• 最后变换系数进行熵编码压缩

    Finally, the transformed coefficients will be compressed effectively with entropy coding.

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  • 变换系数采用非均匀标量量化编码

    DCT coefficients were quantized through nonlinear scalar quantization and entropy coding.

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  • 然后变换系数应用量化矩阵进行量化

    Then , the coefficients are quantized by quantization matrix.

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  • 测定油压气压变换系数油压释放量。

    The capacity of oil pressure relief and the conversion factor between oil pressure and gas pressure are measured.

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  • 提出量化mclt变换系数音频数字水印算法

    A new audio digital watermarking blind algorithm based on MCLT coefficient quantization is presented.

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  • 最后求出了湿热加速老化大气自然老化之间时间变换系数

    Finally the time conversing coefficients between accelerated ageing with temperature and humidity and natural ageing in atmosphere are derived.

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  • 调用水印嵌入算法,将水印嵌入变换系数里,得到新的系数

    Use the insert algorithm, embed the watermark message into the , get the new coefficient ;

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  • 提出处理方法 :即变换系数扩展了联立方程求解法。

    The calculation can use two different ways, that is:Transposition Zernike Coefficients Method and Extended Simultaneous Equations Method.

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  • DCT变换系数分布模型上,本文提出了码率控制的新思路

    Based on the distribution of DCT coefficients, a new rate control idea is proposed in this paper.

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  • 以此特征频带变换系数作为声-超声信号特征参数,分辨出接区域的缺陷信号。

    The wavelet coefficient of the feature band was regarded as the feature parameter of the Acousto Ultrasonic signal and it can distinguish defects from the adhesively bonded joints.

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  • 利用线电流变换系数进行测距不仅故障电阻的影响,也不受故障起始的影响。

    The location result is not influenced by fault resistance and inception Angle when wavelet transform coefficient of aerial mode current is used in fault location.

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  • 利用小波变换系数信号奇异性指数之间关系调频信号中提取出调制信号的频率

    Frequency of modulated signals is extracted from frequency-modulated signals by using the relationship between the modulus of wavelet transform coefficient and the singular exponent.

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  • 具体讨论了变换系数活跃测量变换系数融合方法变换系数验证、帧变换分解深度问题。

    The concrete fusion process, such as activity level measurement, coefficient combination methods, consistency verification and decomposition depth are discussed in detail.

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  • 从理论上论证了根据直接线性变换系数采用影像定向方法进行普通数码相机方位元素可行性

    It is confirmed that it is not feasible to calculate the orientation elements of common digital camera according to the DLT indexes using image inner direction method.

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  • 由于LL子带占据变换系数大部分能量,提出一种基于邻域系数梯度预测编码单独编码LL子带。

    Predictive coding based on the grads of neighbor coefficient is proposed to encode LL subband because LL subband occupied a majority of energy of transform coefficient.

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  • 基于信号不同尺度下小波变换不同变化特征结合梯度估计算法提出一种边缘检测方法

    Based on different properties of the coefficient modulus of the signal in different scale wavelet transform, conjunction the best estimate of gradient algorithm an edge detecting method is proposed.

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  • 本文利用小波变换系数平方值信号奇异性指数之间关系超声回波信号中提取出胎儿心率

    The fetal heart rate can be extracted from the returning signal of ultrasound by way of the connection between the modulus of the wavelet transform coefficient and the singular exponent.

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  • 最后基于局部余弦变换的分维矢量量化研究中,LCT变换系数采用分维矢量量化方式进行码书设计

    Finally, in split vector quantization based on LCT research, split vector quantization is adopted to quantize LCT transform coefficients and to design the codebook.

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  • 算法相邻两个尺度层上小波变换系数对应相乘从而增强了信号突变处的特征抑制噪声影响

    The algorithm, which multiplies the corresponding wavelet coefficients of adjacent fine scales, enhances the feature of discontinuity point of signals and inhibits the effect of noise signals.

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  • 目前绝大多数都基于值决策方法选择往往都是建立对信号小波变换系数的方差估计上。

    The present method for noise reduction with wavelet transform is based on the thresholding method and threshold selection will depend on the estimation of the noise standard deviation.

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  • 使用混沌映射将二进制商标像素空间区域中进行随机置乱,然后置乱的信息分块嵌入图像DCT变换系数

    The chaotic mapping enables the logo pixels rearrange randomly in the specified spatial domain, and the mixed bits of the logo were embedded in the image DCT coefficients.

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  • 本文水印方法借助扩频水印思想,通过量化函数版权保护图像变换系数进行量化,产生二值序列作为水印。

    This paper borrows the idea from spread spectrum watermark, quantizes the wavelet transform coefficients the copyright protected image to produce a binary sequence, which is just the watermark.

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  • 文章算法进行了详细的理论分析推导,实验结果进一步验证广义高斯分布描述图像小波变换系数统计特性的合理性。

    The algorithm is analyzed in detail, and experiment result again shows that the distribution of image wavelet transform coefficients can be well modeled using the generalized Gaussian distribution.

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  • 尽量减少时钟消耗前提下,此解码器可以解码每个变换变换系数的熵编码码将结果按照扫描顺序并行输出

    While minimizing the use of clock cycles, it could decode the coded stream of transform coefficients in each block and output the decoded coefficients in zigzag scanning order.

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  • 光滑函数阶导数作为函数 ,研究管道泄漏特征信号拐点区间的敏感性 ,突出小波变换系数的局部极值性。

    The differential coefficient of smooth function was taken as a mother wavelet for researching the sensitivity segment of inflexion of pipeline leakage signal.

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  • 通过理论推导及事例分析证得含平直边缘图像子块,其DCT变换系数能量并不总是集中分布在与其空间边缘走向垂直方向上。

    It is proved that for a image subblock with a single straight edge, the DCT coefficient. energy compaction orientation and the spatial edge orientation are not always orthogonal.

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  • 我们提出基于里叶模式估计二维重建算法,利用最小合原理,可以计算出待测波前的傅里叶变换系数,从而恢复原始波前。

    In this paper a new algorithm based onFourier modal estimate is proposed to reconstruct the original wavefront by use of least-square fitting.

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  • 虽然当前变换系数值进行编码已有了比较高效算法,但是现行的小波编码算法对小波变换系数符号的编码并非如同值的编码那么有效

    While efficient algorithms exist for coding the transform coefficient magnitudes, current wavelet image coding algorithms are not as efficient at coding the sign of the transform coefficients.

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  • 本文将新的初值方法赋初值方法作了详细的比较仿真实验结果表明,利用反算得到仿变换系数进行赋初值,可以提高效率测量精度

    Comparison of the new methods with the old ones by simulated images revealed that higher efficient and accuracy could be achieved by introducing affine transform into initial parameter vector.

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  • 提出一种基于矢量运算新的坐标变换方法,该方法具有需要计算转换系数矩阵可逆的特点。

    A novel reversible coordinate transform method, need not calculating the transform coefficient matrix, based on vector operation is proposed in this paper.

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