014/4/22
This research compares and evaluates image fusion algorithms to achieve spatially improved images while preserving the spectral information. In order to compare the performance of fusion techniques bo...
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
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...
QUALITY ANALYSIS ON RANSAC-BASED ROOF FACETS EXTRACTION FROM AIRBORNE LIDAR DATA
Analysis Quality Algorithms Extraction LIDAR Building
2014/4/28
RANSAC algorithm is a robust method for model estimation. It is widely used in the extraction of geometry primitives and 3D model reconstruction. However, there has been relatively little comprehensiv...
风电场接入电网后的电能质量问题分析（Power Quality Analysis with the Wind Farm Integrating in Power System）
风力发电 电能质量 闪变 谐波
2010/8/17
风电并网运行所引起的电能质量问题如闪变和谐波等随风电比重的增大而日益突出。本文对风电场并网运行产生闪变和谐波的机理进行了分析，再给出计算方法，最后结合实际电网算例对风电场并网运行后的电能质量计算分析方法进行说明。
无封装条件下牛奶存放质量电子鼻分析（Storage Quality Analysis of Milk in Non-encapsulation Condition Based on Electronic Nose）
牛奶 无封装 电子鼻 质量分析
2010/4/1
选用气敏传感器阵列动态响应中不同时刻的响应值来表征无封装牛奶测试样本，借助于主成分分析（PCA）、Fisher判别分析（FDA）研究了牛奶开封后不同存放天数的质量变化情况，并给出了最优表征区间。以最优表征区间响应值的平均值为样本的表征值，进行了牛奶质量的PCA、FDA分析。结果表明：无论是利用不同时刻的响应值或是平均值来表征样本，PCA、FDA均能鉴别出牛奶开封后的质量变化情况。因此，用电子鼻分析...
Quality Analysis of Cotton/Polyester Yarn Blends Spun with the Use of a Rotor Spinning Frame
cotton yarn blended yarns cotton/polyester blends quality yarn parameters
2009/2/11
An analysis was carried out of parameters characterising fibres, half-finished products, cotton
yarns and cotton/polyester yarn blends spun with the use of a R1 rotor spinning frame from Rieter. The ...
Quality analysis of the Al-Si-Cu alloy castings
Casting defect Technological process Computer image analysis
2011/3/11
materials from the light alloys in the technological process, and the automatic process flow correction will make the production cost reduction possible, and - first of all - to reduce the amount of t...