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Table 3 The first group of experiment accuracy with longitudinal direction

From: Pavement crack characteristic detection based on sparse representation

The first group

Direction

The true position(mm)

The detected position(mm)

The true width(mm)

The detected width(mm)

Indication Error(mm)

1

Longitudinal

449

449

4

4.2856

0.2856

2

Longitudinal

430

430

4

4.2593

0.2593

3

Longitudinal

393

393

6

5.7726

−0.2274

4

Longitudinal

298

298

6

5.6775

−0.3225

5

Longitudinal

270

270

8

8.9032

0.9032

6

Longitudinal

228

228

8

8.2566

0.2566

7

Longitudinal

193

193

8

8.1504

0.1504

8

Longitudinal

180

180

6

6.2302

0.2302

9

Longitudinal

234

234

6

5.8847

−0.1153

10

Longitudinal

231

231

6

5.7726

−0.2274