Sentence examples for variance of image from inspiring English sources

The equivalent number of looks is defined as ENL = E{I}2/Var{I} where E{I} and Var{I} are mean and variance of image intensity, respectively.

Delsanto et al. [ 15, 16] developed a completely user-independent algorithm to locate the CCA tunicae as a ROI considering the mean value and variance of image intensity.

For multifocus image fusion, many typical focus measurements, e.g. variance, energy of image gradient (EOG), spatial frequency (SF), and energy of Laplacian (EOL) of the image, are compared in literature [28].

Briefly, a series of images was reconstructed with differently assumed x-positions of the rotational axis, and the variance of each image was calculated.

Fig. 5 This graph shows the monotonic decreasing behavior of the variance of the image for coherence enhanced diffusion (CED).

Second, the region of interest (ROI) is segmented by using the local mean variance of the image and a series of subsequent processing.

Speckle variance identifies microvasculature by calculating the interframe intensity variance of structural images, providing a non-invasive high sensitivity imaging technique capable of visualizing capillaries without the use of exogenous contrast agents [ 6].

Most variance of lip images during speaking is along opening and closing of lips.

The variance of the images from a typical dataset varied from to.

The possibility of using spectral variance of satellite images for predicting species richness is known as Spectral Variation Hypothesis.

In cases of spatially correlated noise, high complexity of images and small values of noise variance, sufficient improvement of image quality due to filtering is problematic.