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. 2020 May 15;15(5):e0232776. doi: 10.1371/journal.pone.0232776

Table 5. Retrieval accuracy of 1, 3, 5, 7, and 9 CBIR image retrievals with traditional SVM classification and handcrafted features for each 10-fold.

Fold Retrieve 1 Image Retrieve 3 Images Retrieve 5 Images Retrieve 7 Images Retrieve 9 Images
Chebychev Cosine Chebychev Cosine Chebychev Cosine Chebychev Cosine Chebychev Cosine
1 60.87% 69.57% 60.14% 63.77% 60.43% 59.13% 59.63% 59.63% 55.56% 59.90%
2 68.89% 57.78% 59.26% 55.56% 51.56% 56.00% 51.43% 49.21% 47.10% 51.69%
3 50.00% 52.17% 55.07% 62.32% 55.65% 56.09% 53.73% 55.90% 50.97% 52.90%
4 57.78% 66.67% 59.26% 53.33% 57.78% 58.22% 54.60% 54.60% 58.02% 57.78%
5 64.44% 62.22% 62.96% 57.04% 56.89% 53.78% 54.29% 53.33% 56.43% 58.48%
6 55.26% 60.53% 60.53% 61.40% 62.11% 59.47% 64.66% 60.15% 57.31% 59.65%
7 57.89% 57.89% 58.77% 57.89% 58.95% 57.37% 57.89% 56.77% 57.14% 54.89%
8 55.26% 52.63% 63.16% 62.28% 57.89% 55.26% 58.27% 59.02% 59.77% 53.01%
9 65.79% 63.16% 61.40% 64.04% 62.11% 60.53% 59.77% 62.03% 58.65% 59.40%
10 63.04% 67.39% 63.04% 61.59% 59.57% 54.78% 58.07% 53.42% 53.22% 54.97%
Average 59.92% 61.00% 60.36% 59.92% 58.29% 57.06% 57.23% 56.41% 55.42% 56.27%
Standard Deviation 5.19% 5.40% 2.25% 3.34% 2.87% 2.02% 3.45% 3.53% 3.54% 2.83%