TREMBLING RECOGNITION AMOUNT ESTIMATION DEVICE AND TREMBLING RECOGNITION AMOUNT ESTIMATION PROGRAM

• Main Authors: TADENUMA MAKOTO, KOMINE KAZUAKI
• Format: Patent
• Language: English; Japanese
• Published: 07.09.2017
• Subjects: CALCULATING; COMPUTING; COUNTING; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS

PROBLEM TO BE SOLVED: To accurately estimate a trembling amount which a viewer who views a trembling video recognizes, namely a trembling recognition amount.SOLUTION: A trembling recognition amount estimation device 1 comprises: a movement vector for every area detection part 10 for detecting a movement vector; a movement area determination part 30 for determining presence/absence of movement; a movement area number application part 40 for applying a movement area number; a rotation center rotation angle calculation part 50 for acquiring a rotation center and a rotation angle in whole screen; a rotation vector calculation part 60 for acquiring a rotation vector; a rotation residual vector calculation part 70 for acquiring a rotation residual vector; a space frequency energy calculation part 100 for acquiring a corrected space frequency energy; a correlation value between movement areas calculation part 110 for acquiring a correlation value between movement areas; a correlation value between a boundary and an inner part of a movement area calculation part 120 for acquiring a correlation value between a boundary and an inner part of a movement area; and a total trembling energy calculation part 130 for calculating a total trembling energy.SELECTED DRAWING: Figure 2 【課題】動揺映像を観視した視聴者が認知する動揺量、すなわち動揺認知量を高精度に推定する。【解決手段】動揺認知量推定装置１は、動きベクトルを検出する領域別動きベクトル検出部１０と、動きの有無を判定する動き領域判定部３０と、動き領域番号を付与する動き領域番号付与部４０と、全画面における回転中心及び回転角を得る回転中心・回転角算出部５０と、回転ベクトルを得る回転ベクトル算出部６０と、回転残差ベクトルを得る回転残差ベクトル算出部７０と、補正済み空間周波数エネルギーを得る空間周波数エネルギー算出部１００と、動き領域間相関値を得る動き領域間相関値算出部１１０と、動き領域内部境界間相関値を得る動き領域内部境界間相関値算出部１２０と、総動揺エネルギーを算出する総動揺エネルギー算出部１３０と、を備える。【選択図】図２