How to get thumbnail images and video information from the uploaded files?
如何从上传文件中获得缩略图和视频信息？
Some experts even believe that mobile video phones will surpass television to become the principal source of video information.
有些专家甚至认为移动视像电话将超过电视，成为主要的视频信息来源。
The video sequences of YUV format are often used in video information processing.
视频信息处理中常需用YUV格式的图像序列。
The analog signal contains high-frequency video information, which helps make up the picture.
模拟信号包括有助于构成图像的高频视频信息。
A method to prevent leakage from computers video information by digital filtering is presented.
本文针对计算机视频信息泄漏，提出了一种基于数字滤波的防护方法。
This article introduces a video information collecting system for anti_video leakage, which is based on FPGA.
文章介绍了一种基于FPGA的防信息泄漏视频信息采集系统。
Among these techniques, video summary and video information retrieval have been the hotspots in recent years.
在这些技术当中，视频摘要和视频检索又是近几年的热点。
So how to effectively retrieve the interested video information from the large-scale dataset has become an urgent issue.
如何对海量的视频信息进行有效地检索和查询，已经成为目前迫切需要解决的问题。
In the field of video summary and video information retrieval, the problem of key frame extraction is of great importance.
在视频摘要和视频检索领域，研究关键帧提取的问题是非常重要的一环。
Because video information is heavy and abundant, the effective management and search will become a subject to solve urgently.
由于视频的信息量大、内容丰富，所以对其进行有效的管理和检索成为一个迫切需要解决的难题。
The findings show that the audio and video information can be combined using a rule-based system to improve the recognition rate.
实验结果说明基于视觉和听觉的多模态识别算法能提高计算机对人的情感识别率。
Because of the network open and other insecurity factors, we often want to transmit data, image and video information by effective encryption.
由于网络的公开性以及其他不安全因素，我们往往希望能够将我们要传送的数据，图像以及视频等信息进行有效的加密传输。
By taking advantage of redundancy compression, it becomes possible to display an image with only 25 per cent of the original video information.
利用冗余压缩就能够显示出只有25%原始视频信息的图像。
With all three algorithms in effect, a 1-gb video file can be compressed to just 25 MB, without destroying any of the original video information.
三种算法都生效的情况下，一个1 -GB的视频文件可以被压缩到只有25MB，并且不会破坏任何原始视频信息。
This thesis focuses on robust methods for speaker localization based on audio information and speaker tracking combining audio and video information.
本文主要研究一种鲁棒的方法利用音频信息对话者定位以及联合音视频信息对说话人进行跟踪。
The electronic device realizes synchronous recording and storing of video information and traveling status during traveling process before accidents.
本实用新型实现了行车过程中的事故前视频信息与行驶状态信 息的同步记录与保存。
The video information hiding algorithm based on chaos USES the analogy randomicity of chaos sequence to disturb the hiding information, which improves the secrecy.
基于混沌的视频信息隐藏算法，利用混沌序列的类随机性对嵌入信息进行置乱，以提高保密性。
A hierarchical semantic associative video model was proposed which described video information in hierarchical concept tree, scene network and semantic object net.
提出一种视频的分层语义联想模型，构造三个层次的信息：概念层次树，场景网络和语义对象网络。
The targetis to widely use the new generation of information technology by 2020, whichincludes networking, cloud computing, remote video information collection andothers.
目标到2020年，物联网、云计算、远程视频信息采集等新一代信息技术广泛应用。
After video information read by FPGA, serial video information is transformed into parallel format by Bit-Plane Separation technology first, and then sent to video cable.
在FPGA读取视频信息后，先用位面分层技术把串行视频信息转换为并行数据再送到视频电缆上。
At the moment, as one of the most powerful tools for information security, the video information hiding has been an important problem for the research of information hiding.
目前，视频信息隐藏作为信息安全的重要手段之一，已经成为信息隐藏方向研究的一个重点问题。
In this paper, problems of the video information classification and retrieval are discussed, including video structuring, feature abstracting, feature optimizing and feature classifying, etc.
本文主要针对基于内容的视频信息分类检索中的若干问题展开讨论研究，包括视频结构化、特征提取、特征优化以及特征分类等等。
The sportscast classification based on content is an important portion of the content-based video information classification and retrieval and main topic in the multimedia information research.
基于内容的体育节目分类是基于内容的视频信息分类检索的一个部分，是多媒体信息处理研究领域中的重要课题。
The maximum bitrate is the same as the source file when the quality level is set to 90 (default value) in the Video information section.
质量水平设置成默认值90时，最大输出码率同于源文件。
The maximum bitrate is the same as the source file when the quality level is set to 90 (default value) in the Video information section.
质量水平设置成默认值90时，最大输出码率同于源文件。
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