US Patent 11558949 Identification of lighting fixtures for indoor positioning using color band code

Image data of a light source comprising a surface is obtained using an optical sensor. The surface includes a color band code comprising an array of color regions at least partially modifying visible light of the light source prior to the light impinging the optical sensor. One or more characteristics of the color band code are determined based on the image data that is obtained. Determining a unique identity of the light source based on the determined one or more characteristics of the color band code is performed, or determining a location within a structure associated with the light source based on the determined one or more characteristics of the color band code is performed.