试验结果表明:该算法在获得与级联解码器-下采样-编码器几乎一致的视频质量情况下,大大地降低了计算复杂度。
Experimental results show that the complexity of our proposed algorithm is much less than that of the cascaded decode-encoder scheme, while the quality of video almost keeps the same.
文中提出应用数字信号处理器和微控制处理器ARM9核的MPEG-4视频简易框架和高级音频编码解码器的实时嵌入式设计。
A real-time embedded design of MPEG-4 visual simple profile and advanced audio coding decoder using Digital Signal Processor and ARM9 core are presented in this paper.
本论文研究了MPEG - 4标准,在实现MPEG - 4视频编解码器软件原型的基础上,重点研究了编码过程中的两项关键技术:运动估计和码率控制。
This paper research the MPEG-4 standard and realize the software prototype of the MPEG-4 video codec. The paper emphasize two key techniques in MPEG-4 encoder: Motion Estimation and Bit Rate Control.
随后,本文在PC机上采用VC编写了改进后的MPEG - 4视频编码器和解码器的软件,验证了对算法改进的可行性。
Later this paper implements the software of modified video encoder and decoder of MPEG-4 using VC on PC platform, which verifies feasibility of modified algorithms.
设计选用PCI多媒体接口芯片SAA7146A,方便的实现了与视频编码器、视频解码器和音频编解码器的连接。
It USES the PCI interface chip SAA7146A special for media processing produced by Philips, and connects simply with video encoder, video decoder, audio encoder and decoder.
本课题的主要工作就是对人眼部分特性进行研究,并建立相应的模型,应用于视频编解码器中,指导编码器完成更加高效的编码。
The kernel work of this thesis is to research on vision characteristics, establish perceptual coding models, and use them to accomplish effective coding.
本课题的主要工作就是对人眼部分特性进行研究,并建立相应的模型,应用于视频编解码器中,指导编码器完成更加高效的编码。
The kernel work of this thesis is to research on vision characteristics, establish perceptual coding models, and use them to accomplish effective coding.
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