Research on the Image Description Algorithm of Double-Layer LSTM Based on Adaptive Attention Mechanism

Table 4

Comparison with mainstream image captioning algorithm model.

Method name	BLEU-1	BLEU-4	METEOR	ROUGE-L	CIDEr	SPICE
Soft attention	0.707	0.243	0.239	—	—	—
Hard attention	0.717	0.251	0.230	—	—	—
NBT	0.742	0.332	0.265	0.549	1.085	0.204
VD-SAN	0.755	0.299	0.251	—	1.072	0.201
AoANet	0.734	0.322	0.254		0.999	—
ETN	0.802	0.389	0.282	—	1.298	0.224
AAM-TLSTM	0.806	0.392	—	0.589	1.289	0.226
AAM-DLSTM-A	0.750	0.331	0.268	0.548	1.089	0.206
AAM-DLSTM-A	0.749	0.328	0.266	0.547	1.090	0.204
AAM-DLSTM	0.751	0.329	0.267	0.550	1.091	0.208