搜索结果: 1-15 共查到“光学工程 method”相关记录107条 . 查询时间(0.156 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：The spectral collocation method for the nonlocal problem with weak singularity
弱奇点 非局部问题 光谱搭配
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2023/5/6
介绍求解一维弱奇异非局部扩散问题的谱配位法，建立了相应的Gauss-Jacobi 积分公式，并将其推广至高维非局部问题的谱配置点法，相关的理论与实验检验了算法的精度和渐进相容性。
IMAGE-BASED METHOD FOR THE PAIRWISE REGISTRATION OF MOBILE LASER SCANNING POINT CLOUDS
pairwise registration relative registration image registration template matching
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2018/11/9
In this paper, a method is proposed for solving relative translations of 3D point clouds collected by Mobile Laser Scanning (MLS) techniques. The proposed approach uses the attributes of the 3D points...
A SLIDING WINDOW METHOD FOR DETECTING CORNERS OF OPENINGS FROM TERRESTRIAL LIDAR DATA
Sliding Window Corners Detection Openings Detection LiDAR Point Clouds LoD3 Modelling
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2018/11/9
Architectural building models (LoD3) consist of detailed wall and roof structures including openings, such as doors and windows. Openings are usually identified through corner and edge detection, base...
RESEARCH ON COORDINATE TRANSFORMATION METHOD OF GB-SAR IMAGE SUPPORTED BY 3D LASER SCANNING TECHNOLOGY
GB-SAR Interference measurement 3D laser scanning Coordinate Transformation
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2018/5/15
In the image plane of GB-SAR, identification of deformation distribution is usually carried out by artificial interpretation. This method requires analysts to have adequate experience of radar imaging...
RESEARCH ON A DEM COREGISTRATION METHOD BASED ON THE SAR IMAGING GEOMETRYv
DEM Coregistration DEM Intensity Simulation Cross-correlation 2D Polynomial Fitting
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2018/5/15
Due to the systematic error, especially the horizontal deviation that exists in the multi-source, multi-temporal DEMs (Digital Elevation Models), a method for high precision coregistration is needed. ...
A HYPERSPECTRAL BASED METHOD TO DETECT CANNABIS PLANTATION IN INACCESSIBLE AREAS
EO-1 Hyperion Hyperspectral data preprocessing Cannabis Morocco Spectral Angle Mapper (SAM)
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2018/5/14
The increase in drug use worldwide has led to sophisticated illegal planting methods. Most countries depend on helicopters, and local knowledge to identify such illegal plantations. However, remote se...
A BAND SELECTION METHOD FOR HIGH PRECISION REGISTRATION OF HYPERSPECTRAL IMAGE
Hyperspectral Image High Spatial Resolution Image Registration CRLB Theory Band Selection Algorithm
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2018/5/16
During the registration of hyperspectral images and high spatial resolution images, too much bands in a hyperspectral image make it difficult to select bands with good registration performance. Terrib...
EXTRACTING 3-D DEFORMATION FIELDS FROM LEFT- AND RIGHT-LOOKING INSAR WITH SM-VCE METHOD: A CASE STUDY OF OCTOBER 21, 2016 CENTRAL TOTTORI EARTHQUAKE
InSAR, 3-D deformations, SM-VCE, left-looking mode, accuracy assessment
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2018/5/15
Three-dimensional (3-D) deformation fields with respect to the October 2016’s Central Tottori earthquake are extracted in this paper from ALOS-2 conducted Interferometric Synthetic Aperture Radar (InS...
INCORRECT MATCH DETECTION METHOD FOR ARCTIC SEA-ICE RECONSTRUCTION USING UAV IMAGES
Unmanned Aerial Vehicle Digital Surface Model Image Matching Arctic Sea-Ice
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2018/6/4
Shapes and surface roughness, which are considered as key indicators in understanding Arctic sea-ice, can be measured from the digital surface model (DSM) of the target area. Unmanned aerial vehicle (...
GRAPHICS-IMAGE MIXED METHOD FOR LARGE-SCALE BUILDINGS RENDERING
City 3D Graphic and Image Mixed Large-scale Scene Huge Data Urban Building
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2018/6/5
Urban 3D model data is huge and unstructured, LOD and Out-of-core algorithm are usually used to reduce the amount of data that drawn in each frame to improve the rendering efficiency. When the scene i...
New method improves accuracy of imaging systems
New method accuracy imaging systems
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2017/2/16
New research provides scientists looking at single molecules or into deep space a more accurate way to analyze imaging data captured by microscopes, telescopes and other devices.The improved method fo...
THE MONUMENTS RESTORATION YARD: A VIRTUALIZATION METHOD AND THE CASE OF STUDY OF SALA DELLE CARIATIDI IN PALAZZO REALE, MILAN
Cultural Heritage Laser Scanning Close-range photogrammetry Virtual Reality Visualization Real-time
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2015/8/7
In this paper we present a method for applying VR techniques to simulate and analyze restoration projects of architectural
monuments, starting from real world data. Our method is meant as a visualiz...
A NEW METHOD FOR VANISHING POINTS DETECTION IN 3D RECONSTRUCTION FROM A SINGLE VIEW
Photogrammetry 3D reconstruction Single-Image Technique Geometry vanishing points estimation
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2015/8/7
From a single view that contains a three dimensional scene is possible to obtain substantial information about the object and even its
partial reconstruction. This analysis can provide, in the case ...
A METHOD ON MODELING AND VISUALIZATION OF 3D OBJECT
Three-dimensional (3D) object modelling 3D Visualization TIN Multi-resolution Edge collapses
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2015/8/7
Three-dimensional (3D) digital modeling of object through optical scanners has been demonstrated in recent years with results of
exceptional interest. However, the routine application of 3D modeling...
Method to Monitor Atmospheric Atomic Mercury by a Differential Absorption Lidar System
Monitor Atmospheric Atomic Mercury Differential Absorption Lidar System
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2016/12/2
A differential absorption lidar (DIAL) system has been developed for atomic mercury concentration monitoring and applied in ambient air monitoring in Guangzhou, China. A 24-hour measurement on backgro...