FLIR LEPTON® Engineering Datasheet
The information contained herein does not contain technology as defined by the EAR, 15 CFR 772, is publicly available,
and therefore, not subject to EAR. NSR (6/14/2018).
Information on this page is subject to change without notice.
Lepton Engineering Datasheet, Document Number: 500-0659-00-09 Rev: 203
37
• Raw14 (default)
• RGB888
The first mode is appropriate for viewing 14-bit data (AGC disabled), 16-bit TLinear data (AGC disabled,
TLinear enabled), or 8-bit data (AGC enabled) without colorization. The second mode is for viewing data
after application of the colorization look-up table (LUT) to generate 24-bit RGB data. This capability is further
described below. Note that the two output format modes result in different packet sizes for the VoSPI
output data (see VoSPI Protocol page 46). To properly view RGB888 data, the following order of operations
should be followed:
1. Disable telemetry if required (telemetry is not valid in RGB888 mode)
2. Enable AGC (colorization without AGC is not a valid permutation)
3. Select RGB888 mode
4. Synchronize or re-synchronize the VoSPI channel (see Establishing/Re-Establishing Sync, page 52)
5. Optional: Select a desired built-in LUT or upload a custom LUT.
The purpose of RGB888 mode is to generate a “false color” RGB image in which each grayscale value is converted
by means of a user-specified look-up table (typically called a color palette) to a particular color. Figure 14 shows
the 8 built-in color palettes provided in the current release of Lepton, and Figure 15 shows an example image
with a color palette applied. The built-in color palettes are selectable by means of the command and control
interface (see the Lepton Software Interface Description Document for more information on the palette format).
Additionally, a user-specified palette can be uploaded through the command and control interface.
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