NVR-8256DR-V2: Playback and AI Search

Setup

The NVR-8256DR-V2 has both regular playback search and AI Search- for advanced intelligence playback.

Basic Playback/ Search

1. Login to the NVR using the local Interface or NVRSS-Pro software. (Web UI is not recommended)
   
2. Click the "+" sign next to Live on the top left.
   
   In the Applications section, click on  Search ().
3. In the Device List located at the top left of the Search Window, select any number of cameras you want to search footage for.
   
   Below the Device List, select either Record for footage playback or Image to search for image files.
   
   Below this section, you can select the dropdown for the Record Types you want to view.
   
   Next, Select the Start and End Date for the search.
    
   Note that any days displayed with a green dot in the calendar indicate footage for those days.
   
   After setting the parameters above, click Search.
   
4. The channel results will be displayed (if searching multiple channels) in the top section.
   
   Select a camera on the left side, and the thumbnail views will be displayed on the right. Double-click or drag and drop and thumbnail to view the footage. You can also drag and drop/double-click different channels to view the playback simultaneously. 
   
   Below the playback view, there are options for:
   Jump to Time (): Here, you can select different date and time for playback.  You can select ALL for all cameras or un-select for just one. After selecting a date, click to view footage from the selected time.
   
   Playback Controls:
   : Sync play. Syncs all channels to the same time when clicking around the timeline.
   : Play controls- Slow Play, Next File, Play Backwards, Play/ Pause, Next File and Fast Forward.
   : Play Speed Indicator
   : Volume Control
   : Take a Snapshot
   : Create a Tag
   : Backup Footage
   : Full-Screen toggle
   
   The Timeline/ Progress bar below will display the time period and indicate the current play time. You can click and hold the time bar and move it left and right to move to different times.
   
   The mouse wheel can be used to zoom in and out of the timeline. It also will display colored bars over the time period depending on the recording type, as shown below.
   The Green bar represents Normal/ Regular recoding, while the Red bar displays motion events.
   
   
   

AI Search

This setup assumes the Intelligence events have been setup on the camera/ NVR and the record settings are set to record events.

1.  Login to the NVR using the local Interface or NVRSS-Pro software. (Web UI is not recommended)
   
2. Click the "+" sign next to Live on the top left.
   
   In the Applications section, click on AI Search ().
3. In the AI Search window, there are several tabs to choose from depending on the type of AI search type.
   
4. Select the channels you want to view AI search results from the device tree.
   
5. Below the device tree, there are different search parameters depending on the AI Search type. Note: Clicking the will expand the search properties.
   
   Search by Face: You can choose the event type such as Face Detection or Recognition. You can also choose different properties to search for such as Gender, Glasses, Age and Expression.
   
   
   Search by Human: You can select the Event Type from IVS, Human Detection and Face & body Detection. You can also choose properties such as gender, age, and clothing types.
   
   
   Search by Vehicle: This search is for detected vehicles. The event types range from ANPR Plate Comparison, IVS, and Vehicle Detection (from Metadata). Other vehicle properties, such as Type and License Plate number, can be used to refine the search.
   
   
   Search by Non-motor Vehicle: This search is for detected personal vehicles (such as motorcycles and scooters). The event types range from IVS and Non-Motor Vehicle Detection (from Metadata and ANPR cameras). Other properties, such as Type of vehicle, and number of passengers, can be used to refine the search.
   
6. After selecting the parameters above, you can select a start and end date/ time below.
   
   
   
7. Click to start the search. The results will be shown as thumbnails for each event and necessary metadata information, depending on the search type.
   
8.  You can double-click a thumbnail to view the footage.
   
   Hovering over the thumbnail also presents other options:
   to view the footage
    to download the event footage.
   
   
   
9. To mass export events, select thumbnails you want to export, then click the export button on the top left.
   
   Select the export type from: Excel (displays metadata information), Video or Picture (Snapshots). 
   
   Click OK to select an export path, then OK in the Export screen to save.