Secondly, this paper presents the trademark image retrieval method based on region orientation Fourier transform.
其次，本文提出了基于区域方向傅立叶变换的商标图像检索方法。
参考来源 - 基于内容的商标图像检索研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Lastly, this paper presents the trademark image retrieval method based on region orientation information entropy.
最后，本文提出了基于区域方向信息熵的商标图像检索方法。
The northern part of the region (to the right of the main image) displays linear features with a preferential northwest-southeast orientation.
本区域的北部(见主图像右侧)有呈西北-东南方向的线状地物。
The research emphases of this paper include three parts: the orientation of character region, character segmentation and character recognition.
本论文的研究重点主要包括文字区域的定位、字符的分割和字符识别三个部分。
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