imgBilinearScale {biOps}R Documentation

Scale an image

Description

This function scales an image using bilinear interpolation and returns a new image.

Usage

imgBilinearScale(imgdata, x_scale, y_scale)

Arguments

imgdata The image
x_scale The horizontal scale factor
y_scale The vertical scale factor

Value

return an imagedata object

Note

The scale factors are expected to be greater than 1. To reduce an image use the minification functions instead.

See Also

imgScale imgNearestNeighborScale imgCubicScale imgSplineScale imgMedianShrink imgAverageShrink

Examples

        ## Not run: 
                x <- readJpeg(system.file("samples", "violet.jpg", package="biOps"))
                y <- imgBilinearScale(x, 1.5, 1.5)
        
## End(Not run)

[Package biOps version 0.2.1 Index]