Three Central Clustering of Image Data Diffraction Moiré Fringes Processing.
Journal Title: Libyan Journal of Engineering Science and Technology - Year 2022, Vol 2, Issue 2
Abstract
To accomplish exact determination of the center of non-diffractive light moiré fringes, diffraction light moiré fringes are frequently widely used in the field of precision measurement. The key to high-precision measuring is position. Examine the image features of moiré fringes in the lack of diffraction light. The moiré fringe's center positioning technique. The center of the three spots in the moiré fringe image is first extracted using the light intensity distribution characteristics. Concentric circle area and then perform local concentric circle detection. Determine the initial circle center set and then cluster the initial circle center set to determine The initial position of the center of the three spots Lastly, delete the abnormal point and iteratively find the more accurate position of the center of the three spots. The location of the center of the three spots of the Er fringe, Hypothetical and empirical results show that this method can quickly (accurately determine the position! And the discrepancy is under two pixels.
Authors and Affiliations
Yousuf. A. Maneetah¹, Nouri. B. Mahjoub², and Emad. R. Gadalla³
Keywords
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