Dahua IPC-HFW2431T-ZS-S2, Operation Manual

Page: 198 / 247

Parameter Description
Face Enhancement
Select the Face Enhancement check box to preferably guarantee clear
face with low stream.
Target Box Overlay
Select the Non-living Filtering check box to add a target box to the face
in the captured picture to highlight the face.
The captured face picture is saved in SD card. Click the Snap Face Image
tab to view the captured picture.
Non-living Filtering Filter non-living faces in the image, such as a face picture.
Snap Face Image
Set a range for snapping face image, including face picture, one-inch
picture, and custom.
When selecting Custom , click Setting, configure the parameters on the
prompt page, and then click OK.
●
Customized width: Set snapshot width; enter the times of the original
face width. It ranges from 1–5.
●
Customized face height: Set face height in snapshot; enter the times
of the original face height. It ranges from 1–2.
●
Customized body height: Set body height: in snapshot; enter the
times of the original body height. It ranges from 0–4.
When the value is 0, it means to cutout the face image only.
Snap Mode
●
Optimized Snapshot : Capture the clearest picture within the
configured time after the camera detects face.
●
Recognition Priority : Repeatedly compare the captured face to the
faces in the armed face database, and capture the most similar face
image and send the event. It is recommended to use this mode in
access control scene.
Click Advanced to set the optimized time.
Attribute
Select the Attribute check box, and click to set the display of face
attribute during the face detection.
Advanced
●
Snapshot Angle Filter : Set snapshot angle to be filtered during the
face detection.
●
Snapshot Sensitivity : Set snapshot sensitivity during the face
detection. It is easier to detect face with higher sensitivity.
●
Optimized Time : Set a time period to capture the clearest picture
after the camera detects face.
Enable Face Exposure
Select the Enable Face Exposure check box. When a face is detected,
the camera can enhance brightness of the face to make the face image
clear.
Face Target Brightness Set the face target brightness. It is 50 by default.
Face Exposure
Detection Interval
Set the face exposure detection interval to prevent image flickering
caused by constant adjustment of face exposure. It is five seconds by
default.
Operation Manual
187