分析了小波双线性插值中高频外推阈值门限与重建图像峰值信噪比的变化关系,提出了峰值信噪比最大小波双线性插值迭代算法。
The variable relationship between the threshold of the extrapolation and its correspondent Peak of the Signal-to-Noise Ratio (PSNR) in the Wavelet Bi-linear Interpolation Algorithm is deeply analyzed.
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。
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.
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。
The objective digital film image quality assessment based on peak signal to noise ratio, together with structural similarity and human vision system is proposed.
实验结果表明该算法在低码率下,相比jpeg,获得了在视觉效果和峰值信噪比方面更好的恢复图像质量。
Experiment results show that in low bit rate environment, the new image compression scheme performs better than JPEG in the aspects of perception and PSNR (Peak Signal Noise Ratio).
经试验证明,这是一种有效的编码方法,在相同压缩比率下提高了重建图像的峰值信噪比PSNR。
Experimental results show that the improved hybrid image coding can improve the PSNR of the rebuilded image at the same compression ratio.
通过色彩空间转换,并使用最新的色差公式定义了彩色图像感知色差峰值信噪比等图像质量评价指标。
Through the transformation of color space and the use of the up-to-date formula of color difference, the evaluating index such as SCAPSNR of the colorful images is defined.
实验结果表明,该算法能获得高的压缩率,同时能保持较高的峰值信噪比和良好的重建图像视觉效果。
The experiments results show that the proposed approach can achieve higher compression ratio and PSNR, as well as better visual result.
实验结果表明,与传统方法相比,该算法重构图像的主观质量得到了明显增强,提高了峰值信噪比。
The experimental results show that the performance of this algorithm is better than the traditional method both in vision effect and peak signal to noise ratio.
为了在保持原始图像信息的情况下,提高图像的空间分辨率,改善图像的峰值信噪比,在前期的研究中提出了小波双三次插值搜索算法。
In order to improve the resolution and PSNR of the obtained image without damaging its original information, the Wavelet Bicubic Interpolation Search Algorithm was proposed in the previous work.
此外,利用熵、图像均值、均方根误差、峰值信噪比等参量对该融合方法的融合性能进行评价与分析。
In addition, with the use of the parameters such as entropy, average of image, root mean square error, peak signal-to-noise ratio, the performance of the fusion scheme is evaluated and analyzed.
实验结果表明,算法复原出的人脸图像更接近于真实图像,具有更高的峰值信噪比。
The experimental results demonstrate that the results of the proposed method are closer to the real images, with a higher peak signal to noise ratio.
实验结果表明:该算法有较好的重构图像主观质量和较高的峰值信噪比(PSNR)。
The experiment results show the image compression scheme can improve the recovery image quality and peak signal-to-noise ratio(PSNR).
实验结果表明,和原来的图像编码方法相比较,该方法在相近的峰值信噪比和压缩比的情况下,编码速度有所提高。
Finally, experiments have shown that it can accelerate the speed of coding greatly compared with the original approach of fractal image coding in similar PSNR and compression ratio.
目前医学图像处理系统中主要采用峰值信噪比(PSNR)来进行医学图像质量的客观评价。
The peak signal-to-noise ratio (PSNR) is used as a major image quality assessment in the medical image processing system.
实验结果表明,与传统的EZW算法相比,该改进算法明显提高了图像压缩的峰值信噪比。
Experimental result shows that compared to the traditional EZW, the improved algorithm can increase the peak signal to noise radio (PSNR for short) of image compression.
实验表明,这种方法评价比峰值信噪比等图像质量评估指标更接近人类主观感受。
Experiment results show that evaluation of this method is closer to human perception than Peak Signal-Noise Ratio.
本文提出了通过计算原始视频序列与经过非编系统编辑处理后的序列峰值信噪比(PSNR)的方法,对两种非编系统中常用的高清格式和码率的图像质量进行评价。
An evaluated method is proposed by calculating PSNR between original video sequence and video sequence through two non-linear editing systems from different HD formats and rate in the paper.
在寻找最优几何变换参数时,采用峰值信噪比(PSNR)作为参考图像和浮动图像的相似性测度。
When searching the optimal geometric transform parameters, peak signal-noise ratio (PSNR) was selected as the similarity measure between the reference and floating images.
大量的模拟实验结果表明,利用该算法隐藏的图像在视觉效果和峰值信噪比(PSNR)两方面均优于同类算法。
Experimental results show that both the visual quality and PSNR of the image processed using the proposed error concealment method are better than other temporal algorithms.
实验证实了EZW可以实现递进式压缩,并且压缩图像的峰值信噪比令人满意。
Experiments demonstrate that EZW is able to realize progressive compression, and the peak-signal-noise-ratio (PSNR) of the compressed image is acceptable.
实验结果表明,与普通的小波去噪方法相比,该方法不但可以保留图像的边缘信息,而且能提高去噪后图像的峰值信噪比。
Experimental results showed that, compared with the usual denoising method, the proposed method could keep images edges from damaging and increase PSNR.
介绍了图像融合的各种评价方法,包括:熵、交叉熵、交互信息量、均方误差、均方根误差、峰值信噪比。
The methods of the evaluation of image fusion, which includes: entropy, cross entropy, mutual information, mean square error, root mean square error, peak-to-peak signal-to-noise ratio were presented.
实验结果表明,不论是插值放大图像,还是超分辨率复原图像都具有较高的视觉质量和峰值信噪比。
Numerous experiment results demonstrate the effectiveness of our approach, both in the visual effect and the PSNR value.
从而进一步提高了图像的峰值信噪比,改善图像质量。
Thus, it further increases the peak signal-to-noise ratio and improves the image "s quality."
从而进一步提高了图像的峰值信噪比,改善图像质量。
Thus, it further increases the peak signal-to-noise ratio and improves the image "s quality."
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