Zurich Natural Image Database

Zip-File containing a set of 128 natural images that have been used in various eye-tracking studies. Thumbnails.jpg provides an overview. Images were captured with a 3.3 Mega pixel colour mosaic CCD camera (Nikon Coolpix 995, Tokyo, Japan) in RGB and have a resolution (WxH) of 2048 x 1536 pixels.

You are free to use these images for scientific purposes, provided at least one of the following papers is appropriately cited:

Einhäuser, W., & König, P. (2003). Does luminance‐contrast contribute to a saliency map for overt visual attention?. European Journal of Neuroscience, 17(5), 1089-1097. https://doi.org/10.1046/j.1460-9568.2003.02508.x [used the first 8 images in grayscale]

Einhäuser, W., Kruse, W., Hoffmann, K. P., & König, P. (2006). Differences of monkey and human overt attention under natural conditions. Vision Research, 46(8-9), 1194-1209. https://doi.org/10.1016/j.visres.2005.08.032 [used the first 108 images in grayscale]

Frey, HP., König, P. & Einhäuser, W. The role of first- and second-order stimulus features for human overt attention. Perception & Psychophysics, 69, 153–161 (2007). https://doi.org/10.3758/BF03193738 [used the images in color]