Volume Mode
11. Volume Mode..............................................................................................................11-3
11.1 Volume Acquisition with Volume Probes........................................................................ 11-4
11.1.1 Principle of Volume Acquisition.................................................................................. 11-5
11.1.2 Principal Scanning Modes............................................................................................ 11-5
11.1.3 What is Interactive 3D Image Rendering ? .................................................................. 11-6
11.1.3.1 What is Interactive ?.............................................................................................. 11-6
11.1.4 Image Orientation (All Acquisition Modes)................................................................. 11-7
11.1.5 The Render Box............................................................................................................ 11-9
11.1.6 General Advices to Obtain Good Rendered 3D Images............................................. 11-10
11.1.6.1 Examples of Rendered Images............................................................................ 11-11
11.2 Volume Acquisition: 3D Sectional Planes..................................................................... 11-12
11.2.1 3D Acquisition During Active High Resolution Zoom.............................................. 11-14
11.2.2 After the 3D Sectional Planes Acquisition................................................................. 11-15
11.2.2.1 Orientation Help Graphic .................................................................................... 11-16
11.2.3 Principle of Sectional Image Analysis........................................................................ 11-16
11.2.3.1 Image Position..................................................................................................... 11-18
11.2.3.2 Image Magnifier.................................................................................................. 11-18
11.2.3.3 Choosing a Reference Image............................................................................... 11-18
11.2.4 Selecting a Sectional Plane......................................................................................... 11-19
11.2.5 Rotations..................................................................................................................... 11-19
11.2.6 Translations ................................................................................................................ 11-22
11.2.6.1 Initial Condition .................................................................................................. 11-23
11.2.6.2 A,B,C - Sectional Plane Mode ............................................................................ 11-25
11.2.6.3 Reference Image Mode ....................................................................................... 11-25
11.2.6.4 Niche Display Mode ........................................................................................... 11-25
11.3 Sub Menus ........................................................................................................................ 11-28
11.3.1 Render View Direction............................................................................................... 11-29
11.3.2 3D Gray Chroma Map................................................................................................ 11-29
11.3.3 Contrast ...................................................................................................................... 11-30
11.3.4 Background ................................................................................................................ 11-30
11.3.5 Balance ....................................................................................................................... 11-30
11.3.6 Power Threshold......................................................................................................... 11-30
11.4 Volume Acquisition: 3D Rendering .............................................................................. 11-31
11.4.1 After the 3D Rendering Acquisition........................................................................... 11-33
11.4.1.1 3D ROI Mode...................................................................................................... 11-33
11.4.1.2 Adjust Size and Content of the Render Box........................................................ 11-34
11.4.1.3 3D Pictogram Mode ............................................................................................ 11-35
11.4.2 Render Parameter – Basic Mode and Render Algorithm ........................................... 11-39
11.4.2.1 Gray Render Mode.............................................................................................. 11-40
11.4.2.1.1 Threshold Control in Gray Render Mode...................................................... 11-41
11.4.2.1.2 Transparency in Gray Render Mode ............................................................. 11-41
11.4.2.2 Color Render Mode............................................................................................. 11-42
11.4.2.2.1 Threshold Control in Color Render Mode..................................................... 11-43
11.4.2.2.2 Transparency in Color Render Mode ............................................................ 11-43
11.4.2.3 Glass Body Render Mode ................................................................................... 11-44
11.4.3 3D Rotation Cine........................................................................................................ 11-45
11.4.3.1 To calculate a 3D Rotation Cine Sequence......................................................... 11-45
11.4.3.2 Start/Stop the Calculated Sequence..................................................................... 11-47
11.4.4 MagiCut...................................................................................................................... 11-48
11.4.4.1 MagiCut Operation.............................................................................................. 11-49
Voluson
®
730Pro - Basic User Manual
105831 Rev. 0 11-1