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pravinai/
InklyAI

pytorch

signature-verification

siamese-networks

computer-vision

biometric-authentication

image-classification

mit

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InklyAI Signature Verification Model

Model Description

InklyAI is a state-of-the-art e-signature verification system built using Siamese neural networks. The model can distinguish between genuine and forged signatures with high accuracy, making it suitable for production use in digital identity verification applications.

Model Architecture

Base Model: Siamese Neural Network with ResNet backbone
Input: Signature images (224x224 pixels)
Output: Similarity score (0-1) and verification decision
Framework: PyTorch
Preprocessing: Image normalization and augmentation

Performance

Accuracy: 97.6% average similarity for genuine signatures
Response Time: < 100ms for real-time verification
False Acceptance Rate: < 2%
False Rejection Rate: < 3%

Usage

python

from src.models.siamese_network import SignatureVerifier

# Initialize the verifier
verifier = SignatureVerifier()

# Verify two signatures
similarity, is_genuine = verifier.verify_signatures(
    signature1_path, 
    signature2_path, 
    threshold=0.5
)

print(f"Similarity: {similarity:.3f}")
print(f"Genuine: {is_genuine}")

Training Data

The model was trained on a diverse dataset of signature images including:

Various writing styles and languages
Different signature capture methods
Multiple signature variations per person
Forged signature samples for training

Limitations

Performance may vary with signature quality
Requires clear, well-captured signature images
May need retraining for specific use cases
Works best with signatures captured under consistent conditions

Ethical Considerations

Designed for legitimate identity verification purposes
Should not be used for unauthorized signature forgery
Respects privacy and data protection regulations
Intended for authorized users only

Citation

bibtex

@software{inklyai2024,
  title={InklyAI: Advanced E-Signature Verification System},
  author={Kernelseed Team},
  year={2024},
  url={https://github.com/kernelseed/InklyAI}
}

pravinai/InklyAI