key frame造句

• Firstly , we do video segmentation and key frame extraction
  首先，进行视频分割和提取关键帧。
• And also , the number of key frames can be slightly lesser than what it would have been with pure vertex based animation
  因此，需要关键帧的数量较少一些，与基于顶点的动画而言它干净些。
• An advertisement search system base on the key frames and streams of h . 264 / avc is developed in this dissertation
  在镜头边界检测的基础上,设计并实现了一个基于h . 264 / avc码流的视频广告查找系统。
• The key frames are detected using the motion features , color features and texture features of skin in key frame images
  关键帧图象皮肤检测方法从皮肤的运动特征、颜色特征和纹理特征三个方面进行综合考量。
• Through the segmenting video into shots , we can represent the visual content of every shot with key frames abstractly
  通过合理的把视频分割成镜头( shot ) ，我们可以用关键帧( keyframe )作为镜头视觉内容的有效抽象。
• In the area of computer graphics , most of the computer animations are made by traditional , time - consuming " key frame " technique
  在计算机图形学中，大多数动画的创作是采用传统的、花费大量劳动的“关键帧”技术。
• Experiment shows that this key frame extraction method is efficient , the video abstraction can preferable express the video content
  试验表明，这种关键帧提取算法是有效的，其建立的视频摘要能较好的反映原视频的内容。
• The main work in this thesis is video temporal segmentation , each video sequence could be hierarchically segmented as : scenes , shots and key frames
  本文主要研究了视频时域分割问题,将整个视频划分为若干级的层次结构:场景、镜头、关键帧等。
• Based on this method , we also design a key frame extraction algorithm , which can transform the problem of recognition in videos to the problem of recognition in key frame images
  同时，我们设计了相应的关键帧提取算法，将视频的皮肤检测问题转换为关键帧图象的皮肤检测问题。
• In our model , videos are represented in a hierarchical structure with four layers from frame , shot , scene to story unit , and key frames , etc . are introduced to describe the features and contents of layer
  该模型描绘了从帧、镜头、场景到故事单元的结构化层次，并引入关键帧等概念分别描述每个层次的视频特征。
• It supplies video streams analyse , automatic key frames retrieve , key frames browse and advertisements searching . it can search the advertisements in the videos through the pictures or videos that are input by users
  该系统在分析h . 264 / avc视频流的基础上,能实现关键帧自动提取、视频入库、关键帧浏览和广告查找等功能。
• Last , develops a software of fan fault diagnosis expert system with borland c + + builder , supplies key frame of system , tests the operation result of system through a specific example , verifies this system ’ s practicability and accuracy
  最后在borlandc + + builder平台下开发了一套风机故障诊断专家系统软件,并给出了系统主画面,通过对一个具体实例测试了系统的运行结果,验证了系统的实用性和准确性。
• The experimental results show that the matching method using distance image in leg movement , using key frames in walking tracking , and the matching between the model and first frame based on head location are the contributions to the human movement research
  实验结果表明，本文的基于距离图像的腿部运动跟踪和基于关键帧的人体步行运动跟踪，和以头部为基准将模型与图像序列首帧相匹配的方法具有自己的特色。
• The research works of this dissertation for dynamic video retrieval mainly include following parts . ( 1 ) a shot detection and key frame extraction algorithm based on codebook and region matching is proposed , and a representation model of shot combining multiple features is also built
  论文在动态视频基于内容检索方面的研究主要包括： ( 1 )提出了基于码本和区域匹配的镜头分割和关键帧提取算法，并建立了融合多特征的镜头内容描述框架。
• A algorithm of shot coarse classification is proposed , firstly , key frames are extracted in equal interval in a shot ; then for a frame , dominant colors are obtained by hue , furthermore , the variance of dominant colors and ratio of clustered colors are computed , by which the corresponding frame could be classified into playing or non - playing frame , finally , a shot could be classified by the percentage of playing frames
  2 .在镜头粗分类中,首先在每个镜头内等间隔地提取关键帧,随后得出主颜色序列,并对主颜色序列进行方差统计和聚类颜色比率的计算,最后依据比赛帧比率来进行镜头分类。
• Finally , shot detection from compressed video , based on dc image and motion parameters , is analyzed in detail ; 3 ) a spatio - temporal shot similarity rule is proposed to cluster video shots into video scenes , and fuzzy - clustering method for key frame extraction from video scenes is also given
  最后，详细分析了基于dc图像和运动参数的压缩域镜头检测方法； c )提出了一种时-空融合的镜头相似性判断规则，用于将镜头聚类为场景；同时，还给出了通过模糊聚类实现场景中关键帧自动提取的方法。
• In addition , the concept of scene centriod is introduced to represent video scene by averaging of all key frames inside a group of shots in the given video scene , which makes an audacious attempt for high - level video unit extraction and representation ; 4 ) according to the given sample video , shot and scene - based video retrieval methods are discussed respectively , and the evaluation pricinples are also discussed
  进而，讨论了由场景中一组镜头的关键帧的质心表示场景关键帧，即场景质心的方法，从而为抽取高层的视频数据单元做出了大胆的尝试； d )从给定样本视频出发，分别讨论了基于镜头和场景的视频检索方法，并分析了检索性能评价的准则。
• We analyse features of digitilized dancing video , propose mothed of feature expression of frames in digital video , put forward motheds of video parsing , shots partition , key frame obtaining and video retrieval towards digital dancing video . and set up the prototype system of a digital dancing video database
  我们分析了数字化舞蹈视频的特点，提出了数字视频中图像帧的特征表达方法，提出了有针对性的视频分析、镜头分割、关键帧获取和按内容视频检索方法，并在此基础上建立了一个数字舞蹈视频库的原型系统。
• Take certain typed three compartment sedan as an example , on the basis of simulation calculation of torsional rigidity and by applying the finite element theory and through sensitivity analysis of torsional rigidity via board thickness of part this paper gained the key frame structure that affects the torsional rigidity of white body and under the guidance of this frame structure the measures of further enhancing its torsional rigidity was laid down for the being studied sedan pattern
  以某型三厢轿车为例，在扭转刚度仿真计算的基础上，应用有限元理论，通过零件板厚对扭转刚度的灵敏度分析，得到了影响白车身扭转刚度的关键框架结构，并在此框架结构的指导下，对所研究车型制定了进一步提高其扭转刚度的措施。
• The range of information media expands rapidly which is disposed by computers , not only we require the databases and other information systems can deal with storage and key frames retrieval to the images , video and audio , but also we need to analyze the content of multimedia data to reach deeper retrieval levels
  计算机所能处理的信息媒体范围迅速扩大,不仅要求数据库和其它信息系统能对图像、视频和声音等媒体进行存储和基于关键字的检索,而且要对多媒体数据的内容进行检索,以达到更深的检索层次,从而基于内容的多媒体信息检索系统应运而生。