A system offering unexpected viewpoint for extraction of latent kansei needs

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To develop a system for extracting customer's latent kansei need by offering unexpected viewpoint, we demonstrated following issues. 1) We developed a method for extraction of customer's attention areas on a product using eye-movement feature during the customer evaluates the product's kansei quality. 2) We developed a method for estimating design attributes that causes customer's judgment in kansei evaluation using the extracted attention areas. 3) We developed a method for extraction of lead-users, who have viewpoints that makes majority of customer arouse their latent kansei, using extracted attention area in 1). It enables us to extract latent kansei needs by offering lead-user's viewpoints to majority of customer as unexpected viewpoints.