what is image level

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nadia
nadia am 30 Okt. 2014
Kommentiert: Image Analyst am 31 Okt. 2014
hi i have some questions about image 's levels i should insert a watermark in 0 ,3 and 7 level of an image and calculate robustness against jpg, Gaussian noise attack but i do not know how to access these levels? is bitset function suitable for this? thanks

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Image Analyst
Image Analyst am 30 Okt. 2014
See attached demo where you can specify what bitplane to insert the hidden/watermark image.
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nadia
nadia am 31 Okt. 2014
if i want to insert watermark in DCT of image how can i do it?
Image Analyst
Image Analyst am 31 Okt. 2014
I don't know. I'd have to research it because it's not my field. But I'll let you do that since it's your problem. Good luck.

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