# New concept of universal coding using one step reversible low contrast mapping (1RLCM)
> Mesra H.

URL kanonis: https://discover.unhas.ac.id/publications/pub_scopus_85074994489
Jurnal / Konferensi: Journal of Physics Conference Series
Tahun terbit: 2019
DOI: https://doi.org/10.1088/1742-6596/1341/4/042008
ISSN: 17426588
Citations: 0

## Authors
- Mesra H.

## Abstract
Abstract Universal coding was developed for compressing data that the probability distribution of a symbol is unknown. Universal coding methods encode a symbol using some bits as code based on the coding algorithm. This research introduces a new concept of universal coding by encoding two symbols using Reversible Low Contrast Mapping (RLCM) transform. The proposed method transforms a pair non negative integer to a non-negative integer and a binary number. This research also introduces a compression scheme namely Average Encoding (AE) to compress a sequence of data using the proposed coding method. This method generally yields a higher compression ratio than the Elias Delta, Elias Gamma, and Fibonacci coding when it is tested using the results of differential encoding of some testing images.

## Keywords
- Shannon–Fano coding
- Variable-length code
- Algorithm
- ENCODE
- Arithmetic coding
- Coding (social sciences)
- Context-adaptive binary arithmetic coding
- Tunstall coding
- Binary number
- Fibonacci number
- Data compression
- Computer science
- Differential coding
- Theoretical computer science
- Huffman coding
- Encoding (memory)
- Decoding methods
- Arithmetic
- Mathematics
- Discrete mathematics
- Artificial intelligence
- Statistics
- Chemistry
- Biochemistry
- Gene

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Sumber: Discover Unhas — RIMS Universitas Hasanuddin.
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