1. A method comprising: training a computer system to identify a curb; evaluating image data of a region of interest to determine a region wherein a curb is visible in said region of interest, said evaluation further comprising: determining a length of said region where said curb is visible; dividing said length by a predefined length to determine a number of available parking spaces; and estimating a parking occupancy of said region of interest according to said region where said curb is visible.