BMW X Coupé concept-car
BMW X Coupé concept-car

Pencil

PencilDetect the contrasting pixels in an image and makes a pixel black or white depending on whether the difference in contrast is greater than a specified bias value.

Bias - If the difference in contrast between two pixels is greater than the given bias, the pixel is colored white, otherwise it will be made black.

Inverse - Invert the black and white pixels.

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