Note
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Dynamic background correction#
This example shows how to remove the dynamic background of an EBSD pattern using
remove_dynamic_background()
.
More details are given in the pattern processing tutorial.

[[84 87 90 ... 27 29 30]
[87 90 93 ... 27 28 30]
[92 94 97 ... 39 28 29]
...
[80 82 84 ... 36 30 26]
[79 80 82 ... 28 26 26]
[76 78 80 ... 26 26 25]]
[ ] | 0% Completed | 530.10 us
[########################################] | 100% Completed | 102.99 ms
[ ] | 0% Completed | 144.98 us
[########################################] | 100% Completed | 100.48 ms
import matplotlib.pyplot as plt
import kikuchipy as kp
# Load low resolution Ni patterns and check that the *static* background
# pattern is stored with the signal
s = kp.data.nickel_ebsd_small()
print(s.static_background)
s.remove_static_background()
s2 = s.remove_dynamic_background(inplace=False)
# Plot pattern before and after correction and the intensity histograms
patterns = [s.inav[0, 0].data, s2.inav[0, 0].data]
fig, axes = plt.subplots(2, 2, height_ratios=[3, 1.5])
for ax, pattern, title in zip(axes[0], patterns, ["Static", "Dynamic"]):
ax.imshow(pattern, cmap="gray")
ax.set_title(title)
ax.axis("off")
for ax, pattern in zip(axes[1], patterns):
ax.hist(pattern.ravel(), bins=100)
fig.tight_layout()
Total running time of the script: ( 0 minutes 2.915 seconds)
Estimated memory usage: 11 MB