Dr. Michael Milford's research into more reliable GPS uses camera technology and simple mathematical algorithms.

Dr. Michael Milford from Queensland University of Technology is researching visual-based navigation, which could replace capital-intensive satellite GPS systems, using camera technology and simple mathematical algorithms to uniquely identify locations. This decentralized approach could widen the technology's scope and improve its accuracy, while also making navigating a much cheaper and simpler task.

This new approach to visual navigation algorithms has been dubbed “SeqSLAM” (Sequence Simultaneous Localisation and Mapping) and it uses local best match and sequence recognition components to lock in locations. Dr. Milford explains how it works:

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