Research Article

Joint Transfer Extreme Learning Machine with Cross-Domain Mean Approximation and Output Weight Alignment

Table 2

Accuracy of different algorithms on USPS + MNIST and Office + Caltech datasets.

Methods\datasetNontransfer learning algorithmTransfer learning algorithm
1NNSVMELMSSELMTCA1TCA2JDA1JDA2DAELM_SDAELM_TTELM-OWAAELMCdELM-CJTELM

USPS vs. MNIST44.7035.1030.7029.0550.3560.2046.8053.2544.3631.0859.5541.6545.8962.00
MNIST vs. USPS65.9454.6951.3943.2862.2871.4457.8375.9447.1160.3259.3762.8342.5776.39
Average55.3244.9041.0536.1656.3165.8252.3264.6045.7345.7059.4652.2444.2369.20
CA (1)23.7052.4050.6352.9246.1444.7857.9356.7850.2627.8531.7352.4056.2857.30
CW (2)25.7640.6842.7145.4237.9741.6948.4750.8545.4231.8632.2043.7350.9855.59
CD (3)25.4842.0442.0438.8545.8645.2249.6850.3237.5822.9333.1247.7743.8252.86
AC (4)26.0044.0843.0141.7640.6139.3645.6843.1042.8825.2538.8540.1643.1741.85
AW (5)29.8341.6937.6335.9340.0037.9741.0241.3638.3119.3238.6434.9240.7549.49
AD (6)25.4840.7642.6838.8531.8539.4942.0441.4036.9436.3143.3135.6741.7849.68
WC (7)19.8629.9232.2434.2831.2631.1731.4333.3034.2041.9033.4830.5434.4436.60
WA (8)22.9634.1336.8537.0631.9432.7837.3746.0336.4446.4938.0137.1639.5842.28
WD (9)59.2487.9080.2578.9889.1789.1785.9985.9980.8953.5077.0786.6283.0682.17
DC (10)26.2731.4330.1030.3733.3931.5234.9135.2632.3248.0832.5028.6734.4437.49
DA (11)28.5032.3631.5232.0531.2133.0938.9440.4034.3551.2036.2329.5439.5443.63
DW (12)63.3973.5671.8680.0087.4689.4981.6983.0572.8854.2478.6483.7384.3483.73
Average31.3745.9145.1345.5445.5746.3149.6050.6545.2138.2442.8245.9149.3552.72
Total average34.7945.7744.5444.2047.1149.1049.9852.6545.2839.3145.1946.8148.6255.08

Bold values indicate that the value is the best result of the row in which it is located.