An Explainable XGBoost-based Approach for Assessing Product Presentation Video

Yujia Lu, W. You, Chang-yuan Yang, Shi Chen, Yuxi Wang, Lingyun Sun
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Abstract

Product presentation video, an essential medium for online product presentation, mainly conveys product information to consumers. The quality of product information expression will affect consumer's purchase experience, even purchase decisions. But many video production novices often have difficulty assessing the effectiveness of their videos and doing optimization. Thus, we adopt information mediums' perceived usefulness and perceived ease of use as assessment indicators, and propose an automatic explainable assessment method. The method is based on the combined use of the extreme gradient boosting algorithm and SHapley Additive exPlanations method, which is implemented to assess video samples and generate explanations on the assessment results. We create a product presentation video dataset for development and evaluation. The results show that our method can assess video effectively, and provide insights into the shortcomings of videos' production like experts.
一个可解释的基于xgboost的产品演示视频评估方法
产品展示视频是在线产品展示的重要媒介,主要向消费者传递产品信息。产品信息表达的好坏会影响消费者的购买体验,甚至购买决策。但许多视频制作新手往往难以评估其视频的有效性并进行优化。因此,我们以信息媒介的感知有用性和感知易用性作为评估指标,提出了一种可自动解释的评估方法。该方法基于极端梯度增强算法和SHapley加性解释方法的结合,实现对视频样本进行评估,并对评估结果生成解释。我们创建了一个用于开发和评估的产品演示视频数据集。结果表明,该方法能够有效地对视频进行评估,并能像专家一样洞察视频制作的不足。
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