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Re: Plugin to transform from RGB to HSB (HSV)

Posted by Wayne Rasband on Jun 26, 2007; 6:37pm
URL: http://imagej.273.s1.nabble.com/float-point-HSB-tp3698996p3698997.html

I put this plugin (HSV_Stack) on the ImageJ website at

     http://rsb.info.nih.gov/ij/plugins/color-converters.html

along with Maria's "Luv_Stack" and "Lab_Stack" plugins.

-wayne

On Jun 26, 2007, at 10:35 AM, Maria E. Barilla wrote:

>
> Dear Gabriel,
>
> I have got this pluging. Please, check the reference of the colour
> transformation and let me know any comments you have.
>
> I would like to ask Wayne to put this plugin on the web page of ImageJ.
>
> Kind regards,
>
> Maria
>
>
> --
> Miss Maria E. Barilla
> Digital Systems & Vision Processing Group
> Electronic, Electrical and Computer Engineering School
> The University of Birmingham, UK
> http://postgrad.eee.bham.ac.uk/perezm/
>
>
> On Tue, 26 Jun 2007, Gabriel Landini wrote:
>
>> Hi,
>> Has anybody implemented an RGB to HSB plugin or macro but which
>> results in
>> floating point images?
>> I am trying to avoid some discontinuities in the H S and B histograms
>> (mostly
>> in the H) that happen when converting to HSB (which I think are due
>> to some
>> rounding).
>>
>> Thanks
>>
>> Gabriel
>