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- Tzung-ruen Yeh Many lossy image compression algorithms have been developed for low bit rate applications. 人们已经发展出许多适用于低位元率应用的破坏性影像压缩演算法。
- X.25 provides a low bit rate shared variable capacity that may be either switched or permanent. X.;25提供了既可交换又可持续的低速率来分享变动的容量。
- Robust speaker verification in low bit rate channels The influence of speech coding on text-independent speaker verification was studied. 研究了多种低速率信道环境下,语音编码对与文本无关说话人确认的影响。
- A biorthogonal wavelet transform (BWT) and fuzzy vector quantization (FVQ)based very low bit rate image coding algorithm is proposed. 摘要该文提出了一种基于双正交小波变换(BWT)和模糊矢量量化(FVQ)的极低比特率图像编码算法。
- For low bit rate video communication, the codec priority of Region of Interest (ROI) can improve the subjective image quality. 摘要在低码率视频通信中，感兴趣区(ROI)优先编码策略有助于图像主观质量的提高。
- A biorthogonal wavelet transform (BWT) and fuzzy vector quantization (FVQ) based very low bit rate image coding algorithm is proposed. 该文提出了一种基于双正交小波变换(BWT)和模糊矢量量化(FVQ)的极低比特率图像编码算法.
- In order to get better decoded image quality at low bit rate, the distribution rules of sparse decomposition data are studied. 通过对分解结果数据分布规律进行分析，提出了量化和编码的方案，期望在低比特率情况下，得到较好的解码图像质量。
- Digital modulating has many advantages by comparison with the analog modulating,and has low bit error rate (BER)under the same SNR. 数字式调制与许多模拟调制方式相比,在相同的信噪比条件下误码率低。
- The Philip resolution chart, which is used to examine quality of studio facilities, can not be coded at low bit rate with a good quality be-cause of the high edge content. 用于考核演播室设备质量的菲利浦分辨率测试卡,因为边沿含量高,按上述码率编码时不能获得满意的图象质量。
- Due to the limited bandwidth and abominable communication environment, researching in the low bit rate video compression encoding is become special important. 但是由于有限的带宽和恶劣的通信环境,对极低码率视频编码技术的研究变得尤为重要。
- Deblock filter, therefore, improves the quality of video transmission in the low bit rate wireless channel.The research results show that the method has useful practice value. 去块滤波器的使用，提高了在低码率的情况下图像传输的主观质量，获得了较为满意的结果，具有一定的实用价值。
- Abstract： In this paper, a new hybrid wavelet video coding algorithm combined with H.263 and SLCCA for very low bit rate videophone application has been proposed. 摘 要： 针对极低比特率应用提出一种新的结合H.;263与SLCCA的混合小波视频编码算法。
- This paper describes a particular scheme of a low bit rate image encoding method using DPCM, in wh-ich the hit rate decreases from 8 bit/pel to 1.75 bit/pel. 本文介绍了一种低码率DPCM图象编码的具体方案;使每象元由8比特压缩成平均1.;75比特。
- Especially in the recent communication systems, SOVA (Soft-Output Viterbi Algorithm) is very often utilized in the concatenated code in order to achieve very low bit error rate. 而近年来软输出腓特比解码在通信系统上配合连接码的使用，更可大辐降定传输讯号的错误率。
- 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。
- Standard Couple image is decomposed and reconstructed with EZW and SPIHT at low bit rates. 编制程序分别采用EZW和SPIHT算法，在低码率下对标准Couple图像进行了编码和重构。
- Question：CAN2.0B “low bit transmit first” or “the CAN spec says MSB first”? 提问：CAN2.;0B规范是低位先发送还是最高有效位先发送？原文是这样的：
- The final 5.15? kbit/s low bit rate wideband coder can enhance the trueness of speech,the discriminability of consonants and the recognizability of the speaker. The coding result is close to that of AMR-WB 6.6? 宽带语音的高、低频分别由特征波形内插编码和频带扩展算法恢复;由此形成了5.;15 kbit/s的低速率宽带语音编码器;增强了语音真实感、辅音的辨析度及对话者的识别度;宽带语音编码质量接近AMR-WB的6
- Since the traditional H 261/3 and MPEG 1/2 standards employ the block based compression algorithm,decoded images are suffered from severely blocky artifacts and mosquito effects at low bit rate. 在传统的H.;261/3以及MPEG-1/2标准中是采用基于块的压缩算法;可在低比特率运用时;会出现严重的块状效应及蚊式噪声。
- Subjective listening tests demonstrate that the 4 kbit/s hybrid coding scheme competes favorably with CELP coders at low bit?rates. 主观听音测试证明,这种4kbit/s混合编码方案的质量可和低速率的CELP编码器相媲美。
