In this paper we present a method for streaming video generated by the state-of-the-art H.264 codec over IP networks supporting the Differentiated Services (DiffServ) architecture, in particular the Assured Forwarding (AF) per-hop behavior. The scheme takes advantage of both AF’s packet drop priorities and some novel features of the H.264 codec, so as to protect the most important information i...

The wide deployment of MPEG-2 video for digital video applications today and the expected use of the recently standardized H.264 video create a strong need for video transcoding between these formats. One of the key problems in video transcoding is complexity reduction. In this paper we present tools to enable low complexity transcoding of MPEG-2 video to the H.264 format. The proposed transcod...

H.264 is the ITU-T’s new, nonbackward compatible video compression Recommendation that significantly outperforms all previous video compression standards. It consists of a video coding layer (VCL) which performs all the classic signal processing tasks and generates bit strings containing coded macroblocks, and a network adaptation layer (NAL) which adapts those bit strings in a network friendly...

The H.264/AVC video coding standard explicitly defines all the syntax elements, such as motion vectors, block coefficients, picture numbers, and the order they appear in the video bitstream. There are several Advanced Features of H.264/AVC video Codec which distinguish it from the previous video compression standards such as H.261,MPEG-1,2 and H.263 etc.[1, 2]. The H.265/MPEG-HEVC standard was ...

We propose applying an adaptive context-tree weighting (CTW) method in the H.264 video coders. We first investigate two different ways to incorporating the CTW method into an H.264 coder and compare the coding effectiveness of using the method with that of using the context models specified in the H.264 standard. We then describe a novel approach for automatically adapting the CTW method based ...

The emerging ITU-T H.264 video coding standard has been developed to achieve significant improvements over the existing standards in the compression performance. Although the basic coding framework of the standard is similar to that of the existing standards, H.264 introduces many new features. The standard is close to completion, and preliminary tests were reported to give satisfactory results...

In this paper we propose a low-complexity errorresilient and joint source-channel video coding algorithms for video codec based on three-dimensional discrete wavelet transform (3-D DWT). First, we show that the video stream, generated by 3-D DWT codec with the proposed error-resilient, is significantly more robust to packet losses than video stream generated by scalable extension of the H.264/A...

H.264 video standard is used to achieve high quality video and high data compression when compared to other existing video standards. H.264 uses context-based adaptive variable length coding (CAVLC) to code residual data in Baseline profile.The H.264 bitstream consist of zeros and ones.At one of the decoding stages of contextbased adptive variable length decoder (CAVLD), Total Zeros decoder is ...

This paper presents an efficient method for high payload reversible data-hiding in H.264/AVC intra bitstream with a minimal drift, which is controllable and proportional to the payload. In contrast to previously presented open-loop reversible data hiding techniques for H.264/AVC bitstream, which mainly perform drift-compensation, we propose a new reversible data hiding technique for H.264/AVC i...

The H.264/AVC standard represents an important step in the evolution of video coding standards since it offers a significant improvement in terms of rate-distortion efficiency by providing more than a factor of two in bit-rate savings against the popular MPEG-2 Video standard. In this work, a new video coding scheme which combines the fine grain scalability properties of the MPEG-4 FGS standard...