G. Zotti

Publications38
h-index8
Citations250
Highly Influential Citations24
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H-ATLAS: estimating redshifts of Herschel sources from sub-mm fluxes
Upon its completion, the Herschel Astrophysics Terahertz Large Area Survey (H-ATLAS) will be the largest sub-millimetre survey to date, detecting close to half-a-million sources. It will only be… Expand
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Decline of the Space Density of Quasars between z = 2 and z = 4
We define a new complete sample of 13 optically luminous radio quasars [MAB(1450 A) 25.7] with redshift 3.8 < z < 4.5, obtained by cross-correlating the Faint Images of the Radio Sky at Twenty cm… Expand
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An Analytical Model for Skylight Polarization
TLDR
This paper presents a plausible analytical model for the polarisation of the light emitted from a clear sky. Expand
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A Critical Review of the Preetham Skylight Model
The Preetham skylight model is currently one of the most widely used analytic models of skylight luminance in computer graphics. Despite its widespread use, very little work has been carried out to… Expand
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Accurate display gamma functions based on human observation
This paper describes an accurate method to obtain the Tone Reproduction Curve (TRC) of display devices without using a measurement device. It is an improvement of an existing technique based on human… Expand
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An interactive perception-based model for characterization of display devices
TLDR
In this paper we introduce a novel and accurate characterization model to acquire the TRCs of the color channels of display devices without using a spectrophotometer, based only on human perception and interactive decisions. Expand
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A sky dome visualisation for identification of astronomical orientations
TLDR
This paper presents a novel diagram combining archaeological maps with a folded-apart, flattened view of the whole sky, showing the local horizon and the daily paths of Sun, Moon and brighter stars. Expand
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A Multi-Purpose Virtual Reality Model of the Solar System ( VRM O SS )
This paper describes the development of the 3D graphics part of an astronomical education installation for school children, called the Virtual Control Room. The content is a very detailed model of… Expand
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On cross-validation and resampling of BRDF data measurements
TLDR
We discuss the validation of BTF data measurements by means used for BRDF measurements. Expand
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Virtual Reconstructions in a Desktop Planetarium for Demonstrations in Cultural Astronomy
TLDR
Many cultures throughout history have erected sacred and profane buildings orientated according to astronomical principles. Expand
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