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Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting

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From Lawrence D’Oliveiro <ldo@nz.invalid>
Newsgroups rec.photo.digital, comp.lang.python
Subject Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting
Date Thu, 30 Jul 2026 08:06:00 -0000 (UTC)
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Cross-posted to 2 groups.

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On Wed, 29 Jul 2026 22:22:37 -0700, Maria Sophia wrote:

> Having never used Python Pillow, and while I was already writing
> code, I decided to try to use it to foil camera sensor PRNU
> fingerprinting.

This was the first I had heard of such a thing, so I looked it up
<https://en.wikipedia.org/wiki/Photo_response_non-uniformity>.

That’s just an artifact of the way image sensors are made, so it’s not
deliberately designed to be a secret identification feature or
anything; the article even says that it is possible to characterize
the noise pattern for a given sensor, and subtract it out to produce
higher-quality images, e.g. for metrology purposes.

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Thread

PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-07-29 22:22 -0700
  Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-07-30 08:06 +0000
    Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-07-30 07:42 -0800
      Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-07-30 21:03 +0000
        Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-07-31 14:10 -0800
          Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-07-31 14:51 -0800
            Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-07-31 15:02 -0800
      Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Piergiorgio Sartor <piergiorgio.sartor.this.should.not.be.used@nexgo.REMOVETHIS.de> - 2026-07-31 09:35 +0200
        Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-07-31 13:59 -0800
          Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-07-31 22:49 +0000
            Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-07-31 15:13 -0800
              Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Piergiorgio Sartor <piergiorgio.sartor.this.should.not.be.used@nexgo.REMOVETHIS.de> - 2026-08-01 11:48 +0200
                Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-08-01 09:42 -0800
                Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-08-03 09:28 -0800
                Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Chris <ithinkiam@gmail.com> - 2026-08-02 17:48 +0000
                Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-08-02 11:18 -0800
                Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-02 22:54 +0000
                Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-08-03 09:20 -0800
                Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Chris <ithinkiam@gmail.com> - 2026-08-03 17:50 +0000
                Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting Maria Sophia <mariasophia@comprehension.com> - 2026-08-20 09:03 -0800
                Re: PSA Using Python Pillow to foil camera image PRNU fingerprinting danny burstein <dannyb@panix.com> - 2026-08-20 17:28 +0000
                How to increase your "Convincingness" [Anthropic AI Text Hacked] (Was: PSA Using Python Pillow to foil camera image PRNU fingerprinting) Mild Shock <janburse@fastmail.fm> - 2026-08-20 19:30 +0200

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