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Article
Cross-layer mobile WiMAX MAC designs for the H.264/AVC scalable video coding
To effectively provide the QoS of streaming services in mobile WiMAX systems, this paper proposes a cross-layer design between the streaming server and mobile WiMAX base stations. We will show that for each us...
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Article
Open AccessA Multiple-Window Video Embedding Transcoder Based on H.264/AVC Standard
This paper proposes a low-complexity multiple-window video embedding transcoder (MW-VET) based on H.264/AVC standard for various applications that require video embedding services including picture-in-picture ...
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Chapter
Advances of MPEG Scalable Video Coding Standard
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Article
A Software-Hardware Co-Implementation of MPEG-4 Advanced Video Coding (AVC) Decoder with Block Level Pipelining
We present a baseline MPEG-4 Advanced Video Coding (AVC) decoder based on the methodology of joint optimization of software and hardware. The software is first optimized with algorithm improvements for frame b...
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Chapter and Conference Paper
Enhanced Stochastic Bit Reshuffling for Fine Granular Scalable Video Coding
In this paper, we propose an enhanced stochastic bit reshuffling (SBR) scheme to deliver better subjective quality for fine granular scalable (FGS) video coding. Traditional bit-plane coding in FGS algorithm s...
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Chapter and Conference Paper
Advances of MPEG Scalable Video Coding Standard
To support clients with diverse capabilities, the MPEG committee is defining a novel scalable video coding (SVC) framework that can simultaneously support multiple spatial, temporal and SNR resolutions under t...
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Chapter and Conference Paper
A Fast Downsizing Video Transcoder Based on H.264/AVC Standard
This paper presents a novel spatial transcoding technique for H.264/AVC based video applications. With superior coding performance, H.264 will be used in a variety of multimedia applications. For various video...
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Chapter and Conference Paper
A VBR Rate Control Using MINMAX Criterion for Video Streaming
In this paper, we present a frame-level rate control scheme based on a modified linear Rate-Distortion model to achieve minimal maximum (MINMAX) distortion for frame-dependent quantizers. The MINMAX distortion...
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Article
Online rate control for video streams
A mechanism for varying the frame rate of pre-encoded video clips online is described. The mechanism relies on two different encoders. An offline encoder creates a high-quality bit stream encoded at 30 fps, as...
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Chapter and Conference Paper
Improved MPEG-4 Visual Texture Coding Using Perceptual Dithering for Transparent Image Coding
MPEG- VTC provides coding efficiency using the zerotree entropy coding (ZTC) to remove the statistical redundancy among the coefficients within each wavelet tree. To improve the coding efficiency of ZTC, we pr...
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Chapter and Conference Paper
Fast Motion Estimation Using N-Queen Pixel Decimation
We present a technique to improve the speed of block motion estimation using only a subset of pixels from a block to evaluate the distortion with minimal loss of coding efficiency. To select such a subset we u...
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Chapter
Stereoscopic Video Coding
Coding of the stereoscopic video source has received significant interest recently. The MPEG committee decided to form an ad hoc group to define a new profile which is referred to as Multiview Profile (MVP) [4...
