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An object-oriented approach to color

Project description

Colour perception of natural objects

Colour perception is driven by photoreceptors in the eye that get activated by light of different wavelengths. The key objective of the EU-funded Color3.0 project is to revisit colour perception around real world objects, taking into account the dimensional aspects of colour such as intensity, hue and saturation. To understand the mechanism behind colour processing, researchers will investigate the neural circuits implicated in colour perception in real and virtual worlds. Apart from providing fundamental knowledge on the visual system, the project's results will lead to better colour reproduction and lighting systems.

Objective

There have been tremendous advances in color science. The absorption of photons by three types of photoreceptors is known at the molecular genetic level. Human cone fundamentals are tabled to several decimal places and color opponency is understood at the neural and computational level. Yet, all this knowledge is based on extremely restrictive assumptions with a colored light in the dark (Color 1.0) or flat, matte surfaces in a uniformly colored context (Color 2.0). But which mechanisms mediate perception of colors in the real world when looking at a field of flowers or searching for a certain product in the supermarket?

Arguably, the most important function of color is the processing of information about objects in scenes. It is the tight link to objects through which color helps us see things quicker and remember them better. This proposal, Color 3.0 is based on an active observer dealing with three-dimensional objects in natural environments. It deals with the dimensions relevant for the main purpose of color perception intensity, hue and saturation. The goal is to fundamentally rethink color science around real world objects and natural tasks.

We will gain a deep understanding of the circuitry underlying color perception in real and virtual worlds, a Deep Neural Network model of color processing that can be traced through the brain, a new colorimetry based on natural object colors rather than flat, matte patches of light, and last but not least a better measure for luminous intensity that can deal with objects of different color. This could lead to a revision of how we study the early visual system, better color reproduction and better lighting systems. Our use of real-time raytracing in VR could cause a paradigm shift in vision science, away from a passively viewing observer pushing buttons, towards an active observer situated in a virtual world and performing a natural task.

Fields of science (EuroSciVoc)

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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ERC-ADG - Advanced Grant

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Call for proposal

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(opens in new window) ERC-2019-ADG

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Host institution

JUSTUS-LIEBIG-UNIVERSITAET GIESSEN
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 2 497 787,50
Address
LUDWIGSTRASSE 23
35390 GIESSEN
Germany

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Region
Hessen Gießen Gießen, Landkreis
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 2 497 787,50

Beneficiaries (1)

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