Evidence Manager Tutorial 65:

About MVC-9710 Fisheye Camera Videos

TOC

CH1: Overview

CH2: Configuring Evidence Manager

CH3: Managing Devices

CH4: Managing Docking Stations

CH5: Managing Evidence

CH:6 Using Evidence Player

CH7: EM Redaction

CH8: Reference Reads

Overview

The MVC-9710-13-WI (MVC-9710) camera uses fisheye lens to output broad, hemispherical video, albeit with a distorted appearance. The fisheye lens is able to capture a 360-degree surround view of an area, thereby eliminating blind spots. The videos captured by the MVC-9710 camera give a complete picture of monitored areas, since they are output as 360-degree videos, which present a bird’s eye view. However, it might be difficult to make sense of a fisheye video. To illustrate this further, look at the image below:

The image above represents a sample 360-degree output from an MVC-9710 camera. As you can see, the image represents a bird’s eye view; however, narrowing down to a particular area within the image and observing details is not possible. That is why de-warping the image is essential.

The MVC-9710 only outputs a 360-degree video. De-warping this video is done from Evidence Manager.

NOTE: Supported Recorders

Evidence Manager can de-warp images only if your MVC-9710 camera records to one of the 7000 series of recorders running Service Pack 3 or later of the firmware.

NOTE: Dewarping is not Converting

Evidence Manager only presents the 360-degree video in a view you choose. It does not actually convert the original video, but instead, de-warps it.

Supported Views

Evidence Manager supports the following views:

  • Panoramic 180
    This option converts the existing fisheye video into a 180-degree wide-area coverage view of an area.
  • Panoramic 360
    This option converts the existing fisheye video into a 360-degree wide-area coverage view of an area.
  • 2*2 PTZ
    This option splits the fisheye video into 4 views: top, bottom, left, and right. The video plays in 4 separate camera tiles, with each tile representing a view (top, bottom, left, and right).
  • Fisheye + 3 PTZ
    This option retains the original fisheye view in one camera tile, and also splits the video into 3 additional camera tiles. On the fisheye view, 3 controls, represented by colored squares are enabled. These squares represent the pan-tilt-zoom (PTZ) capability of the camera. You can use these controls to change the video positions in the other camera tiles.
  • Fisheye + 8PTZ
    This option retains the original fisheye view in one camera tile, and also splits the video into 8 additional camera tiles. On the fisheye view, 8 controls, represented by colored squares are enabled. These squares represent the pan-tilt-zoom (PTZ) capability of the camera. You can use these controls to change the video positions in the other camera tiles.
  • Panoramic 360 + 3 PTZ
    This option displays a 360-degree wide-area coverage view of the original fisheye video in one camera tile, and also splits the video into 3 additional camera tiles. On the panoramic view, 4 colored areas, each having the capability of controlling camera positions, are enabled. These areas represent the pan-tilt-zoom (PTZ) capability of the camera. You can use these controls to change the video positions in the other camera tiles.

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