最大限度地提高信噪比能有效地改善图像质量。
The utmost high value of signal noise ratio can significantly improve the image quality.
实验结果表明本方法可以有效的增强高频成分，在一定程度上改善图像质量。
The experiments show the method is effective; it can improve the quality of compressed image.
因而扫描转换技术已经成为现行电视传输方式下改善图像质量的一种有效方法。
Instead of it, the scanning converting technique is an effective way to improve the quality of the picture in current TV transmission.
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