First of all, a macroblock-based histogram of difference is introduced, and bits are allocated rationally among coding units according to image complexities.
本文给出了一种基于宏块的差图像直方图法，并根据图像复杂度在编码单元之间合理分配比较率。
Based on the Discrete Cosine Transform (DCT) coefficient histogram difference sequences of JPEG images, a new steganalytic method was proposed to realize the steganalysis of JPEG MB2.
基于JPEG图像的离散余弦变换（DCT）系数直方图差值序列，提出一种新的检测JPEGMB2隐写术的方法。
To compare two images, you take the absolute value of the difference between each histogram bucket, and then sum these values.
为了比较两个图像，则采取每个直方图桶之间的差的绝对值，并再总结这些值。
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。
The difference of H histogram and S histogram of the images can be used to classify new and used bills.
利用色度H和饱和度S直方图分布差异来反映新旧差别。
By using image difference and gray stretch technique, image histogram analysis method was used to investigate the movement of particles in image sequence.
利用差分法配合灰度拉伸对颗粒运动图像进行了处理 ，直方图分析表明 ，像素在灰度上的分布特性与颗粒运动的剧烈程度具有相关性。
The pixel-matching two-difference algorithm and two histogram comparison are used for shot detection, a method of extraction shot key frame based on distance of adjacent frame is presented.
首先使用改进了的像素匹配二次差分法结合双阈值法进行镜头突变和渐变的检测，然后对镜头内的帧间距离进行判断来提取关键帧；
The algorithm uses a difference image histogram of four directions to measure the influence of spatial correlation, and temporal correlation is measured by the histogram of frame difference.
该算法利用视频序列中各帧的四方向差分直方图度量隐写对空间相关性的影响，同时利用相邻帧帧间差分的直方图度量隐写对时间相关性的影响。
It is shown to outperform the conventional technique that USES a histogram-based measure of frame difference. This approach performs very well in b...
该方法比起传统的使用帧间柱状图差分的方法，在实时性和直观性上都做得非常好。
It is shown to outperform the conventional technique that USES a histogram-based measure of frame difference. This approach performs very well in b...
该方法比起传统的使用帧间柱状图差分的方法，在实时性和直观性上都做得非常好。
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