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Official Journal of the Japan Wood Research Society

Fig. 6 | Journal of Wood Science

Fig. 6

From: Evaluation of image partitioning strategies for preserving spatial information of cross-sectional micrographs in automated wood recognition of Fagaceae

Fig. 6

Flattening of differences in feature intensity caused by the position of early- and latewoods by autocorrelation. a, b SIFT keypoints (red dots) belonging to a feature cluster representing vessels in Quercus serrata; c feature intensities of the keypoints of images a and b; d autocorrelation of the feature intensities in c

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