面向水印嵌入与提取的广播电视信号检测技术

Detection Technology for Watermark Embedding and Extraction in Broadcast Television Signals

为维护广播内容的完整性与合法性,研究广播电视信号检测中的水印嵌入与提取技术。介绍数字水印的概念,探讨在广播电视信号中嵌入水印的过程,特别是加速稳健特征(Speeded Up Robust Features,SURF)算法的应用,阐述水印提取与检测方法,以确保广播内容的完整性。通过功能分析,展示该技术在广播电视行业中对未经授权的广告插播检测和信号篡改检测的关键作用。

In order to maintain the integrity and legitimacy of broadcast content,this paper studies the technology of watermark embedding and extraction in radio and television signal detection.This paper introduces the concept of digital watermarking,discusses the process of embedding watermarking in radio and television signals,especially the application of Speeded Up Robust Features(SURF)algorithm,describes the watermark extraction and detection methods to ensure the integrity of broadcast content.Through functional analysis,this paper shows the key role of this technology in the detection of unauthorized advertisement breaks and signal tampering in the broadcast and television industry.