Reference no: EM132270158
Data Compression Problems -
Suppose that S = {a, b, c, d}, and fa = .4, fb = .35, fc = .15, fd = .1.
1. Encode bbbb, abcd, dcba, and badd by the method of section 6.1, assuming that the decoder will be given the some word length (which will be four, in each case).
2. Decode 11, 010001, 10101, and 0101, assuming the source word lengths are all 4.
3. Suppose the encoder is to communicate the source word length to the decoder by adding zeroes after the last 1 in the code word, as discussed in Exercise 6.1.2.
(a) Decide which of the source words in problem 1 will have different code representatives, with this new arrangement, and give those new code representatives.
(b) Decode 011000.
Note - The DFWLD (dyadic fraction with least denominator) encoding scheme needs to be used for these problems. Some examples of how the problems should look when being worked out have been attached as well.
Attachment:- Assignment Files.rar
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