Based on the difference expansion and difference shifting, a novel reversible watermarking algorithm for digital vector map is proposed.
利用差分平移和差分扩张，提出一种新的应用于数字矢量地图的可逆水印算法。
This paper proposed a reversible data hiding algorithm for color images based on prediction error difference expansion and Least Significant Bit (LSB) replacement.
将差值扩展技术应用于彩色图像，提出一种基于预测误差差值扩展和最低有效位(LSB)替换的彩色图像可逆数据隐藏算法。
To decrease embedding distortion from difference expansion, a difference histogram-based selection scheme was introduced, which gave priority to the differences with small magnitude.
为减少由扩展嵌入所引起的图形失真，借助差值直方图来选取可嵌入差值，优先选择绝对值小的差值。
The difference expansion of the steam turbine reflects the gap change between the dynamic and static parts of the turbine, which is one of the important parameters to protect its safe operation.
汽轮机差胀反映出汽轮机动静部分的间隙变化，是保护汽轮机安全运行的重要参数之一。
The difference expansion of the steam turbine reflects the gap change between the dynamic and static parts of the turbine, which is one of the important parameters to protect its safe operation.
汽轮机差胀反映出汽轮机动静部分的间隙变化，是保护汽轮机安全运行的重要参数之一。
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