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- W4285087688 abstract "Automated fundus screening is becoming a significant programme of telemedicine in ophthalmology. Instant quality evaluation of uploaded retinal images could decrease unreliable diagnosis. In this work, we propose fractal dimension of retinal vasculature as an easy, effective and explainable indicator of retinal image quality. The pipeline of our approach is as follows: utilize image pre-processing technique to standardize input retinal images from possibly different sources to a uniform style; then, an improved deep learning empowered vessel segmentation model is employed to extract retinal vessels from the pre-processed images; finally, a box counting module is used to measure the fractal dimension of segmented vessel images. A small fractal threshold (could be a value between 1.45 and 1.50) indicates insufficient image quality. Our approach has been validated on 30,644 images from four public database." @default.
- W4285087688 created "2022-07-14" @default.
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- W4285087688 date "2022-07-13" @default.
- W4285087688 modified "2023-10-17" @default.
- W4285087688 title "Fractal dimension of retinal vasculature as an image quality metric for automated fundus image analysis systems" @default.
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- W4285087688 doi "https://doi.org/10.1038/s41598-022-16089-3" @default.
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