为了实现对特征点的准确定位与跟踪，本文还对视觉标识的设计进行了分析，采用一种黑白双色的平面模板。

To implement the features of the better real time and more accurate registration, the manual vision marks of black-white pattern are designed.

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具有平面设计，皮革装饰，通过封闭的顶部和底部，邮政编码，浮雕图案的细节，可调节肩带，与标识标签和拉链口袋到内地。

Featuring flat design, leather trim to the top and bottom, zip through closure, embossed logo detail, adjustable shoulder strap, and zip pocket with logo TAB to the interior.

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