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Fig.27
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Parameters of
X, Y initial sets were defined by nodes of some grid on the image plane.
Density of the grid was chosen so that in any circle in radius R_min/2 one
node of this grid hitted even. In the case of a square grid its step should
be less, than R_min/sqrt(2). Remaining parameters were prescribed identical
to all sets. A value of parameter B corresponding to length of initial contiguous
segments was chosen smaller than (R_min/2)*sqrt(3). This choice is caused
by the obtained theoretical estimation for a resolving power of the suggested
approximation method. Parameter D was chosen equal 0.5*B, A - arbitrary,
P1 = P2 = 0.