A source has an alphabet with probabilities {0.1, 0.23, 0.25, 0.05, 0.15, 0.22). 1. Find the entropy of this source. 2. Compare this entropy with the entropy of a uniformly distributed source with the same alphabet. 3. Compute the compression ratio and the coding efficiency.
A source has an alphabet with probabilities {0.1, 0.23, 0.25, 0.05, 0.15, 0.22). 1. Find the entropy of this source. 2. Compare this entropy with the entropy of a uniformly distributed source with the same alphabet. 3. Compute the compression ratio and the coding efficiency.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Can someone explain this problem step by step please? thanks
![a₁
PROBLEM
A source has an alphabet with probabilities {0.1, 0.23, 0.25, 0.05, 0.15, 0.22}.
a₂
a3
34
a5
26
CLASS WORK - HUFFMAN CODING
Alphabet
1. Find the entropy of this source.
2.
Compare this entropy with the entropy of a uniformly distributed source with
the same alphabet.
3. Compute the compression ratio and the coding efficiency.
Equal
Probabilities
0.1
0.23
0.25
0.05
0.15
0.22
Probabilities
1/6
1/6
IVIT TILURE
1/6
1/6
1/6
1/6
Code 1
Code 2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F53cd4567-e9c0-49bc-8f29-7fe4db37c68a%2F3d268bf0-6e99-49db-898e-408566cd631c%2F3hzw6hc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:a₁
PROBLEM
A source has an alphabet with probabilities {0.1, 0.23, 0.25, 0.05, 0.15, 0.22}.
a₂
a3
34
a5
26
CLASS WORK - HUFFMAN CODING
Alphabet
1. Find the entropy of this source.
2.
Compare this entropy with the entropy of a uniformly distributed source with
the same alphabet.
3. Compute the compression ratio and the coding efficiency.
Equal
Probabilities
0.1
0.23
0.25
0.05
0.15
0.22
Probabilities
1/6
1/6
IVIT TILURE
1/6
1/6
1/6
1/6
Code 1
Code 2
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