Fig. 2From: Evaluation of image partitioning strategies for preserving spatial information of cross-sectional micrographs in automated wood recognition of FagaceaeImage partitioning strategies based on the SPM kernel. a Cross-sectional micrograph of Quercus acutissima; b conventional SPM kernel; c, d modified SPMs that partition the image into radial (c) and tangential (d) directions; e image partitioning scheme of SPMBack to article page