Fig. 2From: Frequency-division-multiplexing based period-coded fringe pattern for reliable depth sensinga flow chart of the proposed method, b the demodulated image I1′(x,y), c the demodulated image I2′(x,y), d the wrapped phase φ(x,y) of \(I^{\prime }_{1}\), e the region detection result, f the period numbers map, g the unwrapped phase Φ(x,y)Back to article page