webapp/ ├── backend/ # Flask API server │ ├── app/ # Application package │ │ ├── routes/ # API endpoints │ │ └── utils/ # Utility functions │ ├── config.py # Configuration settings │ ├── ...

You can use them to generate and recognize barcodes by simply calling methods as if they were native PHP objects, while the actual processing is performed on the Java side.

Abstract: In this paper, we present a wavelet-based 128-bit key generator using electrocardiogram (ECG) signals. The key generator comprises two independent stages, namely, enrollment and verification ...