How to use fusion_llr.py

[Quazi Marufur Rahman]

Hi,

Is there any clearer example of how to use fusion for speaker recognition? I can't understand

the usage of f, g and p parameter.

usage: usage: fusion_llr.py [arguments]
This script fuses scores from various systems, from a score file in four or
five column format. Note: The score file has to contain the exact probe file
names as the 3rd (4column) or 4th (5column) column.
optional arguments:
  -h, --help            show this help message and exit
  -d DEV_FILES [DEV_FILES ...], --dev-files DEV_FILES [DEV_FILES ...]
                        A list of score files of the development set.
                        (default: None)
  -e EVAL_FILES [EVAL_FILES ...], --eval-files EVAL_FILES [EVAL_FILES ...]
                        A list of score files of the evaluation set; if given
                        it must be the same number of files as the --dev-
                        files. (default: None)
  -f SCORE_FUSED_DEV_FILE, --score-fused-dev-file SCORE_FUSED_DEV_FILE
                        The calibrated development score file in 4 or 5 column
                        format to calibrate. (default: None)
  -g SCORE_FUSED_EVAL_FILE, --score-fused-eval-file SCORE_FUSED_EVAL_FILE
                        The calibrated evaluation score file in 4 or 5 column
                        format to calibrate. (default: None)
  -p {4column,5column}, --parser {4column,5column}
                        The style of the resulting score files. The default
                        fits to the usual output of score files. (default:
                        4column)

[Tiago Freitas Pereira]

Hi Quazi,

`f` and `g` are the output file names. The fused scores will be written there.

-p is the format of your scores. Either 4column (https://pythonhosted.org/bob/temp/bob.measure/doc/py_api.html?highlight=column#bob.measure.load.four_column) or 5column (https://pythonhosted.org/bob/temp/bob.measure/doc/py_api.html?highlight=column#bob.measure.load.five_column).

A possible usage would be

fusion_llr.py \
   --dev-files system-A-dev.txt system-B-dev.txt \
   --eval-files system-A-eval.txt system-B-eval.txt  \ #IF ANY EVALUATION SET
   --score-fused-dev-file output-fusion-dev.txt \
   --score-fused-eval-file output-fusion-eval.txt #IF ANY EVALUATION SET

Cheers

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Tiago