Performance Evaluation of Wavelet-Based Image Compression Techniques

Bano, Nishat; Alam, Monauwer; Ahmad, Shish

doi:10.1007/978-981-10-5903-2_79

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Discrete Wavelet Transform1

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2018

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“…For one dimensional, signals are split into two parts: high and low frequencies. The low pass and high pass filter of DWT is expressed as [40,[59][60][61][62]:…”

Section: Discrete Wavelet Transformmentioning

confidence: 99%

Performance analysis of compression algorithms for information security: A Review

Sharma

Batra

2018

ICST Transactions on Scalable Information Systems

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Data compression is a vital part of information security, since compressed data is much more secure and convenient to handle. Effective data compression technique creates an effective, secure, easy communicable & redundant data. There are two types of compression algorithmic techniques:-lossy and lossless. These techniques can be applied to any data format like text, audio, video or image file. The primary objective of this study was to analyse data compression techniques used for information security techniques like steganography, cryptography etc. Four each, lossy and lossless techniques are implemented and evaluated on parameters like-file size, saving percentage, time, compression ratio and speed. Detailed analysis shows that the lossy techniques performs better quantitatively whereas lossless is better qualitatively. However, lossless techniques are more effective as there is no data loss during the process. Among all, Huffman encoding outperforms other algorithms.

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“…For one dimensional, signals are split into two parts: high and low frequencies. The low pass and high pass filter of DWT is expressed as [40,[59][60][61][62]:…”

Section: Discrete Wavelet Transformmentioning

confidence: 99%

Performance analysis of compression algorithms for information security: A Review

Sharma

Batra

2018

ICST Transactions on Scalable Information Systems

View full text Add to dashboard Cite

show abstract

Performance Evaluation of Wavelet-Based Image Compression Techniques

Cited by 1 publication

References 8 publications

Performance analysis of compression algorithms for information security: A Review

Performance analysis of compression algorithms for information security: A Review

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