其次在相邻帧差分边缘和当前帧边缘的基础上,检测出视频对象的初始边缘模板。
On the basis of difference edge mask and current edge mask, a binary edge model of the video object is initialized.
全帧鱼眼镜头拍到了地平线上所有东西,包括边缘一圈被灯光照亮的地景,正在脑袋上方的天顶。
The full fisheye frame shows everything above the horizon, including a lamp-illuminated landscape around the edges, and the zenith of the sky directly overhead.
对比之下,H . 264是强度自适应的,基于DCT系数是否存在给定边缘的任何一边,和基于运动矢量差值和参考帧在边缘的差值。
H. 264's, by comparison, is strength-adaptive based on whether DCT coefficients exist on either side of a given edge and based on the motion vector delta and reference frame delta across said edge.
将边缘检测法与改进帧差法进行有机结合,有效地实现了运动和静止车辆的同时检测。
It combines organically the edge detection method and the improved frame difference method to effectively detect the moving and stagnant vehicles simultaneously.
车辆检测常用的有帧差法、背景差法和边缘检测法等。
There are usually three approaches for vehicle detection, that is frame differencing, background differencing and edge detection.
提出了一种将垂直颜色边缘与分块多帧分析的文本定位与增强的方法。
A new method of text location and enhancement based on vertical color edge and block multi-frame analysis is presented.
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。
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.
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;
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.
以太网数据进入边缘节点后,首先经过10B/8B解码、去除以太网帧头,然后加上标签并分类组装成突发包。
When data packets from 1000M Ethernets get into an ingress node, they firstly pass a 10B/8B decoder, and then they are stripped of their Ethernet package and added a label.
利用小波包分析算法提取出单帧图像的边缘信息并获得细化的目标区域边缘图;
Firstly, a rough motion mask is obtained by introducing a motion area segmentation method based on an improved accumulative frame- difference algorithm and optimal threshold segmentation.
利用小波包分析算法提取出单帧图像的边缘信息并获得细化的目标区域边缘图;
Firstly, a rough motion mask is obtained by introducing a motion area segmentation method based on an improved accumulative frame- difference algorithm and optimal threshold segmentation.
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