Comments (4)
The development set is used for feature learning, and the exploitation set is used during WD training.
The experimental protocol for GPDS also uses signatures from the development set as negative examples for WD training, but it is possible to train WD classifiers with both positive and negative examples from the exploitation set: you just need to set --forg-from_dev=0
and --forg-from_exp=$n
with $n being the number of random forgeries from the exploitation set (per user) that should be used.
from sigver.
I mistook the sets. What I want to do is train WD classifiers using all the signatures in the dataset, so I want to set the development set to an empty set.
For example, to train WD classifiers for the MCYT using the feature extractor trained in the GPDS, the exploitation set should contain any signatures?
from sigver.
In our experimental protocol, for the MCYT there is only the exploitation set (no development set). So for training with signatures from all users in the dataset, you just need the exp-users to have all users (e.g.--exp-users 0 75
) and inform that you will not use random forgeries from the development set (--forg-from_dev=0
), but rather from the exploitation set: --forg-from_exp=$n
. I hope this helps
from sigver.
Helped a lot, thanks
from sigver.
Related Issues (19)
- Can not reproduce the results. HOT 9
- Expected more than 1 value per channel when training, got input size torch.Size([1, 2048]) HOT 2
- y-value equals to user's index instead of user's label HOT 4
- Issue about using WD classifier and running test.py HOT 1
- Trouble executing training script train.py on CEDAR Dataset HOT 15
- Where to download CEDAR and Brazilian PUC-PR database HOT 2
- RuntimeError: invalid argument 2: non-empty vector or matrix expected at /pytorch/aten/src/THCUNN/generic/ClassNLLCriterion.cu:32 HOT 2
- Where i get the pickle file for testing HOT 1
- not getting good results in pretrained model with real time images, why? HOT 5
- Assertion error in example.py HOT 15
- ModuleNotFoundError: No module named 'sigver.datasets.toremove' HOT 2
- ZeroDivisionError: integer division or modulo by zero HOT 2
- Transfer learning HOT 1
- Thresholds HOT 1
- Preprocessing scheme HOT 2
- prediction for wd classification
- Cannot extract features similar to features in "some_signature_features.pth" HOT 1
- Problem about the result pickle file HOT 2
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from sigver.