Privacy protection in mobile robot

A method comprising:

• capturing, by a mobile robot, images of an environment surrounding the mobile robot;
• detecting, by the mobile robot, text in the images;
• responsive to detecting the text, determining, by the mobile robot, whether to modify the images based in part on a semantic map that stores information describing the environment;
• responsive to determining to modify the images, generating, by the mobile robot, a bounding box around the text in the images;
• modifying, by the mobile robot, the images within the bounding box to make the text illegible, and
• transmitting, by the mobile robot, the modified images to a server.

A non-transitory computer readable storage medium storing computer program instructions, the instructions when executed by a processor causing the processor to:

• capture images of an environment surrounding a mobile robot;
• detect text in the images;
• responsive to detecting the text, determine whether to modify the images based in part on a semantic map that stores information describing the environment;
• responsive to determining to modify the images, generate a bounding box around the text in the images;
• modify the images within the bounding box to make the text illegible, and
• transmit the modified images to a server.