Skip to content
Get the answers:

October Trivia

Fourier’s famous 1822 book publicized which important equation?
  1. The wave equation
  2. The Fast Fourier transform
  3. The heat equation
  4. The force equation

Answer: C

In the 1960s, machines capable of digital signal processing cost approximately $1,000 per millions of instructions per second. In which decade did the cost fall to approximately $1 per MIPS?
  1. 1990s
  2. 2000s
  3. 2010s
  4. 2020s

Answer: A

Signal processing techniques are used to protect the privacy of medical images, and to identify the source of an illegal disclosure. Among the two most commonly used are:
  1. Encryption Followed by Watermarking (EFW)
  2. Quantization Image Modulation (QIM)
  3. Joint Watermarking/Decryption (JWD)
  4. Adaptive Watermarking Encryption (AWE)

Answer  B and C

Ready to put your knowledge of signal processing and SPS history to the test?

Enter this month's trivia contest for the chance to win SPS swag!

Take This Month's Trivia

Ends Monday, 1 January at 11:59 PM Eastern