Based on image technology, some basic methods of image quality detection have been analyzed, and a scheme of real-time presswork quality detection equipment is built.

本文分析总结了国内外图像质量检测的诸多方法，探索了一种利用图像技术实现印刷品缺陷在线检测的方案。

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In the aspect of image pre-processing, methods of image quality detection have been analyzed and concluded, a scheme of realizing image pre-processing using image technology is built.

在图像预处理方面，分析总结了国内外学者提出的诸多方法，探索了一种利用图像技术实现图像预处理的基本方案。

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This method could not only lay a foundation for further developing rice quality detection system by using image processing technology, but also be used to detect the ratio of other grains.

最小外接矩形计算方法不仅为进一步研究开发基于图像处理技术的稻米外观品质检测系统打下了基础，而且可用于对其他谷物进行粒型检测。

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Designed to help capture better portraits and group shots of family and friends, Face Detection technology detects up to nine faces and automatically adjusts focus and exposure to ensure better composition and image quality.

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