CE Qn1B

Qn.1: Image extraction at best quality:

Within this question, the aim is to extract at best quality a specified frame from video footage recorded in different CCTV system file formats. Best quality should be understood to mean: minimum degradation with respect to its form within the source file, aiming for 1:1 pixel mapping. In other words, please submit the specified frames in this raw form without attempting to restore, e.g., true to life aspect ratio, or performing any other image operations.

Question 1B

• Download the video file and the replay software using the links below.
  Video File: TestE_7mDistance_HighElevation.zip
  DM-observer-1.18.59-installer.exe (Replay Software)

• Unzip 'TestE_7mDistance_HighElevation.zip' to obtain the video file 'TestE_7mDistance_HighElevation.PAR'

• Double click on 'DM-observer-1.18.59-installer.exe' to install the replay software on your computer. This will open an installation wizard. Select 'Next' for each step of the wizard, and 'Done' to complete the installation.

• Extract the first frame from timestamp '4:43:30 PM GMT' at best quality (see definition given above) using

1. the replay software supplied and the procedure described below, and
   submit your result using the filename 'Q1B_ReplayDescribed_YOUR INITIALS', or,
2. some other method if a preferable result is achievable, and submit your result using the filename 'Q1B_OtherMethod_YOUR INITIALS'

• Procedure: How to replay the footage using the Provided Replay Software:
  • Open the replay software via the 'Start' menu of your PC. Start/Programs/DM NetVu Observer\DM NetVu Observer
  • In the top left of the GUI, select 'File/Open Video'. A new window will appear titled 'Open'
  • Navigate to the video file of .PAR file format and click on 'Open'
  • In the window titled 'Import Video', Click on 'OK'. After a moment or two, the footage will begin playing back.

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