白描 OCR 文字识别 iOS 版在开发过程中使用了下列第三方开源类库、组件，感谢开源社区对我们的帮助和对整个互联网的贡献。

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OpenCV

OpenCV (Open Source Computer Vision Library) is released under a BSD license and hence it’s free for both academic and commercial use. It has C++, C, Python and Java interfaces and supports Windows, Linux, Mac OS, iOS and Android. OpenCV was designed for computational efficiency and with a strong focus on real-time applications. Written in optimized C/C++, the library can take advantage of multi-core processing. Enabled with OpenCL, it can take advantage of the hardware acceleration of the underlying heterogeneous compute platform.

Adopted all around the world, OpenCV has more than 47 thousand people of user community and estimated number of downloads exceeding 14 million. Usage ranges from interactive art, to mines inspection, stitching maps on the web or through advanced robotics.

IQKeyboardManager

Often while developing an app, We ran into an issues where the iPhone keyboard slide up and cover the UITextField/UITextView. IQKeyboardManager allows you to prevent issues of the keyboard sliding up and cover UITextField/UITextView without needing you to enter any code and no additional setup required. To use IQKeyboardManager you simply need to add source files to your project.

IQKeyboardManager works on all orientations, and with the toolbar. There are also nice optional features allowing you to customize the distance from the text field, add the next/previous done button as a keyboard UIToolbar, play sounds when the user navigations through the form and more.

Distributed under the MIT License.

SVProgressHUD

SVProgressHUD is a clean and easy-to-use HUD meant to display the progress of an ongoing task on iOS and tvOS.

SVProgressHUD is distributed under the terms and conditions of the MIT license. The success, error and info icons are made by Freepik from Flaticon and are licensed under Creative Commons BY 3.0.