Hongtao Zhang, Yan Chang, Lian Tan, Zhenyu Pei, Dewei Li. Three-Dimensional Reconstruction of Wheat Grain Images Based on z -axis Weight[J]. Acta Optica Sinica, 2019, 39(3): 0310001
- Acta Optica Sinica
- Vol. 39, Issue 3, 0310001 (2019)
Fig. 1. Wheat grain projection data for different infestation periods. (a) Egg stage; (b) young larval stage; (c) old larval stage
Fig. 2. Structural of cone beam circumferential scanning
Fig. 3. Schematic of Radon data missing for circular trajectory scanning
Fig. 4. Schematic of conjugate ray
Fig. 5. Reconstruction results at x=0 mm. (a) Head model; (b) FDK algorithm; (c) z-FDK algorithm
Fig. 6. Profile curve comparison of reconstructed images at white line position
Fig. 7. Reconstruction results and comparison chart of two algorithms for wheat grain in egg stage. (a) FDK algorithm; (b) z-FDK algorithm; (c) curve comparison at white line position
Fig. 8. Reconstruction results and comparison chart of two algorithms for wheat grain in young larval stage. (a) FDK algorithm; (b) z-FDK algorithm; (c) curve comparison at white line position
Fig. 9. Reconstruction results and comparison chart of two algorithms for wheat grain in advanced larvae. (a) FDK algorithm; (b) z-FDK algorithm; (c) curve comparison at white line position
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Table 1. Specific parameters for collection of wheat grain projection data
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Table 2. Evaluation parameters of reconstruction results
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Table 3. Evaluation parameters of wheat grain reconstruction results
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