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基于光纖FP干涉儀的壓力傳感器的制作方法

成果領域:

推廣方式:

成果歸屬企業(yè): 深圳大學

成果鑒定時間:

成果介紹

本發(fā)明公開了一種基于混合感知哈希的視頻篡改檢測方法和裝置，通過在待檢視頻的每一幀圖像上隨機產生多個矩形塊，并對各個矩形塊依次進行編號，其中，各個矩形塊互相交疊，各個矩形塊的大小隨機產生；得到對應的結構哈希向量和哈希序列；根據待檢視頻和原始視頻的結構哈希向量計算待檢視頻和原始視頻中對應幀的結構特征距離；根據待檢視頻和原始視頻的哈希序列計算待檢視頻和原始視頻的時域特征距離；根據所述結構特征距離和時域特征距離得出待檢視頻和原始視頻的特征距離；將所述特征距離與一設定的閾值進行比較，當所述特征距離小于所述閾值時，則待檢視頻沒有被篡改；反之，則被篡改；大大提高了視頻篡改檢測速度和準確率。

成果應用案例介紹

信息通信>視頻>傳感視頻; 測量實驗>檢測方法>篡改檢測方法

聯(lián)系方式

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[ CACHE ] INIT File
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