Camera handling + machine learning

import UIKit
import AVFoundation

class ViewController: UIViewController, AVCapturePhotoCaptureDelegate {
    var captureSession: AVCaptureSession?
    var captureOutput: AVCapturePhotoOutput?
    var previewLayer: AVCaptureVideoPreviewLayer?
    var capturedImage: UIImage?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupCaptureSession()
        setupPreviewLayer()
    }
    
    func setupCaptureSession() {
        captureSession = AVCaptureSession()
        captureSession?.sessionPreset = AVCaptureSession.Preset.photo
        
        guard let backCamera = AVCaptureDevice.default(for: AVMediaType.video) else {
            print("Unable to access the camera")
            return
        }
        
        do {
            let input = try AVCaptureDeviceInput(device: backCamera)
            captureSession?.addInput(input)
            captureOutput = AVCapturePhotoOutput()
            captureSession?.addOutput(captureOutput!)
            
            captureSession?.startRunning()
        } catch {
            print("Error setting up capture session: \(error.localizedDescription)")
        }
    }
    
    func setupPreviewLayer() {
        previewLayer = AVCaptureVideoPreviewLayer(session: captureSession!)
        previewLayer?.videoGravity = AVLayerVideoGravity.resizeAspectFill
        previewLayer?.frame = view.bounds
        view.layer.insertSublayer(previewLayer!, at: 0)
    }
    
    @IBAction func captureButtonPressed(_ sender: UIButton) {
        let settings = AVCapturePhotoSettings()
        captureOutput?.capturePhoto(with: settings, delegate: self)
    }
    
    func photoOutput(_ output: AVCapturePhotoOutput, didFinishProcessingPhoto photo: AVCapturePhoto, error: Error?) {
        guard let imageData = photo.fileDataRepresentation() else {
            print("Error converting photo to data")
            return
        }
        
        capturedImage = UIImage(data: imageData)
        
        // Call your machine learning model function here, passing the capturedImage variable
        
        // Example usage:
        // performImageClassification(image: capturedImage)
    }
    
    func performImageClassification(image: UIImage?) {
        // Implement your machine learning model code here to classify the image
        // Example:
        // let model = YourMachineLearningModel()
        // let classificationResult = model.classifyImage(image)
        
        // Use the classification result as needed
        // Example:
        // print(classificationResult)
    }
}