Lut; Gamma - JAI GO-5000M-PGE-UV User Manual

LUT

This function can be used to convert the input to the desired output characteristics.
The Look-Up Table (LUT) has 32 points for setup in the GO-5000M-PGE-UV. The output level can be
created by multiplying the gain data by the input level.
LUT Enable
Can be selected from OFF, Gamma or LUT table.
LUT Index
This represents the "starting" or "input" pixel value to be modified by the Lookup Table. The
GO-5000M-PGE-UV has a 32-point Lookup Table. Thus, in the GO-5000M-PGE, an index value of 0
represents a full black pixel and a value of 31 represents a full white pixel. The index point values
are automatically scaled to fit the internal pixel format of the camera. This is common for all
output configurations.
LUT value
This is the "adjusted" or "output" pixel value for a given LUT index. It has a range of 0 to 4095 (12
bits) and is automatically scaled to the bit depth of the current output mode (8-bit, 10 bit, or 12-
bit). Linear interpolation is used to calculate LUT values between index points.
*Note: The LUT must have a positive slope, i.e., the value for each index must be greater than the
previous index. If the value for an index is set ≤ one or more previous indexes, those indexes will
be automatically adjusted to maintain a positive slope.
Output Data = Video IN x LUT data

Gamma

This command is used to set gamma 0.45, gamma 0.6 and gamma 1.0 (OFF) in 3 steps.
The gamma value is an approximate value.
Fig. 38 LUT value
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GO-5000M-PGE-UV