measured value exceeds the value obtained by multiplying the peak by a specified coefficient before the value is separated by the constant value or more with respect to the peak value value from the minimum-valu
We applied SPM’s alternative pre-whitening method to account for autocorrelation, FAST, which has been suggested to perform better than SPM’s default120. Raw motion parameters (three translations and three rotations) were included as regressors of nuisance. This approach was also used for the ...
we have proposed a new method for image definition evaluation which uses the fuzzy entropy to measure the uncertainty degree of image and evaluates the image definition based on statistical analysis of the gray level differences of image. Second, a combined search strategy is proposed...
This peak will be located at the offset frequency, as shown in Eq. (5.23) where Ts is the symbol period and FFT denotes the discrete Fourier transform (5.23)C(f)=FFT(x4), C(f0)=max(C(f)),Δφ=2πf0Ts,y(k)=x(k)exp(-jkΔφ). While computationally intensive, this method is...
The detailed method has been described previously38,56. Briefly, we rotated the 3D Allen Mouse Brain Atlas to mimic the aberrant sectioning angle of the experimental brain. The digitized brain images were then aligned to the rotated 3D reference altas. In each digitized brain image, the ...
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In order to overcome this difficulty, multiple interferograms can be sequentially registered introducing a known small phase change amount which is linear in time; this method is well known as phase shifting [4]. In practical phase shifting, a piezoelectric device PZT is included in th...
The chili plant height and width were measured by using computer vision and image processing techniques. The plant height and width measured by the image processing method were compared with the manual measurement value (Fig. 6 and Fig. 7). The mean height, standard deviation and mean standard...
The cost of this method is an aperture that is one element smaller than the original array. Now, define a DPCA canceller. The algorithm might need to search through all combinations of angle and Doppler to locate a target, but for the example, because you know exactly where the target is...
the option of a suitable and robust signal processing method is paramount to effectively identify and diagnose faults that are suggestive of potential machine failure. The appropriateness of the technique to be applied depends upon the nature of the signal and the required accuracy of the obtained ...