OMRON AUTOMOTIVE ELECTRONICS CO LTD;オムロンオートモーティブエレクトロニクス株式会社
发明人:
MATSUURA YOSHIRO,松浦 義朗
申请号：
JP2016071159
公开号：
JP2017176641A
申请日:
2016.03.31
申请国别(地区):
JP
年份:
2017
代理人:
摘要：
PROBLEM TO BE SOLVED: To reduce effects of differences between individuals and between situations in a face image processing apparatus which determines the state of opening or closing of an eye.SOLUTION: A face image processing apparatus 100 comprises: an opening degree detection unit 10 for detecting an opening degree value representing an opening degree of an eye based on a face image； a nictation feature amount calculation unit 20 for calculating a feature amount of nictation based on the opening degree value detected by the opening degree detection unit； and a periodic nictation determination unit 30 for determining whether or not the nictation is periodic nictation based on the feature amount of nictation calculated by the nictation feature amount calculation unit. The feature amount of nictation calculated by the nictation feature amount calculation unit includes an opening/closing time period indicating the period from the instant the opening degree detection unit detects that the eye is now closing until the instant the opening degree detection unit detects that the eye is now opening and/or the interval of nictation or nictation of both eyes detected by the opening degree detection unit.SELECTED DRAWING: Figure 3【課題】 眼の開閉状態を判定する顔画像処理装置において、個人差や状況差による影響を低減する。【解決手段】 顔画像に基づいて、眼の開き度合いを表す開度値を検出する開度検出部１０と、開度検出部が検出した開度値に基づいて、瞬目の特徴量を算出する瞬目特徴量算出部２０と、瞬目特徴量算出部が算出した瞬目の特徴量に基づいて、瞬目が周期性瞬目か否かを判定する周期性瞬目判定部３０と、を備え、瞬目特徴量算出部が算出する瞬目の特徴量は、開度検出部が眼が閉じつつあると検出した時から眼が開きつつあると検出した時までを示す開閉時間と、開度検出部が検出した瞬目の間隔または両眼の瞬目のいずれか一方または両方とを含む顔画像処理装置１００。【選択図】 図３
