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    • 8. 发明授权
    • Method and device for determining a pixel gray scale value image
    • 用于确定像素灰度值图像的方法和装置
    • US07420148B2
    • 2008-09-02
    • US11082248
    • 2005-03-14
    • Christian LangBernd SchneiderHolger JordanArmin Dobusch
    • Christian LangBernd SchneiderHolger JordanArmin Dobusch
    • H01L27/00H01L27/146
    • H01L27/14601G01S7/483G01S17/89H01L27/148
    • Disclosed is a method for determining a pixel gray scale value image, particularly for a multi-dimensional image system. According to said method a first modulation signal (M1) which is emitted at the emitting end and is reflected on an object that is to be recorded is correlated with a second modulation signal (M2) and is recorded at the receiving end based on at least two correlation signals (Ua, Ub or Ia, Ib) that are proportional to the respective received first modulation signal (M1). One of said modulation signals (M1, M2) is phase shifted in several phase steps (ψk) at the emitting or receiving end and a differential signal (D) is determined for each phase step (ψk) based on the correlation signals (Ua, Ub or Ia, Ib,) and a pixel gray scale value (PGray) is determined based on said difference signal (D) independently of interfering signals.
    • 公开了一种用于确定像素灰度值图像的方法,特别是对于多维图像系统。 根据所述方法,在发射端发射并被反射在要记录的物体上的第一调制信号(M1)与第二调制信号(M 2)相关,并且在接收端基于 与各接收的第一调制信号(M 1)成比例的至少两个相关信号(Ua,Ub或Ia,Ib)。 所述调制信号(M 1,M 2)中的一个在发射或接收端处以多个相位步进(psik)相移,并且基于相关信号(psik)为每个相位步长(psik)确定差分信号(D) Ua,Ub或Ia,Ib,),并且基于所述差分信号(D)独立于干扰信号来确定像素灰度值(P灰色灰度值)。