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System object: vision.GeometricShearer
Package: vision

Shift rows or columns of image by linearly varying offset


Y = step(H,IMG)
Y = step(H,IMG,S)


    Note:   Starting in R2016b, instead of using the step method to perform the operation defined by the System object™, you can call the object with arguments, as if it were a function. For example, y = step(obj,x) and y = obj(x) perform equivalent operations.

Y = step(H,IMG) shifts the input, IMG, and returns the shifted image, Y, with the shear values specified by the Values property.

Y = step(H,IMG,S) uses the two-element vector, S, as the number of pixels by which to shift the first and last rows or columns of IMG. This applies when you set the ValuesSource property to Input port.

    Note:   H specifies the System object on which to run this step method.

    The object performs an initialization the first time the step method is executed. This initialization locks nontunable properties (MATLAB) and input specifications, such as dimensions, complexity, and data type of the input data. If you change a nontunable property or an input specification, the System object issues an error. To change nontunable properties or inputs, you must first call the release method to unlock the object.

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