[질문] 문제답을모르겠어요... Why most of text/images can be compressed with losing any information? What is the mathematical representation of an RGB image? . Derive the entropy formula for the Nth order Markov source. Write down Fourier series. If the series is truncated to 5th term, show how it can be represented in a matrix form. What is “reordering”? What is the purpose of the “zig-zag” reordering”? What is “entropy encoder”? What variable-length coding strategies do you know? How does packet encapsulation work? What Motion Estimation algorithms used in video encoder do you know? Write down their names, choose one and describe it. Describe what happens when you type a URL into a web browser, explain what is URL and what role it has protocols, requests, responses. Elaborate on HTTP header structure.

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