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Retinal IPA: Iterative KeyPoints Alignment for Multimodal Retinal Imaging by Wang, Jiacheng; Li, Hao; Hu, Dewei; Xu, Rui; Yao, Xing; Tao, Yuankai K.; Oguz, Ipek is a scholarly article available to read on EtoBox.

What is Retinal IPA: Iterative KeyPoints Alignment for Multimodal Retinal Imaging about?

We propose a novel framework for retinal feature point alignment, designed for learning cross-modality features to enhance matching and registration across multi-modality retinal images. Our model draws on the success of previous learning-based feature detection and description methods. To better leverage unlabeled data and constrain the model to reproduce relevant keypoints, we integrate a keypoint-based segmentation task. It is trained in a self-supervised manner by enforcing segmentation consistency between different augmentations of the same image. By incorporating a keypoint augmented self-supervised layer, we achieve robust feature extraction across modalities. Extensive evaluation on two public datasets and one in-house dataset demonstrates significant improvements in performance for modality-agnostic retinal feature alignment. Our code and model weights are publicly available at \url{https://github.com/MedICL-VU/RetinaIPA}.

Author

Wang, Jiacheng; Li, Hao; Hu, Dewei; Xu, Rui; Yao, Xing; Tao, Yuankai K.; Oguz, Ipek

Published

2024

Language

EN