[Ssc-dev] Camera Noise Signature?

[Christian Pfaab]

Hi,

TU-Dresden is doing some research in that area, maybe they have some
usable results for you and can give advice. (Chair for Privacy and Data
Security)
http://www.inf.tu-dresden.de/index.php?node_id=456&ln=en
http://www.inf.tu-dresden.de/content/institutes/sya/dud/publications/multimediasec.en.html

Cheers,
Christian

On 03/24/2011 10:16 AM, Andrew Senior wrote:
> I guess eventually we should think about this problem too, though it is
> secondary -needing sophistication, a lot of work and access to many images.
> This "instructable" seems like a series of things that should make it
> harder, but nothing that is provably de-identifying.
> I think there may be more elementary ways of recognizing the make and model
> of a camera e.g. the specific compression tables that are used. I've heard
> that printers watermark documents to uniquely identify the printer- it could
> be that cameras do that too.
> 
> On Wed, Mar 23, 2011 at 4:49 PM, Bryan Nunez <bryan at witness.org> wrote:
> 
>> Someone posted a comment on the my SSC blog post the other day warning
>> about noise signatures.
>>
>> http://www.instructables.com/id/Avoiding-Camera-Noise-Signatures/
>>
>> Not sure how applicable it is for us but interesting none the less.
>>
>> -b
>>
>>
>> --
>> Bryan Nunez
>> Technology Manager
>> WITNESS
>>
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