Image Fusion Algorithm of Waterjet-Assisted Laser Processing Features Based on Retinex Dehazing Algorithm

Ying Li; Xinyue Li; Jiaqi Wang; Jinkai Xu; Huadong Yu

doi:10.3788/CJL230985

Chinese Journal of Lasers, Volume. 50, Issue 24, 2402201(2023)

Image Fusion Algorithm of Waterjet-Assisted Laser Processing Features Based on Retinex Dehazing Algorithm

Ying Li^1,2、*, Xinyue Li^1,2, Jiaqi Wang^2、**, Jinkai Xu², and Huadong Yu^2,3

Author Affiliations

¹School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin, China

²Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, Jilin, China

³School of Mechanical and Aerospace Engineering, Jilin University, Changchun 130025, Jilin, China

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Figures & Tables(12)

Fig. 1. Flow chart of fusion algorithm

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Fig. 2. Waterjet-assisted laser processing experimental setup

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Fig. 3. Quality comparison of source images under different parameters. (a) Waterjet nozzle diameter; (b) waterjet inclination angle

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Fig. 4. Surface images of samples captured under waterjet environment. (a) Surface detail is covered by tiny bubbles; (b) blurred surface

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Fig. 5. Source image captured under waterjet environment and the corresponding image processed by the algorithm. (a) Source image; (b) processed image

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Fig. 6. Images captured under different nozzle diameters (0.4, 0.8 and 1.2 mm). (a₁)‒(a₃) Source images; (b₁)‒(b₃) images processed by the algorithm

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Fig. 7. Quality comparison of algorithm processed images under different parameters. (a) Evaluation metrics of algorithm processed images in air environment and under different nozzle diameters; (b) quality of algorithm processed images at different nozzle diameters

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Fig. 8. Images under different waterjet inclination angles (30°, 45° and 60°). (a₁)‒(a₃) Source images; (b₁)‒(b₃) images processed by the algorithm

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Fig. 9. Quality comparison of the processed images under different parameters. (a) Evaluation metrics of the processed images in air environment and under different inclination angles; (b) quality of processed image at different inclination angles

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Table 1. Parameters of waterjet-assisted system
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Table 1. Parameters of waterjet-assisted system
Parameter Value
Waterjet offset distance /mm 6
Nozzle stand-off distance /mm 6
Water pressure /MPa 0.4
Waterjet nozzle diameter /mm 0.4, 0.8, 1.2
Waterjet inclination angle /（°） 30, 45, 60

Table 2. Quality assessment of the images in Fig. 5
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Table 2. Quality assessment of the images in Fig. 5
Evaluated image SD AG SF
Source image 33.5049 4.5903 7.6883
Processed image 40.2149 5.8574 8.0528

Table 3. Results of algorithm processed images in air and waterjet environments

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Table 3. Results of algorithm processed images in air and waterjet environments

Evaluated image		SD	AG	SF
Air	Source image 1	35.8335	6.1245	10.2699
	Source image 2	36.8607	7.0818	12.1435
	Source image 3	37.4372	8.2175	14.3567
	Processed image	47.5581	14.9499	28.5028
Waterjet	Source image 1	29.9278	4.7981	7.8360
	Source image 2	30.4720	4.9136	8.0306
	Source image 3	30.3592	5.1503	8.5109
	Processed image	45.3755	10.7462	19.1793

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Ying Li, Xinyue Li, Jiaqi Wang, Jinkai Xu, Huadong Yu. Image Fusion Algorithm of Waterjet-Assisted Laser Processing Features Based on Retinex Dehazing Algorithm[J]. Chinese Journal of Lasers, 2023, 50(24): 2402201

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