Gaorong Zeng

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We propose a novel blind robust watermarking scheme which embeds a digital watermark into the DCT coefficients of the host image based on human visual models (HVS). Watermark extraction utilizes independent component analysis (ICA) technique which is a blind source separation procedure without requiring the host image and the original watermark. Our method(More)
Based on the structure and theory of optical-mechanical-electrical automatic ranging system of vehicles, paper has a discussion and research of the architecture and design of auto ranging system with risk estimation and decision making basing on MPC5200, which includes hardware architecture, software architecture and key technology, etc. The system adopts(More)
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