Background Removal

The Background Filter attempts to remove large areas of consistent texture. The window size is used to create an average pixel value (RGB) by summing all pixel values in the window and dividing by the window size. This average pixel value is then compared to the current image pixel value at the center of the window/sample area. If the image pixel value is within a specified distance to the average the pixel is assumed to be a background pixel and set to black. Those pixel values that are not within the mean distance to the average pixel is considered to be a foreground pixel and its value is untouched. The window is then shifted by one pixel and the process repeated to process the entire image.


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