image direction meaning in English

印纹方向

This thesis introduces a contract research for omron software co . ltd japan . the research includes development of image characteristics describing image direction and then constructing an image direction classification system
本课题为日本欧姆龙软件股份有限公司发掘可用于图像方向分类的图像特征量并实现一个判别图像方向（正立方向和两种非正立方向）的分类系统。
In our research , variation of contour line is used for describing the characteristics of image structure . using teacher images and machine learning method , an image direction classification model is built as a decision tree . test results argued the validity of this method
本课题使用图像轮廓线向量特征来反映图像的构图特征，通过教师实例获得用户的方向分类概念，然后利用决策树的学习建立分类模型，并且在此分类模型的基础上实现了一个图像正立方向判别系统。