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一种分级检索MPEG视频的方法
- 提出了一种基于样本的分级检索 MPEG 视频的新方法:首先用I 帧的dct_dc_size 字段快速粗检,然后用断层摄影(tomography)法分析B 帧运动矢 量的时空分布特性以进一步缩小结果集,最后用DC 图像的精确匹配方法验证检索结果.试验结果表明,本方法 所需计算量较小,且可保证较高的检索精度.-presents a sample classification based on MPEG video retrieval of the new method : First o
mpeg4bmdm
- h264编码程序,能够实现视频压缩,分别压缩I帧p帧b帧-ENG coding procedures, video compression can be achieved, I frame compression p frame b frame
video
- 银行的数字化监视监控系统是目前比较有市场及应用前景的开发项目,基于不同的MPEG采集卡与硬件外围设备开发的监视监控系统在国内外都有比较成型的技术。为了满足实时监视、实时采集压缩、随时回放、压缩数据流的传播等具体要求,在该系统中使用了一种用于网络视频/音频多点传输(视频广播)的视频数据采集卡,提供AVI(MPEG I Frame压缩编码)采集、MPG采集。发送端广播MPEG流,接受端接受MPEG流并显示,网络传输采用WinSock 2 IP-Multicast。如果本机为发送端,网络上
ts2Iframe 本程序从TS文件中提取I帧
- 本程序从TS文件中提取I帧,I帧是视频中最为重要的一帧。-The procedure to extract the file from the TS I frame, I frame is the most important one video frame.
IFrame
- 自己写的从Ts视频流中提取I帧重新打包的程序-Write your own video stream from the Ts to extract re-packaged application, I frame
s3c6410-h264-IDR-encode-ok
- 这是上一个代码的优化,加了IDR帧编码,适合不稳定网络(如移动通信网),已产品化,基于华恒S3C6410-R2开发板采集视频并压缩为H264格式,带IDR帧,使用时.c文件要改名为cam2fb.c-This is a code optimization, plus the IDR frame coding for unstable networks (such as mobile communications network), has been product oriented, huahen
test
- 从TS文件中依次提取出TS流,video packet,PES,es,I帧;然后又依次将I帧打包为TS流实现播放-TS stream video packet PES, es in turn extracted from the TS file, I-frame and then in turn I-frame packaged realization of TS stream playback
SNR
- 本次实验中对视频的I帧和P帧进行SNR可伸缩编码,可分级的级数为2。在I帧编码时,首先采用较大的量化矩阵进行量化,完成编码后的图像作为基本层-The experiments on the video frames and the I to P frame SNR scalable coding, can be graded series of 2. In the I-frame coding, the first to quantify the larger matrix to quantify
mpeg1
- mpeg1视频中的I帧以及P帧编码算法在matlab中的模拟-mpeg1 video of I frames, as well as P-frame coding algorithm of the simulation in matlab
avitoim.m
- 这是我读硕时 师兄让我写的把AVI视频转成一帧帧图像的代码 绝对好用 文件夹理有我的联系方式 有问题问我-This is when I read Augmentum师兄let me write the AVI video into a frame image of the code is absolutely easy to use folder justifications have my contact there asked me the question
Capture2Save
- i write it use opencv lib in order to capture image from each frame in webcam or video and save all image to a document,and i use it to capture hand image for haartraining,hope you like it! -)-i write it use opencv lib in order to capture image from
test
- the code is written to watermark the video
encodinganddecoding
- 实现对视频图像的游程编码和解码。过程包括:二维DCT变换、量化及游程编码。 一般来讲对于视频的I帧进行恢复,其信噪比可达到38DB以上。-Implementation of the video image encoding and decoding run-length. Process includes: two-dimensional DCT transform, quantization and run-length encoding. In general, I frame for
Low-complexity-background-subtraction-using-frame
- Tracking w/ blob detection, morphological operation (Togeather) frames = {avi.cdata} uses the cdata from the video file fg = extractForeground(frames) do foreground extraction cmap = colormap(gray) for i = 1:length(fg) temp0{i} = edg
video_2_2_3
- linux下音视频编解码,具有后台cgi,加密算法,强制I帧,DM365编解码。-The following audio and video codec linux, with the background cgi, encryption algorithm, forced I frame, DM365 codec.
TSI
- 从ts流中提取视频I帧的算法。提取后再打包成TS流。-Extracted from the ts stream video I-frame algorithm. Extraction and then packaged into a TS stream.
xvidcore
- Xvid(旧称为XviD)是一个开放源代码的MPEG-4视频编解码器,它是基于OpenDivX而编写的。Xvid是由一群原OpenDivX义务开发者在OpenDivX于2001年7月停止开发后自行开发的。Xvid支持多种编码模式,量化(Quantization)方式和范围控,运动侦测(Motion Search)和曲线平衡分配(Curve),动态关键帧距(I-frame interval),心理视觉亮度修正,演职员表选项,外部自定义控制,运动向量加速(Hinted ME)编码,画面优化解码等众多
VideoCopyDetect
- 压缩域的视频I帧提取,提取出来的关键帧作为视频的关键帧,用于视频拷贝检测-Compressed domain video I frame extraction, the extracted key frames as a video keyframe for video copy detection
read-the-video-image-frame-i
- 使用imread和imshow读取图像以及显示图像,读取视频第i帧图像-Use imread and imshow read image and display an image, read the video image frame i
SNR
- 本次实验中对视频的I帧和P帧进行SNR可伸缩编码,可分级的级数为2。在I帧编码时,首先采用较大的量化矩阵进行量化,完成编码后的图像作为基本层-The experiments on the video frames and the I to P frame SNR scalable coding, can be graded series of 2. In the I-frame coding, the first to quantify the larger matrix to quantify