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LLRetina: low-light color fundus image dataset

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The LLRetina dataset comprises paired low-light (LL) and high-light (HL) color fundus images. Based on flash irradiance during imaging, the dataset is divided into two subsets: LLRetina_LL1 and LLRetina_LL2. LLRetina_LL1 includes both healthy and diseased eyes,  while LLRetina_LL2 includes only healthy eyes. For LLRetina_LL1, we adopted a feature point-based image registration algorithm to estimate transformation matrices and spatially align each LL image with its corresponding HL image. The ra

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The LLRetina dataset comprises paired low-light (LL) and high-light (HL) color fundus images. Based on flash irradiance during imaging, the dataset is divided into two subsets: LLRetina_LL1 and LLRetina_LL2. LLRetina_LL1 includes both healthy and diseased eyes,  while LLRetina_LL2 includes only healthy eyes.

For LLRetina_LL1, we adopted a feature point-based image registration algorithm to estimate transformation matrices and spatially align each LL image with its corresponding HL image. The ra