- SS-HQ1 Application Notes -
Ver.1.0.0 January 7, 2005
158
11.2.3. Static detection and compensation function
Description of operations
Detection operation
A blemish is recognized by static detection, when a target pixel is more than a fixed level to a black level, while
the CCD is shielded from light. The following diagram presents an overview of the static detection operation.
Fig 11.2-2 Static detection operation
Compensation operation
Blemish pixels are corrected by replacing them with the average value of two pixels of the same color filter
which are adjacent in the horizontal direction.
* The results of blemish detection and compensation appear in Table 11.2-6 Parameters for storing blemish
detection results”.
Blemish Level
Blemish Pixel and
Circumference Pixel Image
Blemish Level > DETREFL/M
Detect
Blemish Level < DETREFL/M
Blemish Level
DETREFL/M
DETREFL/M
Not Detect
Blemish Pixel
Black Level