Residual coding is even more difficult to understand than motion vector coding, as the only full reference is a bunch of highly optimized, highly obfuscated C code.
剩下的编码甚至比运动矢量编码更难理解,因为唯一的完整参考是一堆高度优化的,高度混淆的C代码。
Motion Vector prediction forms a key part of video coding technique in that it directly affects the bitrate and performance of motion estimation.
运动矢量的预测是视频编码技术中的一个重要组成部分,它直接关系到运动估计的精度和码率大小。
Segmented bit vector coding schemes are advanced to obtain a mapping model with high efficiency.
文中提出了分段位向量编码的方案,得到了效率更高的映射模型。
This method is based on the techniques of block truncation coding and vector quantization.
该方法是以分块截断编码技术和矢量量化技术为基础的编码方法。
Image compression is one of the most important key techniques in image processing. Traditional compression methods include prediction coding, transform coding and vector quantization (VQ).
图像压缩是数字图像处理中最重要的关键技术之一,传统的图像压缩方法有预测编码、变换编码和矢量量化等。
To tackle the derailment phenomenon consisting in side-match vector quantization image coding technology, we introduced support vector machine.
针对边缘匹配矢量量化图像编码方法存在的出轨现象,提出一种引入支持向量机的方法。
The dissertation proposes a novel method for vector coding, i. e. Vector Projection method, which approximately represents a vector with the orthogonal projection of its endpoint onto a straight line.
提出一种矢量压缩编码新方法—矢量线上投影法,它将输入矢量用它在某条空间直线上的投影近似表示。
The principle of fuzzy vector quantization (FVQ) for image coding is discussed in this paper, and an exponential fuzzy learning vector quantization algorithm (EFLVQ) is proposed.
本文分析了模糊矢量量化(FVQ)图像编码的原理,提出了一种指数型模糊学习矢量量化算法(EFLVQ)。
Conclusion: Baculovirus transfer vector may mediate the coding protein of HHV-8 K12 gene expressed in insect cells.
结论:杆状病毒载体能够介导HHV - 8肿瘤转化基因k12编码的蛋白在昆虫细胞中表达。
So this paper USES MSSVQ as the vector quantization technique for coding.
因此本文使用MSSVQ作为矢量量化技术来进行编码。
This paper presents swarm optimization algorithm based on a pair of parallel particles, which can be used to get a good codebook in the vector quantization of image coding.
本文提出一种粒子群分组并行寻优码书设计算法,应用于图像的矢量量化编码中,它可以得到性能较好的码书。
Vector Quantization (VQ) is one of popular data compression and data coding methods for speech recognition at present.
矢量量化(VQ)是语音识别中广泛应用的一种数据压缩和编码方法。
Finally, the vector quantization and the second generation picture coding are briefly introduced.
最后介绍近年开始研究的矢量编码以及第二代图象编码。
At last, the adaptive vector quantization coding based on the DCT spectrum main orientation mentioned above is developed.
最后本文探讨了一种将基于结构特征的自适应分块与矢量量化相结合的编码方法。
The invention relates to a protein active polypeptide, a coding gene thereof, an expression vector thereof, expression fungus thereof, and an application thereof.
本发明为一种蛋白质活性多肽及其编码基因、表达载体、表达菌及应用。
To improve the compression ratio, image quality and coding efficiency, an image coding algorithm based on wavelet transform and scalar vector quantization is presented.
针对标量量化压缩比小而向量量化压缩速度慢、图像复原效果不理想等弱点,提出了基于小波变换的分类量化图像编码算法(简称“分类量化编码”)。
The work can be mainly divided into two aspects: lattice vector quantization in vector quantization coding for images and the lifting realization of the quincunx directional filter banks.
所做工作主要有两方面:一是矢量量化编码中的格型矢量量化,另一个是梅花型方向滤波器的提升实现。
This paper presents a new strategy of particle-pair(PP) for vector quantization(VQ) in image coding.
本文给出了一种新的图像矢量量化码书的优化设计方法——粒子对算法。
This method connects fractal and vector quantization coding together, during the process of decoding, the only need to check the codebook and to transform the contrast.
由于该方法把分形和矢量量化编码结合起来,因此解码时只需查找码书,并仅进行对比度变换。
Therefore it can make coding more efficient and need only one vector quantizer for all formed source vectors.
因此该方法,使编码更为有效,只需要一个编码器就能对所有形成的信源进行编码。
The vector coding touched in this article is a kind of coding based on the theories of color metrics, which belongs to non-preserving coding of image information.
本文介绍的矢量编码属于图像信息非保持编码,它是根据色度学理论来实现彩色图像数据压缩的。
On the basis of analyzing the correlation between disparity vector and motion vector, a fast disparity correspondence estimation algorithm for stereo video coding, based on MPEG-2, was presented.
本文在分析立体图象序列的视差矢量与运动矢量之间的相关性的基础上,提出一种基于MPEG - 2的立体视频编码中的视差匹配快速算法。
Moreover, when decoding the motion vector from the differential motion vector coded by the aforementioned coding, a reversed processing with respect to the coding is performed.
另外,在从通过上述编码所编码的差分运动矢量,对运动矢量进行解码的情况下,通过与编码相反的处理来进行。
Results The full-length coding sequence of IDO was cloned from activated human leukocytes and the expression vector for IDO-EGFP fusion protein was constructed.
结果从活化的人白细胞中克隆到IDO基因编码区全长,并构建了IDOEGFP融合蛋白表达载体。
Vector quantization, which has been applied successfully in the image coding, is more efficient than scale quantization.
矢量量化优于标量量化。它已成功地应用于图象的数据压缩。
The efficient video coding technique finds out a motion vector of a central macro block, and detects whether the motion vector can be applied to other macro blocks in the video frame.
本发明高效视频编码法先找出中央宏块的运动矢量,并且检验该运动矢量是否可应用于视频帧中其它宏块。
When coding the erroneous image by fractal vector quantization, a self-adaptive 2-d wiener digital filter to filtrate the contracted mean value image, which can result into a good quality codebook.
误差图像进行分形矢量量化编码时,使用设计的自适应二维维纳数字滤波器,对收缩的均值图像进行滤波后,可构造好的码书。
VSELPC? Vector Sum Excited Linear Predictive Coding?
向量和激励线性预编码?。
VSELPC? Vector Sum Excited Linear Predictive Coding?
向量和激励线性预编码?。
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