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![[Figure 2]](nb5400fig2mag.jpg)
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Figure 2
Seed (top row) and regional (bottom row) indexing for fwd-DCT illustrated by an example for indexing orientations in a cubic crystal. (a) The fundamental orientation space is discretized to 262144 orientations with an average distance of 2°; (b) plot of locally sampled orientations (Ncandidate × Nlocal_OR = 500 × 1001 = 500500) in axis–angle space with one clustered cloud representing one local orientation set as shown by a zoomed-in example in (c) colored by the corresponding completeness; (d) plot of Cmax within each local orientation set as a function of the misorientation angle with respect to the final indexed orientation, which ultimately gives a final highest completeness Cfinal = 0.83; (e) a 3D region containing the seeding voxel i showing accepted (colored by different degrees of yellow representing different local orientations) and rejected (colored red) indexing using the orientations around the seed orientation; (f) histogram of the misorientations between the list of 126 orientations and the seeding orientation with a maximum distance of 0.4° and a mean distance of 0.27°; (g) a reconstructed iron grain colored by inverse pole figure along Z (IPF-Z) and (h) its intragranular misorientations showing higher misorientations on the left side. |
![[Figure 2]](nb5400fig2.jpg)
 | JOURNAL OF APPLIED CRYSTALLOGRAPHY |
ISSN: 1600-5767
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