Pengyu Guo, Zhiliang Xue, Wenhui Lin, Lei Wang, Yingchun Wu, Anyuan Yu, Yingchuan Wu, Xuecheng Wu. Heteromorphic Optical Window Design and Imaging Distortion Correction for Inward-Turning Inlet[J]. Acta Optica Sinica, 2019, 39(12): 1211004
- Acta Optica Sinica
- Vol. 39, Issue 12, 1211004 (2019)
Fig. 1. Diagram of light passing through optical heteromorphic window
Fig. 2. Three-dimensional visualization of optical heteromorphic window
Fig. 3. Shadow image in inward-turning inlet test
Fig. 4. Diagram of heteromorphic distortion calibration system
Fig. 5. Luminance distributions before and after light passing through optical heteromorphic window. (a) Incident light intensity of optical heteromorphic window; (b) output light intensity of optical heteromorphic window; (c) 3D distribution of grayscale with optical heteromorphic window
Fig. 6. Images of checkerboard calibration board with and without optical heteromorphic window. (a) Without optical heteromorphic window; (b) background noise; (c) with optical heteromorphic window; (d) image of calibration board after removing background
Fig. 7. Results of correction of distorted image. (a) Corner detection of original image; (b) corner detection of distorted image; (c) comparison of corrected image with original image; (d) comparison of correction image with distortion image
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