Panasonic WJ-NV200K - About the Face Matching Function; Notation about the Installation and Setup of the Camera

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This recorder (WJ-NV200K or WJ-NV200K/G) has the face matching function that compares the registered face images with a
face displayed on live images to detect a person with a closer match. 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thefacematchingfunctionisactivated,thesettingson the "Advanced recording setup" page (☞ page 52) 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
HDD saving mode: Except
 • Thefacematchingfunctionisunavailablewhilerecordedimagesarebeingplayedback.
 • Whilethefacematchingfunctionisbeingactivated,themaximumnumberofmulti-screensegmentsis4.
 • 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imagescanberegisteredonlyonrecordedimages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 recommended to perform settings to
record images for 24 hours.
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.
About the face matching function
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a
1280