Common parameters

random_seed

default: 0
Integer to use as the random seed to initialize the random number generator.

log_to_stderr

default: 0 (disabled)

log_level

default: 2 (error)
possible: 0 (none), 1 (fatal), 2 (error), 3 (warn), 4 (info)
Controls the verbosity of the messages generated by the FLANN library functions.

database_path

Path to database in which to store the extracted data.