| 基于PXA255嵌入式平台的MPEG-4编码研究和实现 |
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| 引用本文： | 刘增水,段富刚. 基于PXA255嵌入式平台的MPEG-4编码研究和实现[J]. 计算机测量与控制, 2010, 18(2) |
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| 作者姓名： | 刘增水 段富刚 |
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| 作者单位： | 上海电子信息职业技术学院,上海,201411 |
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| 摘 要： | 文章介绍了基于Xscale处理器(PXA255)的嵌入式开发平台上实现MPEG-4编码技术;整个系统分为视频信号采集、编码、存储、发送、PC机上解码验证;通过FS-PXA255I开发板上的USB接口实现视频信号的采集,利用PXA255处理器完成输入图像的MPEG-4软件编码;阐述系统总体结构和各部分功能特点,着重介绍MPEG-4编码部分在嵌入式系统上的编码算法。
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| 关 键 词： | PXA255 MPEG-4 VOP Sprite编码 |
Research and Implementation of MPEG-4 Encoding Based on PXA255 Embedded Platform |
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| Liu Zengshui,Duan Fugang. Research and Implementation of MPEG-4 Encoding Based on PXA255 Embedded Platform[J]. Computer Measurement & Control, 2010, 18(2) |
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| Authors: | Liu Zengshui Duan Fugang |
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| Affiliation: | Shanghai Technical Institute of Electronics & Information/a>;Shanghai 201411/a>;China |
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| Abstract: | In this paper,we present a technology to realize the MPEG-4 encoding based on the Xscale processor(PXA255) embedded development platform.The whole system is divided into the video signal acquisition,encoding,storing,sending,PC machine decoding verification.FS-PXA255I realizes video signal acquisition through the USB interface on-board,and complete MPEG-4 software encoding from the input image using PXA255 processor.Mainly introducing some parts of MPEG-4 encoding system in the embedded coding algorithm,whil... |
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| Keywords: | PXA255 MPEG-4 VOP Sprite code |
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