The authors propose a new method for automatic detection and data restoration of graph drawing curves with the theory and technology of image processing and pattern recognition.
作者采用图像处理和模式识别的理论与技术，提出一种新方法实现坐标纸绘制曲线的自动提取和数字恢复。
In traditional approach, people use l_2 -norm to measure data approximation item and regularization item in regularized image restoration and super-restoration in spatial domain.
在传统的空间域正则化图像复原或超分辨率图像复原方法中，是用向量2-范数度量数据逼近项和正则项。
Image restoration is one of the most important problems in the image processing. In order to solve deconvolution problems with noisy data, the adoption of PCG Algorithm had became an obvious trend.
图像恢复是图像处理的一个重要的研究课题，而采用PCG算法完成带噪的解卷积问题则是近年来的一个趋向。
The experiment results indicate that, compared with the method using the frequency-spectrum data of non-main direction data, the improved method ameliorates the restoration effect of the blur image.
实验结果表明，改进的算法较使用非主频谱方向上的频谱数据的复原算法在复原效果上有一定的提高。
The experiment results indicate that, compared with the method using the frequency-spectrum data of non-main direction data, the improved method ameliorates the restoration effect of the blur image.
实验结果表明，改进的算法较使用非主频谱方向上的频谱数据的复原算法在复原效果上有一定的提高。
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