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User's Manual
78
Figure 4-46 Flow data
4.5.1.8 Watermark
You can verify whether local images and videos were tampered with by checking the watermark.
4.5.1.8.1 Verifying Images
Step 1 Select
Setting
>
ITC
>
Watermark
>
Picture
.
Step 2 Click
Path
, select a folder where the images to be verified is located, and then click
OK
,
Figure 4-47 Image watermark verification
Step 3 Select one or more images from the list, and then click
Watermark
.
●
If
Normal
is displayed in the
Watermark
column, the image is not tampered.
●
If
Abnormal
is displayed in the
Watermark
column, the image is tampered.
Step 4 (Optional) Click
Open
to open the selected image.
4.5.1.8.2 Verifying Videos
Step 1 Select
Setting
>
ITC
>
Watermark
>
Video
.
Step 2 Click
Select File
, and then select a video to be verified.
Step 3 Click
Watermark
.
●
If the video is not tampered, the watermark is displayed next to
Watermark Info
.
●
If the video is tampered, you can check the details in
Tampered Watermark Info
.
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