Abstract
Different retina diseases require laser treatment that is applied on retina images. For example, the treatment uses laser activation applied on the retina on different points. In this case, the treatment uses only a part of the fundus image, named retina treatment image. The scope of the paper is to combine all the retina treatment images in order to map all the treatment points on the whole fundus image. Thus an annotated fundus image with all treatment points is obtained. Thus, each treatment retina image is mapped on the corresponding fundus image in order to place the spot light on it. The spot light is similar as shape with the optic disc. The differentiation between them is made based on blood vessels - optic disc contains a high density of pixels from the blood vessels. Both blood vessel segmentation and detection of the spot light and optic disc are performed using convolutional neural network. Image alignment is performed using feature matching with homography computed using GMS (grid-based motion statistics). Evaluation was performed using different fundus images selected from public datasets. From each fundus image we generated different treatment retina images - cropped and rotated parts from the original image. The laser spot was simulated through a white circle placed in different positions on the retina treatment images.
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Mocanu, I., Ichim, L., Popescu, D. (2020). Fusioning Multiple Treatment Retina Images into a Single One. In: Yang, H., Pasupa, K., Leung, A.CS., Kwok, J.T., Chan, J.H., King, I. (eds) Neural Information Processing. ICONIP 2020. Communications in Computer and Information Science, vol 1333. Springer, Cham. https://doi.org/10.1007/978-3-030-63823-8_12
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