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HIGH SCALE 3D MODELLING AND ORTHOPHOTO OF CURVED MASONRIES FOR A MULTIPURPOSE REPRESENTATION, ANALYSIS AND ASSESSMENT
3D photogrammetry Cultural Heritage documentation vertical structures orthoimage surface development deterioration pathologies mapping
2017/6/20
It is important nowadays to underline some relevant topics concerning the effective contribution of 3D high detailed products derived from innovation and integration of Geomatics technologies, allowin...
VOXEL BASED REPRESENTATION OF FULL-WAVEFORM AIRBORNE LASER SCANNER DATA FOR FORESTRY APPLICATIONS
Full-waveform airborne laser scanning Voxel space Ray tracing Forest Filtering
2016/11/30
The advantages of using airborne full-waveform laser scanner data in forest applications, e.g. for the description of the vertical vegetation structure or accurate biomass estimation, have been emphas...
THE REPRESENTATION OF CULTURAL HERITAGE FROM TRADITIONAL DRAWING TO 3D SURVEY: THE CASE STUDY OF CASAMARY’S ABBEY
Integrate survey Documentation of Cultural Heritage Traditional and modern representation
2016/11/11
In 3D survey the aspects most discussed in the scientific community are those related to the acquisition of data from integrated survey (laser scanner, photogrammetric, topographic and traditional dir...
INTEGRATION OF GEO-SENSOR FEEDS AND EVENT CONSUMER SERVICES FOR REAL-TIME REPRESENTATION OF IOT NODES
IoT Sensor GeoEvent Real-Time GIS
2016/11/8
More and more devices are starting to be connected to the Internet every day. Internet-of-Things (IoT) is known as an architecture where online devices have the ability to communicate and interact wit...
USING MORPHLET-BASED IMAGE REPRESENTATION FOR OBJECT DETECTION
Mathematical morphology object detection Wavelets Wavelet analysis object segmentation
2016/7/28
In this paper, we propose an original method for objects detection based on a special tree-structured image representation – the trees of morphlets. The method provides robust detection of various typ...
Triangulated Digital Elevation Model: definition of a new representation
DEM structure DEM generation TIN regular network DEM quality criterion
2016/5/23
In this paper we discuss about the need of a new DEM representation for simulation in GIS. This leads us to analyse through quality criteria the current DEM structures. Then we propose a new DEM repre...
ROBUST BUILDING OUTLINE REPRESENTATION AND EXTRACTION
Building Extraction Building Description Hough Transform Graph Search Region Grow
2016/3/17
This paper presents an efficient and robust strategy for building description and extraction from high resolution aerial image. This approach is different from traditional techniques in shapeformation...
ORGANIZATION AND REPRESENTATION OF OBJECTS IN MULTI-SOURCE REMOTE SENSING IMAGE CLASSIFICATION
Object-oriented data model Dynamic object representation Multisensor Geometric feature Spectral feature
2015/12/31
Compared with the traditional remote sensing image processing system based on pixel, there are some unique characters in the object-based classification: various operations on objects; variety of obje...
NEW QUALITY REPRESENTATION FOR HYPERSPECTRAL IMAGES
Hyperspectral quality criteria evaluation compression
2015/12/31
Assessing the quality of a hyperspectral image is a difficult task. However, this assessment is required at different levels of the instrument design: evaluation of the signal to noise ratio necessary...
A 4D MORPHOLOGICAL SCALE SPACE REPRESENTATION FOR HYPERSPECTRAL IMAGERY
Imaging spectrometry Mathematical morphology Anisotropic diffusion Image simplification Levelings Denoising
2015/12/30
In this paper, a 4D scale space representation is introduced aiming at denoising, smoothing and simplifying effectively airborne and spaceborne hyperspectral imagery. Our approach is based on a novel ...
REPRESENTATION OF GRADIENTS OF A SCALAR FIELD ON THE SPHERE USING A 2D FOURIER EXPRESSION
2D Fourier series gradients representation coefficients D-functions spectral transfers
2016/1/18
Representation of data on the sphere is conventionally done using spherical harmonics. Making use of the Fourier series of the Legendre function in the SH representation results in a 2D Fourier expres...
Traditional Drawings Versus New Representation Techniques
Architectural survey Photogrammetry Cathedral of Seville Iglesia de El Salvador Seville
2015/11/12
The publication of important works of documentation with photogrammetry of two monuments of the city of Seville serve as the basis for a reflection focusing on the traditional systems of architectural...
A TOPIC MODELING BASED REPRESENTATION TO DETECT TWEET LOCATIONS. EXAMPLE OF THE EVENT ”JE SUIS CHARLIE”
Tweets location Topic modeling Author topic model Twitter
2015/9/21
Social Networks became a major actor in information propagation. Using the Twitter popular platform, mobile users post or relay messages from different locations. The tweet content, meaning and locati...
LOCALLY REFINED SPLINES REPRESENTATION FOR GEOSPATIAL BIG DATA
Big data smooth shape splines local refinement elevation model
2015/9/21
When viewed from distance, large parts of the topography of landmasses and the bathymetry of the sea and ocean floor can be regarded as a smooth background with local features. Consequently a digital ...
Documentation, Multi-scale and Multi-dimensional Representation of Cultural Heritage for the Policies of Redevelopment, Development and Regeneration
Smart Cultural Heritage Reading Criteria for Cultural Heritage Documentation Multi-scale Representations
2015/9/14
The paper describes reading criteria for the documentation for important buildings in Milan, Italy, as a case study of the research on
the integration of new technologies to obtain 3D multi-scale rep...