In preprocessing, optimal threshold value method and smooth technology are adopted to process sample form image.

预处理阶段，使用最佳阈值二值化方法和平滑技术处理样本表格图像。

youdao

In preprocessing, optimal threshold value method and smooth technology are adopted to process sample form image.

预处理阶段，使用最佳阈值二值化方法和平滑技术处理样本表格图像。

youdao