Abnormality detection in retinal image by individualized background learning

Benzhi Chen, Lisheng Wang, Xiuying Wang, Jian Sun, Yijie Huang, Dagan Feng, Zongben Xu

Abstract: Highlights•A multi-scale sparse coding based learning algorithm is proposed for effectively learning the individualized retinal background.•A repeated learning strategy is proposed for improving the accuracy of the individualized retinal background.•A feasible approach is developed for detecting both salient and weak retinal lesions.