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Need help in segmentation [message #93658] Fri, 23 September 2016 03:36 Go to next message
Suresh Negi is currently offline  Suresh Negi
Messages: 28
Registered: August 2016
Junior Member
Hi everyone,
Please answer the following

1--How can I segment image using region growing technique in IDL????

2--How we can write code for automatic threshold detection for different land classes????

Thank You.

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Re: Need help in segmentation [message #93660 is a reply to message #93658] Sun, 25 September 2016 08:44 Go to previous messageGo to next message
rawahranger is currently offline  rawahranger
Messages: 14
Registered: March 2016
Junior Member
Sanu writes:

> Please answer the following
>
> 1--How can I segment image using region growing technique in IDL????
>
> 2--How we can write code for automatic threshold detection for different land classes????

Excellent topics for a graduate thesis! Let me know when you find the answers and I'll help you publish your book on Amazon.

Cheers,

David

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Re: Need help in segmentation [message #93668 is a reply to message #93658] Mon, 26 September 2016 19:03 Go to previous message
Dick Jackson is currently offline  Dick Jackson
Messages: 347
Registered: August 1998
Senior Member
On Friday, 23 September 2016 03:37:17 UTC-7, Sanu wrote:
> Hi everyone,
> Please answer the following
>
> 1--How can I segment image using region growing technique in IDL????

IDL's REGION_GROW routine might be just what you're looking for:
http://www.harrisgeospatial.com/docs/REGION_GROW.html

> 2--How we can write code for automatic threshold detection for different land classes????

There's a fascinating routine that came with IDL 8.2.2, you may find IMAGE_THRESHOLD helpful:
http://www.harrisgeospatial.com/docs/IMAGE_THRESHOLD.html

> Thank You.

Cheers,
-Dick

Dick Jackson Software Consulting Inc.
Victoria, BC, Canada --- http://www.d-jackson.com

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