In this paper we use the concept of page locking to minimize the number of page faults in both FFT and FHT based cross correlation computation. We also combine ...
Abstract— Cross correlation is widely used for image matching. The Fast Fourier Transform(FFT) and the Fast Hartley Trans- form(FHT) are used to speed up ...
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Cross correlation is widely used for image matching. The fast Fourier transform (FFT) and the fast Hartley transform (FHT) are used to speed up cross ...
... speed processor for calculating discrete Fourier transformation using ... Speeding Up the Computation of Cross-Correlation Using the FHT and FFT by Page-locking.
Mar 14, 2014 · Suddenly, correlation can be done using FFT, which is significantly faster than DFT or element-by-element multiplication for every position.
Missing: FHT Page- locking.
In this paper we present results on the computation of Discrete Fourier Transforms (DFT) using Mersenne Number Transforms (MNT). It is shown that in the case of ...
Dec 1, 2022 · The cross correlation approach described using FFT's is a circular cross-correlation. Given N total samples, We could compute a single element ...
Missing: FHT locking.
Jun 22, 2020 · I'm currently struggling to speed up an FFT calculation within a for loop for a repeating signal. the signal matrix is 36350x2048, 36350 being ...
Missing: Cross- Correlation FHT locking.
» Speeding up the computation of cross-correlation using the FHT and FFT by page-locking. MUKHERJI, S; RATHI, A 2024-03-20. View Record | View Original.
Mar 20, 2019 · This matching analysis is typically performed using either cross-correlation in the spatial domain or phase correlation in the frequency domain.