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A small CoreML Model to scan images for nudity

A small CoreML Model to scan images for nudity

NSFWDetector

NSFWDetector is a small (17 kB) CoreML Model to scan images for nudity. It was trained using CreateML to distinguish between porn/nudity and appropriate pictures. With the main focus on distinguishing between instagram model like pictures and porn.

Usage

guard #available(iOS 12.0, *), let detector = NSFWDetector.shared else {
    return
}

detector.check(image: image, completion: { result in
    switch result {
    case let .success(nsfwConfidence: confidence):
        if confidence > 0.9 {
            // 😱🙈😏
        } else {
            // ¯\_(ツ)_/¯
        }
    default:
        break
    }
})

If you want to enforce stricter boundaries for your platform, just apply a lower threshold for the confidence.

Installation

NSFWDetector is available through CocoaPods. To install
it, simply add the following line to your Podfile:

pod 'NSFWDetector'

⚠️ Because the model was trained with CreateML, you need Xcode 10 and above to compile the project.

App Size

The Machine Learning Model is only 17 kB in size, so App size won't be affected compared to other libraries using the yahoo model.

Using just the Model

If you don't want to use the Detection Code, you can also just download the MLModel file directly from the latest Release.

GitHub