Standard Deviation Filter

Features:

Modifies the dataset with a Standard Deviation filter to visualize the edges of the objects. This filter is global and will be retained for all other functions and treatments.

Steps:

  1. Select Filtering and Enhancement  Standard Deviation filter. After completion, click OK and visualize the filtered image.

  2. The filtered image can be returned to the original image by using Filtering and Enhancement → Remove all Filters and Enhancements or Reset button.

Additional Information:

The algorithm performs standard deviation filtering of the dataset (spatial only) for each frame and returns the filtered image. The value of each output pixel is the standard deviation of the 3-by-3 neighborhood around the corresponding input pixel. For pixels on the borders the algorithm uses symmetric padding where the values of padding pixels are a mirror reflection of the border pixels.

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Asymmetric Least Square Smoothing

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Decorrelation Stretch