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
15
correction (SBNUC) algorithm which relies on motion within the scene to isolate fixed pattern noise (FPN) from
image content.
2.11.4 AGC
The AGC algorithm for converting the full-resolution (14-bit) thermal image into a contrast-enhanced image
suitable for display is a histogram-based non-linear mapping function. AGC Modes, page 34.
2.11.5 Colorize
The colorize block takes the contrast-enhanced thermal image as input and generates a 24-bit RGB color output.
See Video Output Format Modes, page 36.
2.12 Master Clock
In Lepton the master clock (MASTER_CLOCK) frequency is 25 MHz.
3 Operating States and Modes
Lepton provides several operating states and modes, more completely defined in the sections that follow:
• Power States, page 15
• FFC States, page 18
• Gain States page 22
• Telemetry Modes, page 23
• Radiometry Modes, page 29
• AGC Modes, page 34
• Video Output Format Modes, page 36
• GPIO Modes, page 39
3.1 Power States
Lepton currently provides five power states. As depicted in the state diagram shown in Figure 5, most of the
transitions among the power states are the result of explicit action from the host. The automatic transition to and
from the over-temperature (Overtemp) state is an exception.
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