Three-Dimensional Reconstruction Method Based on Smartphone Imaging

Zhaopeng Zeng; Jiangle Zhang; Zhishang Wei; Jun Wu; Fangping Chen

doi:10.3788/LOP55.111502

Journals >Laser & Optoelectronics Progress >Volume 55 >Issue 11 >Page 111502 > Article

Laser & Optoelectronics Progress
Vol. 55, Issue 11, 111502 (2018)

Three-Dimensional Reconstruction Method Based on Smartphone Imaging

Zhaopeng Zeng¹, Jiangle Zhang¹, Zhishang Wei¹, Jun Wu^1、*, and Fangping Chen²

Author Affiliations

¹ Aviation Engineering Institute, Civil Aviation University of China, Tianjin 300300, China

² School of Computer Science and Technology, Civil Aviation University of China, Tianjin 300300, China

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DOI: 10.3788/LOP55.111502 Cite this Article Set citation alerts

Zhaopeng Zeng, Jiangle Zhang, Zhishang Wei, Jun Wu, Fangping Chen. Three-Dimensional Reconstruction Method Based on Smartphone Imaging[J]. Laser & Optoelectronics Progress, 2018, 55(11): 111502 Copy Citation Text

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Fig. 1. Flow chart of three-dimensional reconstruction algorithm

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Fig. 2. Calibration residual diagram. (a) Smartphone camera; (b) left camera of industrial camera; (c) right camera of industrial camera

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Fig. 3. Checkerboard calibration plate (dimensions: 63 mm×63 mm)

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Fig. 4. Image captured. (a) Smartphone camera; (b) industrial camera

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Fig. 5. Three-dimensional reconstruction results. (a) Smartphone camera; (b) industrial camera

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Fig. 6. Image with reference points

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Camera type		Camera parameter
Camera type		Internal reference matrix	Radial distortion	Tangential distortion
Smartphone camera		$\begin{matrix} [\begin{matrix} 3387.179 & 0 & 0 \\ 2.064 & 3390.172 & 0 \\ 1908.387 & 1518.184 & 1 \end{matrix}] \end{matrix}$	$\begin{matrix} [\begin{matrix} 0.3421 & - 1.8547 & 0.5462 \end{matrix}] \end{matrix}$	$\begin{matrix} [\begin{matrix} - 0.0133 & - 0.0086 \end{matrix}] \end{matrix}$
Industrialcamera	Leftcamera	$\begin{matrix} [\begin{matrix} 7344.064 & 0 & 0 \\ - 0.176 & 7394.558 & 0 \\ 1254.329 & 1134.072 & 1 \end{matrix}] \end{matrix}$	$\begin{matrix} [\begin{matrix} 0.0384 & - 0.0250 & - 0.0587 \end{matrix}] \end{matrix}$	$\begin{matrix} [\begin{matrix} 0.0011 & 0.0008 \end{matrix}] \end{matrix}$
Industrialcamera	Rightcamera	$\begin{matrix} [\begin{matrix} 7289.634 & 0 & 0 \\ - 2.678 & 7197.657 & 0 \\ 1254.305 & 1256.903 & 1 \end{matrix}] \end{matrix}$	$\begin{matrix} [\begin{matrix} 0.0412 & - 0.0213 & - 0.0637 \end{matrix}] \end{matrix}$	$\begin{matrix} [\begin{matrix} 0.0017 & 0.0012 \end{matrix}] \end{matrix}$

Table 1. Camera parameters

Image		Originalimage /mm	After featureenhancement /mm	Medianfilter /mm
Smartphonecamera	Location 1	22.0182	22.0517	22.1054
Smartphonecamera	Location 2	22.1573	22.2186	22.2961
Industrialcamera	Left	24.4737	24.5019	24.5873
Industrialcamera	Right	24.3971	24.5341	24.5931

Table 2. Signal-to-noise ratio of images before and after pretreatment

Device name	Average of pointcloud distance /mm	Average of pointactual distance /mm	Scalefactor s
Smartphone camera	0.625	10.00	0.0625
Industrial camera	0.690	10.00	0.0690

Table 3. Distance of adjacent data points

Object to bereconstructed	Coordinate ofthe point cloud	Point clouddistance /mm	Calculatedistance /mm	Measuringdistance /mm	Absoluteerror /mm	Relativeerror /%
A	(0.66,3.25,16)	3.96	63.42	62.68	0.74	1.18
B	(-0.63,0.70,17.14)	5.07	81.09	80.18	0.91	1.13
C	(5.54,-1.89,17.54)
D	(7.39,-1.51,13.78)	0.68	10.90	10.32	0.58	5.63
E	(7.84,-1.55,14.29)	4.44	71.00	70.00	1.00	1.43
F	(7.45,2.78,15.18)	0.69	10.99	10.52	0.47	4.51
G	(7.44,3.42,15.43)
H	(5.59,3.34,16.92)	4.93	78.91	80.20	-1.29	-1.61
A	(0.66,3.25,16.81)
Absoluteaverage					0.83	2.58

Table 4. Coordinates, dimensions, and errors of smartphone camera reconstruction

Object to bereconstructed	Coordinate ofthe point cloud	Point clouddistance /mm	Calculatedistance /mm	Measuringdistance /mm	Absoluteerror /mm	Relativeerror /%
A	(0.44,1.54,8.33)	4.35	62.98	62.68	0.30	0.40
B	(3.49,-0.77,10.39)	5.55	80.39	80.18	0.21	0.27
C	(7.88,-3.96,11.54)
D	(7.91,-3.98,11.64)	0.75	10.93	10.32	0.61	5.89
E	(8.21,-4.03,10.95)	4.86	70.41	70.00	0.41	0.58
F	(4.19,-1.41,10.19)	0.67	9.74	10.52	-0.78	7.44
G	(3.91,-1.38,10.80)
H	(3.41,4.69,11.68)	5.47	79.34	80.20	-0.86	-1.08
A	(0.44,1.54,8.33)
Absoluteaverage					0.53	2.62

Table 5. Coordinates, dimensions, and errors of industrial camera reconstruction

Shooting distance /cm	Reconstruction accuracy /mm
15	0.82
20	0.83
25	0.83
30	0.85

Table 6. Reconstruction accuracy at different shooting distances

Zhaopeng Zeng, Jiangle Zhang, Zhishang Wei, Jun Wu, Fangping Chen. Three-Dimensional Reconstruction Method Based on Smartphone Imaging[J]. Laser & Optoelectronics Progress, 2018, 55(11): 111502

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