[SciPy-user] PIL and gaussian_filter?
Wed May 21 16:15:31 CDT 2008
2008/5/21 Stéfan van der Walt <email@example.com>:
> 2008/5/21 Johannes Strömberg <firstname.lastname@example.org>:
>> Thanks a lot, it works like a charm.
>> Does anyone know of an efficient way of implementing a threshold
>> filter, i.e. where the resulting value is either the difference
>> between the current value and the threshold (if the value is above the
>> threshold) or otherwise 0?
> Unless you have really large data-sets, you can do:
> mask = x > threshold
> x[~mask] = 0
> x[mask] -= threshold
Or if you want it inplace:
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