Arithmetic Coding
نویسندگان
چکیده
• Arithmetic Coding is universal • Arithmetic coding is suitable for small alphabet (binary sources) with highly skewed probabilities. • Huffman cannot allocate fractional bits to symbols: , but the algorithm will assign 1 bit. Huffman needs at least one bit per symbol. If, however, the alphabet is large and probabilities are not skewed, Huffman rate is pretty close to entropy (H). , 01 . 0 , 99 . 0 2 1 = = p p 015 . 0 ) 91 . 0 log( = −
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ورودعنوان ژورنال:
- IBM Journal of Research and Development
دوره 23 شماره
صفحات -
تاریخ انتشار 1979