NumCpp  2.12.1
A Templatized Header Only C++ Implementation of the Python NumPy Library
meanFilter1d.hpp
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1
28#pragma once
29
30#include "NumCpp/Core/Slice.hpp"
31#include "NumCpp/Core/Types.hpp"
35#include "NumCpp/NdArray.hpp"
36
37namespace nc::filter
38{
39 //============================================================================
40 // Method Description:
49 template<typename dtype>
51 uint32 inSize,
52 Boundary inBoundaryType = Boundary::REFLECT,
53 dtype inConstantValue = 0)
54 {
55 NdArray<dtype> arrayWithBoundary =
56 boundary::addBoundary1d(inImageArray, inBoundaryType, inSize, inConstantValue);
57 NdArray<double> output(1, inImageArray.size());
58
59 const uint32 boundarySize = inSize / 2; // integer division
60 const uint32 endPoint = boundarySize + inImageArray.size();
61
62 for (uint32 i = boundarySize; i < endPoint; ++i)
63 {
64 NdArray<dtype> window = arrayWithBoundary[Slice(i - boundarySize, i + boundarySize + 1)];
65
66 output[i - boundarySize] = mean(window).item();
67 }
68
69 return output;
70 }
71} // namespace nc::filter
size_type size() const noexcept
Definition: NdArrayCore.hpp:4524
value_type item() const
Definition: NdArrayCore.hpp:3022
A Class for slicing into NdArrays.
Definition: Slice.hpp:45
NdArray< dtype > addBoundary1d(const NdArray< dtype > &inImage, Boundary inBoundaryType, uint32 inKernalSize, dtype inConstantValue=0)
Definition: addBoundary1d.hpp:56
Definition: addBoundary1d.hpp:44
NdArray< double > meanFilter1d(const NdArray< dtype > &inImageArray, uint32 inSize, Boundary inBoundaryType=Boundary::REFLECT, dtype inConstantValue=0)
Definition: meanFilter1d.hpp:50
Boundary
Boundary condition to apply to the image filter.
Definition: Boundary.hpp:36
NdArray< double > mean(const NdArray< dtype > &inArray, Axis inAxis=Axis::NONE)
Definition: mean.hpp:52
std::uint32_t uint32
Definition: Types.hpp:40