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<p>We propose a novel image translation framework that converts fundus images from conventional fundus cameras to confocal scanning laser ophthalmoscopy (cSLO), aiming to bridge a clinically significant domain gap that has been largely overlooked. Our model incorporates self-attention modules to better capture long-range dependencies and jointly optimizes structural similarity and gradient variance losses to enhance anatomical fidelity and fine detail preservation. To support supervised training, we construct a high-quality paired dataset of camera and cSLO images collected from the same patients, with all pairs coarsely aligned based on major anatomical landmarks(e.g., the optic disc and major vessels) and clinically verified to ensure diagnostic relevance. Experimental results demonstrate that our method achieves state-of-the-art performance in both perceptual realism and structural accuracy. Additionally, we introduce the Feature Matching Success Rate (FMSR), a novel keypoint-based metric using AKAZE descriptors, to quantitatively assess anatomical consistency across modalities.</p>

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Generative model-based fundus photography translation for enhanced cross-device consistency

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月9日

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  • Jaehan Joo,
  • Ji-Eun Lee,
  • Su-Jin Kim,
  • Seung Min Lee,
  • Suk Chan Kim

摘要

We propose a novel image translation framework that converts fundus images from conventional fundus cameras to confocal scanning laser ophthalmoscopy (cSLO), aiming to bridge a clinically significant domain gap that has been largely overlooked. Our model incorporates self-attention modules to better capture long-range dependencies and jointly optimizes structural similarity and gradient variance losses to enhance anatomical fidelity and fine detail preservation. To support supervised training, we construct a high-quality paired dataset of camera and cSLO images collected from the same patients, with all pairs coarsely aligned based on major anatomical landmarks(e.g., the optic disc and major vessels) and clinically verified to ensure diagnostic relevance. Experimental results demonstrate that our method achieves state-of-the-art performance in both perceptual realism and structural accuracy. Additionally, we introduce the Feature Matching Success Rate (FMSR), a novel keypoint-based metric using AKAZE descriptors, to quantitatively assess anatomical consistency across modalities.