Can you explain what arithmetic coding is?
Arithmetic coding is a form of entropy encoding used in lossless data compression. It represents a sequence of symbols as a single number in the interval [0, 1).
How does it differ from other coding methods?
Unlike Huffman coding, which assigns fixed-length codes to symbols, arithmetic coding encodes the entire message into a single fractional value, making it more efficient for certain types of data.
What are some practical applications of arithmetic coding?
It's commonly used in image compression formats like JPEG 2000 and in video codecs. It helps achieve better compression ratios.
Are there any downsides to using arithmetic coding?
Yes, it can be computationally intensive and may require more memory than simpler methods like Huffman coding.
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