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What Is 3D Vision?

3D aligment: click to get larger view of image
3D aligment: using a camera image and various image processing functions, the 3D pose of an object is determined. This data is used to control the robot.
3D reconstruction: click to get larger view of image
3D reconstruction: the 3D shape of an object is reconstructed from the images of a two camera setup.
3D vision means the utilization of 3D information with the aid of machine vision, allowing to approach applications which so far could not be solved with classical 2D technologies. It includes two main objectives, which both contain many different technologies:
  • 3D alignment – finding the 3D pose (position & orientation) of an object.
  • 3D reconstruction – determining the 3D shape of arbitrary objects.

From the Task to the Solution

For any project, in order to find a solution, you must identify the specific vision task. First, you should ask the following questions before deciding which 3D vision method is the right one for you:
  • What do I want to find out?
  • How accurately do I want to measure?
  • Which are the characteristics of my object?
  • What are the general conditions?
For example, if you ask these questions for a bin picking application, the answers could be as follows:
  • What do I want to find out? Shape is known, position is required.
  • How accurately do I want to measure? Adequate for the robot’s movement.
  • Which are the characteristics of my object? Object size 10-20 cm, reflective metal surface.
  • What are the general conditions? Partially uncontrolled illumination conditions.
This analysis is very important, because the next step will be the decision which technology to use. The different technologies have various characteristics which must match the specific needs of your application.

Industries

semiconductors
packaging
3D vision technologies are used in many different industries, such as
  • automotive
  • film and entertainment
  • food
  • machinery
  • packaging
  • photogrammetry & remote sensing
  • robotics
  • semiconductors

3D Vision Technologies


PDF Download 3D vision brochure


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