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3D Mask Subtraction and Volume Region Modules for Frame-based 3D Presentation States

Explore the 3D Mask Subtraction and Volume Region modules at RSNA 2006, featuring mask operation explanations, mask selection modes, and recommended viewing modes for volume regions. Includes punch holes, planes, and frame-based features.

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3D Mask Subtraction and Volume Region Modules for Frame-based 3D Presentation States

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  1. 3D Presentation States Work WG-02 / WG-15 / WG-22 took care of and WG-06 took it away and WG-11 took it over? • 3D Mask Subtraction Module • Volume Region Module • Punch Holes • Planes • Frame-based Rainer Thieme – 3D Presentation States Brainstorming Session RSNA 2006

  2. 3D Mask Subtraction Module • 3D Mask Subtraction Sequence • Mask Operation DT: Volume Selection • Applicable Volume Pair of Frame Numbers • Mask Volume Pair of Frame Numbers • Mask Voxel Shift Triple of Float Numbers • Mask Operation Explanation Free Text • Mask Selection Mode DT: SYSTEM or USER • Recommended Viewing Mode DT: SUB or NAT DT: Defined Terms

  3. Volume Region Module • Volume Region Sequence • Region Purpose DT: DISPLAY SHUTTER or ROI • Region Display Mode DT: DISPLAY or HIDE • Region Definition Method Enumerated Values • … Punch Hole: EV: ELLIPSE or POLYGON Plane: Orientation, Position, inside or outside Frame: EV: ELLIPSE or POLYGON or BITMAP DT: Defined Terms EV: Enumerated Value

  4. Punch Hole • Ellipse or Polygon • Punch Hole Orientation defined by: • Direction Cosines • Origin

  5. PLANE Plane Orientation and Location defined by: • Direction Cosines • Origin • Distance • Inside or Outside 4 to n Planes needed Distance Origin

  6. FRAME-based • Ellipse, Polygon or Bitmap • Bitmap „location“ defined by: • Bitmap Rows • Bitmap Columns • Bitmap Origin Bitmap Data Type Enumerated Values: BITMAP ALL ONES ALL ZEROS

  7. 3D Presentation State – what we all dream of

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