Author Affiliations
1 School of Mechanical Engineering, Hebei University of Technology, Tianjin 300130, China2 State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, Chinashow less
Fig. 1. Flowchart of the proposed method
Fig. 2. Flat board and profile of projected red, green, blue fringe patterns on the board. (a) Flat board; (b) red fringe; (c) green fringe; (d) blue fringe
Fig. 3. Schematic diagram of adaptive fringe projection system
Fig. 4. Adaptive fringe projection measurement system
Fig. 5. Measurement results for the color chessboard with the different methods. (a)-(c) Captured red fringe pattern, and its absolute phase map and depth data; (d)-(f) captured green fringe pattern, and its absolute phase map and depth data; (g)-(i) captured blue fringe pattern, and its absolute phase map and depth data; (j)-(l) captured adapted fringe pattern by Ref. [12] method, and its absolute phase map and depth data; (m)-(o) captured adapted fringe pattern by Ref. [14] method, its absolute phase
Fig. 6. Measurement results for color chessboard with the proposed method. (a) Color chessboard projected red, green, blue uniform bright images; (b) projected adapted fringe pattern; (c) captured adapted fringe pattern; (d)-(g) red, green, blue channel and complete absolute phase maps; (h) depth data
Fig. 7. Measurement results for color plaster model with the proposed method. (a) Color plaster model and projected red, green, blue uniform bright images; (b) projected adapted fringe pattern; (c) captured adapted fringe pattern; (d) profile along a row; (e)-(h) red, green, blue and complete absolute phase map; (i) depth data
Method | Number ofcaptured images | MeanRMSE /mm |
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Proposed method | 27 + 12 | 0.025 | Method of Ref.[12] | 33 + 12 | 0.048 | Method of Ref.[14] | 48 + 12 | 0.036 | Traditional method | 12 | 4.035 |
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Table 1. Comparison of experimental results between the proposed and existing methods