Searched for: collection%253Air
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document
Wolffenbuttel, R.F. (author), De Graaf, G. (author), Leijtens, J.A.P. (author)
patent 2009
document
Iordanov, V.P. (author), Sarro, P.M. (author), Wolffenbuttel, R.F. (author), Vellekoop, M.J. (author)
The invention relates to a method of transforming a colour image, wherein for each separate pixel a measured level of lightness, a measured chroma and a measured colour is determined, followed by a predetermined adjustment in the three-dimensional level of lightness, chroma and colour, wherein a. for each separate pixel a direction of adjustment...
patent 2002
document
Wolffenbuttel, R. (author)
Abstract of US 4749851 (A) Method and system for determining the wave-length of light impinging onto the surface of a light sensitive semiconductor structure by determining the photocurrent therethrough. The semiconductor structure consists of a substrate of one conductivity type, an adjoining epitaxial layer of a second conductivity type, and...
patent 1988