Nederlandse Organisatie Voor Toegepast-natuurwetenschappelijk Onderzoek Tno

Alexander Toet

Frank Leonard Kooi

Maarten Andreas Hogervorst

Jacob Jan Kriekaard

Method for converting at least one image of a first spectrum into an image of a second spectrum, comprising: &#x2014;recording at least one first-spectrum reference image (NRI) of at least one reference scene (RS) with a first-spectrum recording apparatus (), the first-spectrum reference image (NRI) comprising first image portions with corresponding first-spectrum sensor reference data (b, b); &#x2014;providing corresponding second-spectrum reference information (RGB); &#x2014;providing at least one set of reference data (T, T) from at least part of the first-spectrum sensor reference data (b, b) relating to the reference scene (RS), and at least a corresponding part of the second-spectrum information (RGB) relating to that reference scene (RS); &#x2014;providing at least one target first-spectrum image (NTI) or target second-spectrum image; and &#x2014;converting each target first-spectrum image (NTI) or target second-spectrum image into a respective second-spectrum image (CI) or first-spectrum image, respectively, using the set of reference data (T, T).

Method and system for converting at least one first-spectrum image into a second-spectrum image

The invention relates to a method for indicating direction using a screen, wherein a pattern of relatively dark and relatively bright sections is moved over a screen, in a direction in which an observer is to be directed. The invention further relates to an apparatus for indicating information on a screen, comprising at least one screen and image information-generating means, wherein the image information-generating means comprise at least one algorithm for displaying, on said screen, at least one first image in the form of a moving pattern of first and second sections, wherein the first sections are relatively bright compared to the second sections, wherein the screen has longitudinal edges and said image information-generating means are preferably arranged for at least temporarily moving said pattern in the direction of at least one of the longitudinal edges.

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Utrecht, Netherlands

Alexander Toet