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基于序列操作数据的元素布局预测

Element Layout Prediction with Sequential Operation Data

  • 摘要: 创建规则的元素布局在许多场景下是常见的任务.用户在完成该任务的时候往往需要进行大量烦琐的元素操作.针对该问题,提出了一种布局预测方法以协助用户高效地创建规则元素布局.从SmartDraw中选取30组流程图模板作为基础数据集并进行数据增强,以视觉图像和属性编码2种形式对数据进行联合编码,训练以图像字幕网络为基础框架的神经网络,使该网络有效地学习到进行元素布局时的规则,并据此进行布局的预测.对布局进行预测时提供包含局部到全局的多个候选结果,保证预测具有可接受的准确率,有效地协助用户完成布局操作.设计了包括简单与复杂布局任务的用户调研;采用量化指标从性能、效率和稳定性对所提方法进行评价和分析.结果表明,与传统布局工具相比,所提方法可显著地减少用户定位元素的次数,缩减完成布局任务的时间,有效地提高用户的布局效率.

     

    Abstract: Creating the regular layout of elements is a fundamental task in many scenarios.This task is often te-dious since the user has to perform a lot of repeated operations.To address this problem,a layout prediction method is presented to assist the user for the regular layout creation task.30 groups of flow chart template are collected as the basic data set from SmartDraw and data enhancement operation is applied.These data are en-coded in the form of image and property list and are used to train a neural network.The trained network is able to learn the layout patterns and perform the layout prediction.The prediction includes multiple layout candidates in different scales and reaches an acceptable accuracy.Proposed method is tested with a user study including both simple and complex tasks.The evaluation is based on the quantitative analysis of the performance,effectiveness,and stability.The results show that,compared with traditional tools,proposed method is able to notably reduce the number of element positioning operations and the task completion time,and therefore improves the efficiency of layout creation.

     

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