Archive for the 'Image processing' Category

Sahara HDR

Saturday, November 18th, 2006

Last week I was in the Sahara desert. Taking pictures in such a place is a good opportunity to use HDR (see this previous post) since landscapes look very flat and only composed of sky and ground (two homogeneous and well separated regions).
Here are the results (taken from my photograpy blog). Pictures look weird and […]

HDR

Tuesday, October 3rd, 2006

HDR (High Dynamic Range): everybody is talking about that, isn’t it ? So, what is it?
Imagine, you are in front of a beautiful landscape with a cloudy sky. You take your brand new digital camera. You shoot. When coming back home you look at your picture and… Two situations generally occur:

the sky is white and […]

Automatic Photo Pop-up

Wednesday, July 26th, 2006

It’s a long time since I wanted to suggest browsing this page at Carnegie Mellon University. Derek Hoiem presents an automatic photo pop-up method based on segmentation of vertical, horizontal and sky objects in an image. The result is a 3D model allowing one to navigate inside the image!
His SIGGRAPH’05 article can be downloaded here. […]



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