Laser & Optoelectronics Progress, Volume. 59, Issue 4, 0410006(2022)
Heterogeneous Noise Iris Segmentation Based on Attention Mechanism and Dense Multiscale Features
Fig. 1. Examples of eye image acquisition in complex scenes. (a) Gaze deviation; (b) absence of iris; (c) eyelash occlusion; (d) iris rotation; (e) blur; (f) hair shade; (g) specular reflection; (h) glasses occlusion
Fig. 2. MFFIris-Unet architecture
Fig. 3. Structure of inverted residual block
Fig. 4. Structure of the modified residual bottleneck unit
Fig. 5. Spatial-channel parallel attention module architecture
Fig. 6. Improved Dense-ASPP structure
Fig. 7. Examples of data enhanced training samples
Fig. 8. Curves of training loss function and precision change at different datasets. (a) CASIA; (b) UBIRIS; (c) MICHE
Fig. 9. Segmentation results of different methods on MICHE dataset. (a) Original image; (b) ground truth; (c) results of Deeplab V3; (d) results of U-Net; (e) results of RTV-L; (f) results of PI-Unet; (g) results of MFFIris-Unet
Fig. 10. Segmentation results of different methods on CASIA dataset. (a) Original image; (b) ground truth; (c) results of Deeplab V3; (d) results of U-Net; (e) results of RTV-L; (f) results of PI-Unet; (g) results of MFFIris-Unet
Fig. 11. Segmentation results of different methods on UBIRIS dataset. (a) Original image; (b) ground truth; (c) results of Deeplab V3; (d) results of U-Net; (e) results of RTV-L; (f) results of PI-Unet; (g) results of MFFIris-Unet
Fig. 12. Histograms of mIoU and average F1 scores on three datasets
Fig. 13. Visualized results predicted by the base model and MFFIris-Unet. (a) Original image; (b) ground truth; (c) results of base method; (d) results of MFFIris-Unet
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Xuanang You, Peng Zhao, Xiaodong Mu, Kun Bai, Sai Lian. Heterogeneous Noise Iris Segmentation Based on Attention Mechanism and Dense Multiscale Features[J]. Laser & Optoelectronics Progress, 2022, 59(4): 0410006
Category: Image Processing
Received: Jan. 27, 2021
Accepted: Mar. 25, 2021
Published Online: Jan. 25, 2022
The Author Email: You Xuanang (youxuanang@163.com), Zhao Peng (zpxhh@163.com)