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编码框架
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  coding framework
     5. Referring to the H. 264 test model long term number9(TML9) and thebasic coding framework of the standard H. 263, we developed the software codec of H. 264 with VC++ .
     263系统编码框架和TML9编码程序设计模型基础上,用Visual C++工具开发完成了H. 264软件编解码系统。
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     Multiple Arbitrary Shape ROIs Coding Framework Using ISA-DWT
     基于ISA-DWT的多个任意形状感兴趣区域编码框架
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     The algorithm can be easily incorporated into the MPEG-4 object-based coding framework.
     算法可方便地并入到MPEG- 4基于对象的编码框架中.
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     An improved binary SPECK coding framework was adopted for these coefficients above threshold Th. The coefficients below Th were quantized by integer powers of two. Finally.
     然后,对大于Th的小波系数采用整数平方阈值进行量化、缩短阈值间的距离,并对阈值平面上的系数采用改进的二进制SPECK编码框架,对小于Th的系数采用2的整数幂作为量化阈值。
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     To simplify the design of the CGI program which is the kernel of software part of DWPS, a watermarking algorithm coding framework is proposed which has high reusability and extensibility.
     为简化 DWPS 系统核心软件 CGI 程序的实现,提出了具有高可重用性、高可扩展性的数字水印算法编码框架
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  encoding frame
     New technique of H.264/AVC core based on hybrid encoding frame
     基于混合编码框架的H.264/AVC核心新技术
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     A encoding frame consilient with syntax of MPEG 4 VTC is presented .
     本文根据 MPEG- 4 VTC所定义的解码过程 ,建立了与标准相容的编码框架 ;
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  “编码框架”译为未确定词的双语例句
     The algorithm estimates the necessary to do the 8x8 block motion estimation by simple computations of 16x16 SAD and motion vectors in MPEG-4 with rate-distortion optimization method, when 16x16 motion vectors are present.
     在使用率失真优化方法的MPEG-4视频编码框架中,当已知16x16运动向量时,通过对16x16运动向量所导致的宏块各部分绝对差之和(SAD)和运动向量做简单的计算,排除相当一部分宏块不需要4次8x8运动估计,而PSNR性能的损失则可以忽略不计。
短句来源
     Secondly, according to the framework offered by VM of MPEG-4 standard and Microsoft, MPEG-4 coder is completed with software and its performance is analyzed.
     其次,根据MPEG-4标准中的参考校验模型(VM)及微软组织提供的MPEG-4视频编码框架(Framework),编制了相应软件,实现了MPEG-4编码器,同时分析了编码器的性能。
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     Especially based on IMT for the rational transforming parameter, PSNR of the destructive compression differ 3~6dB from DWT adopting Db9/7 under the SPIHT and SPECK coding frame. There are two reasons. First, that mantissa rounding makes IWT become the nonlinear transform, thus reduce its energy centralization.
     尤其基于有理变换参数(Rational Parameter)的IWT,在SPIHT 或SPECK编码框架下,有损压缩时的峰值信噪比(PSNR)较采用Db9/7的DWT相差3-6dB.其原因之一是: 截断取整(mantissa rounding)操作使IWT成为非线性变换(Nonlinear Transform),降低了IWT的能量集中性。
短句来源
     Results There was a p53 mutation on 249 codon in human high-metastasis hepatocellular carcinoma cell line MHCC97, but no mutation in low-metastasis HCC cells LD20. The two genes of wt-p53 and GFP were fused in codon frame by DNA sequencing.
     结果MHCC97细胞中存在p53基因第249位的突变,而低转移入肝癌细胞LD20则无此突变。 DNA顺序测定表明:wt一p53基因与GFP基因达到编码框架内融合。
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     3. Two extensions to the coded cooperation framework are presented.
     3.提出了两个现存的编码框架
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  coding framework
A common coding framework in self-other interaction: evidence from joint action task
      
Here we suggest that the function of the mirror system can be understood within a predictive coding framework that appeals to the statistical approach known as empirical Bayes.
      
Analysis of the transcripts was based on constant comparative method using a coding framework.
      
Our initial coding framework covered 10 categories, of which the most common were: a specific patient encounter (19%); an experience in the community (15%); and a personal health experience (15%).
      
This paper proposes a hybrid video coding framework based on discrete wavelet transform and multiple macroblock mode overlapped block motion compensation (OBMC).
      
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  encoding frame
Bk number of bits for encoding frame k; Lmax buffer size.
      
Estimate the bandwidth to keep the spatial qualities to be in the predetermined range with the same encoding frame interval.
      
Encode the current frame with the updated channel bandwidth or the new encoding frame interval.
      
If the renegotiation request is accepted, keep the encoding frame interval same.
      
In addition, the host PC measures statistics such as the average encoding frame rate and bit rate.
      
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A pTSK. series of recombinant plasmids were constructed by cloning DNA fragments of pXZ10145 or its deleted deriviate pATN65 into plasmid vector pACYC177 of E. coli. Experiment results of Coryneform bacteria.transformation with these pTSK plasmids allowed us to localize the essential region for self-replication on plasmid pXZ10145. The minimal replication region of the pXZ10145 was located on a 1.2kb Nael-NruI DNA fragment in which only one open reading frame was found. This ORF was believed to be encoded a...

A pTSK. series of recombinant plasmids were constructed by cloning DNA fragments of pXZ10145 or its deleted deriviate pATN65 into plasmid vector pACYC177 of E. coli. Experiment results of Coryneform bacteria.transformation with these pTSK plasmids allowed us to localize the essential region for self-replication on plasmid pXZ10145. The minimal replication region of the pXZ10145 was located on a 1.2kb Nael-NruI DNA fragment in which only one open reading frame was found. This ORF was believed to be encoded a trans-acting replication factor. The replication origin (oriV) was locate on a 0.3kb NaeI-SalI fragment which was within the ORF region.

将棒杆菌质粒pXZ10145或pNAT65的不同酶切片段装入大肠杆菌质粒pACYCl77中构建了pTSK系列重组质粒。转化棒状类细菌的实验结果确定了质粒pXZ10145上复制必需区的位置。质粒pXZ10145复制最小必需区定位在NaeI-NruI的1.2kb片段上,在这个片段上只有一个约940碱基的阅读框架。它编码一个质粒复制因子,以对位作用方式协助那些不能自我复制但复制起始区仍保持完整的pTSK质粒在棒状类细菌中复制。质粒pXZ10145复制起始区在一个NaeI-SalI的0.3kb片段上,位于已确定的复制因子编码框架中。

The ES antigen of T.spiralis was derived from excretorysecretory products of T.spiralis muscle larvae incubated in vitro. In order to develop an ESlike gene recombinant antigen, the total RNA of T.spiralis was extracted with improved AGPC technique. Analyzed by denaturation agarose gel electrophoresis, it was found that the total RNA of T.spiralis had no 28S rRNA which exists in most of the eukaryotic cells. The two PCR primers were designed and synthesized on the basis of the known sequences and...

The ES antigen of T.spiralis was derived from excretorysecretory products of T.spiralis muscle larvae incubated in vitro. In order to develop an ESlike gene recombinant antigen, the total RNA of T.spiralis was extracted with improved AGPC technique. Analyzed by denaturation agarose gel electrophoresis, it was found that the total RNA of T.spiralis had no 28S rRNA which exists in most of the eukaryotic cells. The two PCR primers were designed and synthesized on the basis of the known sequences and two structural genes (TSPG and TSPG Ⅱ) encoding 45 000 and 49 000 proteins were obtained by using RTPCR technique. By sequencing, the reading frame of the deduced amino acid sequence between the positions 458 and 505 base in the TSPG nucleotide sequence was quite different with that in the P45 sequence, which encodes the different amino acid sequence (16 amino acids). Moreover, there were many onebase change in TSPG sequence as compared with the known sequence. The nucleotide sequence of TSPGⅡ was almost the same with the P49 sequence except one base. According to the recognized glycosylation sites, there was one Nlinked glycosylation site in each sequence. The recombinant plasmids were transformed and the three recombinant proteins (37 000, 46 000 and 34 000) expressed in E.coli by temperatureinduced culture with the expression levels being 22%, 10% and 8%, respectively. The expressed proteins were recognized in Western blot analysis and ELISA by sera from swine infected with T.spiralis and McAb against T.spiralis, but they showed slightly different specificity. The TSPGⅡgene was cloned into the E.coliyeast shuttle vector pHILS1 and then transformed into yeast (GS115). After methanolinduced incubation, a 45 000 recombinant protein was found in the supernatant of the culture and the expression level peaked at the time of 72 h post incubation (1.05 g/L). The expressed protein could be recognized by positive sera from swine. Based on the specificity, molecular weight of the expressed protein and the sequence of TSPGⅡ, it should belong to a glycoprotein. Overall, they would be all potentially valuable antigens for the immunodiagnosis and immunoprophylaxis of trichinellosis, especially the glycoprotein expressed in yeast.

旋毛虫肌幼虫排泄-分泌(ES)抗原来源于体外培养的旋毛虫肌幼虫的排泄-分泌物。为研制具有ES抗原功能的旋毛虫基因重组抗原,首先用AGPC法提取旋毛虫肌幼虫总RNA并进行变性琼脂糖凝胶电泳分析,发现它缺少真核生物所具有的28SrRNA。根据编码45000和49000蛋白的基因结构,设计并合成2对PCR引物,用RT-PCR方法分别扩增出了2个目的基因(TSPG和TSPGⅡ)。序列分析发现,TSPG在第458到505位之间的核苷酸编码框架与结构基因P45的不同,此外,还有多处出现与P45不同的碱基。在TSPGⅡ核苷酸序列中只有1个碱基与P49不同。根据可识别的糖基化位点判定,TSPG和TSPGⅡ各含有1个N-型连接的糖基化位点。将构建的3个重组质粒转化大肠杆菌,通过温度诱导培养,分别在大肠杆菌中表达出37000、46000和34000的重组蛋白,三者的表达水平分别为22%、10%和8%;Westernblot分析和ELISA检测表明,它们均可被猪旋毛虫病阳性血清和单克隆抗体识别,但特异性有所不同。将TSPGⅡ克隆至E.coli-Yeast穿梭载体pHIL-S1上,经内切酶消化和Southernblot杂...

旋毛虫肌幼虫排泄-分泌(ES)抗原来源于体外培养的旋毛虫肌幼虫的排泄-分泌物。为研制具有ES抗原功能的旋毛虫基因重组抗原,首先用AGPC法提取旋毛虫肌幼虫总RNA并进行变性琼脂糖凝胶电泳分析,发现它缺少真核生物所具有的28SrRNA。根据编码45000和49000蛋白的基因结构,设计并合成2对PCR引物,用RT-PCR方法分别扩增出了2个目的基因(TSPG和TSPGⅡ)。序列分析发现,TSPG在第458到505位之间的核苷酸编码框架与结构基因P45的不同,此外,还有多处出现与P45不同的碱基。在TSPGⅡ核苷酸序列中只有1个碱基与P49不同。根据可识别的糖基化位点判定,TSPG和TSPGⅡ各含有1个N-型连接的糖基化位点。将构建的3个重组质粒转化大肠杆菌,通过温度诱导培养,分别在大肠杆菌中表达出37000、46000和34000的重组蛋白,三者的表达水平分别为22%、10%和8%;Westernblot分析和ELISA检测表明,它们均可被猪旋毛虫病阳性血清和单克隆抗体识别,但特异性有所不同。将TSPGⅡ克隆至E.coli-Yeast穿梭载体pHIL-S1上,经内切酶消化和Southernblot杂交鉴定后,?

Since Barnsley presented the concept of fractal image compression, especially after Jacquin proposed a fully automatic image compression algorithm, fractal image coding has attracted a great deal of attention. A new trend is to combine fractal image coding with other image compression algorithms. Among them is to code only part of the image using fractal technique and represent the remaining part using other approaches. Based on this idea, partial fractal mapping is presented and its properties under different...

Since Barnsley presented the concept of fractal image compression, especially after Jacquin proposed a fully automatic image compression algorithm, fractal image coding has attracted a great deal of attention. A new trend is to combine fractal image coding with other image compression algorithms. Among them is to code only part of the image using fractal technique and represent the remaining part using other approaches. Based on this idea, partial fractal mapping is presented and its properties under different conditions are discussed. Some beneficial conclusions with respect to its feasibility are obtained. Also given are a framework for partial fractal coding and a new partial fractal coding scheme which can improve compression ratio while reducing encoding time.

自Barnsley提出分形图象编码的概念,特别是Jacquin给出了第一个完全由计算机自动完成的图象编码算法以来,分形图象编码得到了越来越多的关注.一种新的趋势是将分形编码方法与其他方法相结合.结合方式之一是只对图象中的一部分进行分形编码而其他部分采用不同的编码方式.文中针对这一思想给出了部分分形映射,并对其在不同条件下的收敛性、拼贴定理等性质进行了讨论.对这一思想的可行性在理论上得到了一些有益的结论.还据此给出了通用的部分分形编码框架和一个新的具体实现算法.实验表明,在提高压缩比的同时,运算时间也缩短了.

 
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