Multilayer Convolutional Feature Aggregation Algorithm for Image Retrieval

Table 4

mAP values of different combinations of two layers in the fine-tuning model on the two datasets.

	Pool4+Pool5			Pool3+Pool4			Pool3+Pool5
Dimension	1024	512	256	768	512	256	768	512	256
Oxford5k+ML-CroW	77.3	67.5	61.4	67.0	61.3	46.7	76.4	70.9	46.0
Oxford5k+ML-RCroW	79.5	78.0	74.1	69.9	68.4	63.3	78.7	78.1	74.8
Paris6k+ML-CroW	82.1	75.5	73.9	75.2	73.7	64.7	80.9	78.2	60.6
Paris6k+ML-RCroW	83.5	82.2	80.0	78.2	78.6	77.1	82.3	82.1	80.1