VOL Video Object Layer

Based on wavelet transform,it presents the algorithm of digital watermarking used in the MPEG-2 video streams.

介绍了视频数字水印技术的特点和目前所采用的主要算法,针对MPEG-2视频基于小波变换的特性,提出了一种数字水印的设计方案,将伪随机序列嵌入到对亮度分量进行DWT分解后的低频和高频系数上,详述了水印的嵌入和检测过程,最后给出了结果分析。

By analysing statistical features of DC coefficient,computing intensity,row,and column histograms that are computed using DC coefficient of each 88 DCT encoded block in I frame,comparing the intensity,row,and column histograms of I frames,the transition point between two shots can be directly detected from raw MPEG video stream.

通过分析 MPEG视频流中 I帧的 8× 8DCT编码块的 DC系数的统计特征 ,用每个 88DCT编码块的 DC系数计算 I帧图象的亮度、行列直方图 ,比较 I帧之间直方图的差异 ,直接从原始的 MPEG视频流中侦测镜头切换

The optimized strategy and implementation of delay-limited retransmission for MPEG-4 video based on its RTP packet method;

一种基于MPEG-4视频RTP打包的限时重传优化策略与实现

Due to the high peak rate and frequent rate variations nature of MPEG-4 video, it is a challenge to transmit real-time variable bit rate video on CDMA systems.

该文研究了码分多址(CDMA)系统中反向链路上传输MPEG-4视频流的速率平滑算法。

With the rapid development of Internet and multimedia technology, the streaming transportation of MPEG-4 video has become a research hot spot.

随着Internet和多媒体技术的飞速发展，MPEG-4视频的流式传输成为网络应用的热点之一。

MPEG video source smoothing within GOP pattern for real time video applications;

实时性MPEG视频源的图片组内平滑算法

Research the Method of Implementation VCR Functionalities on Dual-bitstream MPEG Video Streaming;

如何有效地实现基于MPEG视频流的数字VCR(Digital Video Cassette Recording)功能是视频流服务的一个技术挑战,提出在服务器端建立双向视频流,采用具有最小花费的帧选择方案,在需要网络带宽和解码复杂度最小的情况下有效地实现数字VCR操作。

The Design and Implementation of MPEG-2 Video Coding System;

MPEG-2视频编码系统的设计与实现

FPGA Design of MPEG-2 Video Decoder

MPEG-2视频解码器的FPGA设计

FPGA implement of the in the MPEG-2 video decode

MPEG-2视频解码中IDCT的FPGA实现

Research of MPEG-2 Video Decoding on the Cell Multi-Processor Engine;

基于Cell多核处理器的MPEG-2视频解码技术的研究

The Study on MPEG-2 Video Stream Transcoding for Network PVR Manipulation;

面向网络PVR操作的MPEG-2视频码流转码研究

The Hardware Design and Implementation of MPEG-2 Video System;

MPEG-2视频编解码系统的硬件设计与实现

Watermarking Algorithm Based on Feature Points Detected in MPEG-2 Video

基于特征点检测的MPEG-2视频盲水印算法

Video Signal Validity Measurement Based on MPEG-2 Video Streams

一种基于MPEG-2视频流的有效性测量方法

An Image Quality Evaluation Method Based on MPEG-2 Video Streams

基于MPEG-2视频流的图像质量评价方法研究

DSP-Based Video Sampling System and MPEG-2 Video Compression Algorithms Research;

基于DSP平台的视频采集系统与MPEG-2视频压缩算法研究

MPEG-2 Video Transcoding Method in DCT Domain Based on Rate Control;

基于速率控制的MPEG-2视频频率域转码及其硬件实现

Video Transcoding from MPEG-2 to MPEG-4;

MPEG-2到MPEG-4视频转码

MPEG-2/MPEG-4 Video Stream Transcoding and Encoder Optimization;

MPEG-2/MPEG-4视频流转码及编码器优化

MPEG-2/MPEG-4 Video Stream Transcoder Based on TMS320C6416;

基于TMS320C6416的MPEG-2/MPEG-4视频流转码器

Research and Design of MPEG-2 to AVS Video Transcoder;

MPEG-2到AVS视频转码器的研究与设计

Study of Video Watermarking Technology Based on MPEG-2

基于MPEG-2的视频水印技术研究

The Study on MPEG-2 to H.264 Transcoding Algorithms

MPEG-2到H.264视频转码的算法研究

Implementation of MPEG-2 Audio and Video Edit Software

MPEG-2音视频编辑软件的实现方案