quantization

quantization

1. Speckle Reduction;Image Compression; Wavelet Transform; Median Filter; Quadtree Classification; Trellis Coded Quantization.

01相干斑抑制;图像压缩;中值滤波;小波变换;四叉树分类;网格编码量化

2. Further more, intra prediction and integer transform &quantization are analyzed emphatically which are the core techniques in the H.264/AVC.

264/AVC的编码策略和提高编码效率的重要技术特性,然后着重分析了其中的2项关键技术:帧内预测和变换与量化。

3. Then analyses the main technologies in H.264 and AVS, including quantization and transform coding, motion estimation and compensation, and entropy coding.

264和AVS标准进行了详细的剖析。

4. This article has modified the standard vector quantization (VQ) method andproposed a recognitionmethod that is Weight Distortion Measure VQbased on standarddeviation.

2、本文对基本的VQ识别算法进行了改进,提出了一种矢量量化识别方法,即基于标准差的加权失真测度的矢量量化。

5. The A/D converter chooses a quantization level for each analog sample.

A/ D 转换器为每个类比样品选择一个量子化水平。

6. Context quantization is an efficient method to deal with this problem.

Context量化是解决这个问题的有效方法 .

7. FSVQ is a recallable vector quantization system,which also uses past information for optimizing the code book,and is more effective for speech recognition.

FSVQ利用了过去的信息来选择合适的码本进行编码,对于语音识别更为有效。

8. The JPEG encoder includes DCT, Zigzag scan, Quantization, DPCM&RLE and Huffman coding.

JPEG编码器又由DCT模块、Zigzag_scan模块、Quantization模块、DPCM编码和游程编码模块、Huffman编码等组成。

9. MPEG-4 AAC LC profile algorithm mainly consists of several modules, such as psychoacoustic module、filterbank module, quantization coding module and bitstream formatter module.

MPEG-4 AAC LC层编码器主要由心理声学模块、滤波器组、量化编码模块、比特流格式器等模块组成。

10. An N-bit converter chooses among 2N possible quantization levels.

N- 一点点转换器在 2 N 可能的量子化水平之中选择。

11. QccPack - QccPack provides an open-source collection of library routines and utility programs for quantization, compression, and coding of data.

QccPack提供一套用于量子化,压缩和数据编码的库例程和工具程序集合。

12. The first method is an improved DCT-based private watermarking algorithm.The embedment intensity of watermarking is enhanced by the quantization of the originality carrier image.

一个是在分析原有的明文水印算法基础上,通过对原始载体图像进行量化处理来增强水印的嵌入强度。

13. A subrange in quantization.

一种量化时所使用的子区间。

14. In the quantization process of improved method,if the watermark point is key point,then use larger quantizing parameter Q to quantize wavelet coefficient,else use smaller Q .

与常规RRW算法不同 ,算法使用关键点信息 ,在对小波系数进行特征量化时 ,对关键点取较小的Q值 ,对非关键点取较大的Q值 .

15. To meet the demand,based on 2-D wavelet transform,this paper proposes a lossy compression method using band grouping and vector quantization.

为了对高光谱图像进行有效压缩,在2维小波变换的基础上,提出了一种分组矢量量化的高光谱图像有损压缩方案。

16. At first, the error model of the vector quantization, watermarking embedding and the noisy channel were established and further the simplified model was given.

为了用蚁群算法进行优化,首先建立了矢量量化、水印嵌入及通过噪声通道的误差模型,并给出了简化模型。

17. The research give a guide for the quantization of texture quality of bread with hardness, springiness got from TPA experiment.

为利用质构仪测试的硬度和弹性指标量化面包感官评价的质构指标提供理论基础。

18. Quantization noise analysis of linear phase frequency sampling FIR filters was discussed, and computation formula for measuring quantization noise was described in this paper.

主要分析了线性相位频率采样FIR滤波器中的量化噪声,并给出计算公式。

19. They have passbands which extend from DC, and the quantization noise is pushed up into the higher frequencies.

他们具有从直流延伸到截止频率的通带和被扩散到高频的量化噪声。

20. He applied the concept of quantization of energy to the hydrogen atom .

他把能量量子化的概念用于氢原子。

21. The paper discusses uncertain quantization and comprehensive approaches to diagnosis based on blind number.

以盲数理论为基础,阐述了诊断专家意见的不确定性量化和综合方法。

22. As one method of image lossy compression vector quantization has great compression ratio.

作为图像有损压缩的方法之一,矢量量化的压缩比极大。

23. The interpolation is equal to subdivide those control rules,so the quantization error can be eliminated thoroughly,and the system can get better steady-state performance.

使用插值算法相当于细分了控制规则,从根本上消除了量化误差,改善了系统的稳态性能。

24. Several algorithms of process data compression are introduced in detail, such as box car, backward slope, SDT, PLOT and vector quantization.

例如,矩形波串法、后向斜率法、SDT算法、PLOT算法及矢量量化方法等,并进一步指出了过程数据压缩中的一些实际问题。

25. The strength of the signal compared to that of the quantization errors is measured by dynamic range and signal-to-noise ratio .

信号的力量与量子化错误的相较被动态的范围和信号-到- 噪音比测量。

26. The algorithm assumes that the LSF parameter has a GMM Gaussian distribution so that the LSF vector can be quantized using a random Gaussian distribution vector quantization.

假设LSF矢量属于GMM中的某一个G auss ian分布,用G auss ian分布随机矢量的量化方法对LSF矢量进行了量化。

27. As an example, narrowband Gaussian noise is considered. In this case, the LORD is found to be a modified form of the Savage test (MS), and its asymptotic performance is compared with that of the rank sum and rank quantization detectors.

做为例子,在高斯噪声情况下,求出LORD为修正Savage检测器,并把它的渐近性能与常用的秩和、秩量化检测器做了比较。

28. The key is the notion of a discrete quantization of a random variable X.

其中的关键是对一个随机变量X进行的离散量化的概念。

29. Then,we discuss the LSF parameter quantization method and propose a better spectral distortion evaluation method.

其次讨论了LSF参数量化方法,提出了一种较好的求取谱失真测度的方法。

30. Medical image transmission; Wavelet-based vector quantization coding; Concatenated coding; Narrowband interference; Frequency-domain adaptive filter.

医学图像传输;小波矢量量化编码;级联码;窄带干扰;自适应滤波

31. Methods in compression field include: matching with DCT coefficient, vector quantization based technique, subband technique, motion vector technique.

压缩域中的方法主要包括:利用DCT系数进行匹配、利用矢量量化的方法、利用子带分解的方法、利用运动矢量的方法。

32. Experiments of the phase control null and random phase quantization in density weighted phased arrays are described.

叙述了在密度加权相控阵上进行的随机馈相和波束置零实验。

33. Architectures of Quantization, Dequantization and Mode Decision units have also been designed.

另外也设计了数量化、解数量化及模式决定电路来完成完整的编码工作。

34. Because a linear predictor with few taps can capture most of raw signal correlation, the performance of the BAPQ is superior to that of the block adaptive quantization (BAQ).

后者是通过预测编码来消除SAR原始数据之间的相关性从而提高压缩性能。

35. Therefore we need take color quantization to abstract the colors of image inputted by scanners before a futher disposal.

因此,在进行进一步处理前,需要对图像进行颜色量化,将扫描图像中的颜色归并为少数几种颜色。

36. It was difficult to saturate at channel 21 in mid-infrared band, and the independent character and the quantization degree of this channel were very outstanding.

在中红外波段,21通道不易饱和,该通道独立性、量化程度都非常突出;

37. In the preencoding stage, with rate model, calculating the potential encoding bit numbers(EBN) and corresponding quantization value(NEAR) based on the buffer fullness.

在前一阶段 ,利用提出的模型推算出满足缓存的估计编码比特数及对应的量化值 .

38. Sample grids are formed in the object region.Feature matrixes are computed through relative quantization.

在目标区域上形成采样网格,通过相对量化提取结构特征矩阵。

39. In the second chapter, we made canonical quantization and de Broglie-Bohm interpretation on two kinds of black holes.

在第二章中,我们对两类黑洞进行了正则量子化并给出其de Broglie-Bohm解释。

40. One is adaptive quantization, and anther is adaptive prediction.

在自适应预测模块中,实现了反向自适应量化,以及自适应预测和重建信号子算法。

41. A semi-fragile speech watermarking algorithm based on speech model is researched, which is realized by quantization of line spectrum pair (LSP) parameters.

在语音产生模型的基础上研究了一种基于该模型的半脆弱性数字水印算法,通过对语音信号的线谱对(LSP)参数嵌入水印信息来实现。

42. Quantization step of each coefficient is automatically computed in terms of the JND to adaptively embed watermarking.

在量化过程中,根据人眼视觉模型可见临界误差来确定每个系数的量化步长,实现了水印的自适应嵌入。

43. The BAQ is adapted to the high dynamic range of SAR complex images and reduces the quantization error.

块自适应量化方法很好地适合复数图像数据动态范围大的特性,减小了量化误差。

44. Vector quantization(VQ),without regard to the difficult speech segment and the complex time warping,becomes a useful method for text-independent speaker recognition.

基于矢量量化的说话人识别,因其运算过程简单等特点,在说话人识别领域有着广泛的应用。

45. Complete quantization of the electron’s free motion is implemented by trapping it in a quasi-zero-dimensional quantum dot (QD).

如果把电子束缚在一个准零维的量子点中,就可以实现电子运动就完全量子化。

46. Nicolaos B. Karayiannis, An axiomatic approach to soft learning vector quantization and clustering, IEEE Trans on Neural Networks, vol. 10, pp1153-1165, 1999.

孔祥为,李国平,"动态模糊矢量量化算法",<中国图像图形学报>,2000年第5卷(A)655-659页.

47. It reduces the high-frequency quantization noise generated by imprecisely positioned object edges.

它滤除了由没有精确定位的物体边界信息产生的高频噪声。

48. A fully relativistic quantum theory required the development of quantum field theory, which applies quantization to a field rather than a fixed set of particles.

完全相对的量子理论需要量子场理论的发展,它适用场的量子化而不是粒子的确定。

49. After physical character quantization and extraction, we can acquire an example set comprising the correspondence between FAP and EigenERI.

完成物理特征量化及提取后,便可以获取蕴涵FAP与EigenERI因果关联的样例集。

50. Experimental results also show that for every quantization width, every scale in time and every scale in space, 3D-PCW not only achieves higher compression rate but also costs less time than 3D-ESCOT.

实验数据也表明,对于每个量化幅度和每个空间及时间分辨率,3D-PCW不仅获得了比3D-ESCOT更高的压缩比,而且算法执行所需要的时间也更少。

51. The experiment al results and some real applications show the effectiveness of the proposed met hod.The method is also used for color quantization of real color images.

实验结果和实际应用都证明了新方法的有效性,该方法也可应用于全真彩色图像的量化。

52. Simulation results verified the performance of the proposed algorithm better than that of the polyphase transform and selective quantization.

实验结果表明,该算法的性能优于多相变换与选择量化算法。

53. Simulation results prove that the proposed scheme can achieve 0. 5~2dB higher PSNR than traditional threshold and bit-plane based quantization scheme at the same bit-rate.

实验表明,在相同码率下,与传统阈值选取和量化方案相比,该算法重构图像的PSNR要高出0.5-2dB。

54. This method utilizes convolutional encoding and signal space expanding to increase Euclidian distance between signals, and the effect of quantization is further improved.

对小波变换后的数据进行网格编码量化,利用卷集编码和信号空间扩展来增大量化信号间的欧氏距离,获得了更好的量化效果。

55. Three learning vector quantization(LVQ) networks with same structure corresponding to three kinds of stimulations were built for the predictive classification of the EEG signals.

对应3种刺激方式建立3个相同结构的学习向量量化(LVQ)神经网络,用于对脑电信号的预分类;

56. There are several methods for EEG data compression, such as Huffman coding, DPCM/ADPCM, visiting distance coding, vector quantization, arithmetic coding, etc. .

对数据进行压缩的方法很多,一些通用的压缩算法如Huffman编码,DPCM/ADPCM,游程编码,矢量量化,算术编码等等。

57. Of hydrogen atom or hydrogen-like ions, the elliptic orbit, energy, orbital velocity, period and quantization are discussed in brief and perfection.

对氢原子或类氢离子中电子的椭圆轨道和能量及其量子化等给出了一个简明、完善的讨论.

58. The effect of the quantization of the fringe intensity on the phase error in phase shifting measurement is formulated.

对相位移测量技术中的条纹强度量化所引起的相位误差进行了定量研究。

59. We have discussed the Dirac method and Faddeev-Jackiw method in the quantization of constrained systems.

对约束系统量子化中Dirac方法和Faddeev Jackiw方法进行了讨论 ,并对它们的运动方程、正则量子化的等价性进行证明 .

60. An improvement of the angular-momentum diagram is given.Attention has been paid to the quantization of the angular momentum in three directions.

对量子力学教材中关于角动量的一个常用插图进行了改进,强调三个角动量分量都是量子化的。

61. This paper combines multiple description scalar quantization and SPIHT coding to get efficient multiple description image coding over wireless error-prone network.

将多描述标量量化与SPIHT编码联合起来,得到无线差错网络环境下的高效多描述图像编码。

62. The paper gives a quantization method of Electric Arc Furnace activity analysis and evaluation using data envelopment analysis (DEA).

将数据包络分析DEA引入电炉冶炼作业的分析评价,给出了适用的定量化分析方法。

63. Thirdly, the Loeffler algorithm is improved;In quantization part, a new matrix avoiding division operation is constructed.

并采用改进的Loeffler算法进行一维DCT快速变换,对MPEG量化技术也进行了优化,构造出一个可以避免除法运算的改进的帧内量化矩阵。

64. The compressed into two main documents, training.m right training data to be processed and four of the initial code, quantizing.m treat quantitative data for vector quantization.

应用LBG算法对语音信号进行矢量量化。本压缩包共有两个主文件,training.m对训练数据进行处理并得到四个初始码本,quantizing.m对待量化数据进行矢量量化。其余为自编功能函数。

65. This article is to show the way of ensuring hygiene safety of public places for important activities by means of the Classifying Quantization System of Public Places.

应用公共场所量化分级指标对重大活动公共场所卫生安全进行保障。

66. Using quantion theory,this paper researches existence of magnetic monopole,and further,obtains the important characteristics about quantization of electric charge.

应用量子理论研究了磁单极子的存在,从而得到电荷量子化这一重要特性。

67. Number-phase quantization scheme for LC circuit and Josephson junction's Cooper pairs[J].

引用该论文 范洪义,王继锁,唐绪兵,梁宝龙.

68. N.B. Karayiannis, Pin-I Pai and Nicholas Zervos, Fuzzy algorithms for learning vector quantization, IEEE Trans on Neural Networks, vol.7, pp.1196-1211, 1996.

张基宏,李霞,谢维信,"一种随机竞争学习矢量量化图像编码算法",<电子学报>,2000年第28卷第10期33-36页.

69. CIQ(Color image quantization) refers to the process of replacing N colors in an image with K colors,and making the new image is as much as close to the original one.

彩色图像量化是指将一幅具有N种颜色的图像用K(K N)种颜色替换,并使替换后的图像与原图像尽可能接近。

70. Another element that influences the quality of sampling is the level of resolution, or quantization of a sampler.

影响采样品质的另一个要素是所取样本的分辨率,或量化程度。

71. As a result, the quantization bit rate of 12 -17 bits in an A/D converter, and the sampling frequency of 22 GS/s are required.

得出结论为: A/D转换器的量化比特位数应为12-17位,最小采样频率应为22GS/s。

72. The proposed method is compared with a JPEG hidingtool Jpeg-Jsteg,and a method of quantization table modification(QTM).

我们将所提方法与JPEG隐藏工具Jpeg-Jsteg、基于量化表修改(QTM)的方法进行了比较。

73. We have direct experimental evidence for the quantization of energy.

我们已经有了关于能量量子化的直接实验证据。

74. A new discriminant analysis method based on LWT(Lifting Wavelet Transform) and LVQ(Learning Vector Quantization) Network was proposed in this paper.

提出了一种基于提升小波变换(LWT)和学习矢量量化网络(LVQ)相结合的鉴别分析方法。

75. Local vector quantization algorithm based on Self-Organizing Feature.

提出了一种基于自组织特征映射神经网络的局部矢量量化算法。

76. An optimized hardware architecture of run lenth decoding,inverse scan,inverse quantization and inverse transform in AVS video decoder is presented.

提出了一种适用于AVS的游程解码、反扫描、反量化和反变换硬件结构优化设计方案。

77. In this paper,A method of vector quantization with adaptive difference compensation based on dynamic image block regularization is presented.

摘要 提出一种图像块动态调整的自适应差值补偿矢量量化方法。

78. A fast encoding algorithm based on the Mean Square Error(MSE) distortion for vector quantization is introduced.

摘要 研究了一种基于均方误差(MSE)测度的矢量量化快速编码算法。

79. Based on Vector Quantization (VQ), a Grey-based Competitive Learning Network (GCLN) in the Mean value / Difference value Transform (MDT) domain is proposed.

摘要:植基于向量量化,一个应用灰色理论的竞争式学习网路于平均值/差值转换域技术被提出。

80. In order to reduce the quantization error of pipelined A/D converter, a simple and efficient modified algorithm is presented.

摘要为了减小流水线结构A/D转换器的量化误差,提出了一种简单有效的改进算法。

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