初步实验结果表明该方法能准确地检测突变和渐变边界。
Primary experimental results demonstrate that the proposed method enables to locate boundaries of gradual transitions and cuts exactly and quickly.
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；
First, the frame difference of two adjacent frames is applied to perform the predetection of cut and gradual transition.
该方法可检测出几乎所有的突变和渐变镜头，获得了良好的综合检测效果。
The method can detect almost all abrupt and gradual shot and achieve fine general detection effects.
研究人员通常将镜头转换分为突变和渐变，并根据各种转换的特点采用不同的检测算法。
Researchers usually classify scene changes as abrupt or gradual and develop respective algorithms to detect them.
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.
二者之问是源和流的关系，是从渐变到突变的医展，是由量变到质变的必然。
The relation between the two is the development from gradual transformation to mutation, as well as the inevitability from the quantitative to qualitative changes.
该算法主要由场景突变检测算法和场景渐变检测算法两部分组成。
The algorithm consists of the scene cut detection and scene gradual change detection.
本文提出了一种简单的镜头检测方法，该方法首先使用视频亮度信息检测突变镜头，然后使用亮度和色度信息检测渐变镜头。
This paper present a simple shot detection method, video brightness information is used to detect abrupt shot and the combination of brightness and chroma information is used to detection.
研究强壮箭虫对突变温度、突变盐度和渐变温度、渐变盐度的耐受性。
The tolerance to quickly-changed temperature and salinity, and gradually-changed temperature and salinity in Sagitta crassa were studied.
计算了有效弯曲半径经历渐变和突变情况下，模式功率随传播距离和有效弯曲半径的关系。
The dependences of mode power on propagation distance, effective bend radius are calculated with the bend radius experiencing sudden and gradual transition.
计算了有效弯曲半径经历渐变和突变情况下，模式功率随传播距离和有效弯曲半径的关系。
The dependences of mode power on propagation distance, effective bend radius are calculated with the bend radius experiencing sudden and gradual transition.
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