Pelco C2631M-A SEARCHING VIDEO BASED ON CHANGES IN SCREEN PIXELS

C2631M-A (6/07) Client Application 93
SEARCHING VIDEO BASED ON CHANGES IN SCREEN PIXELS
DX8100 pixel video search is accomplished in two steps:
• Searching recorded video for changes in screen pixels.
After the search has been completed, the DX8100 displays a series of thumbnails below the search grid. Each thumbnail contains the first
image of recorded video for the specified date and time range period.
NOTE: A pixel search might not detect obvious movement.
• Viewing the thumbnails.
For information on how to view the video thumbnail, refer to Viewing a Video Thumbnail.
To search video by analyzing changes in screen pixels:
1. On the DX8100 toolbar, click .
2. On the Search control, click .
3. Select a camera from the Site tree.
4. From the drop-down box, select the date on which you want to begin your search.
5. Select the start and end times to define your search range.
6. Using your mouse, highlight the areas on the grid that you want to search for pixel changes.
• Hold down the left mouse button and drag to select areas.
• Hold down the right mouse button and drag to clear areas.
7. Adjust the pixel sensitivity threshold. Moving the slider to the left decreases sensitivity and moving it to the right increases sensitivity.
8. Click Start. Wait for the progress line on the status bar to return to Ready.
9. Use the icon to show and hide the pixel grid for a clearer view in the search screen.
Figure 71. Pixel Search Screen