Table 1: Template update.

CharacterExplanationUpdate criterionUpdate method

position of centerMatching   × (1 − alpha1) + alpha1 ×  
position of centerMatching   × (1 − alpha1) + alpha1 ×  
MHI accumulated value of directionMatching + =
MHI accumulated value of directionMatching + =
WidthTemplate widthMatchingWidth = width × (1 − alpha2) + alpha2 × widthdetection
HeightTemplate heightMatching Height = height × (1 − alpha2) + alpha2 × heightdetection
ScoreThe number of matching with detection rectangleMatchingScore++
ScoreperfrmThe number of matching in current frameMatching, the end of frameScoreperfrm++ matching
0 the end of frame
ScoremaxThe max of scoreperfrm in templateThe end of each frameMax(scoreperfrm, scoremax)
FrameThe frame of last matchingMatchingFrame = framedetection