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There are several ways to [attempt to] determine the veracity of an image, with respect to whether it represents a unique capture of a single scene: Image data level inconsistencies Certain processing operations result in telltale "signatures" embedded in the data which are often invisible to the eye but may be identified by statistical analysis. The best ...

While you can't know for sure, the site fotoforensics.com can provide some insight. Be sure to read the tutorial and check this link for your image: From their analysis, I'd guess the photo has not been doctored. I'm not associated with this site in anyway, although I do think it's pretty interesting stuff.

It's very unlikely that double exposure could happen with a digital camera in the way it could occasionally occur unintentionally (and, often, intentionally) with film cameras. That's because there's no "film advance" mechanism in a digital camera. Each frame is read as a separate file, and there's no plausible way for them to get mixed up. If the ...

That's going to sound amazingly simple but open the image in your image editing software of choice (e.g. The GIMP), pick the "Select" tool, and select a rectangle encompassing your "object". In The GIMP, the size of the select box is displayed in the status bar at the bottom. There you go. Object height in pixels :)

With a digital camera, it's much more likely to see something like this with a long exposure and multiple flashes firing during the exposure. If you google "long exposure multiple flash", you can see some examples of the effects possible with this technique, including some that appear somewhat ghostlike. One of the links returned does a decent job of ...

If you really want to get hard core, read the books on photo interpretation. I've got two by Dino Brugioni, who was part of the team that analyzed the Russian missles in Cuba during the cold war Cuban Missle crisis. They would look at the length of shaddows to calculate sun location, or if they had the sun location, use the shaddows to calculate height and ...

I found the answer after viewing another site from a link posted here concerning archiving negatives. In sum, unless the lab added the date (which some did) there is no way to determine the date from the code on back of the photo. The code is used by and for the lab (developers) and relates to paper, color correction, etc., technical information that may be ...

I found this book to be very interesting. http://www.amazon.com/Photo-Fakery-History-Deception-Manipulation/dp/1574881663 It was written by a CIA photo interpreter, one of the guys who found the Russian missiles in Cuba that the world called the Cuban Missile Crisis. It covers lots of "photo fakery" from the cold war.