How to determine if an image is 360 photo?

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Discussions on the RICOH THETA API and SDK, image processing of spherical images, other hardware related topics, introduction of useful libraries, etc.

How to determine if an image is 360 photo?

Postby superboonie88 » 14 Apr 2017, 17:54

What's the most efficient way to determine if a JPEG is a 360 photo? Do you look for the presence of Photosphere XMP metadata? Is there a library for doing this?
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Re: How to determine if an image is 360 photo?

Postby codetricity » 15 Apr 2017, 00:51

I don't know about the best way, but you can probably grab the info you want from metadata.
You can look at the data with these tools:

exiftool

ExifToolGUI

Once you've found the data you're looking for, you should be able to find a library to handle this.

It appears that Facebook looks for Make of "RICOH" and Model of "RICOH THETA S" to get 360 treatment. You can also check for ProjectionType of equirectangular See this:

If you created your own 360 photo or don't happen to know the Make and Model of the camera used to capture your photo, can simply set ProjectionType to "equirectangular," or use an known 360 camera's values as a trigger.
For example, setting Make to "RICOH" and Model to "RICOH THETA S" will work to get 360 treatment in Facebook, as long as the image's aspect ratio is 2:1.


source: Facebook360

In this view of the XMP data, you can see the Projection Type as equirectangular.

Image
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Re: How to determine if an image is 360 photo?

Postby superboonie88 » 17 Apr 2017, 12:05

Great info, thank you!
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Re: How to determine if an image is 360 photo?

Postby codetricity » 17 Apr 2017, 15:15

Great that it was useful. As Facebook appears to look for Projection and Maker, then it might be a pretty safe bet for your application to look for the same things.

In the case of RICOH THETA images, the ratio also needs to be 2:1.

There's a bunch of libraries to grab the data. I have not tested any of the libs below. If you successfully test an app with THETA images, please consider contributing a community code snippet to show the technique for data parsing.

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Re: How to determine if an image is 360 photo?

Postby TobyTr » 28 Feb 2018, 02:44

Thanks for sharing mates. I've been confused at girls' selfies. This will help to detect if one is original or 360.
Cheer,
Tony
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Re: How to determine if an image is 360 photo?

Postby AngelicaMandy » 02 Apr 2018, 06:48

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Re: How to determine if an image is 360 photo?

Postby RaghuveerSingh » 26 Apr 2018, 12:02

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Re: How to determine if an image is 360 photo?

Postby RaghuveerSingh » 26 Apr 2018, 12:09

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Re: How to determine if an image is 360 photo?

Postby Viktorlovesnake » 29 May 2018, 06:51

I think you need to update the prgoram content
Regards,
v
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Re: How to determine if an image is 360 photo?

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Re: How to determine if an image is 360 photo?

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Re: How to determine if an image is 360 photo?

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Re: How to determine if an image is 360 photo?

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Re: How to determine if an image is 360 photo?

Postby IbrahimAli » 07 Nov 2018, 15:43

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Re: How to determine if an image is 360 photo?

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Re: How to determine if an image is 360 photo?

Postby cherylfaye » 12 Nov 2018, 06:55

I guess that will distinguish the difference.
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Re: How to determine if an image is 360 photo?

Postby JeetSeo » 21 Nov 2018, 11:08

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Re: How to determine if an image is 360 photo?

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