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.