摘要:
Apparatus for scanning and recognizing characters comprises: an optical sensor for capturing images, which optical sensor carries out continuous shooting of the scanned characters to obtain an image frame sequence containing the scanned characters, and the content of an image frame partly overlaps content of the previous image frame in the sequence; and a control module for processing the images and recognizing the characters. The control module divides the image frames in the image frame sequence into groups of image frames including reference frames, skip frames and predictive frames according to the overlapping contents, and combines the standard frames and the predictive frames into a panorama image, taking a group of image frames as a unit, and carries out character recognition after performing skew correction based on the panorama image, to obtain the character codes of the scanned characters. The skip frames can be skipped directly, increasing the splicing speed.
摘要:
Disclosed is a device for varying capacitance which pertains to the field of application of electronic devices and components. The technical essentials of the present invention lie in that: two dielectrics are disposed in parallel with an isolation layer interposed therebetween; the two dielectrics each are connected to an electrode at the same one end face thereof; the other end face of each of the two dielectrics is provided with an elastic conductive pad; a gasket is provided between the two dielectrics and the elastic conductive pads. The relative position and compressed area between the elastic conductive pads and the dielectrics vary according to the magnitude of the external force so that the capacitance between the electrodes of the dielectrics is varied accordingly within a certain range. Therefore, once the value and the variation of the capacitance between the electrodes are measured, the magnitude and the status of the external force which brings about the variation of the capacitance can be obtained. The device of the present invention has a simple structure and high sensitivity. Also, it has a definite zero initial value and a maximum value of the capacitance, and therefore is easy for handing and measurement.
摘要:
An aircraft, an aircraft control method, and a computer readable storage medium. An aircraft including: a gyroscope used for measuring the angular velocity of the yaw angle of the aircraft; a processor used for determining a yaw control signal of the aircraft on the basis of the angular velocity of the yaw angle without considering the acceleration of the aircraft; and an execution mechanism used for adjusting the flight of the aircraft on the basis of the yaw control signal.
摘要:
A touch control apparatus, a control method thereof and an electronic device having the touch control apparatus are disclosed, which belong to the technical field of touch control. The touch control apparatus comprises: a panel (1); a transmitting antenna (2) arranged on the panel (1) and configured to transmit a detection wave for detecting whether the panel (1) is being touched; at least three resonant circuits arranged on the panel and configured to sense the detection wave and generate resonant waves; and a control processing unit (6) configured to control to process the resonant waves and position information of the resonant circuits to obtain corresponding touch information comprising at least a touch pressure and a touch position. The touch control apparatus, the control method thereof and the electronic device enable touch control of the panel by a general object through utilizing the resonant circuits. The present disclosure can be advantageously implemented by simple process at low cost and have wide usage prospect in the touch control field.
摘要:
Disclosed is a device for varying capacitance which pertains to the field of application of electronic devices and components. The technical essentials of the present invention lie in that: two dielectrics are disposed in parallel with an isolation layer interposed therebetween; the two dielectrics each are connected to an electrode at the same one end face thereof; the other end face of each of the two dielectrics is provided with an elastic conductive pad; a gasket is provided between the two dielectrics and the elastic conductive pads. The relative position and compressed area between the elastic conductive pads and the dielectrics vary according to the magnitude of the external force so that the capacitance between the electrodes of the dielectrics is varied accordingly within a certain range. Therefore, once the value and the variation of the capacitance between the electrodes are measured, the magnitude and the status of the external force which brings about the variation of the capacitance can be obtained. The device of the present invention has a simple structure and high sensitivity. Also, it has a definite zero initial value and a maximum value of the capacitance, and therefore is easy for handing and measurement.
摘要:
An apparatus having handwriting input and the mouse functions is an external input device of computer field. A handwriting screen is amounted inside a mouse body, and the handwriting screen is connected to a processor. An optical displacement sensor is connected to the processor or can also be located therein. USB interface unit is connected to the processor or can also be located therein. The optical displacement sensor is used to acquire relative coordinate information when the apparatus moves, and the handwriting screen is used to acquire handwriting trace information. The processor is directly connected to USB external interface of the computer through its connection or its embedded USB interface unit to establish a communication. The present invention relates to a structure of the apparatus divided into two parts, i.e. the mouse and the handwriting screen. The present invention has both the mouse and the handwriting input functions, and can implement the mouse and the handwriting input operation at any moment while employ a resistance screen to prevent influence of humidity. Its structural design is reasonable, so its operation is convenient, its bulk is small, and it can be carried conveniently.
摘要:
A human facial identification method and system are disclosed, which belong to the mode identification technical field and intend to improve veracity of human facial identification implemented in outdoor environment. The human facial identification method includes: driving a group of infrared lamps by a high frequency pulse signal to generate infrared backlight, collecting identified human facial features in irradiation of the infrared backlight, comparing the collected identified human facial features with a human facial template to complete the human facial identification. A human facial compensation method and system are also disclosed, which are intend to improve luminance of infrared backlight. The technical solutions are mostly applied to the human image identification field.
摘要:
The present invention relates to digital circuit processing and provides a position indication device and a position indication method. In order to improve positioning accuracy of the position indication device without degrading its sensitivity, a position indication device is provided. The device comprises: a voltage dividing circuit connected with a resonant circuit and a rectifying and filtering circuit. The voltage dividing circuit obtains a predetermined proportion of a signal output from the resonant circuit and outputs it to the rectifying and filtering circuit. The present invention is applicable to digital handwriting pens.
摘要:
A human facial identification method and system are disclosed, which belong to the mode identification technical field and intend to improve veracity of human facial identification implemented in outdoor environment. The human facial identification method includes: driving a group of infrared lamps by a high frequency pulse signal to generate infrared backlight, collecting identified human facial features in irradiation of the infrared backlight, comparing the collected identified human facial features with a human facial template to complete the human facial identification. A human facial compensation method and system are also disclosed, which are intend to improve luminance of infrared backlight. The technical solutions are mostly applied to the human image identification field.
摘要:
This invention refers to peripheral equipment of a computer and is a wireless and passive tablet for inputting to the computer that converts the track of handwriting to digital X, Y coordinates and then inputs it to the computer and then displays the track on screen of the computer. The characteristic of the wireless and passive tablet is using the coil of X, Y direction in transmitting and receiving. A square wave is generated and input to a transmitting circuit. A transmitted electromagnetic wave is inputted to a circuit of a pen to form resonance that will be outputted to a receiving circuit. The receiving circuit connects to an amplifying circuit to amplify the signal and input the amplified signal into a phase angle detecting circuit and an amplitude detecting circuit respectively to control the phase angle and amplitude. And then the signal is inputted to a primary CPU to realize the writing function of the wireless pen.