topology estimation
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2022 ◽  
Vol 202 ◽  
pp. 107593
Author(s):  
Adnan Anwar ◽  
Abdun Naser Mahmood ◽  
Zahir Tari ◽  
Akhtar Kalam

Author(s):  
Aswathy Rajendra Kurup ◽  
Manel Martinez-Ramon ◽  
Adam Summers ◽  
Ali Bidram ◽  
Matthew J. Reno

Author(s):  
Haoran Li ◽  
Yang Weng ◽  
Yizheng Liao ◽  
Brian Keel ◽  
Kenneth E. Brown

Author(s):  
Binod Poudel ◽  
Daniel Ruiz Garcia ◽  
Ali Bidram ◽  
Matthew J. Reno ◽  
Adam Summers

2020 ◽  
Vol 11 (1) ◽  
pp. 320
Author(s):  
Seung Yeon Shin ◽  
Soochahn Lee ◽  
Il Dong Yun ◽  
Kyoung Mu Lee

Retinal artery–vein (AV) classification is a prerequisite for quantitative analysis of retinal vessels, which provides a biomarker for neurologic, cardiac, and systemic diseases, as well as ocular diseases. Although convolutional neural networks have presented remarkable performance on AV classification, it often comes with a topological error, like an abrupt class flipping on the same vessel segment or a weakness for thin vessels due to their indistinct appearances. In this paper, we present a new method for AV classification where the underlying vessel topology is estimated to give consistent prediction along the actual vessel structure. We cast the vessel topology estimation as iterative vascular connectivity prediction, which is implemented as deep-learning-based pairwise classification. In consequence, a whole vessel graph is separated into sub-trees, and each of them is classified as an artery or vein in whole via a voting scheme. The effectiveness and efficiency of the proposed method is validated by conducting experiments on two retinal image datasets acquired using different imaging techniques called DRIVE and IOSTAR.


2020 ◽  
Vol 11 (5) ◽  
pp. 4299-4310 ◽  
Author(s):  
Deepjyoti Deka ◽  
Saurav Talukdar ◽  
Michael Chertkov ◽  
Murti V. Salapaka

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