[visionlist] UPenn Natural Image Database

[David Brainard]

> Readers may also wish to take a look at our list of image databases.
>
> 	http://visionscience.com/vsImages.html
>
> Additions welcome.

UPenn Natural Image Database

http://tofu.psych.upenn.edu/~upennidb/

Described in:

Tkačik G., Garrigan P., Ratliff C., Milčinski G., Klein J. M.,  
Seyfarth, L. H., Sterling, P., Brainard, D. H., Balasubramanian, V.  
(2011). Natural images from the birthplace of the human eye. PLoS ONE  
6(6):e20409.http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0020409 
, doi:10.1371/journal.pone.0020409.