期刊
BIOMEDICAL SIGNAL PROCESSING AND CONTROL
卷 75, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.bspc.2022.103630
关键词
Incomplete blinking; Eye videography; Image segmentation; Convolutional blocks
资金
- Wenzhou Science and Technology Bureau [2020Y1534, Y2020035]
- National Natural Science Foundation of China [62006175]
This study develops a texture-aware neural network for accurately extracting palpebral fissures from eye videography. By introducing different convolutional blocks and integrating them with the U-Net, the network achieves promising performance in identifying incomplete blinking based on eye videography.
Accurate identification of incomplete blinking from eye videography is critical for the early detection of eye disorders or diseases (e.g., dry eye). In this study, we develop a texture-aware neural network based on the classical U-Net (termed TAU-Net) to accurately extract palpebral fissures from each frame of eye videography for assessing incomplete blinking. We introduced three different convolutional blocks based on element-wise subtraction operations to highlight subtle textures associated with target objects and integrated these blocks with the U-Net to improve the segmentation of palpebral fissures. Quantitative experiments on 1396 frame images showed that the developed network achieved an average Dice index of 0.9587 and a Hausdorff distance (HD) of 4.9462 pixels when applied to segment palpebral fissures. It outperformed the U-Net and its several variants, demonstrating a promising performance in identifying incomplete blinking based on eye videography.
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