A design of sign video image expander for HDMI source using bicubic interpolation

Abstract

This paper describes a device for real-time expanding sign language images inserted in any TV programs by 2×2 scale factor. Bicubic interpolation is used as an image expansion method. The 2×2 scale factor simplifies the bicubic interpolation formula to just division by two operations which enables an efficient hardware implementation. As a… (More)

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