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SPHERICAL IMAGES FOR CULTURAL HERITAGE: SURVEY AND DOCUMENTATION WITH THE NIKON KM360
Spherical Camera Spherical Images Structure from Motion 3D Modelling Cultural Heritage
2018/6/4
The work presented here focuses on the analysis of the potential of spherical images acquired with specific cameras for documentation and three-dimensional reconstruction of Cultural Heritage. Nowaday...
IMPROVING SPHERICAL PHOTOGRAMMETRY USING 360° OMNI-CAMERAS: USE CASES AND NEW APPLICATIONS
Spherical Photogrammetry Equirectangular Panoramas 360° omni-camera Architectural Heritage Dissemination
2018/6/4
During the last few years, there has been a growing exploitation of consumer-grade cameras allowing one to capture 360° images. Each device has different features and the choice should be entrusted on...
POSE ESTIMATION AND MAPPING USING CATADIOPTRIC CAMERAS WITH SPHERICAL MIRRORS
Close Range Photogrammetry Catadioptric cameras Pose estimation Spherical mirrors
2016/7/27
Catadioptric cameras have the advantage of broadening the field of view and revealing otherwise occluded object parts. However, they differ geometrically from standard central perspective cameras beca...
SYSTEMATIC CALIBRATION FOR A BACKPACKED SPHERICAL PHOTOGRAMMETRY IMAGING SYSTEM
Mobile Mapping System Calibration Spherical Photogrammetry
2016/7/5
A spherical camera can observe the environment for almost 720 degrees’ field of view in one shoot, which is useful for augmented reality, environment documentation, or mobile mapping applications. Thi...
Describing and Computing Model of the Topological Relation in Spherical Surface Quaternary Triangular Mesh
Spherical surface QTM Euler_number Topological relation
2015/12/3
Spherical surface QTM (Quaternary Triangular Mesh) is one of an efficient tool to deal with the global data because of its advantages of multi-resolution and hierarchy. Based on characters of spherica...
The Multi-Image Spherical Panoramas as a Tool for Architectural Survey
Multi-image spherical panoramas simulation adjustment simple systems
2015/11/11
The surveys of the interior of two churches in Italy, the Magdalene’s church in Pesaro, and San Dominic church in Arezzo, are shown and described as examples of a new photogrammetric technique. The fi...
The Basic Topology Issues on Spherical Surface Quaternary Triangular Mesh
SGDM Manifold SQTM Spherical Surface Digital Topology Spherical Surface Topology Paradox
2015/10/9
SGDM (Sphere Grid Data Model) is an efficient method to deal with the global data because of the advantages of multi-resolution
and hierarchy. However, SGDM has no distinct descriptions and lack of ...
Investigation on the suitability of the spherical panoramas by Realviz Stitcher for metric purposes
Spherical panoramas Interpolation panoramic images 3D panoramic recording panoramic images calibration
2015/8/25
Commercial software of digital photography, realizing cylindrical or spherical panoramas, are becoming popular. They are delivered for tourist and documentary use. For instance they are suitable for q...
THE EXPRESSION OF SPHERICAL ENTITIES AND GENERATING OF VORONOI DIAGRAM BASED ON TRUNCATED ICOSAHEDRON DGG
Truncated Icosahedron Management of Three Leaves Nodes Hexagonal Grid Tiles Code Spherical Dynamic Data Model Voronoi Diagram
2015/8/10
Based on the analysis of current spherical spatial data structure, the paper discusses the clew of the spherical spatial basal subdivision mode which uses inverse Snyder polyhedron equal area projecti...
COMBINING FULL SPHERICAL DEPTH AND HDR IMAGES TO IMPLEMENT A VIRTUAL CAMERA
Image Based Lighting Point Clouds Registration Rendering Light Probe HDR
2015/7/31
Based on a real-world scene description consisting of N spherical depth images from a laser range scanner and M spherical (high dynamic range) texture images we present a method that allows to place a...
TOWARDS AN EASIER ORIENTATION FOR SPHERICAL PHOTOGRAMMETRY
Panoramic Spherical Photogrammetry Block Adjustment Trinocular Vision
2015/3/3
For architectural metric documentation, Spherical Photogrammetry (SP) has demonstrated its validity and efficiency in many projects already. The speed of surveying is high, the accuracy and completene...
THE RADIATION QUALITY FACTOR OF VERTICALLY POLARIZED SPHERICAL ANTENNAS ABOVE A CONDUCTING GROUND PLANE
Antennas
2014/12/8
The radiation quality factor of small vertically polarized antennas above a ground plane is investigated. Although the quality factor of small antennas in free space has been investigated extensively ...
Eccentricity in Images of Circular and Spherical Targets and its Impact to 3D Object Reconstruction
Spherical target circular target sphere eccentricity spatial intersection simulation
2014/7/30
This paper discusses a feature of projective geometry which causes eccentricity in the image measurement of circular and spherical targets. While it is commonly known that flat circular targets can ha...
Broadband light management using low-Q whispering gallery modes in spherical nanoshells
Broadband light management whispering gallery modes spherical nanoshells
2015/8/7
Light trapping across a wide band of frequencies is important for applications such as solar cells and photodetectors. Here, we demonstrate a new approach to light management by forming whispering-gal...
AN ADAPTIVE INTEGRATION MODEL OF VECTOR POLYLINE TO DEM DATA BASED ON SPHERICAL DEGENERATE QUADTREE GRIDS
Adaptive integration DQG DEM Vector polyline Shift algorithm
2014/4/21
Traditional geometry-based approach can maintain the characteristics of vector data. However, complex interpolation calculations
limit its applications in high resolution and multi-source spatial da...