Hi ! I trust You, I think I dont need it. That QP-program works direct from the RAW-file, not from a tif or jpg. //Magnus 2011/5/23 <yan@xxxxxxxxxxxxxxxxx> > On Mon, 23 May 2011 12:16:31 +0200, Magnus Wallden wrote: > > > > Of course, there are a lot of profiling tools. You could use any tool > suitable for scanner. > > By "only one" I mean the only one, that could give normal result, not > always ideal, but usable. I use them in photography. > > I have tried dcp2icc, with colorchecker passport software. > > Yes, it possible with dcp2icc utility to make matrix profile and convert > it to table .icc profile. Why not simple "matrix to matrix" solution? I > don't know, ask the author. > > The result of this conversion is ugly, I could send you an example if you > want to chek yourself :-) > > > > Hi ! > > Not the only one, qpcard202 whit sw, this gives as result an dcp file, and > it is > possible to convert this to an icc whit dcp2icc. > > http://www.qpcard.se/BizPart.aspx?tabId=31&prod=8&catId=1&tci=151 > http://dcp2icc.sourceforge.net/ > > //Magnus > > > > > > 2011/5/23 <yan@xxxxxxxxxxxxxxxxx> > >> Hello! This would be answer to question 1 >> >> >> >> I understood, that coolproof is not the ideal tool to create profiles >> from raw sensor. In fact, it's the only one. >> >> When you write "by hand" you mean, that I need to write another tool by >> myself. Of course, it's kind of an aswer :-) But this is rather hard thing. >> And, on the other hand, I think that only slighter code changes are needed. >> >> Coolproof in matrix+gamma mode reads ".ti3" values and try to >> >> 1. Guess gamma values; >> >> 2. Find matrix for this gamma. >> >> The only key I need is "not to guess gamma upon ti3 values, and assume >> gamma is [some value]". The linearity of camera sensor is quite a good >> assumption. By analizing this or that real data you get "gamma 2.18" or >> "gamma 2.21", and this number would be not exactly 2.2 only beacause of >> camera noise. >> >> >> >> yan@xxxxxxxxxxxxxxxxx wrote: >> >> >> 1. IS IT POSSIBLE TO SET "GAMMA 2.2" IN INPUT FOR >> COLPROF UTILITY SOMEHOW, NOT BY MAKING A LOT OF "AUXILIARY COLOR >> CHARTS"? >> >> >> Hi, >> I'm not quite sure what you mean by this. colorprof creates a profile >> that represents the behaviour of the device as sampled by the .ti3 values. >> You can't "force" the profile model and expect it to be a good fit to the >> samples. >> There is no point in doing such a thing - the whole purpose of a profile is >> to >> represent the color behaviour of the device. >> >> colprof is not the ideal tool to create profiles from raw sensor >> data that's been converted to samples, since it is doing a "best fit". >> You are probably better off creating a matrix and curve model "by hand". >> Note that you (ideally) need both the spectral sensitivity data, and the >> response data for each sensor. The curves should then translate the sensor >> responses to linear light, and the matrix convert to XYZ space >> >> >> >> Graeme Gill. >> >> >> >> > > > > > -- > > Magnus Wallden > Klockarevägen 29 > 331 52 Värnamo > > +46 (0) 370 10478 > +46 (0)703 33 45 19 > magnus.wallden@xxxxxxxxx > > > -- Magnus Wallden Klockarevägen 29 331 52 Värnamo +46 (0) 370 10478 +46 (0)703 33 45 19 magnus.wallden@xxxxxxxxx