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Methods and systems for 2D/3D image conversion and optimization

  • US 20030128871A1
  • Filed: 01/08/2003
  • Published: 07/10/2003
  • Est. Priority Date: 04/01/2000
  • Status: Active Grant
First Claim
Patent Images

5. Apparatus for generating 3D images represented by 3D image data that includes at least two channels of data for respective left and right eye views from a sequence of 2D images represented by 2D image data, comprising:

  • i) assigning the 2D image data to a first channel;

    ii) determining a measure of similarity (δ

    k) between sets of 2D image data representative of sequential 2D images;

    iii) comparing the measure of similarity (δ

    k) to predetermined threshold values (δ

    0<

    δ

    1<

    δ

    2) where (1) if δ

    0<

    δ

    k<

    δ

    2 and δ

    k

    δ

    k−

    1




    δ

    1 and an approximation variable (α

    ) is less than or equal to Ks, the approximation variable is set to α

    ;



    +s, (2) if δ

    0<

    δ

    k<

    δ

    2 and δ

    k

    δ

    k−

    1


    δ

    1 and α



    s, the approximation variable (α

    ) is set to α

    ;





    s, and (3) if δ

    0

    δ

    k, the approximation variable (α

    ) is set to α

    ;

    =0, where the approximation variable (α

    ) determines the width of a stereo base, and s denotes a step width;

    iv) calculating 3D image data for a second channel from the 2D image data using the approximation variable (α

    ); and

    v) assigning the first channel and the second channel to respective left and right eye views for display.

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