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Table 1 The average errors of CPS quantification

From: 2D electrophoresis image brightness correction based on gradient interval histogram

Experiment number

CPS number

Original image pair

Top-hat corrected image pair

Retinex corrected image pair

Polynomial corrected image pair

CLAHE corrected image pair

GIHM corrected image pair

1

578

12.986%

6.758%

3.020%

4.579%

3.480%

2.334%

2

1074

11.367%

6.548%

2.518%

4.154%

5.102%

2.039%

3

407

6.117%

2.640%

1.924%

5.061%

3.321%

2.159%

4

813

9.743%

4.092%

2.057%

3.305%

3.771%

2.625%

5

792

9.058%

4.732%

2.730%

3.966%

2.493%

1.706%