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Tagged with scipyconvolution
3 questions
1vote
1answer
458views
Why does the 1st derivative appear to lag the slope of the fit in Scipy's Savitzky-Golay filter?
I have a simple script that performs the Savitzky-Golay filter on a toy dataset of forex prices from yahoo finance: ...
- 121
1vote
0answers
28views
Should the weights be rotated when using SciPy full convolution?
I use SciPy's single.convolve2d in "full" mode to compute gradient w.r.t to convolution layer inputs. In my current implementation, I don't rotate filters as suggested by this article because I assume ...
- 125
1vote
1answer
1kviews
How to perform convolution with kernel bigger than image?
In this question I've seen an example of convolution by the kernel with the shape bigger than initial image's one: ...
- 55
