gistfile1.txt

private func generateCutout(image: UIImage) throws -> UIImage? {
    guard let cgImage = image.cgImage else { return nil }

    let inputImage = CIImage(cgImage: cgImage, options: [.applyOrientationProperty: true])
    
    let request = VNGenerateForegroundInstanceMaskRequest()
    let handler = VNImageRequestHandler(ciImage: inputImage)
    try handler.perform([request])
    
    guard let observation = request.results?.first else {
        return nil
    }
    
    let pixelBuffer = try observation.generateMaskedImage(
        ofInstances: observation.allInstances,
        from: handler,
        croppedToInstancesExtent: false
    )
    
    let ciImage = CIImage(cvPixelBuffer: pixelBuffer)
    let context = CIContext()
    
    guard let cgImage = context.createCGImage(ciImage, from: ciImage.extent) else {
        return nil
    }
    
    return UIImage(cgImage: cgImage)
}