A mobile robot is an automatic machine that is capable of locomotion. Mobile robotics is usually considered to be a subfield of robotics and information engineering.
A robotic vacuum cleaner
Information engineering is the engineering discipline that deals with the generation, distribution, analysis, and use of information, data, and knowledge in systems. The field first became identifiable in the early 21st century.
Object detection for a stop sign
An example of how the 2D Fourier transform can be used to remove unwanted information from an X-ray scan