Image Object Recognition via Deep Feature-Based Adaptive Joint Sparse Representation

Table 6

Training efficiency (s) of different approaches on remote sensing images.

Dimensions	25	50	75	100
SRC	1.2649	1.2901	1.2758	1.2833
AJRC	49.734	58.775	78.598	115.08
D-AJSR(1)	22.437	33.191	50.976	93.049
D-AJSR(4)	24.301	33.721	55.423	95.125
D-AJSR(8)	27.216	37.335	59.520	97.495
D-AJSR(16)	32.846	43.249	63.786	103.30
D-AJSR(32)	43.855	55.201	76.756	118.29
D-AJSR(64)	63.104	72.078	94.864	128.94