资料整理
官网资料（机器学习）
- https://developer.apple.com/cn/machine-learning/api/#natural
- https://developer.apple.com/cn/machine-learning/
官网教程
其他教程
相关组件使用方法
Demo 和教程
- CALayer Tutorial for iOS: Getting Started
- Detecting text with VNRecognizeTextRequest in iOS 13
- Vision Framework Tutorial for iOS: Scanning Barcodes
- Face Detection Tutorial Using the Vision Framework for iOS
中间碰到一些问题解决方案
- https://developer.apple.com/forums/thread/690855
- https://developer.apple.com/forums/thread/121048
- https://developer.apple.com/forums/thread/695693
- https://stackoverflow.com/questions/69337500/vnrecognizetextrequest-ios-15-problem-recognizing-text
- https://izhangmai.github.io/2017/09/11/Vision%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/
- https://stackoverflow.com/questions/14039251/ios-avcapturesession-how-to-get-set-the-number-of-frames-per-second-recorded
很好的资料