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Re: how many array elements with a certain value in a row [message #70273 is a reply to message #70272]

Thu, 01 April 2010 06:40

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

> That sounds right. I recall HISTOGRAM scans left to right along rows.
> So a histogram of the labeled image coupled with the reverse indices
> and a row look-up function to convert from index to row should provide
> enough info.

Hmmm, yeah that would probably work. I'm not sure it's any less
convoluted than the TOTAL(/CUMULATIVE)-based solution I was thinking
of.

> Is this like a run-length-encoding you're looking for?

I suppose that someone implementing run-length-encoding would need
similar information, but all I care about are the locations where one
particular value occurs so I can look at the properties of the image
relative to those locations.

-Jeremy.

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[Message index]

		Re: how many array elements with a certain value in a row By: jeanh on Thu, 01 April 2010 08:22
		Re: how many array elements with a certain value in a row By: Jeremy Bailin on Thu, 01 April 2010 08:11
		Re: how many array elements with a certain value in a row By: Chris W on Thu, 01 April 2010 07:14
		Re: how many array elements with a certain value in a row By: Jeremy Bailin on Thu, 01 April 2010 06:56
		Re: how many array elements with a certain value in a row By: Chris W on Thu, 01 April 2010 06:48
		Re: how many array elements with a certain value in a row By: Jeremy Bailin on Thu, 01 April 2010 06:40
		Re: how many array elements with a certain value in a row By: ben.bighair on Thu, 01 April 2010 06:17
		Re: how many array elements with a certain value in a row By: Gray on Thu, 01 April 2010 06:03
		Re: how many array elements with a certain value in a row By: David Fanning on Thu, 01 April 2010 06:02

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