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Methods and systems for providing landmarks to facilitate robot localization and visual odometry

  • US 10,059,006 B2
  • Filed: 08/02/2016
  • Issued: 08/28/2018
  • Est. Priority Date: 08/25/2014
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a robotic device;

    an applicator configured to provide a material onto a surface of an object, wherein the material, once provided on the surface, is designed to disappear from the surface within a predetermined period of time;

    one or more optical sensors;

    at least one processor;

    data storage comprising instructions executable by the at least one processor to cause the system to perform operations comprising;

    causing the robotic device to provide, using the applicator, the material in a pattern onto one or more surfaces in a physical environment; and

    based on the material being designed to disappear from the one or more surfaces within the predetermined period of time;

    detecting, within the predetermined period of time and using the one or more optical sensors, the pattern on the one or more surfaces, wherein the pattern includes a discernable feature sufficient to determine a first location of the one or more surfaces in the physical environment;

    determining, within the predetermined period of time, the discernable feature from the detected pattern on the one or more surfaces, andusing, within the predetermined period of time, the discernable feature to determine the first location of the one or more surfaces with respect to a second location of the robotic device in the physical environment.

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