[질문] 1. Why most of text/images can be compressed with losing any information? 2. What is the mathematical representation of an RGB image? 3 . Derive the entropy formula for the Nth order Markov source. 4. Write down Fourier series. If the series is truncated to 5th term, show how it can be represented in a matrix form. 5. What is “reordering”? What is the purpose of the “zig-zag” reordering”? 이거 답좀 알려주세요.. 한글로도 좋아요 영어면 더 좋고..