3D Barcode (Bumpy Barcode)

Bumpy Bar Code (BBC) is a linear bar code symbology marked as raised relief, allowing it to be read without visual contrast.

Bumpy Bar Code (BBC) is any linear bar code symbology marked on a material so that it can be read without relying on contrast. Typically, bar codes are read by detecting the visual contrast — the black-and-white difference — between the bars and the background. Bumpy Bar Codes instead use relief, or "bumpy" texture, to determine where the bars and spaces are located within the code. This technology allows a mark with zero contrast (white bars on white background, or black bars on black background) to be read without paint, ink, or special lighting.

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