PROBLEM TO BE SOLVED: To provide a viewing state estimation device for estimating a viewing state from biological signals of a subject during content viewing.SOLUTION: A viewing state estimation device 1 includes: inter-similarity mapping information calculation means 16, that calculates mapping information between similarity of biological signals among learning subjects inputted for each measuring channel and similarity of answer data for learning (a viewing state) among the learning subjects answered by the learning subjects channel selection means 18 that selects a channel of which accuracy of the mapping information is high, from an error between similarity of biological signals and similarity of a viewing state among other learning subjects using the mapping information viewing state estimation value calculation means 22 that calculates a viewing state estimation value of target subjects, from similarity between biological signals of a selected channel of the target subjects and the biological signals of the learning subjects, the similarity of the viewing state among the learning subjects, and mapping information corresponding to the selected channel.COPYRIGHT: (C)2015,JPO&INPIT【課題】コンテンツ視聴中の被験者の生体信号から視聴状態を推定する視聴状態推定装置を提供する。【解決手段】視聴状態推定装置1は、計測チャンネルごとに入力される学習用被験者間の生体信号の類似度と、学習用被験者が解答した学習用被験者間の学習用解答データ(視聴状態)の類似度との間のマッピング情報を算出する類似度間マッピング情報算出手段16と、当該マッピング情報を用いた他の学習用被験者間の生体信号の類似度と視聴状態の類似度との誤差から、マッピング情報の精度の高いチャンネルを選択するチャンネル選択手段18と、対象被験者の選択チャンネルの生体信号と学習被験者の生体信号との類似度と、学習被験者間の視聴状態の類似度と、選択チャンネルに対応するマッピング情報とから、対象被験者の視聴状態推定値を算出する視聴状態推定値算出手段22と、を備える。【選択図】図2
