Convert AVCaptureStillImageOutput to UIImage

    // Convert AVCaptureStillImageOutput to UIImage without lose resolution
    func imageFromSampleBuffer(sampleBuffer : CMSampleBuffer) -> UIImage
    {
        // convert UIImage without lose quality
        let pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer)
        let ciImage = CIImage.init(cvPixelBuffer: pixelBuffer!)

        let context = CIContext.init()
        let width = CVPixelBufferGetWidth(pixelBuffer!)
        let height = CVPixelBufferGetHeight(pixelBuffer!)
        let cgImage = context.createCGImage(ciImage, from: CGRect(x: 0, y: 0, width: width, height: height))

        let image = UIImage.init(cgImage: cgImage!);
        return (image)
    }