difference histogram shifting 差值直方图平移
variable difference histogram 变差分直方图
difference histogram analysis 差分直方图分析
frequency difference histogram 频率直方图
cumulative difference histogram 累积差值直方图
sequential difference histogram 序列差值直方图
Variance of difference histogram 差分直方图方差
Local max-min difference histogram 局部极大
histogram of difference [计] 差分直方图
In the two methods, the histogram continuity of imagepixel values and the fitness bias of difference histogram are considerd as the potentialfunction, and some additional manners are used to improve the precision of estimation.
在这两种估计算法中分别采用了图像的像素直方图分布的连续性，以及差分直方图拟合偏差作为势函数，实现了对嵌入数据量的准确估计。
参考来源 - 信息隐藏安全性及优化嵌入算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A difference histogram-based reversible data hiding algorithm was proposed for authentication and covert communications of vector maps.
提出一种基于差值直方图的可逆数据隐藏算法，用于矢量地图的认证和隐秘通信。
Conventional algorithms are mainly based on histogram including cumulative difference histogram (CDIF) and sequential difference histogram (SDIF).
现有的重频分选算法有累积差值直方图法(CDIF)和序列差值直方图法(SDIF)。
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。
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