6 Replies - 1902 Views - Last Post: 25 September 2012 - 01:30 PM

#1 JavaLilly  Icon User is offline

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image handling

Posted 25 September 2012 - 10:15 AM

Does anyone have a clear definition of opening and closing (in regards to closing and opening something on an image) and example of each?
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#2 modi123_1  Icon User is online

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Re: image handling

Posted 25 September 2012 - 10:21 AM

What? Opening/closing a file?
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#3 JavaLilly  Icon User is offline

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Re: image handling

Posted 25 September 2012 - 10:56 AM

No, I looked it up on wikipedia and I suppose its related to erosion and dilation. Here's the link:

http://en.wikipedia....ical_morphology
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#4 modi123_1  Icon User is online

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Re: image handling

Posted 25 September 2012 - 11:18 AM

Pretty ephemeral context there, but what evs.

I think the example on that wiki page is pretty darn good.

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Example application: Let's assume someone has written a note on a non-soaking paper and that the writing looks as if it is growing tiny hairy roots all over. Opening essentially removes the outer tiny "hairline" leaks and restores the text. The side effect is that it rounds off things. The sharp edges start to disappear.


Either way I am moving this out of the graphic design area and into the comp sci area.
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#5 Skydiver  Icon User is offline

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Re: image handling

Posted 25 September 2012 - 12:31 PM

I think every industry, group, or subculture has it's on bits of jargon where an normal words have special meaning.

Interesting to find those meanings for opening and closing with regards to image processing.

To skydivers, opening refers to the parachute deployment sequence, while closing can refer to two things depending on context: either doing the last few steps of packing a parachute, or getting the last person into the formation.
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#6 JavaLilly  Icon User is offline

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Re: image handling

Posted 25 September 2012 - 01:28 PM

View Postmodi123_1, on 25 September 2012 - 11:18 AM, said:

Pretty ephemeral context there, but what evs.

I think the example on that wiki page is pretty darn good.

Quote

Example application: Let's assume someone has written a note on a non-soaking paper and that the writing looks as if it is growing tiny hairy roots all over. Opening essentially removes the outer tiny "hairline" leaks and restores the text. The side effect is that it rounds off things. The sharp edges start to disappear.


Either way I am moving this out of the graphic design area and into the comp sci area.

That's fine, since I was using the concept to alter images, I thought it would fit better in grapic design.
And thanks for the reply
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#7 modi123_1  Icon User is online

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Re: image handling

Posted 25 September 2012 - 01:30 PM

Ah.. well that would be handy dandy to know a head of time! :D
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