Pei Zhou, Jiangping Zhu, Lingyin Kong, Wei Xiong. Three-Dimension Face Acquisition with Rotating Speckle Structured Light Projection[J]. Laser & Optoelectronics Progress, 2021, 58(4): 0415019
- Laser & Optoelectronics Progress
- Vol. 58, Issue 4, 0415019 (2021)
Fig. 1. Speckle petterns. (a1)-(a8) Different types of speckle patterns; (b) partial enlarged view of speckle template
Fig. 2. Three-dimensional face acquisition system. (a) Schematic of three-dimensional system; (b) optical structure of speckle pattern projector; (c) speckle template
Fig. 3. Flowchart of three-dimensional face reconstruction based on rotating speckle structured light coding
Fig. 4. Correlation between speckle pattern sequences offset 0-20 pixel on x axis in direction of 0° polarization. (a)x=0, y=0; (b)x=5, y=0; (c)x=8, y=0; (d)x=10, y=0; (e)x=15, y=0; (f)x=20, y=0
Fig. 5. Correlation between speckle pattern sequences offset 0-20 pixel on y axis in direction of 90° polarization. (a)x=0, y=0; (b)x=0, y=5; (c)x=0, y=8; (d)x=0, y=10; (e)x=0, y=15; (f)x=0, y=20
Fig. 6. Correlation between speckle pattern sequences with x axis and y axis offset 0-20 pixel in direction of 45° polarization. (a)x=0, y=0; (b)x=4, y=4; (c)x=6, y=6; (d)x=7, y=7; (e)x=11, y=11; (f)x=14, y=14
Fig. 7. Correlation between speckle pattern sequences offset 0-60 pixel on x axis in direction of 0° polarization. (a)x=0, y=0; (b)x=15, y=0; (c)x=24, y=0; (d)x=30, y=0; (e)x=51, y=0; (f)x=60, y=0
Fig. 8. Correlation between speckle pattern sequences offset 0-60 pixel on y axis in direction of 90° polarization. (a)x=0, y=0; (b)x=0, y=15; (c)x=0, y=24; (d)x=0, y=30; (e)x=0, y=51; (f)x=0, y=60
Fig. 9. Correlation between speckle pattern sequences with x axis and y axis offset 0-60 pixel in direction of 45° polarization. (a)x=0, y=0; (b)x=11, y=11; (c)x=17, y=17; (d)x=21, y=21; (e)x=35, y=35; (f)x=42, y=42
Fig. 10. Experimental results of face mask: (a) Real face mask; (b1)-(b2) speckle image pairs; (c) relationship between statistical error and N value
Fig. 11. Three-dimensional reconstruction results of real faces.(a1)-(a2) Speckle stereo image pair after human face shape modulation; real three-dimensional face data when (b1) N=3, (b2) N=5, (b3) N=7, (b4) N=9, (b5) N=12
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