Author Topic: a very unordinary picture  (Read 2755 times)

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Offline Snake X

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a very unordinary picture
« on: August 31, 2011, 08:55:05 pm »
This is NOT an ordinary picture by ANY means! I believe this was created in my classroom last year, but im not certain.. the picture that I speak of contains these properties. I will also try to upload the picture.. if i can. I cant figure this out! The problem is, I am trying to find out why a JPG picture is 1.45 GB. A picture should never be that huge! I try to rename it to .psd file, but that crashes and totally freezes my computer. I renamed it on my dads computer but i dont want to risk a freeze before i post this.

Details:

- (Believed to be) created in: photoshop CS4
- 32 bit
- 5000 by 5000 something pixels (around 5000 at least)
- 300 DPI (this was a high quality photo)
- file: .jpg

(I almost experienced a near crash as i typed this post also thanks to that dang photo). I'll try to zip it and upload it if i can.

edit: I dont think i can zip it, explorer.exe crashes as soon as i scroll down to view the thumbnail of that thing
« Last Edit: August 31, 2011, 09:04:23 pm by Snake X »
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Offline Tribal

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Re: a very unordinary picture
« Reply #1 on: August 31, 2011, 09:03:56 pm »
It could be that the image got corrupted at some point.  It could also be a fragmenting problem.

Offline Snake X

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Re: a very unordinary picture
« Reply #2 on: August 31, 2011, 09:10:04 pm »
corrupted? I can ask my teacher to copy it again on my flash drive.. that might do the trick
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Offline AngelFish

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Re: a very unordinary picture
« Reply #3 on: August 31, 2011, 09:24:43 pm »
I'm going to recommend you use a hex editor and/or 7zip/P12 running on a flash driver to compress it (run from command line). If you use a hex editor, check some of these to make sure it's not corrupted. The extension doesn't necessarily give an accurate estimate of the filetype.
∂²Ψ    -(2m(V(x)-E)Ψ
---  = -------------
∂x²        ℏ²Ψ

Offline Snake X

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Re: a very unordinary picture
« Reply #4 on: September 03, 2011, 02:47:27 pm »
hmm well i received it as a jpeg and my art teacher's gonna give me the file again soon so ill see if its not corrupted this time
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Offline willrandship

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Re: a very unordinary picture
« Reply #5 on: September 03, 2011, 02:52:58 pm »
5000x5000 shouldn't come close to a GB. a 15MP image only comes to around 8-10 mb, even if it's poorly compressed.

So, something's def. wrong. Good thought checking if it was a .psd, though, since I could easily see a complicated project getting that large.

Offline Snake X

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Re: a very unordinary picture
« Reply #6 on: September 03, 2011, 02:53:59 pm »
yeah.. but does photoshop even save layers in a .jpg file anyways? That is the question that will solve this :S
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Offline willrandship

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Re: a very unordinary picture
« Reply #7 on: September 03, 2011, 02:55:32 pm »
JPEG files have no layers. :D

Offline Snake X

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Re: a very unordinary picture
« Reply #8 on: September 03, 2011, 03:33:14 pm »
:SSSSSSSS that packs a kink into my theory.. then wow i wonder why in the world it could be so large! :crazy:
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Offline Builderboy

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Re: a very unordinary picture
« Reply #9 on: September 03, 2011, 03:41:18 pm »
Viruses sometimes hijack themselves into ordinary looking files, have you tried scanning it?

Offline Art_of_camelot

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Re: a very unordinary picture
« Reply #10 on: September 06, 2011, 10:32:03 am »
No Idea what's going on, but no way in hell should a jpg EVER be that big. Are you sure some other file didn't get renamed as a jpg or something?

Offline Deep Toaster

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Re: a very unordinary picture
« Reply #11 on: September 06, 2011, 11:28:42 am »
^ That. Sounds like it might be a PSD accidentally renamed, but why would it crash? Does it crash when you try renaming it? That should never happen O.o




Offline harold

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Re: a very unordinary picture
« Reply #12 on: September 06, 2011, 12:59:17 pm »
What's the "last modified" date?
This is relevant, because I've also seen the odd "far too big file that will crash if you do anything with it", it had a last modified date somewhere in the year 20k (yes actually more than 20000) and was probably due to filesystem corruption (it happened after defrag crashed, which according to the docs "shouldn't" corrupt anyway but then it shouldn't be crashing either)
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Re: a very unordinary picture
« Reply #13 on: September 06, 2011, 01:19:58 pm »
Definitively corruption, renamed file or maybe even a virus.

And yeah sometimes I had files dated from December 21th 2012.
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Offline Silver Shadow

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Re: a very unordinary picture
« Reply #14 on: September 06, 2011, 04:40:28 pm »
Definitively corruption, renamed file or maybe even a virus.

And yeah sometimes I had files dated from December 21th 2012.
That must be an omen.
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