COLOR NAVIGATION SYSTEM

A system and method for color navigation through a CIELAB color space with coordinates hue (H), lightness (L), chroma (C), with intervals H, L, C such that the perceptual color difference AE1Nv, defined according to the formula: AZW =^{AL)2+{fc(H)−ACf+[AH)2, is constant for steps in direction C and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BAAIJENS, JOHANNES, P., W
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION BLASTING CALCULATING COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEATING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEALS WEAPONS
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Beschreibung
Zusammenfassung:	A system and method for color navigation through a CIELAB color space with coordinates hue (H), lightness (L), chroma (C), with intervals H, L, C such that the perceptual color difference AE1Nv, defined according to the formula: AZW =^{AL)2+{fc(H)−ACf+[AH)2, is constant for steps in direction C and L and for steps in direction H along boundary of color space. fc(H) is a proportionality factor between 0 and 1 depending on hue. For hue values between red (H1) and green (H2), fc(H) =1. For hue values between green (H2) and blue (H3), the proportionality factor fc(H) is set to a constant value foB such that N ,GB(fGB) differs less than 50% from NH,RG-For hue values between blue (H3) and red (H1), the proportionality factor fc(H) is set to a constant value f R such that N^BR^BR) differs less than 50% from NH,RG-.