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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: IEEE Trans Circuits Syst Video Technol. 2016 Nov 18;28(4):1021–1036. doi: 10.1109/TCSVT.2016.2630848

TABLE I.

Parameters Used in Our Algorithm

Parameter Value Description
Et (frame) 7 The temporal extension of 1D temporal Gabor filters
Ωt (rad/frame) 2π × 0.075k, k=0, 1, 2, …, 6 Used temporal frequencies of 1D temporal Gabor filters
Es (pixel*) 10 The spatial extension of 1D spatial Gabor filters
Ωx(y) (rad/pixel) 2π × {0.1, 0.15, 0.2} Used spatial frequencies of 1D spatial Gabor filters
vmax (pixel/frame) 2 Maximum absolute of allowed 1D velocity component on subsampled image
vi (pixel/frame) ±0.1p, p=0, 1, 2, …, 20 Sampled velocity points for 1D velocity voting
*

The word pixel in this table refers to the pixel in the rescaled (subsampled) image and corresponds one point in the estimation grid of original image.