Method of automatic vehicle licence plate recognition by color discrimination and reorganization
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United States of America Patent
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Issued Date -
Nov 25, 2004
app pub date -
May 19, 2003
filing date -
May 19, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An innovative method of automatic vehicle licence plate recognition is described, the vehicle licence plate recognition procedure is carried out respectively with reference to three component color red(R), green(G), and blue(B) grey level pixel maps, and then the results are reorganized. Sine the synthesized three component color R, G, B grey level pixel map is obtained by mixing R, G, B color component according to a definite proportion (for example dividing the sum of three component by 3), hence among the three component color grey level pixel maps, there must be at least one (R, or G, or B) whose contrast is better than that of the synthesized one. This most confidential one is picked out as the final result of the licence plate recognition.
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