kernels.hpp File Reference

Header file for kernel functions and utilities. More...

Go to the source code of this file.

Namespaces
namespace	hmap

Enumerations
enum	hmap::KernelType : int {   hmap::BIWEIGHT , hmap::CUBIC_PULSE , hmap::CONE , hmap::CONE_SMOOTH ,   hmap::DISK , hmap::LORENTZIAN , hmap::SMOOTH_COSINE , hmap::SQUARE ,   hmap::TRICUBE , hmap::CUPOLA }
	Enumeration for different kernel functions used in various algorithms. More...

Functions
Array	hmap::get_kernel (glm::ivec2 shape, KernelType kernel_type)
	Generate a kernel of the specified type.
Array	hmap::biweight (glm::ivec2 shape)
	Generates a biweight kernel array.
Array	hmap::blackman (glm::ivec2 shape)
	Generates a Blackman window array with the specified shape.
Array	hmap::cone (glm::ivec2 shape)
	Generates a cone-shaped kernel array.
Array	hmap::cone_talus (float height, float talus)
	Generates a cone-shaped kernel with specified height and talus.
Array	hmap::cone_smooth (glm::ivec2 shape)
	Generates a cone-shaped kernel with a smooth landing.
Array	hmap::cubic_pulse (glm::ivec2 shape)
	Generates a cubic pulse kernel array.
std::vector< float >	hmap::cubic_pulse_1d (int nk)
	Generates a 1D cubic pulse kernel.
Array	hmap::cubic_pulse_directional (glm::ivec2 shape, float angle, float aspect_ratio, float anisotropy)
	Generates a "directional" cubic pulse kernel.
Array	hmap::cubic_pulse_truncated (glm::ivec2 shape, float slant_ratio, float angle)
	Generates a truncated cubic pulse kernel.
Array	hmap::cupola (glm::ivec2 shape, float rc=0.5f)
	Generate a 2D radial cupola kernel.
Array	hmap::disk (glm::ivec2 shape)
	Generates a disk-shaped kernel footprint.
Array	hmap::disk_smooth (glm::ivec2 shape, float r_cutoff=0.9f)
	Generates a smooth, disk-shaped kernel footprint with soft edges.
Array	hmap::gabor (glm::ivec2 shape, float kw, float angle, bool quad_phase_shift=false)
	Generates a Gabor kernel of the specified shape.
Array	hmap::gabor_dune (glm::ivec2 shape, float kw, float angle, float xtop, float xbottom)
	Generates a modified dune-like Gabor kernel.
Array	hmap::hann (glm::ivec2 shape)
	Generates a Hann window array with the specified shape.
Array	hmap::lorentzian (glm::ivec2 shape, float footprint_threshold=0.1f)
	Generate a Lorentzian kernel.
Array	hmap::lorentzian_compact (glm::ivec2 shape)
	Generate a modified Lorentzian kernel with compact support.
Array	hmap::sinc_radial (glm::ivec2 shape, float kw)
	Generates a radial sinc function array with the specified shape and wave number.
Array	hmap::sinc_separable (glm::ivec2 shape, float kw)
	Generates a separable sinc function array with the specified shape and wave number.
Array	hmap::smooth_cosine (glm::ivec2 shape)
	Generate a smooth cosine kernel.
Array	hmap::square (glm::ivec2 shape)
	Generate a square-shaped kernel.
Array	hmap::tricube (glm::ivec2 shape)
	Generate a tricube kernel.

Detailed Description

Header file for kernel functions and utilities.

Author

Otto Link (otto..nosp@m.link.nosp@m..bv@g.nosp@m.mail.nosp@m..com)

This header file declares functions for generating various types of kernel functions used in statistical and computational applications. These kernels include common types such as biweight, cubic pulse, Lorentzian, and smooth cosine, among others.

Copyright

Copyright (c) 2023 Otto Link