fourier.h File Reference
#include <mrpt/utils/utils_defs.h>
#include <mrpt/math/CMatrixTemplateNumeric.h>
#include <mrpt/math/CVectorTemplate.h>
Go to the source code of this file.
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Namespaces |
namespace | mrpt |
| The main namespace for all the Mobile Robot Programming Toolkit (MRPT) C++ libraries.
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namespace | mrpt::math |
| This base provides a set of functions for maths stuff.
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Functions |
void MRPTDLLIMPEXP | mrpt::math::fft_real (vector_float &in_realData, vector_float &out_FFT_Re, vector_float &out_FFT_Im, vector_float &out_FFT_Mag) |
| Computes the FFT of a 2^N-size vector of real numbers, and returns the Re+Im+Magnitude parts.
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void MRPTDLLIMPEXP | mrpt::math::dft2_real (const CMatrixFloat &in_data, CMatrixFloat &out_real, CMatrixFloat &out_imag) |
| Compute the 2D Discrete Fourier Transform (DFT) of a real matrix, returning the real and imaginary parts separately.
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void MRPTDLLIMPEXP | mrpt::math::idft2_real (const CMatrixFloat &in_real, const CMatrixFloat &in_imag, CMatrixFloat &out_data) |
| Compute the 2D inverse Discrete Fourier Transform (DFT).
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void MRPTDLLIMPEXP | mrpt::math::dft2_complex (const CMatrixFloat &in_real, const CMatrixFloat &in_imag, CMatrixFloat &out_real, CMatrixFloat &out_imag) |
| Compute the 2D Discrete Fourier Transform (DFT) of a complex matrix, returning the real and imaginary parts separately.
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void MRPTDLLIMPEXP | mrpt::math::idft2_complex (const CMatrixFloat &in_real, const CMatrixFloat &in_imag, CMatrixFloat &out_real, CMatrixFloat &out_imag) |
| Compute the 2D inverse Discrete Fourier Transform (DFT).
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void MRPTDLLIMPEXP | mrpt::math::cross_correlation_FFT (const CMatrixFloat &A, const CMatrixFloat &B, CMatrixFloat &out_corr) |
| Correlation of two matrixes using 2D FFT.
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