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AMT_Real_vs_Fake

Run "real vs fake" experiments on Amazon Mechanical Turk (AMT).

Synopsis

Runs a series "real vs fake" trials. Each trial pits a real image against a "fake" image generated by an algorithm.

Requirements

Python

Usage

  • Put all images to test in a web accessible folder. This folder should have subfolders for the results of each algorithm you would like to test (names of subfolders are specified in opt.which_algs_paths). Must also contain a subfolder for the real images (path: opt['gt_path']). Images should be named "0.jpg", "1.jpg", etc, in consecutive order up to some total number of images N (or they can be named differently, but you will have to specify a lambda function in opt['filename']).
  • Set experiment parameters by modifying opt in getOpts function.
  • Run python mk_expt.py -n EXPT_NAME to generate data csv and index.html for Turk.
  • Create experiment using AMT website or command line tools. For the former option, paste contents of index.html into HIT html code. Upload HIT data from the generated csv.
  • After collecting results, run python process_csv.py -f CSV_FILENAME --N_imgs NUMBER_IMAGES --N_practice NUMBER_PRACTICE. This will compute and run bootstrap statistics.

Features

  • Can enforce that each Turker can only do HIT once (uses http://uniqueturker.myleott.com/; see opt['ut_id'])
  • If multiple algorithms are specified in opt['which_algs_paths'], then each HIT tests all algorithms randomly i.i.d. from this list.
  • If opt['paired'] is true, then "fake/n.jpg" will be pitted against "real/n.jpg"; if false, "fake/n.jpg" will be pitted against "real/m.jpg", for random n and m
  • See getDefaultOpts() for documentation on more features

Citation

This tool was initially developed for Colorful Image Colorization in Matlab (see this branch). This master branch has been translated into Python. Feel free to use this bibtex to cite.