Table 2.

Retrieval results on mixed images of Opioid and Non-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	0.630	0.535	0.470	0.413	0.346	0.297	0.152	0.258	0.340	0.398	0.417	0.429
Levenshtein with text	0.480	0.550	0.480	0.425	0.376	0.333	0.116	0.265	0.347	0.410	0.453	0.482
Embedding of text	0.800	0.720	0.640	0.565	0.478	0.405	0.193	0.347	0.463	0.545	0.576	0.586
0.5 * Image + 0.5 * Text embedding †	0.800	0.725	0.640	0.570	0.480	0.410	0.193	0.349	0.463	0.549	0.578	0.593
Improvement*	27%	32%	33%	34%	28%	23%	27%	32%	33%	34%	28%	23%