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DPChallenge Forums >> Tips, Tricks, and Q&A >> a question about EXIF validity
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Showing posts 26 - 34 of 34, (reverse)
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08/03/2004 10:41:49 AM · #26
The site council has this issue well under control already, thanks.
08/03/2004 11:49:24 AM · #27
cbonsall sets camera date to be 03 August 2120
submits shot

woo hoo, my camera can see the future, exif data is valid, so it MUST be true!!!!!!

:-)

Keep up the good work SC
08/03/2004 12:03:59 PM · #28
The issue isn't so much can you convincingly fake EXIF and file attribute tags (which isn't that hard) but can you do it with a good enough image to matter, that you have the original image of and have never shown anywhere before. It is unlikely that many have images good enough to win a particular challenge, have the skills to fake the EXIF, have nothing in the image that 'places' it in time and have never posted the image on the 'net prior to bothering to cheat to enter it to DPC.

It isn't impossible to fake EXIF, but that is just one small part of verifying that the image is actually taken in the correct time period.
08/03/2004 12:36:12 PM · #29
Originally posted by cbonsall:

cbonsall sets camera date to be 03 August 2120
submits shot

woo hoo, my camera can see the future, exif data is valid, so it MUST be true!!!!!!

:-)

Keep up the good work SC


What's your photo of? I sure as hell hope it meets the challenge on that date. Oh wait. you'll be dead. I guess your point is irrelevant then.
08/03/2004 12:45:43 PM · #30
Originally posted by Pedro:

I sure as hell hope it meets the challenge on that date. Oh wait. you'll be dead. I guess your point is irrelevant then.

2120 is not completely out of reach for someone alive today ...

===== from today's humor mail =========
Received from: Michele { Readers' Rating: 39.06% } { Total votes: 64 }

At his 103rd birthday party, my grandfather was asked if he planned to be around for his 104th.

"I certainly do," he replied. "Statistics show that very few people die between the ages of 103 and 104."



Message edited by author 2004-08-03 12:47:45.
08/03/2004 01:00:31 PM · #31
Originally posted by GeneralE:

Originally posted by Pedro:

I sure as hell hope it meets the challenge on that date. Oh wait. you'll be dead. I guess your point is irrelevant then.

2120 is not completely out of reach for someone alive today ...


Well, given the theoretical maximum age of 120, and only one 'authenticated' case of a person ever to have been documanted to live past 120 (122 was the claim, and really...how are you going to prove that?), I feel pretty safe assuming 2 things:

1) CB is over the age of 4, thus it's highly unlikely he'll see the year 2120,

2) his photo won't meet the challenge.

:)
08/03/2004 01:05:47 PM · #32
I don't believe that 120 for humans will be the theoretical (or practical) maximum for long. Whether JPEG will last that long is an open question ...

Isaac was 5 when he got over a 5 score (and beat me) in the Negative Space challenge, so it's not impossible for a current DPCer to reach 2120 and legitimately meet the challenge : )

Message edited by author 2004-08-03 13:06:45.
08/03/2004 01:15:54 PM · #33
Originally posted by GeneralE:

I don't believe that 120 for humans will be the theoretical (or practical) maximum for long. Whether JPEG will last that long is an open question ...


/me shakes his head at how far we are digressing :)

The 'Better Life Through Medicine' crew agrees with you. However I'm not convinced that our own 'evolution' won't also be our downfall...environmental toxicity, overpopulation, mutating diseases, progressively unhealthy lifestyle, etc could easily outpace Medical Science's ability to counteract their effects.

Chaos Theory :)

Originally posted by GeneralE:

Isaac was 5 when he got over a 5 score (and beat me) in the Negative Space challenge, so it's not impossible for a current DPCer to reach 2120 and legitimately meet the challenge : )


Chaos theory again?

:)
08/03/2004 01:18:49 PM · #34
Yes, from detecting forged data to the ultimate triumph of Malthusianism, evolution at its finest : )
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