Traffic signs effected by shooting environment and natural environment , and varying degrees of geometric distortion. This work introduced a new method to extract the traffic signs' Hu moment features that based on affine invariant. First , according to the shape coordinates x,y of traffic sign is independent of each other before affine transformation . Then getting traffic signs only have rotating effect by ICA transformation . Finally , recognizing traffic sign by compare the Hu's moment feature. Results show this method can greatly improve the feature extraction accuracy of Hu moments and traffic sign recognition efficiency
Traffic Signs Recognition Based on Affine Invariant Hu's Moment Features
Applied Mechanics and Materials ; 321-324 ; 945-949
2013-06-13
5 pages
Article (Journal)
Electronic Resource
English
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