To reveal the difference in the application code, each panel is further split into two horizontal frames, with the upper frame showing the online store and the lower part showing snippets of the code.
为显示应用程序代码的差异，每个面板进一步分为两个水平框架，上面的框架显示在线商店，下面部分显示代码段。
The difference and connection between two systems are described, and in the paper mainly introduced the basic frame and related supporting technology of the two systems are mainly introduced.
在分清两者的区别与联系的基础上，阐述这两大技术与系统的基本框架及其相关的支撑技术。
Depth study of two commonly used methods of target detection: Frame difference and Background difference. Separately described the basic principles, advantages and disadvantages.
深入研究了常用的两种目标检测方法：帧间差分法和背景差分法，分别阐述了这两种检测方法的基本原理和优缺点。
First, the frame difference of two adjacent frames is applied to perform the predetection of cut and gradual transition.
首先，利用相邻两帧之间的帧间差异值对突变和渐变进行预检；
Through analysis of the influence of two kinds of non-uniformity settlement, it indicates that the influence of the different settlement on the upper frame have a big difference.
通过对两种不均匀沉降方式的影响分析，表明不同作用方式对上部框架变形影响差异较大。
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 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；
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