ARTSCENE Internals

Individual stages of the image filtering pipeline exposed through artscene_filter.

Index

color_to_gray, contrast_normalization, surround_kernel, ddt_x
oriented_kernel, ddt_y, contrast_sensitive_oriented_filtering, contrast_insensitive_oriented_filtering
competition_kernel, ddt_z, orientation_competition, patch_orientation_color

Image Preprocessing

`color_to_gray`

AdaptiveResonance.color_to_gray — Function

color_to_gray(image::Array{T<:AbstractFloat, 3}) -> Matrix

Summary

ARTSCENE Stage 1: Color-to-gray image transformation.

Method List / Definition Locations

color_to_gray(image)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:23.

source

`contrast_normalization`

AdaptiveResonance.contrast_normalization — Function

contrast_normalization(
    image::AbstractArray{T} where T<:Real
) -> Any

Summary

ARTSCENE Stage 2: Constrast normalization.

Method List / Definition Locations

contrast_normalization(image)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:65.

source

`surround_kernel`

AdaptiveResonance.surround_kernel — Function

surround_kernel(
    i::Integer,
    j::Integer,
    p::Integer,
    q::Integer,
    scale::Integer
) -> Any

Summary

Surround kernel S function for ARTSCENE Stage 2.

Method List / Definition Locations

surround_kernel(i, j, p, q, scale)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:32.

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`ddt_x`

AdaptiveResonance.ddt_x — Function

ddt_x(
    x::AbstractArray{T} where T<:Real,
    image::AbstractArray{T} where T<:Real,
    sigma_s::AbstractArray{T} where T<:Real
) -> SharedArrays.SharedArray{Float64, 3}

Summary

Time rate of change of LGN network (ARTSCENE Stage 2).

Method List / Definition Locations

ddt_x(x, image, sigma_s)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:39.

source

Orientation Filtering

`oriented_kernel`

AdaptiveResonance.oriented_kernel — Function

oriented_kernel(
    i::Integer,
    j::Integer,
    p::Integer,
    q::Integer,
    k::Integer,
    sigma_h::Real,
    sigma_v::Real;
    sign
) -> Any

Summary

Oriented, elongated, spatially offset kernel G for ARTSCENE Stage 3.

Method List / Definition Locations

oriented_kernel(i, j, p, q, k, sigma_h, sigma_v; sign)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:90.

source

`ddt_y`

AdaptiveResonance.ddt_y — Function

ddt_y(
    y::AbstractArray{T} where T<:Real,
    X_plus::AbstractArray{T} where T<:Real,
    X_minus::AbstractArray{T} where T<:Real,
    alpha::Real
) -> SharedArrays.SharedArray{Float64, 4}

Summary

Shunting equation for ARTSCENE Stage 3.

Method List / Definition Locations

ddt_y(y, X_plus, X_minus, alpha)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:112.

source

`contrast_sensitive_oriented_filtering`

AdaptiveResonance.contrast_sensitive_oriented_filtering — Function

contrast_sensitive_oriented_filtering(
    image::AbstractArray{T} where T<:Real,
    x::AbstractArray{T} where T<:Real
) -> Any

Summary

ARTSCENE Stage 3: Contrast-sensitive oriented filtering.

Method List / Definition Locations

contrast_sensitive_oriented_filtering(image, x)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:151.

source

`contrast_insensitive_oriented_filtering`

AdaptiveResonance.contrast_insensitive_oriented_filtering — Function

contrast_insensitive_oriented_filtering(
    y::AbstractArray{T} where T<:Real
) -> Any

Summary

ARTSCENE Stage 4: Contrast-insensitive oriented filtering.

Method List / Definition Locations

contrast_insensitive_oriented_filtering(y)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:182.

source

Competition and Patches

`competition_kernel`

AdaptiveResonance.competition_kernel — Function

competition_kernel(l::Integer, k::Integer; sign) -> Any

Summary

Competition kernel for ARTSCENE: Stage 5.

Method List / Definition Locations

competition_kernel(l, k; sign)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:195.

source

`ddt_z`

AdaptiveResonance.ddt_z — Function

ddt_z(
    z::AbstractArray{T} where T<:Real
) -> SharedArrays.SharedArray{Float64, 4}

Summary

Time rate of change for ARTSCENE: Stage 5.

Method List / Definition Locations

ddt_z(z)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:211.

source

`orientation_competition`

AdaptiveResonance.orientation_competition — Function

orientation_competition(
    z::AbstractArray{T} where T<:Real
) -> Any

Summary

ARTSCENE Stage 5: Orientation competition at the same position.

Method List / Definition Locations

orientation_competition(z)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:236.

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`patch_orientation_color`

AdaptiveResonance.patch_orientation_color — Function

patch_orientation_color(
    z::AbstractArray{T} where T<:Real,
    image::AbstractArray{T} where T<:Real
) -> Tuple{Any, Array{Float64, 3}}

Summary

ARTSCENE Stage 6: Create patch feature vectors.

Method List / Definition Locations

patch_orientation_color(z, image)

defined at /home/runner/work/AdaptiveResonance.jl/AdaptiveResonance.jl/src/ARTMAP/ARTSCENE.jl:257.

source