Fixture

In some applications the feature of interest can appear in slightly different positions and rotations between images. For example, the following image shows how the string that appears within the search region of the first image does not completely appear within the search region of the other two images: 

In-Sight supports the Fixture A fixture is a coordinate location on the image that keeps the tool in the place determined by the fixture. structure to create a new coordinate system based on a reliable feature found in every acquired image. Vision tools you add to this new coordinate system analyze the correct portions of the image regardless of how the object under inspection shifts position or rotates.

By adding a Fixture structure to the previous images, the search region can reliably enclose the string you want to identify with an Edge AI Read tool: