Determining the Effect of Variation in Colour Gradient Information for Optic Flow Computations

3D velocities are mapped onto 2D picture space using optical flow techniques. Optic flow is calculated using a pair of images that are in order and are typically grey scale images. Horn and Schunck’s optic flow computation implies that brightness consistency is maintained. Colour optic flow provides the advantage of obtaining optic flow vectors even when the brightness of the input images varies. Color band gradients and component gradients are used to examine the utilisation of colour bands for optic flow. The effects of these two types of gradients on three different colour models are given and examined. Based on gradient analysis, a decision logic is provided to select the best colour model for colour optic flow calculation.

Author (S) Details

B. N. Shobha
MSRSAS, Bangalore, India.

Govind R. Kadambi
MSRSAS, Bangalore, India.

S. R. Shankapal
MSRSAS, Bangalore, India.

Yuri Vershinim
Coventry University, U.K.

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