Evidence Manager Tutorial 57:

Automatically Tracking an Element for Redaction

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 automatic tracking method of redaction is used to redact elements that appear throughout the video. For example, a license plate that appears at 00:55 seconds into the video, and is seen in the video continuously thereafter. To do that, create an Auto Track element.

In this method, Evidence Manager creates an Auto Track element with a blue bounding box. Use this method for elements that appear continuously at different locations in the video, and are clearly visible.

To automatically track an element:

  1. Make sure you performed all the steps described in Pre-redaction Tasks.
  2. If needed, play the video to determine the elements that need to be redacted.
  3. Locate the redaction options at the bottom of the Evidence Manager window, next to the player controls.

NOTE: Quick Access from the Application Toolbar

Some of the redaction menu options also have quick access icons on the application toolbar. The application toolbar is located beneath the top menu bar.

  1. Locate the elements that appear at multiple places, which you want to redact. For example, you might want to redact a license plate that appears throughout the last 2 minutes of a video.
  2. Now, draw a box around this element. Initially, you will see a yellow filled box. The shape of this area is either oval or rectangle, depending on what you specified while setting redaction properties. Position the box carefully over the element.
  3. Release the cursor. A context menu appears.

NOTE: Clicking Help

If you click Help in the context menu, Evidence Manager will open the Evidence Manager User Guide.

  1. Click Auto Track to make this area into an Auto Track element. The filled box changes to a box with blue boundary. A progress bar displays the progress of the bounding box creation.
  1. Resize it if necessary, and click Accept in the player controls area.

A numerical value in the bounded box represents the chronology that Evidence Manager assigns when it detects the element. Once the element is redacted, an Auto Track video element is listed in the Video Elements for Redaction pane.

A numerical value in the bounded box represents the chronology that Evidence Manager assigns when it detects the element. Once the element is redacted, an Auto Track video element is listed in the Video Elements for Redaction pane.

After the redaction operation completes, do the following:

  • To view the element that will be redacted, click the Play button. A green bounding box appears around the element you chose, indicating that the chosen element will be redacted throughout the video at the location where it is present.
  • To preview the redacted elements in the video, click the Preview Redaction icon. The icon looks like this:

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