11
By registering the license of the additional business intelligent kit, the face matching function, that detects faces whose features
are closed to the registered faces by comparing face images in live image with the registered face images, will become available.
When the person is detected, it is possible to activate an alarm notification.
To use the face matching function, there are following restrictions.
Only Camera 1 is available.
•
A camera supporting the face detection function is required.
•
Refer to the "readme.txt" on the provided CD-ROM about the available cameras.
The maximum number of faces that can be detected simultaneously depends on the detection performance of the camera.
When "Alarm action" is selected for "Mode" of "Advanced face matching alarm setup" (
•
☞
Operating Instructions (PDF)), the
settings on the "Advanced recording setup" page for Camera 1 will automatically be changed as follows.
Compression: H.264
Image capture size: SXVGA (1280 x 960)
Frame rate: 5 ips
Image quality: SF
Note that face matching function is unavailable if these settings are changed.
Face images can be registered only when images recorded under these setting conditions are played back on the recorder.
•
It is impossible to register face images displayed on images from the camera while recording is not being performed. It is rec-
•
ommended to perform settings to record images for 24 hours.
The performance of the face matching function depends on the detection performance of the camera and recorder. When
•
many people appear on images at the same time, the following problems may happen: It may take time for face matching or
several face images may not be matched.
Face matching alarm does not apply event recording.
•
Notation about the installation and setup of the camera
When performing the installation and setup of the camera, note the following so that the performance of the face matching func-
tion is maintained.
Install the camera so that the width ("a" in the illustration) of a face image becomes 125 pixels or more.
•
Example) When the image capture size is "1280 x 960", the width of the face image should be 1/10 or more of the whole screen.
960
a
1280
About the face matching function (option)
