ImageStatistics_v160

Dar Scott Consulting dsc at swcp.com
Thu Jun 20 14:06:13 EDT 2019


I get it. I thought the "paper tape" table was a distribution of individual colors and didn't recognize the values as bin indicators. I changed the number of bins to 4 and can see the x^3. I get a little dense at times.

Ah, and if I hold the pointer over the "paper tape", I see a nice summary. 


> On Jun 20, 2019, at 9:40 AM, hh via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
>> I wrote:
>> You can also put the (R,G,B)-triplets into the x^3 bins (ranges combinations) that 
>> are given by dividing for each channel the 0-255 range into x=2,4,8,16,32,64,128 bins.
> 
>> Dar S. wrote:
>> I think I'm doing something wrong. When I check the Table checkbox, I get x*3 values
>> not x^3 values. 
> 
> The "Table" is for the marginal distributions only (each of the three channels *separately*
> evaluated).
> 
> So dividing the 0-255 range into x=2,4,8,16,32,64,128 bins gives x ranges for each channel.
> 
> Now looking at the (R,G,B)-triplets you get x*x*x = x^3 possible combinations of the bins.
> The frequencies for these combinations are listed, leaving out the combinations that have
> a frequency of zero. There is no "Table"-display for this 3D distribution in the stack.
> 
> 
> 
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