Movie Content Analysis Project (MoCA)  
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Automatic Movie Content Analysis

The MoCA Project


The MoCA Project

segment

Segments artifical text appearances in videos (typical frame dimensions 360x270 and 352x240).


Options


-videoDir path to movie required
-videoName name of video file required
-mdir root directory for all intermediate and final results
default: <videoDir>/measurements/		 optional
-from number of the first frame
default: number of the first frame of the video		 optional
-to number of the last frame
default: number of last frame of the video		 optional
-seggerade color segmentation: color difference threshold for region growing to the left, right, top and bottom
default: 2000		 optional
-segdiag color segmentation: color difference threshold for region growing in corner direction
default: 1600		 optional
-merge color segmentation: color distance threshold for region merging
default: 1800		 optional
-mergeGraOri on/off switch for color segmentation
0 = don't merge regions by gradient and orientation information
1 = merge regions by gradient and orientation information
default: 1		 optional
-klassSize on/off switch
0 = perform no geometry analysis
1 = perform geometry analysis
default: 1		 optional
-klassKon on/off switch
0 = perform no contrast analysis
1 = perform contrast analysis
default: 1		 optional
-klassTextur on/off switch
0 = perform no texture analysis
1 = perform texture analysis
default: 1		 optional
-track on/off switch
0 = perform no motion analysis
1 = perform motion analysis
default: 1		 optional



Example


segment -videoDir /opt/Movies/ForrestGump/ -videoName ForrestGump.mpg -from 1000 -to 1500

As a result four directories will be created containing lots of MoCA images:

    /opt/Movies/ForrestGump/measurements/seg
    /opt/Movies/ForrestGump/measurements/trc
    /opt/Movies/ForrestGump/measurements/bil
    /opt/Movies/ForrestGump/measurements/end

They contain images of the following type:

  • ../measurements/seg contains the text-segmented images right before motion analysis is applied.
  • ../measurements/trc contains the final segmentation result
  • the other directories can be ignored.

Before the images can be viewed they must be transformed and saved as JPEG images. Use mocashow to convert the MoCA image to JPEG images:

    cd /opt/Movies/ForrestGump/ measurements/trc
    mocashow *.trc.moca.gz

NOTE: Besides segment also track and gzip/gunzip must be installed on your system. They are called by segment.