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Zenmuse H20
N
User Manual
10
©
2022 DJI All Rights Reserved.
16. Palette/Isotherm
Palette
The Zenmuse H20N offers a variety of palette options. Distinct colors are used to show
temperature differences in the thermal image using grayscale intensity. The temperature range of
the image is mapped to 256 colors and displayed in the 8-bit JPEG or MP4 format. The following
table shows all palette options.
White Hot
Fulgurite
Iron Red
Hot Iron
Medical
Arctic
Rainbow 1
Rainbow 2
Tint
Black Hot
Palette Description
White Hot
The most commonly used pseudo color, using white for high temperatures and
black for low temperatures, which is a natural association for people.
Fulgurite
Dark red represents low temperatures and white represents high temperatures. The
warm tone of this palette aligns with people’s association with hot temperatures.
Iron Red
This palette displays nuanced differences in heat signatures, quickly displaying
anomalies and human bodies. Hotter objects appear as light warm colors and
colder objects appear as dark cool colors.
Hot Iron
Red represents high temperatures, and cool colors represent low temperatures. It
is able to identify hot targets quickly, while showing the details of cool targets.
Medical
This palette shows nuanced differences in temperatures, and is therefore ideal for
scenarios with small temperature changes. In environments with low contrast, it is
still able to detect objects and slight temperature changes. It is mainly used in the
medical eld for human body temperatures.
Arctic
Uses the same palette as Medical, except switching the purple for a cool blue to
better reect temperature changes.
Rainbow 1
Similar to Medical, it reduces the warm color ratio and increases the cold color
ratio for high temperature targets to better show the details of cool targets.
Rainbow 2
The color transition is reduced, the warm and cold colors are moderately
proportioned, which can show the details of high and low temperature targets at
the same time.
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