Vision으로 OCR

import Vision

func recognizedText(image: UIImage?) {
        guard let cgImage = image?.cgImage else { return }
        let handler = VNImageRequestHandler(cgImage: cgImage, options: [:])
        let request = VNRecognizeTextRequest { request, error in
        
            guard let observation = request.results as? [VNRecognizedTextObservation], error == nil else { return }
            let text = observation.compactMap({
                $0.topCandidates(1).first?.string
            }).joined(separator: ", ")
            DispatchQueue.main.async {
                print(text)
            }
        }
        
        do {
            try handler.perform([request])
            
        } catch  {
            print(error.localizedDescription)
        }
    }

참고로 언어가 8가지 밖에 지원이 안되는데 한국어는 없음