Official Journal of the Japan Wood Research Society
Table 4 Twenty codewords with the highest IDF and their corresponding anatomical elements, and the average number of SIFT keypoints belonging to each codeword by species
Codeword number | IDF value | Feature type | Anatomical elements | Cluster | Average number of SIFT keypoints in the codeword | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CC | CJ | LN | LG | LU | LC | MJ | MT | ST | |||||
751 | 0.180 | c | ap | I | 10.1 | 3.5 | 0.6 | 0.8 | 0.7 | 3.2 | 2.3 | 5.3 | 7.6 |
820 | 0.137 | c | ap | I | 3.1 | 3.0 | 1.3 | 0.9 | 2.1 | 2.8 | 1.8 | 3.1 | 10.9 |
313 | 0.120 | c | v | IV | 3.6 | 3.5 | 4.1 | 11.1 | 2.6 | 4.8 | 5.8 | 4.7 | 2.9 |
878 | 0.114 | c | ap | I | 4.5 | 4.0 | 3.9 | 1.6 | 1.9 | 4.5 | 2.7 | 4.5 | 17.5 |
847 | 0.109 | c | General | III | 20.0 | 12.2 | 4.4 | 1.4 | 1.3 | 8.7 | 4.9 | 14.9 | 21.8 |
923 | 0.097 | c | ap | I | 3.3 | 2.9 | 4.4 | 13.6 | 3.9 | 4.9 | 4.7 | 4.6 | 1.9 |
332 | 0.089 | b | General | III | 4.3 | 3.1 | 9.9 | 17.3 | 8.4 | 7.0 | 4.2 | 6.1 | 4.4 |
682 | 0.089 | c | r | I | 4.0 | 3.5 | 21.6 | 9.0 | 9.6 | 14.2 | 2.1 | 5.9 | 8.7 |
850 | 0.086 | c | v | IV | 8.9 | 6.8 | 1.9 | 0.8 | 1.3 | 5.4 | 2.9 | 6.1 | 23.1 |
294 | 0.086 | c | ap | I | 39.2 | 9.9 | 1.9 | 2.1 | 2.0 | 9.5 | 7.0 | 16.1 | 22.3 |
760 | 0.083 | c | wf | II | 2.7 | 2.8 | 13.1 | 5.3 | 5.5 | 8.6 | 2.6 | 4.7 | 4.3 |
518 | 0.080 | c | General | III | 4.3 | 4.3 | 7.9 | 32.8 | 7.4 | 5.8 | 4.8 | 4.6 | 1.6 |
619 | 0.075 | c | General | III | 5.0 | 6.2 | 6.4 | 2.4 | 3.5 | 6.6 | 4.3 | 6.7 | 11.6 |
948 | 0.075 | c | General | III | 15.7 | 15.7 | 1.7 | 1.3 | 1.0 | 6.1 | 5.6 | 15.2 | 19.9 |
225 | 0.073 | b | r, ap | V | 8.1 | 7.1 | 7.1 | 42.1 | 7.0 | 7.6 | 10.5 | 5.4 | 2.8 |
890 | 0.070 | c | r | I | 5.3 | 4.5 | 46.9 | 47.0 | 7.1 | 18.1 | 3.1 | 8.5 | 9.9 |
293 | 0.067 | c | General | III | 18.8 | 12.3 | 2.6 | 3.4 | 1.5 | 7.7 | 5.9 | 12.0 | 10.6 |
151 | 0.064 | b | v | V | 31.2 | 19.9 | 26.9 | 1.3 | 6.0 | 9.2 | 0.8 | 40.7 | 59.6 |
809 | 0.064 | c | ra | II | 10.4 | 6.2 | 5.0 | 9.4 | 5.6 | 5.8 | 2.5 | 7.9 | 5.4 |
635 | 0.062 | c | r | I | 54.0 | 170.3 | 156.4 | 0.2 | 29.8 | 27.5 | 2.7 | 94.3 | 70.4 |