ABSTRACT
One o f t he f undamental a spects o f me dical d iagnostics i s acquiring t he i nformation to ba se a c linical de cision on. e information is obtained from either a o ne-dimensional signal or a t wo-dimensional signal: an image. Signals can be chemical, ele ctrical, ac oustic, o r ele ctromagnetic i n nat ure. is chapter w ill provide a n introduction to t he physics a nd eng ineering of various sensing and imaging concepts and devices and the l imitations associated with the signal acquisition and signal processing.
