Where are the Lights? Measuring the Accuracy of Human Vision

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dc.contributor.authorLopez-Moreno, Jorgeen_US
dc.contributor.authorSangorrin, Franciscoen_US
dc.contributor.authorLatorre, Pedroen_US
dc.contributor.authorGutierrez, Diegoen_US
dc.contributor.editorCarlos Andujar and Javier Lluchen_US
dc.date.accessioned2014-01-27T08:16:18Z
dc.date.available2014-01-27T08:16:18Z
dc.date.issued2009en_US
dc.description.abstractIn real life, light sources are frequently not present in our view field. However human vision is able to infer the illumination just by observing its effect on visible objects (serving as lightprobes) or, inverting the idea, it is able to spot an object which is incoherently lit in a composition. These lightprobes have been used by computer algorithms in the same manner to detect lights, mimicking the human visual system (HVS). It has been proved that the presence of shadows or highlights in the lightprobe affects the accuracy of HVS, although its degree of influence remains unbeknownst until now. The present work performs a psychophysical analysis which aims to provide accurate data for light detection, perception-oriented rendering, image compositing and augmented reality.en_US
dc.description.seriesinformationCEIG 09 - Congreso Espanol de Informatica Graficaen_US
dc.identifier.isbn978-3-905673-72-2en_US
dc.identifier.urihttps://doi.org/10.2312/LocalChapterEvents/CEIG/CEIG09/145-151en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectCategories and Subject Descriptors (according to ACM CCS): Computing Methodologies [I.3.7]: Computer Graphics - 3D Graphics; Computing Methodologies [I.4.10]: Image Processing and Computer Vision - Image Representationen_US
dc.titleWhere are the Lights? Measuring the Accuracy of Human Visionen_US
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