Image - Features🔗
Operators🔗
area_center_gray: Compute the area and center of gravity of a region in a gray value
image.
cooc_feature_image: Calculate a co-occurrence matrix and derive gray value features thereof.
cooc_feature_matrix: Calculate gray value features from a co-occurrence matrix.
elliptic_axis_gray: Compute the orientation and major axes of a region in a gray value
image.
entropy_gray: Determine the entropy and anisotropy of images.
estimate_noise: Estimate the image noise from a single image.
fit_surface_first_order: Calculate gray value moments and approximation by a first order surface
(plane).
fit_surface_second_order: Calculate gray value moments and approximation by a second order surface.
fuzzy_entropy: Determine the fuzzy entropy of regions.
fuzzy_perimeter: Calculate the fuzzy perimeter of a region.
gen_cooc_matrix: Calculate the co-occurrence matrix of a region in an image.
gray_features: Calculates gray value features for a set of regions.
gray_histo: Calculate the gray value distribution.
gray_histo_abs: Calculate the gray value distribution.
gray_histo_range: Calculate the gray value distribution of a single channel image within a
certain gray value range.
gray_projections: Calculate horizontal and vertical gray-value projections.
histo_2dim: Calculate the histogram of two-channel gray value images.
intensity: Calculate the mean and deviation of gray values.
min_max_gray: Determine the minimum and maximum gray values within regions.
moments_gray_plane: Calculate gray value moments and approximation by a plane.
plane_deviation: Calculate the deviation of the gray values from the approximating
image plane.
select_gray: Select regions based on gray value features.
shape_histo_all: Determine a histogram of features along all threshold values.
shape_histo_point: Determine a histogram of features along all threshold values.