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Eindhoven Technische Universiteit Manipulation of 3D objects with gestures and voice Research issues: 3D Sketching Input devices: mouse, bird Gesture recognition.

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Presentation on theme: "Eindhoven Technische Universiteit Manipulation of 3D objects with gestures and voice Research issues: 3D Sketching Input devices: mouse, bird Gesture recognition."— Presentation transcript:

1 Eindhoven Technische Universiteit Manipulation of 3D objects with gestures and voice Research issues: 3D Sketching Input devices: mouse, bird Gesture recognition Voice recognition

2 Eindhoven Technische Universiteit 3D Sketching Goal: Space Modelling (by 3D object creation) Traditional sketching is inherently 2D: floor plan, cross section, perspective Adaptation of Kai’s Inner world

3 Eindhoven Technische Universiteit Input Devices ‘Controlled’ space modelling requires high accuracy 6 DOF Input devices show best performance with positioning and deforming

4 Eindhoven Technische Universiteit Gesture Recognition Hand movement > command Sketch > object

5 Eindhoven Technische Universiteit Voice Recognition Speech interpretation Command recognition

6 Eindhoven Technische Universiteit 3D Sketch application Creation of rectangular shapes and spaces: Drag & Copy box Delete box Navigate Rotate viewpoint

7 Eindhoven Technische Universiteit 3D Sketch application Creation of rectangular shapes with specific orientation: Orient box Drag & Copy box

8 Eindhoven Technische Universiteit 3D Sketch application Set/change color of box by voice command: Select box Say: “red”, “green”, “blue’

9 Eindhoven Technische Universiteit 3D Sketch application Creation of curves shapes and spaces: Drag & Copy box along curve -45 < angle < +45 degr.

10 Eindhoven Technische Universiteit Improvements & Extensions Scale box size: Uniformly / non-uniformly Surface profile

11 Eindhoven Technische Universiteit Improvements & Extensions Group Objects: Sketch gesture = group Add/remove object

12 Eindhoven Technische Universiteit Improvements & Extensions Change dimensions: By box By group

13 Eindhoven Technische Universiteit Improvements & Extensions Interpret Sketch: Parameterized geometry Change position and dimensions of shapes and openings Geometrical constraints

14 Eindhoven Technische Universiteit Improvements & Extensions Interpret operations: Representation: Box mesh or Param. Geom. Design intend: Level, aspect

15 Eindhoven Technische Universiteit Improvements & Extensions Deformation of box meshes: Geometric representation ? To which extend ? Transformation to Param. Geom. ?

16 Eindhoven Technische Universiteit Improvements & Extensions Connection to Feature Database: database element: sketch attributes: position, color, … specialization into Param. Geom. attributes: parameters, textures,...

17 Eindhoven Technische Universiteit Improvements & Extensions User environment: LCD sketchpad with pencil Bird: positioning and deforming Large screen projection Command input: pointing, speech Cross section box

18 Eindhoven Technische Universiteit Improvements & Extensions Modify utilities: Move Copy etc.

19 Eindhoven Technische Universiteit Goodbye and Thanks

20 Eindhoven Technische Universiteit


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