How can I tell if a photo has been edited or manipulated? Are there techniques for distinguishing real photos from fakes? Are there software tools that can help? Are there things I can do in ...
I hope to learn how to determine (approximately) when a picture was taken and/or developed. I have a few boxes of photos to be scanned but prior to doing so I would like to be able to have a better ...
A lady took a photo on a ghost tour where three transparent figures appeared in the photo. The camera was a Pentax Optio S30 3.2 megapixel digital camera. This lady did not recognise the figures and ...
I found this similar question but it is about finding hints in the digital file :how-to-identify-photoshop-edited-files. I want to know if there is a way to do this without looking at the digital ...
I found this somewhere online, unattributed. I'm wondering if it's synthetic or a real photo. If it's real, how has it been shot and/or post-processed to make it look so much like a computer game - ...
I have some photos from Canon camera. I opened them in "Preview" in MacBookPro, changed some of the contrast and colors, and saved as. I am sending these altered photos to people, but wondered, is it ...
Possible Duplicate: Calculate object size when I have physical pixel size I am working on the following formula to calculate distance of object from camera: distance to object (mm) = ...