isophote

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isophote

(ÿ -sŏ-foht) A line on a diagram joining points of equal flux density or intensity.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
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The diffusion intensity is high when the curvature is large and decreases along with the isophote furtherly smoothing.
In the steady state, when [partial derivative]u/[partial derivative]t = 0, the direction of the largest information change is perpendicular to the isophotes. Figure 10 shows an example of information propagation in an inpainting domain.
The candidate patches are selected from the whole image, with special priority being given to those along the isophotes (lines of equal gray value) so as to preserve the linear structure during the filling in.
By using third-order PDE model, the algorithm allows for the curvature of isophote lines.
The software will stack and average images, center them with respect to each other, mosaic them to create wide-field scenes, display a histogram of pixel intensities, display isophotes, blink two images to compare differences, and perform photometry on starlike objects.
He presented a challenging crop of discordant redshift oddities using false-color, visible-light images overprinted with X-ray isophotes. These dazzling images hint at physical links between distant quasars and closer active galaxies - a controversial astrophysical issue.
Finally, isophotes (lines of equal brightness) were created to show the terminator's curvature more clearly.
The isophotes created on my images correspond to an intensity level of about 20 percent of the brightest area on venus.