[Retracted] Systematic Risk Analysis of Semiconductor Global Market Based on Deep Feature Fusion K-Means Algorithm

Table 1

Dataset retrieval results.

Characteristic dimension	VLAD	Fisher vector	Neural codes	MOP-CNN	OR-fused	Object feature pooling	Proposed
32	48.4	48.6	68.3	—	—	74.0	76.6
64	52.3	52.0	72.9	-	—	80.7	81.4
128	55.7	56.5	78.9	—	—	85.1	87.5
256	—	—	74.9	—	—	87.8	91.4
512	59.8	61.0	74.9	—	82.8	88.5	92.0
1024	—	—	—	—	83.7	86.6	89.0
2048	62.1	62.6	-	80.2	83.7	85.9	89.7
4096	55.6	59.5	79.3	78.9	—	85.9	89.7