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Re: tif image 16 bit. autolevel [message #32202 is a reply to message #32195]

Sat, 30 April 2011 18:07

tojocky
Messages: 607
Registered: April 2008
Location: UK

Contributor

koldo wrote on Sat, 30 April 2011 10:33

Hello Ion

In summary you can open the image right and set it in an Image. This is very good Smile

.

About the algorithm I agree with Mirek. I have searched about Photoshop algorithm unsuccessfully, but it seems they change the contrast by spreading the color histogram by all the range. There is more than one way to do it.

Please send here a sample of an image before and after that effect and we can try to give you the function.

Thank you Koldo for help.

I will try to find a solution too!

I have attached a simple image in tif 16bits before and after autolevel.

Attachment: image16bits.tif
(Size: 114.75KB, Downloaded 319 times)
Attachment: image16bits_after_autolevel.tif
(Size: 115.46KB, Downloaded 325 times)

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[Message index]

		tif image 16 bit. autolevel By: tojocky on Fri, 29 April 2011 08:54
		Re: tif image 16 bit. autolevel By: koldo on Fri, 29 April 2011 10:12
		Re: tif image 16 bit. autolevel By: tojocky on Fri, 29 April 2011 11:28
		Re: tif image 16 bit. autolevel By: tojocky on Fri, 29 April 2011 11:52
		Re: tif image 16 bit. autolevel By: dolik.rce on Fri, 29 April 2011 11:02
		Re: tif image 16 bit. autolevel By: tojocky on Fri, 29 April 2011 11:35
		Re: tif image 16 bit. autolevel By: mirek on Fri, 29 April 2011 20:13
		Re: tif image 16 bit. autolevel By: koldo on Sat, 30 April 2011 09:33
		Re: tif image 16 bit. autolevel By: tojocky on Sat, 30 April 2011 18:07
		Re: tif image 16 bit. autolevel By: tojocky on Sat, 30 April 2011 18:21
		Re: tif image 16 bit. autolevel By: koldo on Sun, 01 May 2011 15:50
		Re: tif image 16 bit. autolevel By: tojocky on Mon, 02 May 2011 09:30
		Re: tif image 16 bit. autolevel By: koldo on Mon, 02 May 2011 10:17
		Re: tif image 16 bit. autolevel By: tojocky on Mon, 02 May 2011 10:30
		Re: tif image 16 bit. autolevel By: tojocky on Mon, 02 May 2011 12:03
		Re: tif image 16 bit. autolevel By: koldo on Mon, 02 May 2011 14:02
		Re: tif image 16 bit. autolevel By: tojocky on Mon, 02 May 2011 16:21
		Re: tif image 16 bit. autolevel By: koldo on Mon, 02 May 2011 17:37
		Re: tif image 16 bit. autolevel By: tojocky on Thu, 05 May 2011 20:10
		Re: tif image 16 bit. autolevel By: tojocky on Thu, 05 May 2011 20:15
		Re: tif image 16 bit. autolevel By: koldo on Thu, 05 May 2011 21:28
		Re: tif image 16 bit. autolevel By: tojocky on Fri, 06 May 2011 13:25

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