Digital image enhancement using deep learning algorithm in 3D heads-up vitreoretinal surgery.

Journal: Scientific reports
Published Date:

Abstract

This study aims to predict the optimal imaging parameters using a deep learning algorithm in 3D heads-up vitreoretinal surgery and assess its effectiveness on improving the vitreoretinal surface visibility during surgery. To develop the deep learning algorithm, we utilized 212 manually-optimized still images extracted from epiretinal membrane (ERM) surgical videos. These images were applied to a two-stage Generative Adversarial Network (GAN) and Convolutional Neural Network (CNN) architecture. The algorithm's performance was evaluated based on the peak signal-to-noise ratio (PSNR) and structural similarity index map (SSIM), and the degree of surgical image enhancement by the algorithm was evaluated based on sharpness, brightness, and contrast values. A survey was conducted to evaluate the intraoperative suitability of optimized images. For an in-vitro experiment, 121 anonymized high-resolution ERM fundus images were optimized using a 3D display based on the algorithm. The PSNR and SSIM values are 34.59 ± 5.34 and 0.88 ± 0.08, respectively. The algorithm enhances the sharpness, brightness and contrast values of the surgical images. In the in-vitro experiment, both the ERM size and color contrast ratio increased significantly in the optimized fundus images. Both surgical and fundus images are digitally enhanced using a deep learning algorithm. Digital image enhancement using this algorithm can be potentially applied to 3D heads-up vitreoretinal surgeries.

Authors

  • Sung Ha Hwang
    Department of Ophthalmology, Gachon University Gil Medical Center, 21 Namdong-daero 774-beon-gil, Namdong-gu, Incheon, 21565, Republic of Korea. hwangs00@naver.com.
  • Young Jae Kim
    Department of Biomedical Engineering, College of Medicine, Gachon University, Gyeonggi-do, Republic of Korea.
  • Jae Bok Cho
    Medical Device R&D center, Gachon University, Incheon, Korea.
  • Kwang Gi Kim
    Department of Biomedical Engineering Branch, National Cancer Center, Gyeonggi-do, South Korea.
  • Dong Heun Nam
    Department of Ophthalmology, Gachon University Gil Medical Center, 21 Namdong-daero 774-beon-gil, Namdong-gu, Incheon, 21565, Republic of Korea. eyedawns@gilhospital.com.