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Thermal & Optical Bi-spectrum PTZ Network Camera User Manual
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displayed.
Figure 11-1 Saturation
11.5.3 Image Adjustment (Thermal Channel)
You can optimize the image display effect of thermal channel by setting background correction
and manual correction.
Background Correction
Fully cover the lens with an object of uniform temperature in front of the lens, such as foam
board or paperboard. When you click DPC (Defective Pixel Correction), the device will take the
uniform object as the standard and optimize the image once.
Manual Correction
Click DPC (Defective Pixel Correction) to optimize the image once.
Note
It is a normal phenomenon that short video freezing might occur during the process of
Background Correction and 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.
11.5.4 Exposure Settings
Exposure is controlled by the combination of iris, shutter, and gain. You can adjust image effect by
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