Wavelet Theory and Its Applications 2018
DOI: 10.5772/intechopen.76522
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A Comparative Performance of Discrete Wavelet Transform Implementations Using Multiplierless

Abstract: Using discrete wavelet transform (DWT) in high-speed signal-processing applications imposes a high degree of care to hardware resource availability, latency, and power consumption. In this chapter, the design aspects and performance of multiplierless DWT is analyzed. We presented the two key multiplierless approaches, namely the distributed arithmetic algorithm (DAA) and the residue number system (RNS). We aim to estimate the performance requirements and hardware resources for each approach, allowing for the s… Show more

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Cited by 8 publications
(3 citation statements)
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“…The DWT has different wavelets. More details about the type of wavelets are described in other sources 17,30‐32 …”
Section: Methodsmentioning
confidence: 99%
“…The DWT has different wavelets. More details about the type of wavelets are described in other sources 17,30‐32 …”
Section: Methodsmentioning
confidence: 99%
“…The DWT has different wavelets. More details about the type of wavelets are described in other sources (14,(25)(26)(27).…”
Section: Methods Of Outbreak Detectionmentioning
confidence: 99%
“…Key disadvantages identified include shift sensitivity, where DWT's output can vary significantly with slight input shifts, limiting its use in precise signal localization; poor directionality, which restricts its effectiveness in multidimensional signal processing, like image analysis; and the inability to preserve phase information, crucial for detailed signal structure and timing (Fernandes et al, 2004). Furthermore, the computational complexity and resource consumption of conventional DWT, as discussed by Alzaq et al (Alzaq and Üstündag, 2018) present further challenges, particularly in areas requiring lowfrequency focus.…”
mentioning
confidence: 99%