Method for the enhancement of complex peaks

Details Method for the enhancement of complex peaks Method for the enhancement of complex peaks

2002-12-18

2008-09-30

Tabatabai, Abolfazl (Department: 2624)

Image analysis

Applications

C380S001000, C380S200000

Reexamination Certificate

active

07430301

ABSTRACT:
A method (200) of enhanced peak detection in a correlation signal (g(x)) is disclosed. The method (200) comprises identifying (215) in the correlation signal (g(x)) positions where the modulus value of the correlation signal is above a first predetermined value. Each of the identified positions is then processed by forming (220) a sub-signal from the correlation signal by isolating a region of samples, the region comprising substantially equal numbers of samples on opposite sides of the identified position. The sub-signal is then up-sampled (221, 222, 225) to a higher resolution using Fourier interpolation. The up-sampled sub-signal is searched (230) for a peak value, and when the peak value is greater than a second predetermined value, parameters associated with the peak value is stored (236).

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