Dnr; Set Palette - HIKVISION DS-2TD2137-4/P User Manual

Click Correct to optimize the image once.
Note
It is a normal phenomenon that short video freezing might occur during the process of Manual
Correction.
Thermal AGC Mode
Choose the AGC mode according to different scenes to balance and improve the image quality.
● Histogram: Choose for scene with obvious WDR and high temperature difference, can
improve image contrast and enhance image. E.g. the scene contains both indoor and outdoor
scenes.
● Linear: Choose for scene with low temperature difference and the target is not obvious, can
improve image contrast and enhance image. E.g. the bird in forest.
● Self-Adaptive: Choose AGC mode automatically according to current scene.

9.2.2 DNR

Digital Noise Reduction is used to reduce the image noise and improve the image quality. Normal
and Expert modes are selectable.
Normal
Set the DNR level to control the noise reduction degree. The higher level means stronger
reduction degree.
Expert
Set the DNR level for both space DNR and time DNR to control the noise reduction degree. The
higher level means stronger reduction degree.

9.2.3 Set Palette

You can select the palette mode to display the thermal grayscale image to colored image.
Steps
1. Go to Configuration → Image → Display Settings.
2. Select a palette mode in Image Enhancement according to your need.
Result
The live view displays the image with palette.
Thermal Network Camera User Manual
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