The finished encoder can compress high resolution video in real time, with low bit rate and high image quality.
实验结果表明该编码器可实现高分辨率视频的实时编码,且具有较低的码率和较好的图像质量。
The experiment results show that the new still image compression scheme provides higher perceptual quality and less encoding time than EZW, especially at low bit rates.
实验结果表明,该算法具有较好的图像复原质量和较快的编码速度,整体性能明显优于EZW方案(特别是低比特率下)。
A modified low bit rate sinusoidal transform coding algorithm (STC) is presented.
提出了低码率正弦变换编码算法(STC)的改进算法。
This paper proposed a pitch quantization method for low bit-rate speech coding systems.
本文提出了一种适用于低速率语音编码系统的基音周期量化算法。
A fast block matching motion estimation algorithm for low bit rate video coding is proposed.
提出一个用于低比特率视频编码的快速块匹配运动估计算法。
This annex includes electronic material containing low bit rate LD_CELP implementation test vectors.
本附件包括含有低比特率LD - CELP实现测试矢量的电子资料。
Results show that the proposed scheme outperforms the standard DCT, especially at very low bit rates.
结果表明,提出的方案优于DCT标准,特别是在非常低码率的情况下。
MPEG-4defines a complete set of FDP and FAP in order to encode the facial object with a low bit-rate.
4通过脸部定义参数FDP和脸部运动参数FAP来对人脸对象进行编码,从而获得码率极低的视频流。
Interframe prediction coding algorithm for narrow band low bit rate image sequence is presented in this paper.
主要研究适于窄带低码率活动图像的帧间预测编码算法。
Therefore, further coding improvements are required to reach an acceptable picture quality at these low bit rates.
因此,在低比特率情况下的编码质量必须得到进一步改善。
At low bit rates, the block Discrete Cosine Transform (BDCT) compression methods often give rise to blocking artifacts.
低比特率时,基于块离散余弦变换(BDCT)的图像压缩方法常常会引起块效应。
Provided are audio encoding and decoding apparatuses capable of recovering a high-quality audio signal at a low bit rate.
本发明提供了一种能够在低比特率时恢复高质量音频信号的音频编码与解码装置。
In low bit rate application or high definition player system such as digital cinema, coding artifacts will be very annoying.
在低码率或超高清晰度视频特别是数字电影应用中,压缩噪声会影响观看质量。
Model based facial image coding has received extensive attention due to its high subjective image quality and low bit rates.
在人脸序列的图象编码中,由于模型基编码方法可以获得高的主观图象质量和低的码率,因而受到广泛重视。
High quality, low bit rate image compression method is one of the key technologies to develop downhole video logging instrument.
高清晰度,低比特率的图像压缩技术是研究井下电视的关键技术之一。
In high bit-rate systems it appears as severe selective fading, whereas it has no significant influence on low bit-rate systems.
这种干扰在微波高速数字系统中表现为严重的选择性衰落,但对低速系统无明显影响。
The Low-Delay Code-Exited Linear Predictive (LD-CELP) Speech Coder can combine high quality with low delay at quite low bit rates.
低时延码激励线性预测(LD - CELP)语音编码能够在较低速率把高质量与低时延结合起来。
A kind of robust pitch estimation algorithm is presented for parametric speech coding with transparent quality at very low bit rate.
为了实现甚低码率下的透明质量语音编码,提出了一种基音周期估计算法。
For very low bit rate speech coding algorithms, it is important to quantize these parameters accurately using as few bits as possible.
甚低位率语音编码算法要求使用尽可能少的位率编码语音谱参数。
Block artifact is one of major causations which reduce the quality of pictures in video coding, especially at the time of low bit rate.
块效应是视频编码中影响编码质量的一个重要问题,特别在低码率情况下尤为明显。
This paper presents an implementation of multiplexing equipment, which is used widely and flexibly in low bit rate data communications.
提出了一种组合方便、应用广泛的低速数据复接设备的实现方案。
The process-gains of the general receivers of DS/SS can't satisfy a low bit-error-rate if the signal-noise-ratio of input signal is very low.
在输入信噪比极低的直序扩频系统中,常规的接收机获得的处理增益难以满足系统低误码率的要求。
Simulation results reveal that it can achieve better performance than conventional DCT coding scheme and SA DCT method in low bit rate coding.
实验结果证明,在低码率下,使用子带dct对任意形状的VOP进行编码的方法优于传统的DCT方法和SA DCT方法。
The results indicate the compression performance of the proposed algorithm is better than that of JPEG2000, especially at low bit-rate compre…
实验数据表明该算法的压缩能力优于JPEG2000,尤其适于低码率压缩。
The automatic adaptation of a face model using action units is necessary for the model based coding of videophone sequences at very low bit rates.
基于表情活动单元的人脸模型自动适配是极低码率可视电话模型基编码所必需的。
An optimized update operator in lifting implementation is proposed to improve scalability under low bit rate and the quality of reconstructed video.
提出了更新算子的优化设计,以提高低码率下视频编码的可扩展性,并取得改善的重建视频质量。
Code-Excited Linear Predictive (CELP) coding can provide natural speech quality at medium and low bit rates in contrast with conventional LPC vocoder.
码激励线性预测(CELP)编码在中低速率上与传统的LPC声码器相比可以提供更加自然的语音质量。
The potential application of this technique includes low bit-rate video transmission, computer aided instruction, game design, virtual reality and so on.
其潜在的应用领域包括窄带视频传输、计算机辅助教学、游戏制作、虚拟现实等等。
An error resilience scheme for very low bit rate speech coding was developed for speech communications on narrow band channels with high bit error rates.
为满足在高误码率的窄带信道上进行语音通信的需求,研究了一种适用于甚低速率语音通信的抗误码参数估值算法。
The block-based DCT compression methods often cause blocking artifacts due to low bit rates. A new algorithm is proposed which combines HVS and entropy analysis.
针对离散余弦变换基于块(DCT)图像压缩的方法通常因比特率低而导致块效应,结合人类视觉系统(HVS)和局部熵分析,提出一种新的去块效应算法。
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