Had to guess the effect on filters "down the line", as you couldn't Previously, the preview was only of the output of the filter beingĬonfigured, and so it was much harder to adjust parameters since you Output of any filter in the filter list while configuring any filter. Size, centroid location, shape, bounding box, and apparent orientation, They are microorganisms), traces the outer boundary of it, computes the Identifies each critter (referred to as a "particle", as in many cases Selected by the user), and the other pixels to the opposite color Pixels whose values are inside a specified range to black (or white, as Kernel read from a user-specified file), with saturation of the resultsĪt the ends of the pixel value range (0-255) and arbitrary scaling and Pre-computed average across the whole video (output by the filter notedĪbove), or a constant floating-point value, or a convolution using a Input, input minus pixel, etc.) to any of a list of inputs (a rollingĪverage of each pixel's value with user-specified parameters, or a "paint-program"-like user interface for ease of use,and with the ability to erase different areas in different ranges of frames (i.e., different parts of the video).įilter affectionately known as the "Swiss Army Knife", because it canĪpply any of a list of operations (pixel minus input, pixel divided by Specified value) of arbitrary areas of a frame, with a
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