Patent Document ID: 20010043718
Application ID: 09812753
Patent Status: 0

Claim One:
1. A method of recognizing and determining the location of at least one of a variety of road signs from at least two image frames depicting at least one road sign wherein available known values regarding the location, orientation, and focal length of an image capture device which originally recorded the at least two image frames, comprising the steps of: receiving at least two image frames that each depict at least a single common road sign and which correspond to an identifier tag including at least a one of the following items: camera number, frame number, camera location coordinates, or camera orientation; applying a fuzzy logic color filter to said at least two image frames; filtering out and saving image frame portions containing each region that contain at least one preselected color-set from a set of at least one approved road sign color; and saving to a memory location said image frame portions of the at least a single common road sign depicted in one of said at least two image frames which is linked to at least a one of the following items: a camera number, an image frame number, a set of camera location coordinates, or a camera orientation direction used for recording.