CoreImage filter library provides a UIImageView extension with prebuilt image filters.
You can install PhotoFilter via Carthage. Add github "https://github.com/christiancabarrocas/PhotoFilter.git" to your Cartfile.
let imageView = UIImageView()
let imageView.image = UImage(named:"test.png")
imageView.blackAndWhite
imageView.blur(radius:3.0)
imageView.sepia(intensity:3.0)
imageView.exposure(intensity:3.0)
imageView.bloom(radius:2.0, intensity:1.0)