Cxdi Image Processing - Canon CXDI-60G Service Manual

4 CXDI Image Processing

4.1 Proccess Flow
4.2 Image Types
(1) BORN IMAGE
The image obtained with LANMIT before any correction is made.
Outside distribution of these images is prohibited, including dtstore images.
(2) RAW IMAGE
Born image after offset processing, gain correction.
This is the image with LANMIT specific characteristics corrected.
(3) ORIGINAL IMAGE
Raw image after preprocessing.
(4) QA IMAGE
Original image after gradation processing, sharpening, and other processing.
The CXDI performs image processing up to this point.
(5) DIAGNOSIS IMAGE
QA image after further image processing necessary for diagnosis.
Image processed by the user for diagnostic purposes.
(6) PROCESSED IMAGE
Diagnosis image after post-processing.
Image modified by the user or the default processed image.
1. General
Born image
Correction
processing
Raw image
Original image
QA processing
QA image
DICOM output
Diagnosis image
Processed image
4
Offset correction
Gain correction
Defect correction
dtstore
Characteristic extraction
• Sensitivity correction
• Sharpening
• DEP
• Gradation processing
• MTF enhancement
(Frequency enhancement)
• Grid stripe reduction
• High density clipping
request