Table 3.

Retrieval results on images of Opioid drug label

	P @k						R @k
Methods	k = 1	k = 2	k = 3	k = 4	k = 5	k = 6	k = 1	k = 2	k = 3	k = 4	k = 5	k = 6
Image-based	0.650	0.540	0.453	0.395	0.342	0.302	0.193	0.320	0.404	0.469	0.507	0.537
Levenshtein with text	0.580	0.495	0.407	0.340	0.298	0.263	0.172	0.294	0.362	0.404	0.442	0.469
Embedding of text	0.800	0.665	0.560	0.495	0.436	0.388	0.237	0.395	0.499	0.588	0.647	0.691
0.5 * Image + 0.5 * Text embedding †	0.88	0.755	0.633	0.568	0.510	0.460	0.261	0.448	0.564	0.674	0.757	0.819
Improvement*	35%	40%	40%	44%	49%	52%	35%	40%	40%	44%	49%	52%