Image Functions

(5)Noise Removal

[A.4.7 SET WINDOW command / DTC mode]

Noise Removal reduces the isolated spot noise after Dynamic Threshold. If the image is noisy. Turn on the Noise Removal and set the granularity to the size of noise to be removed. The parameter of Noise Removal is as follows.

 

Table 3.11

Parameter of Noise Removal

 

Parameter

Value

Effect

Default

 

 

 

 

OFF

B’001xxxxx’

Noise Removal is not done

 

2x2

B’0000001x’

2x2 or smaller dot is removed

OFF

3x3

B’0000010x’

3x3 or smaller dot is removed

 

4x4

B’0000100x’

4x4 or smaller dot is removed

 

5x5

B’0001000x’

5x5 or smaller dot is removed

 

 

 

 

 

NOTICE: In IPC-3D, Noise Removal is ignored when the OCR smoothing is ON.

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