Edge histogram is extracted from gray images and discards color information of images.
边缘直方图是在灰度图像上提取的，丢弃了图像的颜色信息。
Then the features of color histogram and MPEG-7 edge histogram of each key frame are computed and the feature vectors of shot key frames are formed.
然后计算关键帧的颜色直方图和MPEG-7边缘直方图，以形成关键帧的特征；
Because peoples vision is not sensitive to the slight edge that participated in matching, making use of gray edge histogram to retrieval image has an effect on the result.
利用边缘直方图检索图像，因为人眼并不敏感的细微边缘也参与匹配，所以会影响检索效果。
Absrtact: Because people 's vision is not sensitive to the slight edge that participated in matching, making use of gray edge histogram to retrieval image has an effect on the result.
摘要：利用边缘直方图检索图像，因为人眼并不敏感的细微边缘也参与匹配，所以会影响检索效果。
In the edge strength histogram, based-moment threshold selection is used to decide the threshold.
在边界强度直方图中，采用基于矩阈值选取的方法寻找最佳阈值。
Based on the gradient histogram, the double thresholds can be found. At last, non-maximum suppression based on double thresholds is used to detect the edge.
通过基于梯度直方图来选取双阈值，最后进行基于双阈值的非极大值抑制，得到边缘检测的图像。
The multilevel segmentation algorithm which concerned edge detection and histogram has been proved a robust tool fit to the asphalt concrete image.
结合直方图分割与边缘检测的多级滤波分割算法，证明对沥青混合料图像有较好的性能。
The region histogram equalization is different from traditional histogram modification technology, the idea is based on human vision character and edge effect in image vision.
区域间直方图均衡不同于传统的直方图修正技术，该思想是充分地考虑到人类的视觉特性和边缘在图像视觉中的作用而提出的。
Firstly, the histogram is computed from the strong edge blocks in the image sequences. Then, different images are compared by algorithm of multi-resolution steps.
首先在具有明显边缘特征的图像序列中，提取图像强边缘块的直方图，然后，利用时域多分辨算法，比较不同帧之间的图像差异。
Detect the edge of smoother accessory image attained after histogram adjusting the original image and holding edge filter.
在对原始输入图像进行直方图校正和边缘保持滤波处理后，对得到的较为平滑的零件图像进行边缘检测。
The color vector Angle histogram is constructed in the image edge and used to describe the image.
在图像的边缘空间，提取图像边缘点的颜色矢量角直方图，以此来描述图像的内容。
The new histogram is very general and practical, which can be used for the threshold selection when the object is big or small and the edge model is ramp like or roof as well.
该直方图能同时用于大目标和小目标时以及边界是阶跃边缘和屋顶状边缘时的阈值选取，具有很大的通用性和实用性。
Weekly: The rally is running into heavy resistance, with weekly MACD-Histogram flattening at the right edge, indicating that the rally is near its end.
周线图：反弹遇到了严重的压力，MACD柱在右边开始变平，表明反弹快结束了。
For the texture direction histogram, we started by performing edge detection on the image.
有关纹理方向直方图，我们开始通过图像进行边缘检测。
For the texture direction histogram, we started by performing edge detection on the image.
有关纹理方向直方图，我们开始通过图像进行边缘检测。
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