Color spaces

[S. Chris Colbert]

i would prefer the following types:

uint8

int32

float

double


purely for the fact that a sobel filter must return signed values, and
it doesnt make sense to upcast a uint8 to a float.


On 07/03/2010 10:47 AM, St�fan van der Walt wrote:
> On 3 July 2010 07:13, Ralf Gommers <ralf.gommers at googlemail.com> wrote:
>   
>> More color spaces is good, but it's important to reference everything very
>> well and also decide on the scaling for float/uint etc.
>>     
> This is a good point, one that Chris and I also discussed yesterday.
> Here's a proposed guideline:
>
>
> 1. Functions should allow the following types of input images, unless
> explicitly documented otherwise:
>
> float, double
> uint8
> uint16
>
> 2. Functions should output the same type of output image, unless
> explicitly documented otherwise.
>
> 3. Floating point images must be [0, 1].  Uint8 images are [0, 255]
> and Uint16 images [0, 65535].
>
> Does that sound reasonable?  We can write a test decorator to ensure
> that these requirements are upheld.
>
> Regards
> St�fan
>