James Z. Wang's Research Group

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Download Databases for research comparison

Download 10,000 test images (low resolution web-crawled misc database used in WBIIS);
download 1,000 test images (test database used in SIMPLIcity paper)(zip);
Due to growing demands and concerns of compliance to 'fair-use', we can no longer provide the larger databases (incl. the 60,000-image database) for research use. Sorry for inconvenience.
The databases should be used only for comparing algorithms, which can be considered as 'fair use' of the images and our metadata. You should not redistribute the images.

These datasets have been used in our publications.

Download the Aesthetics Data for Research
The dataset was used in our computational aesthetics work:

Obtain SIMPLIcity Software Package

If you are a government agency, an education institution, or a non-profit organization, we may offer you a FREE license of the SIMPLIcity system to run on Linux or Solaris. Please contact Prof. James Wang by email to discuss details. At the moment, the C source code is not ready for public download. If you are commercial and would like to use SIMPLIcity, let us know and we will try to arrange to let you use.

To try SIMPLIcity on a real-world site with more than a million images and many concurrent users, go to