Chapter 3 Image Functions3.1Overview of the image functions

The image functions of this scanner are summarized in Table 3.1 and Table 3.2.

Table 3.1 Image functions

 

 

 

 

 

 

Selectable parameters

Section No. and Image function

 

 

 

 

No IPC

with IPC-2D

With IPC-3D

 

 

 

 

 

option

option

option

3.2.1 Output resolution

 

 

100/150/200/240/300/400/600 dpi

3.2.2 Main Window

 

 

(1) Offset and size

See section 3.3.2 (1)

 

clipping

 

 

(2) Page end detection

ON/OFF

 

 

 

 

 

 

 

 

Density

 

 

 

3.2.3 Binary reading

 

 

Contrast

 

 

 

 

 

 

 

 

White level following ON/OFF

 

3.2.4 Halftone reading

 

(1) Dither

Four built-in patterns

 

 

 

 

 

 

 

 

(2) Error diffusion

ON/OFF

 

 

 

 

 

 

 

 

 

 

3.2.5 Grayscale reading

 

 

Contrast

 

 

 

3.2.6 Compression

 

 

 

MH/MR/MMR

 

 

 

(1)

Pre-filter

N/A

Ordinary/Ball-point Pen

 

 

(2)

Gradation

N/A

High Contrast

Ignored *3

3.3.1 DTC

 

 

 

 

 

/Ordinary

 

 

(3)

Dynamic threshold curve

N/A

8 types

8 steps

mode

 

 

 

 

 

 

(Darkness)

(Sensitivity) *2

*1 *2

 

 

 

 

 

 

(4)

Equal to white

N/A

ON/OFF

 

 

 

 

 

 

(5)

Noise Removal

N/A

OFF / 2x2 / 3x3 / 4x4 / 5x5

 

 

(6)

Smoothing

N/A

Image/OCR

 

 

 

Simplified Dynamic Threshold

N/A

7 steps

7 steps

 

 

 

*2 *5

 

(variance rate)

(Sensitivity) *4

 

 

IPC-2 like Simplified Dynamic

N/A

N/A

7 steps

 

 

Threshold *5

 

 

 

(Sensitivity)

 

 

 

 

 

 

 

 

High/Mid/Low

3.3.2 IPC mode

 

(1)

Image Emphasis

N/A

High/Mid/Low

 

*1

 

Image Emphasis (smooth)

N/A

Smooth

Background

 

 

 

 

 

 

 

 

Removal *7

 

 

(2)

Outline Extraction

N/A

ON/OFF

 

 

 

(3)

Automatic Separation

N/A

ON/OFF *6

 

 

 

(4)

Mirror image

N/A

ON/OFF

 

 

 

 

 

 

 

 

 

 

 

(5)

Black and White reverse

N/A

ON/OFF

 

3.3.3 Sub window

 

 

 

N/A

Max. 4

 

Ignored *8

3.3.4 Zooming

 

 

 

N/A

See Table 2.4

 

3.3.5 Dither downloading

N/A

Max. 8 patterns

 

3.3.6 Gamma downloading

N/A

Max. 5 patterns

 

*1 DTC and IPC mode functions are exclusive.

 

 

 

 

*2 In IPC-3D, DTC and IPC mode Simplified DTC use the same algorithm. *3 In IPC-3D, The Gradation parameter is ignored.

3-1