Configuring Color Signatures#

A color signature is one of two visual signatures used by the AI Vision Sensor to identify colors. It must be configured before the sensor can recognize it.

Note: A wired connection must be used to enable the AI Vision Utility and configure color signatures for the robot.

Creating a Color Signature #

Place a solid-colored object in front of the sensor #

AI Vision Utility in VEXcode AIM. The left shows the camera feed from the robot with a red cube in the center of a white background.

Drag cursor over the object #

A red box will outline the selected color.

Note: Stay within the color area to avoid including background colors that could affect detection.

Select Set Color #

Once a color is set, the sensor will save it as a Color Signature.

Same Utility as before with a red box on the red cube, showing where the color was selected. On the right side of the window the Set Color button is highlighted.

Rename the color signature by typing into the Name text field #

Zoomed in version of the AI Vision utility window with a callout on the Name text box of the color signature that was just set.

Tune a Color Signature #

Adjust the Hue Range #

Use the Hue Range slider to expand or narrow the range of colors around your selected hue. Watch the red target box — increase the range until the box fully surrounds the object.

Note: Don’t go too far or it may include unwanted colors.

Adjust the Saturation Range #

Use the Saturation Range slider to include lighter or dimmer versions of the color. Adjust it until the box stays locked on the object, even in different lighting.

Saving Color Signatures #

Select Add Color to set more Color Signatures #

The sensor can track up to 7 Color Signatures at a time.

Select Close #

AI Vision Utility in VEXcode AIM with a highlight on the close button in the bottom right corner.

All configured color signatures will now appear in the AIM Control Panel.