Chris Greening 开发了一个 iphone 图像处理库-(Apple wireless printing) function in their own applications by adding an AirPrint

图像处理类库，精选ios编程学习源码，很好的参考资料。-Image processing library, select learning IOS programming source code, a good reference.

支持实时摄像头滤镜的GPUImage是iOS下一个开源的基于GPU的图像处理库，提供各种各样的图像处理滤镜，并且支持照相机和摄像机的实时滤镜。GPUImage for Android是它在Android下的实现，同样也是开源的，托管在Github上。-Support real-time camera filters GPUImage is IOS under an open source GPU based image processing library, provides a variety

在Android Studio中调用opencv的库，对图像进行灰度化处理的操作。(In Android Studio, the library of OpenCV is called, and the image is grayscale processing.)