MATLAB Source Code Implementation of Patchwork Algorithm

In this article, we provide the following content: 1. MATLAB source code implementation of the Patchwork Algorithm. This source code is developed based on the algorithmic description of Patchwork, enabling users to easily implement this algorithm within the MATLAB environment. Our implementation not only offers a reliable solution but also includes comprehensive comments and explanations to help users better understand the algorithm's workflow and key computational steps. The code features modular functions for embedding and extraction processes, with optimized matrix operations for efficient data processing. 2. We have improved upon Wang Ying's version of the Patchwork Algorithm to address identified issues. We provide detailed explanations of these problems and our corresponding solutions. The enhanced algorithm delivers superior performance in handling specific scenarios, which is particularly important for users with strict requirements for algorithm accuracy and robustness. Key improvements include corrected statistical calculations, enhanced error handling mechanisms, and optimized parameter selection routines. We hope this content proves beneficial for researchers and practitioners working with the Patchwork Algorithm. If you have any questions or suggestions regarding this implementation, please do not hesitate to contact us.