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Table 1 The APLR and APHR values for various descriptors with Set B database

From: A modified shape context method for shape based object retrieval

  Avg. precision
Descriptor Recall < =50% Recall >50% Average
BSC 82.65 49.37 66.01
MSC 84.02 49.56 66.79
BSC + GD 84.48 52.85 68.67
MSC + GD 88.83 55.58 72.21
ARTD 82.10 45.69 63.90
MI 79.54 44.50 62.02
ZMD 82.56 45.62 64.09
CSSD 78.61 41.81 60.21