NumCpp  2.9.0
A Templatized Header Only C++ Implementation of the Python NumPy Library
uniformFilter1d.hpp
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1 #pragma once
29 
30 #include "NumCpp/Core/Slice.hpp"
31 #include "NumCpp/Core/Types.hpp"
35 #include "NumCpp/NdArray.hpp"
36 
37 namespace nc
38 {
39  namespace filter
40  {
41  //============================================================================
42  // Method Description:
54  template<typename dtype>
56  uint32 inSize,
57  Boundary inBoundaryType = Boundary::REFLECT,
58  dtype inConstantValue = 0)
59  {
60  NdArray<dtype> arrayWithBoundary =
61  boundary::addBoundary1d(inImageArray, inBoundaryType, inSize, inConstantValue);
62  NdArray<dtype> output(1, inImageArray.size());
63 
64  const uint32 boundarySize = inSize / 2; // integer division
65  const uint32 endPoint = boundarySize + inImageArray.size();
66 
67  for (uint32 i = boundarySize; i < endPoint; ++i)
68  {
69  NdArray<dtype> window = arrayWithBoundary[Slice(i - boundarySize, i + boundarySize + 1)];
70 
71  output[i - boundarySize] = mean(window).item();
72  }
73 
74  return output;
75  }
76  } // namespace filter
77 } // namespace nc
Holds 1D and 2D arrays, the main work horse of the NumCpp library.
Definition: NdArrayCore.hpp:72
size_type size() const noexcept
Definition: NdArrayCore.hpp:4105
value_type item() const
Definition: NdArrayCore.hpp:2809
A Class for slicing into NdArrays.
Definition: Slice.hpp:44
NdArray< dtype > addBoundary1d(const NdArray< dtype > &inImage, Boundary inBoundaryType, uint32 inKernalSize, dtype inConstantValue=0)
Definition: addBoundary1d.hpp:60
NdArray< dtype > uniformFilter1d(const NdArray< dtype > &inImageArray, uint32 inSize, Boundary inBoundaryType=Boundary::REFLECT, dtype inConstantValue=0)
Definition: uniformFilter1d.hpp:55
Boundary
Boundary condition to apply to the image filter.
Definition: Boundary.hpp:38
Definition: Coordinate.hpp:45
NdArray< double > mean(const NdArray< dtype > &inArray, Axis inAxis=Axis::NONE)
Definition: mean.hpp:52
std::uint32_t uint32
Definition: Types.hpp:40