.SPE2df                 Function to convert 'SpatialExperiment' object
                        to a data frame
.df2ppp                 Function to convert 'data.frame' to 'ppp'
                        object
.intensityImage         Function to estimate the intensity image of a
                        point pattern
.intensityThreshold     Function to estimate the intensity threshold
                        for the reconstruction of spatial structures
SPE2ppp                 Function to convert spatial coordinates of a
                        'SpatialExperiment' object to a 'ppp' object
assingCellsToStructures
                        Function to assign points / coordinates to
                        structures
binaryImageToSF         Converts a binary matrix to an sf polygon
cellTypeProportions     Calculate the proportion of each cell type
                        within spatial structures
createPointPatternTissue
                        Create a Point Pattern on a Simulated Tissue
                        Image
estimateReconstructionParametersSPE
                        Estimate reconstruction parameters from a set
                        of images
findIntensityThreshold
                        Estimate the intensity threshold for the
                        reconstruction of spatial structures
getDimXY                Function to get the dimension based on dim of y
                        axis
meanShapeMetrics        Calculate mean shape metrics of a set of
                        polygons
minBoundaryDistances    Compute minimum boundary distances for each
                        cell within its corresponding image structures
normalizeCoordinates    Function to normalize coordinates between zero
                        and one while keep scaling
reconstructShapeDensity
                        Reconstruct polygon from point pattern density
reconstructShapeDensityImage
                        Reconstruct structure from spe object with
                        given image id
reconstructShapeDensitySPE
                        Reconstruct structure from spatial experiment
                        object per image id
shapeIntensityImage     Intensity plot
shapeMetrics            Calculate a set of shape metrics of a polygon
simulateTissueBlobs     Simulate Tissue Blobs
sostaSPE                Example SpatialExperiment Object with Simulated
                        Tissue Images and Point Patterns
spatialCoords2SF        Function to convert spatialCoords to an sf
                        object
stCalculateCurvature    Calculate curvature of sf object
stCalculateShapeCurl    Calculate curl of a polygon
stFeatureAxes           Calculate the length of feature axes of an sf
                        polygon
totalShapeMetrics       Calculate a set of shape metrics of a set of
                        polygons
xyCoordinates           Function to extract x y coordinates from binary
                        image
