9. The computer implemented method of detecting one or more vehicles in a video frame according to claim 1 , wherein the classifier is a SVM classifier, and wherein the candidate search window is eliminated as a function of either a fixed or adaption aspect ratio associated with each candidate search window.
9. The computer implemented method of detecting one or more vehicles in a video frame according to claim 1 , wherein the classifier is a SVM classifier, and wherein the candidate search window is eliminated as a function of either a fixed or adaption aspect ratio associated with each candidate search window. 10. The computer implemented method of detecting one or more vehicles in a video frame according to claim 9 , wherein the fixed or adaptive aspect ratio is associated with typical dimensions of vehicles detected within the ROI.