2D alpha-shapes to quantify retinal microvasculature morphology and their application to proliferative diabetic retinopathy characterisation in fundus photographs.
2D alpha-shapes to quantify retinal microvasculature morphology and their application to proliferative diabetic retinopathy characterisation in fundus photographs.
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二维 α 形状量化视网膜微血管形态及其在眼底照片中增殖性糖尿病视网膜病变表征中的应用。
DOI:
10.1038/s41598-021-02329-5
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发表时间:
2021-11-24
影响因子:
4.6
通讯作者:
MacGillivray T
中科院分区:
文献类型:
--
作者:
Pead E;Giarratano Y;Tatham AJ;Bernabeu MO;Dhillon B;Trucco E;MacGillivray T
The use of 2D alpha-shapes (α-shapes) to quantify morphological features of the retinal microvasculature could lead to imaging biomarkers for proliferative diabetic retinopathy (PDR). We tested our approach using the MESSIDOR dataset that consists of colour fundus photographs from 547 healthy individuals, 149 with mild diabetic retinopathy (DR), 239 with moderate DR, 199 pre-PDR and 53 PDR. The skeleton (centrelines) of the automatically segmented retinal vasculature was represented as an α-shape and the proposed parameters, complexity (), spread (OpA), global shape (VS) and presence of abnormal angiogenesis (Gradα) were computed. In cross-sectional analysis, individuals with PDR had a lower , OpA and Gradα indicating a vasculature that is more complex, less spread (i.e. dense) and the presence of numerous small vessels. The results show that α-shape parameters characterise vascular abnormalities predictive of PDR (AUC 0.73; 95% CI [0.73 0.74]) and have therefore potential to reveal changes in retinal microvascular morphology.
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影响因子:
2.5
作者:
Al-Tamimi, Mohammed Sabbih Hamoud;Sulong, Ghazali;Shuaib, Ibrahim Lutfi
通讯作者:
Shuaib, Ibrahim Lutfi
影响因子:
9.9
作者:
Doubal, F. N.;MacGillivray, T. J.;Wardlaw, J. M.
通讯作者:
Wardlaw, J. M.
影响因子:
4.6
作者:
Fetit, Ahmed E.;Doney, Alexander S.;Trucco, Emanuele
通讯作者:
Trucco, Emanuele
影响因子:
8.2
作者:
Broe, Rebecca;Rasmussen, Malin L.;Grauslund, Jakob
通讯作者:
Grauslund, Jakob
影响因子:
10.6
作者:
Stosic, Tatijana;Stosic, Borko D.
通讯作者:
Stosic, Borko D.