Smart Plus (PHT-35LHS)
Technical Manual
VT-TECH-Smart Plus-001
COPYRIGHT© 2018 VATECH.
1.4. Verifying Bad Pixels and Lines
Bad Pixel Definition
- Dead Pixel: non-responsive pixel (value: 0 or 16384)
- Non-Uniform Response Pixel: the pixel that shows ±30 % response deviation from
neighboring pixel
Bad Line Definition
- Bad Pixels over 50% of effective area and width and height are defined as bad lines (Ex.
When having an effective area of M x N, 1 x M or N x 1 or more is defined as a bad line)
- Total Max. 7 lines
- There must be at least 5 lines of normal pixels between bad lines
Cluster Definition
Continuous bad pixels with 3 x 3 or more in a row (single bad pixels are surrounded by
bad pixels in all directions (up/down/left/right/diagonal))
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