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62 results about "General pattern" patented technology

Method for selecting preference channel and digital TV using the same

A method for selecting preference channels comprising the steps of initializing a digital TV(DTV) system to set an idle state of a general mode in which a channel is selected through multi-stage-input procedures; registering a preference channel set including at least one preference channel through which a user most-frequently watch DTV, the registered preference channels corresponding to specific keys, respectively; c) switching current general mode to a preference mode; and d) selecting one channel of the registered preference channel set through the one-touch input of the specific key corresponding to the one channel, in the switched preference mode.
Owner:LG ELECTRONICS INC

Optical character recognition method for deep learning model based on convolutional neural network

The invention discloses an optical character recognition method for a deep learning model based on a convolutional neural network. The method includes the following steps: collecting data sets of common Chinese characters of different fonts, 10 Arabic numerals and 26 English letters and converting the data sets into picture formats; slightly twisting and rotating the pictures to enhance the robustness of the model, and generating a model training database; establishing the deep learning model of optical character recognition; inputting the training sets into the model, continuously optimizinga target function and learning a multi-classifier by using the convolutional neural network model through the method of supervised learning; and for a novel test sample, carrying out feature extraction on the novel test sample based on the model obtained in the previous step and obtaining a final classification result by using the model classifier. The invention provides the novel model and methodfor deep learning based on the convolutional neural network in optical character recognition. The method can be applied to general pattern classification tasks, especially text recognition. The optical character recognition model based on deep learning can significantly improve the identification correct rate of character identification.
Owner:中科博宏(北京)科技有限公司

Conformal phased array antenna pattern synthesis method applied to unmanned aerial vehicle

The invention discloses a conformal phased array antenna pattern synthesis method applied to an unmanned aerial vehicle. The conformal phased array antenna pattern synthesis method comprises the following steps of: acquiring a general pattern of conformal phased array antennas, and acquiring an initial optimization value of the amplitude Amn of each antenna unit; optimizing the initial value of the Amn by virtue of a genetic algorithm; and acquiring a conformal phased array antenna pattern with a low side lobe characteristic. According to the invention, a plane phased array optimization method is used for quickly obtaining the amplitude of each unit and the approximate value of each phase; and as a side lobe hunting zone is reduced by designating side lobe areas, the optimization speed ofthe genetic algorithm is improved greatly. The method disclosed by the invention also can be applied to the low side lobe pattern synthesis of any conformal phased array of the antenna units projected on a plane.
Owner:BEIHANG UNIV

Electronic device touch control plate function expansion system, method and electronic device

The invention provides a touch panel function extending system of an electronic device, a method and an electronic device thereof. The touch panel function extending system of the electronic device comprises a mode switching module, a signal receiving module, an instruction database and a calculation identifying module, wherein, the mode switching module receives a keystoke signal from a keystoke and ensues that the manipulation state of the electronic device is switched between an ordinary mode and a special mode according to the keystoke signal; the signal receiving module receives a contact signal from a touch panel and sends the contact signal to the calculation identifying module; under the special mode, the calculation identifying module reads and knows an operating instruction according to the fact that the contact signal identifies one of the following of a contact coordinate, a contact frequency and a continuous path; moreover, a signal for calling or executing an application software or a program installed or stored inside the electronic device is generated corresponding to the operating instruction following the corresponding relation loaded by the instruction database. The invention improves the service convenience.
Owner:SENTELIC TECH CO LTD

Multi-operating mode selection device for electric automobile

The invention discloses a multi-operating mode selection device for an electric automobile. A power input end of a vehicle control unit is connected with a multi-power input selection switch; the switch is provided with a resistor R1, a resistor R2 and a resistor R3 which are connected in series with one another; the other end of the resistor R1 is connected with a 5V power supply; the other end of the resistor R3 is grounded; a normal mode power input switch is arranged between the resistor R1 and the 5V power supply; an emergent mode power input switch is arranged between the resistor R1 and the resistor R2; an energy-saving mode power input switch is arranged between the resistor R2 and the resistor R3; a constant speed mode power input switch is arranged between the resistor R3 and the ground; and one end of a selection key is selectively connected with selection ends of the normal mode power input switch, the emergent mode power input switch, the energy-saving mode power input switch and the constant speed mode power input switch, and the other end of the selection key is connected with the power input end of the vehicle control unit. By the device, a vehicle can operate in a normal mode, an energy-saving mode, an emergent mode, a constant speed mode and other operating states.
Owner:TIANJIN QINGYUAN ELECTRIC VEHICLE
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