Single digit APCER decrease

Case summary: Axon Labs helped a European e-KYC startup improve their liveness detection model, which was sensitive to print, cut, and replay attacks. By providing a dataset with targeted movements and authentic selfies, we enhanced the model’s accuracy and resilience, ensuring robust performance in real-world scenarios and delivering a more secure anti-spoofing solution.

Task

A Head of sourcing and Computer vision software engineer from a European e-KYC startup approached us. They were facing some challenges with their liveness detection model. Although the model had a lot of production data, it could still be affected by some of the most common spoofing attacks, such as print attacks, cut attacks, and replay attacks. The client required a solution to enhance the model’s accuracy and ensure robust performance in real-world scenarios.

Solution

The client’s existing production data was insufficient due to a lack of genuine individual selfies. We proposed developing a customized dataset specifically tailored to their needs, to enhance their liveness detection technology. 

Our Solution Included:

  • Relevant Dataset:  We delivered a dataset containing both videos with targeted movements and authentic selfies for each individual, improving the liveness detection capabilities
  • Targeted Training: The dataset focused on the most prevalent spoofing techniques (print, cut, and replay), ensuring the model could effectively mitigate these threats
  • High-Quality Data: The dataset was meticulously curated to encompass a broad spectrum of real-world conditions, guaranteeing the model’s resilience against diverse anti-spoofing challenges

Result

  • Reduced Error Rate: The model’s Attack Presentation Classification Error Rate (APCER) decreased by a single-digit percentage, significantly enhancing the accuracy of liveness detection

  • Improved Generalization: The customized dataset, featuring paired videos with targeted movements and authentic selfies, enabled the model to better generalize and distinguish between real and spoofed attempts

  • Enhanced Security: By focusing on the most prevalent attack types (print, cut, and replay), the model became stronger against real-world anti-spoofing challenges, ensuring a more secure e-KYC process

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