Preferably, characters or marks, in particular traffic signs a supporting box.

• 1. 在PowerMill软件中对模具上的基准孔添加字符标记的方法和装置 [P] . 中国专利： CN105957153B . 2019.06.28
• 2. 在PowerMill软件中对模具上的基准孔添加字符标记的方法和装置 [P] . 中国专利： CN105957153A . 2016-09-21
• 3. Traffic sign recognizing method for driver of vehicle, involves assigning additional character to traffic sign, searching additional character in given positions, and detecting additional character by edge detector and grey value detector [P] . 德国专利： DE102008057675A1 . 2009-07-02

  机译： 车辆驾驶员的交通标志识别方法，包括给交通标志分配附加字符，在给定位置搜索附加字符，并通过边缘检测器和灰度值检测器检测附加字符。

• 4. Support post, traffic sign for a support post, attachment for a support post, adapter piece and modular traffic sign with such a support post and either such a traffic sign or such an attachment [P] . 德国专利： DE202019102100U1 . 2020.03.31
• 5. TRAFFIC SIGN FOR A SUPPORT POST, ATTACHMENT FOR A SUPPORT POST, ADAPTER PIECE AND MODULAR TRAFFIC SIGN WITH SUCH A SUPPORT POST AND USE OF SUCH A TRAFFIC SIGN OR SUCH AN ATTACHMENT [P] . 欧洲知识产权局专利： EP3696322A1 . 2020-08-19

  机译： 支持标志的交通标志，支持标志的附件，带有这种支持标志的适配器件和模块交通标志以及使用这种交通标志或附件的交通标志

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• 2. Performance of Drilled Shaft Foundations Supporting Coastal Mast Arm Traffic Signal and Highway Sign Structures [D] . Rodriguez, Carlos M. 2019
• 3. Study on the Relationship between Drivers’ Personal Characters and Non-Standard Traffic Signs Comprehensibility [O] . Antoni Wontorczyk, Stanislaw Gaca 2021
• 4. Traffic Sign Classification using Support Vector Machine and Image Segmentation [O] . Kedkarn Chaiyakhan, Anusara Hirunyawanakul, Ratiporn Chanklan, 2015

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