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Groups > comp.mobile.android > #140910

Re: Be careful - they can lift a fingerprint off a digital photo

From Arno Welzel <usenet@arnowelzel.de>
Newsgroups misc.phone.mobile.iphone, comp.mobile.android, alt.comp.os.windows-10
Subject Re: Be careful - they can lift a fingerprint off a digital photo
Date 2024-05-07 09:08 +0200
Message-ID <l9u2bcFj4iiU5@mid.individual.net> (permalink)
References (1 earlier) <v18pn8$2209c$1@dont-email.me> <l9rh8kF7d7iU1@mid.individual.net> <ukgmgkxnbf.ln2@Telcontar.valinor> <v1beh1$2p5c4$1@dont-email.me> <Rzb_N.37889$nQv.20152@fx10.iad>

Cross-posted to 3 groups.

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Alan Browne, 2024-05-06 23:02:

> On 2024-05-06 16:28, Paul wrote:
>> On 5/6/2024 4:23 AM, Carlos E.R. wrote:
> 
>>> What is a "3D sensor" actually?  :-)
>>>
>>
>> Stereoscopic imaging is a start.
> 
> Which, alas is not what the iPhone does in FaceID.  To be clear, stereo 
> requires at least two points of view (say two cameras a little bit 
> apart, or images taken from a slightly different position.  This is a 
> passive process as well (in most cases).

I did not state, that Apple uses steroscopic imaging, just an additional
sensor beside the camera so the three dimensional shape of the face is
also taken into account for the unlock process and not just the visual
image of it.

> What FaceID does is project a pattern onto the face and then measure the 
> positions to generate a depth map from a single POV sensor (therefore 
> not stereoscopic).

Exactly. And this is more than just comparing an image, so you can not
fool the system by just using an image of the owner in a flat medium in
front of the camera.

-- 
Arno Welzel
https://arnowelzel.de

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Thread

Be careful - they can lift a fingerprint off a digital photo Mickey D <mickeydavis078XX@ptd.net> - 2024-05-05 14:47 -0400
  Re: Be careful - they can lift a fingerprint off a digital photo Jörg Lorenz <hugybear@gmx.net> - 2024-05-05 21:23 +0200
    Re: Be careful - they can lift a fingerprint off a digital photo Oliver <ollie@invalid.net> - 2024-05-05 13:42 -0600
    Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-05 17:06 -0400
      Re: Be careful - they can lift a fingerprint off a digital photo Hank Rogers <Hank@nospam.invalid> - 2024-05-05 19:04 -0500
        Re: Be careful - they can lift a fingerprint off a digital photo WolfFan <akwolffan@zoho.com> - 2024-05-05 21:49 -0400
          Re: Be careful - they can lift a fingerprint off a digital photo WolfFan <akwolffan@zoho.com> - 2024-05-05 22:30 -0400
            Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-06 02:56 +0000
  Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-05 22:20 +0200
    Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-05 17:04 -0400
      Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-06 09:04 +0200
        Re: Be careful - they can lift a fingerprint off a digital photo Andrew <andrew@spam.net> - 2024-05-06 08:16 +0000
          Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-06 10:45 -0700
        Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-06 10:54 -0400
          Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-06 18:55 +0200
            Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-06 13:33 -0400
              Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-06 21:38 +0200
            Re: Be careful - they can lift a fingerprint off a digital photo Arno Welzel <usenet@arnowelzel.de> - 2024-05-07 08:53 +0200
              Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-07 10:12 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Arno Welzel <usenet@arnowelzel.de> - 2024-05-07 17:28 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-07 19:07 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Arno Welzel <usenet@arnowelzel.de> - 2024-05-08 11:49 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-08 12:31 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-08 12:09 -0400
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-08 16:22 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Andrew <andrew@spam.net> - 2024-05-09 23:24 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-09 17:28 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo Bill Powell <bill@anarchists.org> - 2024-05-10 19:16 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo "Jan K." <janicekoziol@nie.ma.spamu.prosze.com> - 2024-05-10 19:24 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Larry Wolff <larrywolff@larrywolff.net> - 2024-05-10 13:51 -0400
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-10 18:30 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Peter Piper <peterpiper@nospam.invalid> - 2024-05-10 19:01 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-10 20:54 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo "Carlos E.R." <robin_listas@es.invalid> - 2024-05-10 22:40 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-10 11:34 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-10 13:47 -0700
    Re: Be careful - they can lift a fingerprint off a digital photo Arno Welzel <usenet@arnowelzel.de> - 2024-05-06 10:04 +0200
      Re: Be careful - they can lift a fingerprint off a digital photo "Carlos E.R." <robin_listas@es.invalid> - 2024-05-06 10:23 +0200
        Re: Be careful - they can lift a fingerprint off a digital photo Chris <ithinkiam@gmail.com> - 2024-05-06 11:41 +0100
          Re: Be careful - they can lift a fingerprint off a digital photo "Carlos E.R." <robin_listas@es.invalid> - 2024-05-08 12:36 +0200
        Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-06 10:59 -0400
          Re: Be careful - they can lift a fingerprint off a digital photo Andrew <andrew@spam.net> - 2024-05-06 18:24 +0000
            Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-06 13:49 -0700
              Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-06 17:04 -0400
            Re: Be careful - they can lift a fingerprint off a digital photo Arno Welzel <usenet@arnowelzel.de> - 2024-05-07 09:05 +0200
              Re: Be careful - they can lift a fingerprint off a digital photo Arno Welzel <usenet@arnowelzel.de> - 2024-05-07 17:33 +0200
        Re: Be careful - they can lift a fingerprint off a digital photo Paul <nospam@needed.invalid> - 2024-05-06 16:28 -0400
          Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-06 17:02 -0400
            Re: Be careful - they can lift a fingerprint off a digital photo Paul <nospam@needed.invalid> - 2024-05-06 21:44 -0400
              Re: Be careful - they can lift a fingerprint off a digital photo Andrew <andrew@spam.net> - 2024-05-10 01:39 +0000
            Re: Be careful - they can lift a fingerprint off a digital photo Arno Welzel <usenet@arnowelzel.de> - 2024-05-07 09:08 +0200
              Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-07 08:27 -0400
          Re: Be careful - they can lift a fingerprint off a digital photo "Carlos E.R." <robin_listas@es.invalid> - 2024-05-08 12:43 +0200
        Re: Be careful - they can lift a fingerprint off a digital photo Arno Welzel <usenet@arnowelzel.de> - 2024-05-07 08:53 +0200
      Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-06 11:51 +0200
        Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-06 11:02 -0400
          Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-06 16:24 +0000
            Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-06 19:13 +0200
              Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-06 13:37 -0400
                Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-06 22:08 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-06 16:56 -0400
                Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-07 09:17 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-07 08:29 -0400
                Re: Be careful - they can lift a fingerprint off a digital photo Andrew <andrew@spam.net> - 2024-05-10 01:38 +0000
              Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-06 23:49 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-07 09:40 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-07 15:18 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-07 18:42 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Frank Slootweg <this@ddress.is.invalid> - 2024-05-07 18:35 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-07 22:11 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Frank Slootweg <this@ddress.is.invalid> - 2024-05-08 13:53 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-08 17:36 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-08 16:17 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Frank Slootweg <this@ddress.is.invalid> - 2024-05-08 17:37 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-08 20:26 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo The Real Bev <bashley101@gmail.com> - 2024-05-08 09:05 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-08 09:39 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo Chris <ithinkiam@gmail.com> - 2024-05-08 20:16 +0100
                Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-08 15:31 -0400
                Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-08 12:57 -0400
                Re: Be careful - they can lift a fingerprint off a digital photo Frank Slootweg <this@ddress.is.invalid> - 2024-05-08 17:23 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo The Real Bev <bashley101@gmail.com> - 2024-05-08 12:10 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo Hank Rogers <Hank@nospam.invalid> - 2024-05-08 16:38 -0500
                Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-08 16:21 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo "Carlos E.R." <robin_listas@es.invalid> - 2024-05-09 14:01 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-09 08:57 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo The Real Bev <bashley101@gmail.com> - 2024-05-09 09:13 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-09 16:27 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-09 09:32 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo The Real Bev <bashley101@gmail.com> - 2024-05-09 11:07 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-09 11:24 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo The Real Bev <bashley101@gmail.com> - 2024-05-09 17:31 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-09 17:43 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo The Real Bev <bashley101@gmail.com> - 2024-05-09 18:06 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-10 09:58 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-08 02:08 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Andrew <andrew@spam.net> - 2024-05-10 21:34 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-10 14:55 -0700
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-10 22:21 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Andrew <andrew@spam.net> - 2024-05-11 04:08 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-11 04:38 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Andrew <andrew@spam.net> - 2024-05-11 13:58 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-11 15:51 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Andrew <andrew@spam.net> - 2024-05-11 16:59 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-11 19:39 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Andrew <andrew@spam.net> - 2024-05-11 20:00 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-11 21:21 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Andrew <andrew@spam.net> - 2024-05-11 22:10 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo danmin@danminart-dot-com.no-spam.invalid (Danart) - 2024-05-24 17:35 +0000
                Re: Be careful - they can lift a fingerprint off a digital photo Jörg Lorenz <hugybear@gmx.net> - 2024-05-11 17:43 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Jolly Roger <jollyroger@pobox.com> - 2024-05-11 15:53 +0000
          Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-06 19:03 +0200
            Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-06 13:35 -0400
              Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-06 22:10 +0200
                Re: Be careful - they can lift a fingerprint off a digital photo Alan Browne <bitbucket@blackhole.com> - 2024-05-06 16:59 -0400
        Re: Be careful - they can lift a fingerprint off a digital photo Chris <ithinkiam@gmail.com> - 2024-05-06 16:19 +0100
          Re: Be careful - they can lift a fingerprint off a digital photo "R.Wieser" <address@is.invalid> - 2024-05-06 19:10 +0200
            Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-06 10:50 -0700
        Re: Be careful - they can lift a fingerprint off a digital photo Alan <nuh-uh@nope.com> - 2024-05-06 10:49 -0700
        Re: Be careful - they can lift a fingerprint off a digital photo Arno Welzel <usenet@arnowelzel.de> - 2024-05-07 09:13 +0200
  Re: Be careful - they can lift a fingerprint off a digital photo Mickey D <mickeydavis078XX@ptd.net> - 2024-05-06 02:09 -0400
    Re: Be careful - they can lift a fingerprint off a digital photo Chris <ithinkiam@gmail.com> - 2024-05-06 12:10 +0100
      Re: Be careful - they can lift a fingerprint off a digital photo Mickey D <mickeydavis078XX@ptd.net> - 2024-05-06 07:56 -0400
        Re: Be careful - they can lift a fingerprint off a digital photo Chris <ithinkiam@gmail.com> - 2024-05-06 15:06 +0100
          Re: Be careful - they can lift a fingerprint off a digital photo Mickey D <mickeydavis078XX@ptd.net> - 2024-05-06 14:56 -0400
            Re: Be careful - they can lift a fingerprint off a digital photo Chris <ithinkiam@gmail.com> - 2024-05-07 07:02 +0000
  Re: Be careful - they can lift a fingerprint off a digital photo Chris <ithinkiam@gmail.com> - 2024-05-06 11:34 +0100

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