Pulnix TMC-1000 Series Uživatelský manuál stáhnout pdf (Strana 10)

Starting Pixel Configuration

All manufacturers produce identical Bayer CFAs, but

there are slight differences between the CCDs produced

by different manufacturers. The first line is generally

R and G, except for the Kodak CCD, which starts with

G. The Sony CCD starts with R. The camera timing can

be adjusted to start with either G or R by skipping the

very first pixels at each lines. The majority of color

interpolation software can select between a variety of

pixel relations, such as R/G start or G/R start, as well

as G/B start and B/G start. Once the correct scanning is

configured, the rest of the interpolation will be exactly

the same.

Please contact JAI PULNiX for further information

regarding CCD manufacturers.

Sync and Data

The individual color data is exactly the same as

the pixel data. This means that the timing relationships

of the color cameras are also the same as of the B/W

cameras.

For a detailed timing chart, please refer to each

B/W camera’s data sheet and manual.

If the frame grabber has a standard B/W

configuration file, then AccuPiXEL color cameras can

use that configuration file to operate. The configuration

file may vary, depending on whether the output is

standard (RS-644) or Camera Link. Please consult JAI

PULNiX, or your frame grabber supplier for compatibility

information.

The following diagram is an example of the

TMC-1020-15 (same as TM-1020-15).

It is important to meet the exact starting pixel at

LDV and the starting line of FDV. If the starting pixel or

line is shifted due to the image capture configuration,

then the interpolation software can be adjusted for

the correct starting point. In figure A, if the first pixel

is shifted (missed), the color interpolation should

start with R-G. If the first line is missed in A, the

interpolation order will be B-G.

Ext. HD

LDV

Video

(analog)

Ext. VD

FDV

Video

63.5 µs

(1270n)

66.68 ms

(1050H)

1008n262n

1n=50 ns

1018H

1018H (active lines)

32H

1000n active pixels

1H = 63.5µsec.

20n 76n

Pixel 1

Last pixel of 1st Line

Last pixel

Horizontal Shift Registers

CCD Output

Pixel 1

Last pixel of 1st Line

Last pixel

Horizontal Shift Registers

CCD Output

G G G

G G

G G G G G G

R R R R R

R R R R R R

B B B B B B

KODAK CCD

SONY CCD

Fig. B

Pixel 1

Last pixel of 1st Line

Last pixel

Horizontal Shift Registers

CCD Output

Pixel 1

Last pixel of 1st Line

Last pixel

Horizontal Shift Registers

CCD Output

G G G

G G

G G G

G G

G G G G G G

R R R R R

R R R R R R

R R R R R

R R R R R R

B B B B B B

KODAK CCD

SONY CCD

Fig. A

1 2 ... 5 6 7 8 9 10 11 12

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