搜索结果: 1-15 共查到“测绘科学技术 Shape-From-X”相关记录50条 . 查询时间(0.14 秒)
INTEGRATION OF SURVEYING TECHNIQUES TO DETECT THE IDEAL SHAPE OF A DOME: THE CASE OF THE ESCUELAS PíAS CHURCH IN VALENCIA
Laser scanner Cultural heritage Thermal camera 3D modelling
2019/2/28
The three-dimensional (3D) documentation and surveying of cultural heritage can be carried out following several geomatics techniques such as laser scanning and thermography in order to detect the ori...
AUTOMATIC ROOFTOP EXTRACTION IN STEREO IMAGERY USING DISTANCE AND BUILDING SHAPE REGULARIZED LEVEL SET EVOLUTION
Rooftop extraction Level set DSM DTM
2017/7/12
Automatic rooftop extraction is one of the most challenging problems in remote sensing image analysis. Classical 2D image processing techniques are expensive due to the high amount of features require...
SHAPE AND CONSTRUCTION OF BRICK VAULTS. CRITERIA, METHODS AND TOOLS FOR A POSSIBLE CATALOGUE
Built heritage cloister vaults laser scanning photogrammetry thermographic investigations
2017/6/20
The use of cloister vaults in the construction of noble buildings, as covering elements for square or rectangular rooms, is widespread and well-known. The geometric continuity at the intrados makes ge...
DETERMINING TOOTH OCCLUSAL SURFACE RELIEF INDICATOR BY MEANS OF AUTOMATED 3D SHAPE ANALYSIS
Photogrammetry 3D reconstruction Automation Non-contact measurements Odontometry
2017/6/19
Determining occlusal surface relief indicator plays an important role in odontometric tooth shape analysis. An analysis of the parameters of surface relief indicators provides valuable information abo...
PHOTOGRAMMETRY-BASED AUTOMATED MEASUREMENTS FOR TOOTH SHAPE AND OCCLUSION ANALYSIS
Photogrammetry 3D reconstruction Automation Segmentation Dentistry Odontometry Occlusiometry Odontotomy
2016/11/11
Tooth measurements (odontometry) are performed for various scientific and practical applications, including dentistry. Present-day techniques are being increasingly based on 3D model use that provides...
REFINEMENT OF STEREO IMAGE ANALYSIS USING PHOTOMETRIC SHAPE RECOVERY AS AN ALTERNATIVE TO BUNDLE ADJUSTMENT
Stereo Image Analysis Shape from Shading Bundle Adjustment DEM 67P/Churyumov-Gerasimenko
2016/11/8
Topographic mapping, e.g. the generation of Digital Elevation Models (DEM), is of general interest to the remote sensing community and scientific research. Commonly, photogrammetric methods, e.g. ster...
SHAPE AND ALBEDO FROM SHADING (SAfS) FOR PIXEL-LEVEL DEM GENERATION FROM MONOCULAR IMAGES CONSTRAINED BY LOW-RESOLUTION DEM
Moon DEM Shape and Albedo from Shading (SAfS) Monocular Image
2016/11/8
Lunar topographic information, e.g., lunar DEM (Digital Elevation Model), is very important for lunar exploration missions and scientific research. Lunar DEMs are typically generated from photogrammet...
SHAPELEARNER:TOWARDS SHAPE-BASED VISUAL KNOWLEDGE HARVESTING
Shape Knowledge Harvesting Shape Matching Shape Segmentation Shape Synthesis
2016/7/28
The explosion of images on the Web has led to a number of efforts to organize images semantically and compile collections of visual knowledge. While there has been enormous progress on categorizing en...
IMPROVEMENT AND EXTENSION OF SHAPE EVALUATION CRITERIA IN MULTI-SCALE IMAGE SEGMENTATION
Multi-scale Segmentation Shape Criterion Aspect Ratio Automatic Parameterization F-measure Object-based Image Analysis
2016/7/28
From the last decade, the multi-scale image segmentation is getting a particular interest and practically being used for object-based image analysis. In this study, we have addressed the issues on mul...
AUTOMATIC SHAPE-BASED TARGET EXTRACTION FOR CLOSE-RANGE PHOTOGRAMMETRY
Target extraction close-range photogrammetry coded target shape-based matching
2016/7/5
In order to perform precise identification and location of artificial coded targets in natural scenes, a novel design of circle-based coded target and the corresponding coarse-fine extraction algorith...
Towards optimal relief representation from Mars imagery by combination of DEM and shape-from-shading
Mars imagery combination DEM shape-from-shading
2016/5/20
Described are experimental results of a first approach towards optimal shaded relief representation of the surface of Mars derived from Viking Orbiter digital imagery. The complex problem addresses ho...
Studies of Phobos' Orbit, Rotation, and Shape Using Spacecraft Image Data
Phobos Control Point Network Shape Orbit Model Astrometric Observations
2015/12/17
Images obtained by the High Resolution Stereo Camera (HRSC) and the Super Resolution Channel (SRC) on the European Mars Express (MEX) spacecraft have renewed the interest in Phobos, the larger of the ...
A View-Geometric Approach To View And Occlusion Invariant Shape Recognition and Retrieval
image interpretation 2-D feature extraction computer vision feature recognition machine vision
2015/12/9
In this paper, we propose a recognition technique for geographic features which are represented as closed contours. Our algorithm relies on the planar projective geometry between the contours and expl...
Projective Reconstruction of Building Shape from Silhouette Images Acquired from Uncalibrated Cameras
Digital Photogrammetry Computer Vision Reconstruction Slicing Urban Planning Visualization
2015/12/8
Recovering the three-dimensional (3D) object shape lies as an unresolved and active research topic on the cross-section of computer vision, photogrammetry and bioinformatics. Although various techniqu...
A Benchmark Dataset for Performance Evaluation of Shape-from-X Algorithms
Surface Reconstruction Shape-From-X Benchmarking Dataset Evaluation
2015/12/8
In this study, we present our benchmark dataset for performance evaluation of shape-from-X algorithms and a test procedure for evaluating the reconstruction results. Our aim is to support an objective...