Lightnings taking a ride

by ceinmart

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7
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5answers
1k views

How do I identify the object of a picture I've taken?

Sometimes I have a picture which I don't know, or which I have taken a long time ago. So how do you identify unknown stuff on your image? For example I saw this picture, and what is the best approach ...
2
votes
2answers
6k views

Is there somewhere I can download sample images to use for practicing HDR techniques?

I'm a student and I have a final project concerning 'tone mapping technique'. I have a simple question - is there a site where I can download the data base for an image HDR? For example as we can ...