Using CAPTCHAs to Index Cultural Artifacts

Stickman CAPTCHA

Samples of stickmen

1,000 pairs of randomly generated stickmen.
20 randomly generated stickmen and their traces by three volunteers.
Codes to generate stickmen.

CAPTCHA ROCK

Demo of CAPTCHA ROCK

Raw rock art images in the "control image" set.
Traces of the "control image" set: Trace_ini, Trace_robot and Trace_human.
Codes for experiments to estimate the pass rate (of human and robot, using one or three traces).

Supporting Similarity Search

Similarity Search

The Experiment setting and more query results can be found here (pdf).
Codes to run K-NN tests for user queries.

Petroglyph Annotator

Petroglyph Annotator Snapshot

Download it!
Instructions about how to use this tool.