peak signal
英 [piːk ˈsɪɡnəl]
美 [piːk ˈsɪɡnəl]
网络 峰值信号; 最大信号; 峰值信號
双语例句
- The objective digital film image quality assessment based on peak signal to noise ratio, together with structural similarity and human vision system is proposed.
提出了以峰值信噪比为基础，结合结构相似度和基于人眼视觉系统的数字电影图像质量客观评价方法。 - Clearly, It excelled some similar filters in terms of image vision effects, the peak signal to noise ratio, the mean square errors after using LLMF by experiments.
从实验结果可见，使用LLMF滤波器，图像的视觉效果、峰值信噪比、均方误差均优于同类混合滤波器。 - The proposed method can eliminate the noise effectively and provide the improved Peak Signal Noise Ratio ( PSNR) over wavelet and contourlet transform.
实验证明此方法能更有效地消除图像噪声并得到比小波和轮廓波变换更高的PSNR。 - Acquisition and Auto-interpretation of White-light Interference Peak Signal
白光干涉峰位信号的采集与自动判读 - Simulation results show that this algorithm effectively improves the PSNR ( peak signal to noise ratio) and achieves better subjective visual quality.
仿真结果表明，该方法可改善图像的峰值信噪比，获得更好的主观视觉质量。 - Experimental results on several kinds of a stream show that the Peak Signal to Noise Ratio ( PSNR) only has change while the subjective image quality improves well.
通过用多种码流测试仿真得出的数据显示，相对于原来的滤波算法峰值信噪比（PSNR）改变较小，主观上图像的视觉效果有较好的改善。 - The simulation analysis shows that the new algorithm can effectively improve the peak signal to noise ratio of the image, and the denoising effect is more satisfactory than other methods.
通过仿真分析，新算法对于细节丰富的图像以及高密度噪声的图像滤波效果良好，有效地提高了图像的峰值信噪比，去噪效果相比其他方法更加优秀。 - There are many kinds of image fusion methods, such as information entropy, mutual information, mean square error, peak signal to noise ratio and mean grads.
医学图像融合的效果评价方法有很多，如信息熵、互信息、均方值、峰值信噪比和平均梯度等。 - It utilizes spectral envelope estimation to obtain envelope and peak signal and calculates signal-to-noise ratio of speech harmonics in iterate form under least square estimate criterion.
它利用谱包络估计器得到谱包络及尖峰信号，结合最小均方估计准则下的迭代算法计算语音谐波的信噪比； - Experiments are performed on monochrome and color image sequences, and performance is measured by the peak signal to noise ratio ( PSNR).
最后分别对单色和彩色图像序列进行了实验，利用峰值信噪比（PSNR）来度量算法的性能。 - Experimental results show that while the threshold value is increased, this method can be used to keep the image edges well-defined, and increase the peak signal/ noise ratio of the de-noised image by 1~ 2 dB.
实验证明，在加大阈值的情况下，此种方法仍保持了清晰的图像边缘，去噪后的图像峰值信噪比提高了1～2dB。 - Based on the Laplacian distribution model of AC DCT coefficients, we deduce theoretical relationship between the scaling parameter in a typical watermarking algorithms and signal to noise ratio ( SNR) or peak signal to noise ratio ( PSNR) of watermarked images.
根据DCT交流系数的拉普拉斯分布模型，推导了DCT域典型水印算法中拉伸系数与信噪比和峰值信噪比之间的理论关系。 - The results show that it is effective to identify the peak signal and noise by wavelet decomposition.
研究结果表明，小波分解能有效地区分信号中的突变部分和噪声，达到降噪的目的； - It has been proved that this algorithm is better than these former algorithms through the contrast of image impersonality criterion ( peak signal to noise ratio, normalized mean square error, normalized mean absolute error).
通过对滤波后图像的一些客观指标（峰值信噪比、归一化均方误差、归一化平均绝对误差）的比较，证明本文算法优于以前的改进算法。 - Simulation results demonstrate the effectiveness of the proposed algorithm in this papper, experimental data show that the proposed algorithm is better than some reconstruction algorithm in visual effects and peak signal to noise ratio.
仿真实验结果证明了本文算法的有效性，实验数据表明本文的算法在视觉效果和重构峰值信噪比上都要优于某些重构算法。 - The experimental results of the noise and noise-free image reconstruction have shown the superiority of the algorithm in data comparisons of visual quality, root mean square error and peak signal to noise ratio.
仿真实验结果在视觉质量，最小均方根误差和峰值信噪比的数据对比中都表明了本文提出的算法较之其他算法具有一定的优越性。 - The results show that this method could obtain image texture-rich information, and raise the peak signal to noise ratio.
结果表明，该方法可以得到丰富的图像纹理信息，提高了峰值信噪比，其结果符合人们的视觉感受。 - Experimental results show that the algorithm has a relatively large increase on the hiding capacity while maintaining the peak signal to noise ratio of JPEG images and the DCT histogram features.
实验结果表明，MDCT算法在保持JPEG图像峰值信噪比和DCT直方图特性的基础上，隐藏容量有较大幅度的提高。 - Compared with the wavelet transform method, the algorithm has certain advantages in the deviation index, peak signal to noise ratio and other indicators. 4.
与小波变换方法相比，该算法在偏差指数、峰值信噪比等指标上具有一定的优势。 - This clinical result shows the PSNR ( Peak Signal Noise Ratio) in the method of super-neighborhood average filtering is the biggest.
临床实验结果表明线性滤波方法中的超限邻域平均法得到的峰值信噪比（PSNR）最大。 - To validate the correctness and validity of the proposed methods, parameters of the individual peak signal and the overlapping peaks signal which include two individual peaks are estimated using the data with noise and the data without noise respectively.
为了验证方法的正确性和有效性，分别在无噪声和有噪声两种情况下，对单峰信号和双重叠峰信号的参数进行了估计。 - Through simulation experiments on different images, this paper proves the validity of the improved model by the peak signal to noise ratio.
论文通过对不同图像的实验仿真，根据峰值信噪比等参数验证了改进模型对图像去噪的有效性。 - This method can preserve the edges information of CBCT images, reduce the denoising artifacts, achieve higher PSNR ( Peak Signal to Noise Ratio), and provide a better vision effect. 2.
该方法可以有效地保留CBCT图像中的边缘信息，减少去噪伪影，并能得到更高的峰值信噪比，进而有更好的视觉效果。 - At last, we evaluate the system by compressing ratio and peak signal and noise ratio.
最后，从压缩比和峰值信噪比两个方面评价了系统的性能。 - The evaluation parameters of image quality are, such as peak signal to noise ratio ( PSNR) and information entropy ( IE), used to do quantitative analysis and experimental verification.
采用了峰值信噪比（PSNR）和信息熵（IE）等图像质量评价标准做定量分析和实验验证。 - The experimental results are evaluated with subjective and objective methods, which including the peak signal to noise ratio, mean square error and bit error rate.
传输效果的评价方法采用主观和客观两类方法。其中，客观评价指标包含：峰值信噪比、均方误差和误码率。 - At the same time, through the calculation of different image denoising PSNR ( peak signal to noise ratio, PSNR), It further proof that the new algorithm for image denoising can get more satisfying de-noising result.
同时，通过计算不同去噪图像的峰值信噪比（peaksignaltonoiseratio，PSNR），进一步证明新算法获得的去噪图像能够获得更令人满意的去噪结果。 - Then add the two-dimensional speckle noise into the pictures of different gray values, and filter the images in the use of filtering algorithm. Contrast the mean square error and peak signal to noise ratio that before and after filtering.
然后，将生成的二维斑点噪声加到不同灰度值的图片上，利用滤波算法对图片进行滤波，对比滤波前后图像的均方误差和峰值信噪比。