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156 results about "Color blind" patented technology

Intelligent traffic control system for blind and its method

The invention discloses an intelligent traffic control system for the blind and a method thereof. The system comprises a transmitting device and a receiving device, wherein the connection relationship of internal modules in the transmitting device is that a data reading unit is sequentially connected with a modulation encoding unit and a transmitting unit, while the connection relationship of internal modules in the receiving device is that a receiving unit is sequentially connected with a decode unit, a control unit and an audio unit, and the control unit is connected with the receiving unit. The method is to arrange transmitting point of the transmitting device at each traffic road junction, the transmitting point of the transmitting device forms the traffic light signals received at each traffic road junction into a ring, each transmitting point of the transmitting device transmits the traffic light signals to the located road junction, the receiving device directionally receives the traffic light signals from the transmitting point of the transmitting device and obtains the traffic signal light information of the forward direction which is indicated by speech. The intelligent traffic control system for the blind can overcome the existing potential dangers for the blind going on a journey and ensure that the blind and the color blind can hear the traffic condition ahead when crossing a traffic light.
Owner:ZHEJIANG UNIV

Portable traffic light distinguishing method for color blindness and color amblyopia people

InactiveCN104268508ATo make up for the shortcomings of judging traffic signals only by the relative position of signal lightsCorrect judgment fastImage analysisCharacter and pattern recognitionTraffic signalMachine vision
The invention discloses a portable traffic light distinguishing method for color blindness and color amblyopia people. When color blindness and color amblyopia people pass through an intersection provided with a traffic light, a rear camera of a portable device is aligned with the traffic light at the intersection first, and the position of the traffic light on a screen is determined by means of touching the screen with a finger; next, a traffic light recognition system of the device judges the color of the traffic light at the position determined by means of finger touching through a related algorithm of machine vision and digital image processing, and feeds back a recognition result to a user in the forms of screen text prompting and loudspeaker broadcasting at the same time. The portable traffic light distinguishing method has the advantages that color blindness and color amblyopia people are assisted in correctly judging the traffic light, and the defect that color blindness and color amblyopia people can only judge the traffic light according to the relative position of the traffic light is overcome; meanwhile, color blindness and color amblyopia people can also be helped greatly to judge color information quickly and correctly on other occasions.
Owner:UNIV OF JINAN
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