scipy tutorial - Baustatik-Info-Server

SciPy Reference Guide, Release 0.8.dev
>>> plt.figure()
>>> plt.imshow(image)
>>> plt.gray()
>>> plt.title(’Original image’)
>>> plt.show()
>>> plt.figure()
>>> plt.imshow(deriv)
>>> plt.gray()
>>> plt.title(’Output of spline edge filter’)
>>> plt.show()
1.7.2 Filtering
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Original image
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Output of spline edge filter
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Filtering is a generic name for any system that modifies an input signal in some way. In SciPy a signal can be thought
of as a Numpy array. There are different kinds of filters for different kinds of operations. There are two broad kinds
34 Chapter 1. SciPy Tutorial