What is Signal and Image Processing? Signal Processing and Image Processing sound like arcane mathematics, but they only appear that way because they operate under the hood as "stealth" technologies. Both are used for many down-to-earth and practical jobs. While not as visible as self-driving cars or cell phones, they are critical for just about every high-tech product … [Read more...] about Signal Processing Expert Witness: What Signal and Image Processing Are, and How They Are Used