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CN103679640A 一种提高纸质文件转化成的PDF文件的清晰度的方法 无效 - 驳回

一种提高纸质文件转化成的PDF文件的清晰度的方法
摘要：
本发明涉及一种提高纸质文件转化成的PDF文件的清晰度的方法。该方法包括：步骤1：扫描纸质文件，得到电子图片文件；步骤2：确定电子图片文件的上边距、下边距、左边距和右边距，并删除处于电子图片文件的上边距、下边距、左边距及右边距范围内的数据，将得到的第一裁剪文件转换为第一PDF文件；步骤3：将第一PDF文件分为若干个矩形对象，确定各矩形对象的有效区域，并删除各矩形对象除其有效区域之外的数据，得到与各矩形对象一一对应的裁剪矩形对象；步骤4：将各裁剪矩形对象按照与其对应的矩形对象在第一PDF文件上相同的位置分布进行组合，得到第二PDF文件输出。本发明能提高纸质文件转化成的PDF文件的清晰度。
摘要（英）：

This invention relates to a method for improving definition of PDF files converted from paper files, which comprises steps of 1 scanning paper files to obtain electronic image files ;2 determining the top margin, the bottom margin, the left margin and the right margin of the electronic image files, deleting data in the ranges of the top margin, the bottom margin, the left margin and the right margin of the electronic image files and converting a first pruning file to a first PDF file; 3 dividing the first PDF file into a plurality rectangle objects, determining effective zones of the rectangle objects, deleting the data out of the effective zones of the rectangle objects, and obtaining pruning rectangle objects corresponding to the rectangle objects based on one-to-one correspondence; 4 combining the pruning rectangle objects according to the identical positions of the corresponding rectangle objects on the first PDF files and obtaining the output of a second PDF file. The method can improve the definition of PDF files converted from paper files.

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