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Despite its reduction in image acquisition time compared to existing imaging sys-
tems, the CS THz Fourier imaging scheme still relies on mechanical scanning. The
mechanical moving parts in the system are major limitations to high-speed imaging.
Future THz imaging systems should require more sophisticated technology, in both
hardware and software, to speed up the acquisition, while maintaining sufficient im-
age resolution. The single-pixel imaging approach in Chapter 4 will take us one step
closer to meet this goal.