# New lossless compression method using cyclic reversible low contrast mapping (CRLCM)
> Mesra H.

URL kanonis: https://discover.unhas.ac.id/publications/pub_scopus_85011961351
Jurnal / Konferensi: International Journal of Electrical and Computer Engineering
Tahun terbit: 2016
DOI: https://doi.org/10.11591/ijece.v6i6.12848
ISSN: 20888708
Citations: 4

## Authors
- Mesra H.

## Abstract
In general, the compression method is developed to reduce the redundancy of data. This study uses a different approach to embed some bits of datum in image data into other datum using a Reversible Low Contrast Mapping (RLCM) transformation. Besides using the RLCM for embedding, this method also applies the properties of RLCM to compress the datum before it is embedded. In its algorithm, the proposed method engages Queue and Recursive Indexing. The algorithm encodes the data in a cyclic manner. In contrast to RLCM, the proposed method is a coding method as Huffman coding. This research uses publicly available image data to examine the proposed method. For all testing images, the proposed method has higher compression ratio than the Huffman coding.

## Keywords
- Huffman coding
- Computer science
- Entropy encoding
- Lossless compression
- Data compression
- Geodetic datum
- Redundancy (engineering)
- Algorithm
- Coding (social sciences)
- Compression ratio
- Embedding
- Image compression
- Artificial intelligence
- Image (mathematics)
- Mathematics
- Image processing
- Operating system
- Cartography
- Engineering
- Geography
- Internal combustion engine
- Automotive engineering
- Statistics

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Sumber: Discover Unhas — RIMS Universitas Hasanuddin.
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