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Signal processing is a vast engineering field focused on retrieving, modifying, and preserving data contained within intricate signals and visual data. Techniques in this domain encompass: information compression, analog-to-digital transformation, signal and image recovery/enhancement, adaptive filtering, decentralized sensing and processing, and machine-driven pattern recognition. From the pioneering era of the fast Fourier transform (FFT) to contemporary widespread MP3/JPEG/MPEG compression standards, signal processing has powered numerous innovations that enhance daily life. Applications span: medical imaging systems (cardiac scan algorithms and cross-modality image alignment), digital sound technology (MP3 players and noise-reducing headphones), satellite navigation (GPS and location-enabled mobile devices), smart vehicle sensors (airbag triggers and crash prevention systems), multimedia gadgets (handheld devices and smartphones), and digital forensics (online surveillance and voice recognition systems). The University of Michigan approaches signal processing as a scientific discipline where novel techniques are mathematically developed and applied through core principles that enable forecasting of performance boundaries and reliability. UM's signal processing research is pioneering innovative models, methodologies, and technologies that will keep influencing medical diagnostics and treatments, radar imaging, sensor networks, visual data compression, communication systems, and other critical sectors.