Liu’s pathbreaking research aided the transition from analog to digital processing of sound, images and video. His Ph.D. students went on to become leading figures in academia and industry.

Signal processing has become central to many fields, from coherent optical telecommunications, where it is used to compensate signal impairments, to video image processing. Image processing is ...

Digital processing is our preferred way to manipulate data, as it gives us unparalleled flexibility. However, as the volume of information increases, fully digital electronic solutions are ...