middle_frame {specklestar}

Middle frame

Description

Average image of the series of 512 x 512 px images

Usage

middle_frame(filename, subtrahend, threshold = 50000L)

Arguments

filename

A string.

subtrahend

512 x 512 matrix to subtract.

threshold

An integer (default 50000).

Value

The 512 x 512 matrix of middle speckle image.

Examples

obj_filename <- system.file("extdata", "ads15182_550_2_frames.dat", package = "specklestar")
zero_matrix <- matrix(0, 512, 512)
mf <- middle_frame(obj_filename, subtrahend = zero_matrix)