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Table 3 Distance values of the matching process between 10 thumbnails (query images) and their corresponding DC-images. The thumbnail size was 64 × 64 pixels

From: A secure online image trading system for untrusted cloud environments

  Thumbnails (queries)
Image 1 Image 2 Image 3 Image 4 Image 5 Image 6 Image 7 Image 8 Image 9 Image 10
DC images
Image 1 0.0308 26.1828 12.3192 9.5167 21.0654 6.7512 28.1004 44.6903 9.1557 45.9784
Image 2 26.1424 0.0457 13.8484 19.9118 10.9063 23.1223 5.0284 18.5409 17.5827 19.8290
Image 3 12.2702 13.9234 0.0435 8.9586 8.9877 14.1178 15.8231 32.4131 4.6868 33.7012
Image 4 9.5371 19.8877 8.9650 0.0299 12.5154 10.2579 19.3329 35.1462 7.2646 36.4344
Image 5 21.0848 10.8786 8.9820 12.5459 0.0272 19.6494 7.6424 23.5985 12.5251 24.9530
Image 6 6.7220 23.1509 14.1523 10.2408 19.6186 0.0223 25.0684 41.6584 12.2429 42.9465
Image 7 28.2207 5.1106 15.9084 19.5040 7.6054 25.2006 0.1466 16.4626 19.6610 17.7508
Image 8 44.8671 18.6913 32.5548 35.3574 23.8087 41.8470 16.7737 0.1949 36.3074 5.6874
Image 9 9.1404 17.6111 4.6870 7.2635 12.4937 12.2450 19.5287 36.1186 0.0249 37.4068
Image 10 45.9559 19.7801 33.6437 36.4462 24.9648 42.9359 17.8626 5.6818 37.3962 0.0155