Mr. Sung H. Chung Profile

Sung H. Chung

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Proceedings Article | 25 January 2012 Paper

Assessing product image quality for online shopping

Anjan Goswami, Sung Chung, Naren Chittar, Atiq Islam

Proceedings Volume 8293, 82930L (2012) https://doi.org/10.1117/12.906982

KEYWORDS: Image quality, Image segmentation, Data modeling, Photography, Image processing, Image classification, Digital imaging, RGB color model, Visualization, Digital photography

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Assessing product-image quality is important in the context of online shopping. A high quality image that conveys more information about a product can boost the buyer's confidence and can get more attention. However, the notion of image quality for product-images is not the same as that in other domains. The perception of quality of product-images depends not only on various photographic quality features but also on various high level features such as clarity of the foreground or goodness of the background etc. In this paper, we define a notion of product-image quality based on various such features. We conduct a crowd-sourced experiment to collect user judgments on thousands of eBay's images. We formulate a multi-class classification problem for modeling image quality by classifying images into good, fair and poor quality based on the guided perceptual notions from the judges. We also conduct experiments with regression using average crowd-sourced human judgments as target. We compute a pseudo-regression score with expected average of predicted classes and also compute a score from the regression technique. We design many experiments with various sampling and voting schemes with crowd-sourced data and construct various experimental image quality models. Most of our models have reasonable accuracies (greater or equal to 70%) on test data set. We observe that our computed image quality score has a high (0.66) rank correlation with average votes from the crowd sourced human judgments.

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