A new approach for real-time imaging from laser beam to complex targets

Yushuang Zhang; Rui Wang; Hua Su; Feizhou Zhang; Xiaogang Xie

doi:10.11884/HPLPB202335.230063

Journals >High Power Laser and Particle Beams >Volume 35 >Issue 10 >Page 101004 > Article

High Power Laser and Particle Beams
Vol. 35, Issue 10, 101004 (2023)

A new approach for real-time imaging from laser beam to complex targets

Yushuang Zhang¹, Rui Wang^2、*, Hua Su¹, Feizhou Zhang¹, and Xiaogang Xie¹

Author Affiliations

¹Institute of Applied Physics and Computational Mathematics, Beijing 100094, China

²Beijing Mana VR Co., Ltd , Beijing 100094, China

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DOI: 10.11884/HPLPB202335.230063 Cite this Article

Yushuang Zhang, Rui Wang, Hua Su, Feizhou Zhang, Xiaogang Xie. A new approach for real-time imaging from laser beam to complex targets[J]. High Power Laser and Particle Beams, 2023, 35(10): 101004 Copy Citation Text

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Fig. 1. Flow chart of proposed algorithm

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Fig. 2. Illustration of orthographic projection

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Fig. 3. Simulation of light irradiation on parallel planes

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Fig. 4. Illustration of multipoint projection

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Fig. 5. Screenshot of test model

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Fig. 6. Screenshot of three-beam mapping display

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Fig. 7. Coordinate point cloud of illuminated triangular patch

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No.	name	description	data type
1	lightPos	light position	input/vec3
2	lightDir	light direction	input/vec3
3	lightUp	light waggling direction	Input/vec3
4	lightSize	light size	input/vec2
5	lightDataW	width of light data	Input/int
6	lightDataH	height of light data	input/int
7	lightID	light ID	input/int
8	lightMaxAttenuation	the farthest distance the light source can reach	input/double
9	lightData	light data	input/W*H
10	lightSpaceImage	rendering results in the light source spatial coordinate system	output/numerical matrix

Table 1. Description of input and output about light source class

part name	x/m	y/m	z/m	x/m	y/m	z/m	x/m	y/m	z/m	x/m	y/m	z/m	energy/ (μW·m⁻²)
part name	first vertex			second vertex			third vertex			identity normal of a triangle			energy/ (μW·m⁻²)
cylinder1	0.1736	0.12	0.9848	0.0872	0.12	0.9962	0.0872	0.00	0.9962	0.1305	0.00	0.9914	132867.00
cylinder1	0.0872	0.12	0.9962	0.0000	0.00	1.0000	0.0872	0.00	0.9962	0.0436	0.00	0.9990	132867.00
box4	0.0500	0.20	2.0800	0.0500	0.20	2.2000	0.0500	0.00	2.2000	1.0000	0.00	0.0000	111684.00
box4	0.0000	0.20	2.2000	0.0000	0.00	2.2000	0.0500	0.00	2.2000	0.0000	0.00	1.0000	111684.00
box4	−0.0500	0.20	2.2000	−0.0500	0.00	2.2000	0.0000	0.00	2.2000	0.0000	0.00	1.0000	16894.30
cylinder1	0.0872	0.48	0.9962	0.0000	0.48	1.0000	0.0000	0.36	1.0000	0.0436	0.00	0.9990	14565.00
cylinder1	0.0000	0.48	1.0000	−0.0872	0.36	0.9962	0.0000	0.36	1.0000	−0.0436	0.00	0.9990	14565.00
box4	−0.0500	0.20	2.0800	−0.0500	0.00	2.0800	−0.0500	0.00	2.2000	−1.0000	0.00	0.0000	14203.50
box4	0.0000	−0.20	2.2000	0.0000	0.00	2.2000	−0.0500	0.00	2.2000	0.0000	0.00	1.0000	14203.50
box4	−0.0500	0.40	2.0800	−0.0500	0.20	2.0800	−0.0500	0.20	2.2000	−1.0000	0.00	0.0000	14148.40

Table 2. Irradiance information on triangular patches

Yushuang Zhang, Rui Wang, Hua Su, Feizhou Zhang, Xiaogang Xie. A new approach for real-time imaging from laser beam to complex targets[J]. High Power Laser and Particle Beams, 2023, 35(10): 101004

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