Method and system for navigating a robot

A method for navigating a robot, the robot comprising a controller configured to control movement of the robot, a sensor module configured to detect on-site reference features and a processor, comprising:

• detecting, by the sensor module, on-site reference features of the robot's location when the robot is traversing in an environment;
• identifying, by the processor, objects of interest from the detected on-site reference features;
• wherein identifying the objects of interest includes identifying, by the processor, a motion status of each identified object of interest;
• deriving, by the processor, a semantic data for each object of interest from the on-site reference features;
• wherein deriving the semantic data includes predicting, by the processor, a trajectory of the object of interest that is identified to be in motion;
• generating, by the processor, a semantic cost map representing cost of traversing in the environment based on the semantic data of the objects of interest, wherein the semantic cost map comprises an inflation radius calculated for each identified object of interest proportional to a risk level of the corresponding identified object of interest, the inflation radius calculated for each identified object of interest is variable;
• and
• controlling, by the processor, the controller to cause movement of the robot to navigate the environment based on the semantic cost map.