Able, Ection, Mage – MagTek Excella Windows API99875313 User Manual
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Section 4. Key-Value Pairs
47
Table 4-4a. Section = ImageOptions (Optional)
Key
Key Description
Value
Value Description
JPEGQC*
Compression quality number for
color images
Numeric
string
Quality number for color images.
The valid range is 1-100.
JPEGQG*
Compression quality number for
grayscale images
Numeric
string
Quality number for grayscale
images. The valid range is 1-100.
* The default value for this key is 50. Changing the default value of this key affects the image
quality and size of a JPEG file.
*For higher quality images, set the value of this key to a higher number. The file size also
increases when the quality number increases. This key is supported by Excella STX only.
Table 4-5 lists the current valid combination of ImageColor, Resolution, Compression, and
FileType.
Table 4-5. Possible Combination Values for Image Options
ImageColor
Resolution
Compression
FileType
B/W
200x200
NONE
TIFF
B/W
200x200
GROUP4
TIFF
GRAY8
100x100
JPEG
JPG
GRAY8
200x200
JPEG
JPG
GRAY8
100x100
NONE
BMP
GRAY8
200x200
NONE
BMP
Example for setting up ImageOptions key-value pairs to obtain 4 Images
In the following example we are requesting four images:
1. Gray scale with resolution 100x100 for the FRONT of the document
2. Gray scale with resolution 100x100 for the BACK of the document
3. BW for the FRONT of the document
4. BW for the BACK of the document
Table 4-6. Example for Section ImageOptions – 1 through 4
Number
4
ImageColor1
GRAY8
Resolution1
100x100
Compression1
JPEG
FileType1
JPG
ImageSide1
FRONT
ImageColor2
GRAY8
Resolution2
100x100
Compression2
JPEG
FileType2
JPG
ImageSide2
BACK
ImageColor3
BW
Resolution3
200x200