Having worked extensively with Python, Machine Learning, and Computer Vision, I have the specific skill set needed to upgrade your home surveillance system. My prior experience includes successful projects similar to yours, where I've driven considerable improvements in facial recognition accuracy. As someone well-versed in API integration, I can ensure seamless integration of the upgraded system into your current setup.
Recognizing the importance of troubleshooting and eliminating unknown face recognition errors, my approach to this project would involve an iterative process that includes: analyzing the current system's codebase thoroughly, identifying bugs or inefficient algorithms that contribute to the issue, devising a strategy for enhancement, and finally testing these enhancements rigorously before implementation.
Additionally, my expertise in Machine Learning would further fortify your system through improved facial recognition algorithms. By continually updating the model with new data and refining it using state-of-the-art techniques, we can substantially improve recognition accuracy. In summary, I don't just offer a simple version upgrade but rather a comprehensive solution increasing the accuracy of your facial recognition system.