Research Article

FGSR: A Fine-Grained Ship Retrieval Dataset and Method in Smart Cities

Table 5

Results with different settings on our proposed dataset. “+” means the concatenation operation, while “All” in the last column indicates that we concatenate all subfeatures to form the ship representation.

RepresentationAll

Rank-175.174.374.986.488.283.590.394.3
Rank-576.276.075.888.690.184.193.495.7
Rank-1080.483.182.190.794.288.396.998.4
mAP73.673.273.583.886.481.588.892.4