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Table 5 Confusion matrix of the presented method for 14 types of targets

From: Two-dimensional bidirectional principal component collaborative projection feature for SAR vehicle target recognition

Type

BMP2 (sn_9563)

BMP2 (sn_9566)

BMP2 (sn_c21)

BTR60

T62

T72 (sn_132)

T72 (sn_812)

T72 (sn_s7)

2S1

BRDM2

BTR70

D7

ZIL131

ZSU23/4

BMP2 (sn_9563)

0.8923

0.0359

0.0256

0.0308

0.0103

0

0.0051

0

0

0

0

0

0

0

BMP2 (sn_9566)

0.0051

0.9592

0.0153

0.0051

0.0102

0

0

0.0051

0

0

0

0

0

0

BMP2 (sn_c21)

0.0255

0.0255

0.9133

0.0051

0.0051

0.0102

0.0102

0

0

0

0

0

0

0

BTR60

0

0

0

1

0

0

0

0

0

0

0

0

0

0

T62

0

0

0

0

1

0

0

0

0

0

0

0

0

0

T72 (sn_132)

0

0

0

0

0.0051

0.9592

0.0153

0.0204

0

0

0

0

0

0

T72 (sn_812)

0

0

0

0

0.0051

0.0051

0.9846

0.0051

0

0

0

0

0

0

T72 (sn_s7)

0

0

0

0

0.0419

0.0157

0.0628

0.8796

0

0

0

0

0

0

2S1

0

0

0

0

0

0.0013

0.0012

0.0011

0.9891

0

0

0

0.0073

0

BRDM2

0

0

0

0

0

0.0054

0.0032

0.0023

0

0.9854

0

0

0

0.0234

BTR70

0.0051

0.0051

0.0051

0.0459

0

0

0

0

0

0

0.9286

0

0.0102

0

D7

0

0

0

0

0

0.0031

0.0021

0.0021

0

0

0

0.9927

0

0

ZIL131

0

0

0

0

0

0.0031

0.0021

0.0021

0

0

0

0

0.9891

0.0036

ZSU23/4

0

0

0

0

0

0.0036

0

0

0

0

0

0

0

0.9964