VerSign: Easy Signature Verification in Python

Overview

VerSign: Easy Signature Verification in Python

versign is a small Python package which can be used to perform verification of offline signatures.

It assumes no prior knowledge of any machine learning tools or machine learning itself, and therefore can be used by ML experts and anyone else who wants to quickly integrate this functionality into their project.

Getting Started

Installation

This package requires python 3. Installation can be done with pip:

pip install versign

You might also need to manually install the following dependencies:

pip install git+git://github.com/luizgh/visdom_logger#egg=visdom_logger
pip install git+https://github.com/luizgh/sigver.git

Installation inside a virtual environment is recommended.

Download Trained Models

Before you can get started with, there is one more step you need to complete. versign comes with some pre-trained models which give it its magic.

Download the compressed models here, and extract them to models/ directory in your project root. Your project directory should look something like this:

_ $PROJECT_ROOT
 |__ models/
 |   |__ signet.pth
 |   |__ versign_segment.pkl
 |__ ...

Organise Your Dataset

This model treats signature verification as a single-class learning problem where only positive samples (i.e. genuine signatures) are available during training. This is because, in real-world situations where we want to enrol users into a signature verification system for verifying their signatures later, we don't have any forgeries available unless we specifically obtain them. Which is not practical. However, both genuine and forged signatures can be present during testing.

Write Your First Program with VerSign

import os
from versign import VerSign


# Load training data
train_data # folder containing training data (only genuine samples)
x_train = [os.path.join(train_data, f) for f in sorted(os.listdir(train_data))]

# Load test data and labels
test_data # folder containing test data
x_test = [os.path.join(test_data, f) for f in sorted(os.listdir(test_data))]

# Train a writer-dependent model from training data
v = VerSign('models/signet.pth', (150, 220))
v.fit(x_train)

# Predict labels of test data
y_pred = v.predict(x_test)

For a more complete example and additional features such as measuring test accuracy if groundtruth is known, see example.py.

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Comments
  • Source Code of model files

    Source Code of model files

    Hi, this is an amazing project. Just wanna ask is it possible to get predictions in the range of 0 to 1 instead of a definite 0 or 1 or simply is it possible for me to get the source code of the model files

    Thank You

    opened by YScheung 1
  • how to get the dataset used in `example.py`

    how to get the dataset used in `example.py`

    Can i get the data set used in the example.py file please!!!!

    ../../authentica/sources/db/datasets/Signatures/CustomDataset/' this folder structure like any zip file or a drive link as in like models

    Amazing work bro !!

    opened by homimickey 1
  • Example of train and test data

    Example of train and test data

    Hi @saifkhichi96,

    Could you add a sample train and test dataset with the example.py for reference? The project looks interesting, would want to try it on my own dataset, but its a bit confusing as it doesn't mention the format in which the data is expected.

    Thanks, Monica

    opened by mon28 3
  • Scikit learn module SKlearn.Tree.Tree Deprecated, any workarounds?

    Scikit learn module SKlearn.Tree.Tree Deprecated, any workarounds?

    I have been trying to run the code with the latest scikit learn but to no avail as they have deprecated certain functions, could you help me get the code updated to work with current modules? (No module named Sklearn.tree.tree)

    opened by Aur0raN 1
Releases(v.0.0.2)
Owner
Muhammad Saif Ullah Khan
Mobile developer and ML engineer.
Muhammad Saif Ullah Khan
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