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  • A comparison of three methods for measure of time to contact 

    Alenyà Ribas, Guillem; Nègre, Amaury; Crowley, James L (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-10-11)
    Conference lecture
    Open Access
    Time to Contact (TTC) is a biologically inspired method for obstacle detection and reactive control of motion that does not require scene reconstruction or 3D depth estimation. Estimating TTC is difficult because it requires ...