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。
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。
This paper has introduced one low bit-rate, low cost, low loss wireless network standard of bright future in home network application, IEEE 802.
通过介绍一种在家庭网络应用中极有前景的低速率、低代价、低功耗无线网络标准——IEEE 802。
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。
In order to solve the problem of integrality authentication for low bit-rate video, a novel video authentication schema based on the fragile watermark is proposed.
为了解决低码率视频完整性认证问题,提出了一种基于脆弱水印的视频认证方案。
Most of the bit-rate control schemes in video-compression standards are designed for medium and high bit - rate conditions, while do not work well for low bit-rate.
在大多数视频压缩标准中,码率控制方法都是针对中高码率情况而设计的,而在较低码率情况下的工作情况都不够理想。
In this design many technologies such as DSP, low bit-rate speech compression, channel multiplexing, Flash Memory and communication with modem through se rial port are used.
设计中采用了DSP、低比特率语音压缩编解码、信道复用、快闪存储、串口和调制解调器通信等技术。
Our research has showed that SPIHT performs better than JPEG while the underwater images are coded in low bit rate. SPIHT also has a good progressive transmission characteristic.
并指出基于小波变换的SPIHT编码算法具有对水下图像低比特率编码性能好、可以与纠错技术结合使用等特点。
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 paper presents an efficient motion estimation technique for very low bit rate video coding.
提出了一种有效的适用于甚低比特率视频编码的运动估计新技术。
As one of the current most potential low bit rate speech coding schemes, waveform interpolation model with its high performance has been paid more and more attention.
波形内插语音编码模型作为当今最具潜力的低速率语音编码方案之一,因其良好的性能,越来越受到人们的重视。
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。
Low bit rate JPEG compressed images usually demonstrate serious blocking effects.
低比特率JPEG压缩图象往往产生严重的方块效应。
Because of the high quality and low bit rate, g.
由于具有高音质和低码速率的特点,G。
Experiment results show that in low bit rate environment, the new image compression scheme performs better than JPEG in the aspects of perception and PSNR (Peak Signal Noise Ratio).
实验结果表明该算法在低码率下,相比jpeg,获得了在视觉效果和峰值信噪比方面更好的恢复图像质量。
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。
Therefore what has been studied should be a promotion to make very low bit rate video coding work in practice and in wide use.
相信所做的这些工作对甚低码率视频图像编码的实际应用和推广将起到推动作用。
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。
So it is necessary to further study the characteristics of video and compression mechanism deeply and to achieve live transmission of videos at very low bit rate.
因此,有必要继续深入研究视频图像的特点与压缩机理,以实现甚低比特率下视频图像实时传输的目标。
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。
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。
The coding method in low bit rate discussed in this paper is a hybrid encoding architecture, which combines global motion compensation and local motion compensation coding.
采用的低码率视频编码方法是以全局运动补偿和局部运动补偿为核心的混合编码方法。
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。
Although the video compression technique has been investigated extensively and developed rapidly, it still can not meet the requirement of live transmission at very low bit rate.
虽然视频压缩技术在当今的信息时代中得到迅猛发展,但目前现有的视频压缩技术仍不能满足甚低比特率下实时传输视频图像的要求。
The theoretical and experimental results show that the proposed algorithm can achieve higher compression efficiency than DCT and the W transform based method in very low bit rate communication.
理论和实验表明,在超低比特率图象通信应用领域,该算法图象压缩效率高,图象恢复效果好。
High speed and low bit rate coding is very important in dynamic image compression.
进行动态图像压缩时如何兼顾较高的编码速度与较低的码率成为编码的关键。
Use the predominance of new programmable logic chip on digital signal domain lucubrate on the implement with FPGA of speech signal low bit rate coding.
本文利用新一代可编制逻辑器件在数字信号处理领域的优势,对语音信号低码率编码的FPGA实现进行了深入研究。
In perceptual audio coding with low bit rate application, the pre-echo artifact is more distinct, and the effective detection of transient signals is the precondition.
在低比特率音频感觉编码中,预回声失真更为突出,而对其处理的前提是瞬态信号的有效检测。
Recently, it began to be applied in low - bit rate audio coding.
近年来。在低码率的音频编码算法中也开始应用它。
Recently, it began to be applied in low - bit rate audio coding.
近年来。在低码率的音频编码算法中也开始应用它。
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