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Updated: Nov 27, 2025

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Application of Positional Entropy to Fast Shannon Entropy Estimation for Samples of Digital Signals.
Marcin Cholewa1, Bartłomiej Płaczek1
1Institute of Computer Science, University of Silesia, Będzińska 39, 41-205 Sosnowiec, Poland.
This study presents a novel, fast method for estimating Shannon entropy, outperforming existing algorithms in both speed and accuracy for large datasets. The approach is validated across diverse data types and sizes.
Area of Science:
- Information Theory
- Computational Statistics
- Data Analysis
Background:
- Shannon entropy is a fundamental measure of information uncertainty.
- Accurate and efficient entropy estimation is crucial for large datasets.
- Existing methods may face limitations in speed and scalability.
Purpose of the Study:
- To introduce a novel method for estimating Shannon entropy.
- To enable fast computations and ranking of data samples by entropy.
- To provide a more accurate and efficient alternative to current state-of-the-art algorithms.
Main Methods:
- Development of a new entropy estimation algorithm.
- Theoretical exploration of positional entropy and integer entropy.
- Computational experiments to demonstrate relationships and validate the method.
Main Results:
- The proposed method achieves faster and more accurate Shannon entropy estimation.
- Experimental verification on diverse data samples confirms its usefulness and scalability.
- Demonstrated superior performance compared to existing state-of-the-art algorithms.
Conclusions:
- The novel method offers a significant advancement in fast and accurate Shannon entropy estimation.
- The approach is robust and applicable to large-scale data analysis.
- This work provides a valuable tool for researchers and practitioners in data science.
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