Aiming at the complexity and changeability characteristics of label layout in augmented reality, the paper supposes to add a pre-distribution process into label arithmetic to enhance its stability, which is validated by experiments afterwards. The paper analyzes the label problem type in augmented reality, points out an idea for solving that type of problems, illustrates the implementation process of the improved arithmetic, chooses relative parameters, carries out many relative validation experiments, analyzes their results, and finds out the related factors that influence the product layout arithmetic implementation efficiency; therefore the problem is well solved with satisfactory results. The arithmetic is absolutely applicable to solving the label problem.%针对增强现实条件下标注布局复杂多变的特点,提出在标注算法中加入预分布过程以提高算法效率,增强算法稳定性,并通过实验加以验证.分析增强现实中信息标注的问题类型,指出解决该类问题的思路,并阐述改进算法的实现过程,选择相关的参数,进行多次验证实验,并对结果进行分析,找出影响产品布局算法实现效率的因素,并使问题得到较好的解决.算法在解决信息标注问题上完全可行.
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