Bin Liu, Pengxiang Zhao, Xia Zhao, Lichao Zhang. Enhancement Algorithm of Variable Energy X-Ray Fusion Images[J]. Acta Optica Sinica, 2020, 40(18): 1834001
- Acta Optica Sinica
- Vol. 40, Issue 18, 1834001 (2020)
Fig. 1. Image of pyramid
Fig. 2. Physical drawing of experimental workpiece
Fig. 3. Trans-illumination images under different tube voltages. (a) 50 kV; (b) 70 kV; (c) 90 kV;(d) 100 kV; (e) 120 kV; (f) 140 kV
Fig. 4. Different color gradation map processing results of variable energy fusion image. (a) Display result of grayscale linear mapping; (b) display result of grayscale logarithmic mapping; (c) display result of grayscale gamma correction; (d) display result of partition grayscale mapping
Fig. 5. Enhancement display processing results of high dynamic range image. (a) Original horizontal gradient diagram; (b) enhanced horizontal gradient diagram; (c) original vertical gradient diagram; (d) enhanced vertical gradient diagram
Fig. 6. Enhanced image obtained by proposed method
Fig. 7. Schematic of local trans-illumination partition of target
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Table 1. Quality evaluation of imaging results
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