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34results about How to "Improve input accuracy" patented technology

Email communication system and method based on motor imagery and visual attention mixed brain-computer interface

The invention discloses an email communication system and method based on a motor imagery and visual attention mixed brain-computer interface. The system comprises a visual stimulator, an electroencephalogram acquisition platform, a system control unit, a data processing module, a cursor control module and a character input module, wherein the visual stimulator comprises an LCD (Liquid Crystal Display)-based visual stimulator and an LED (Light-Emitting Diode)-based visual stimulator; the LCD-based visual stimulator is provided for a user in an interface display way, and the LED-based visual stimulator is implemented through a hardware circuit. According to the method, the motion control and target selection of a two-dimensional cursor are realized by simulating a computer mouse through the mixed brain-computer interface based on motor imagery and LCD visual attention, and input of email addresses and contents is realized by simulating a computer keyboard through the brain-computer interface based on LED visual attention; the working modes of the mouse and the keyboard are switched through a stimulation key in an LCD simulator. The system has the advantages of high cursor motion control accuracy, high robustness, high character input accuracy and the like.
Owner:江西千叶彩印有限公司

Method and system for generating electronic case history with informing and signing functions

The invention discloses a method and system for generating an electronic case history with informing and signing functions. The method comprises the following steps of: collecting a voice file and a medical image file during diagnosis of a doctor on a patient; transmitting the voice file and the medical image file to a server; resolving the received voice file by the server to obtain a voice resolving result, and resolving the received medical image file by the server to obtain a medical image resolving result; converting the voice resolving result and the medical image resolving result into text files; comparing the converted text files with pre-stored medical terms; performing medical term error correction to form an electronic case history file; storing the electronic case history file; configuring the corresponding relationship between the formed electronic case history and a client of the patient or a family member of the patient; marking the time of an event in the electronic case history to form a timestamp; sending an informing and signing notice to the client of the patient or the family member of the patient corresponding to the electronic case history file; receiving the informing and signing notice by the client of the patient or the family member of the patient; and storing notice receiving feedback information into the electronic case history file.
Owner:QILU CHILDRENS HOSPITAL OF SHANDONG UNIV

Feasibility study evaluation system integrating grid multi-source information

InactiveCN108345991AImprove scienceStrengthen online management and controlResourcesInformation technology support systemFeasibility studyTransformer
The invention discloses a feasibility study evaluation system integrating grid multi-source information. The system comprises an evaluation system platform version and an evaluation system field version. The evaluation system platform version achieves that a user group including a company development planning department, a construction department and various city power supply companies completes,based on a grid planning project library, a grid preliminary work plan, a power grid diagnosis analysis conclusion, a transformer station load measured result, a load ratio of the transformer and theline, the capacity-load ratios of different grid grades, the analysis result of a single-line single transformer, and grid GIS platform information, the collection and preliminary examination of the feasibility study data of a project. The evaluation system field version realizes the filling, checking, and summarization of professional evaluation suggestions and the evaluation of the quality of the feasibility study reports of different design units. The establishment of the feasibility study evaluation system of a grid infrastructure project strengthens the evaluation management, realizes theinnovation of the evaluation method, the optimization of the business process and the strengthening of the standard norms, and promotes the effective coordination of multiple professions.
Owner:RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER +1

An e-mail communication system and method based on a hybrid brain-computer interface of motor imagery and visual attention

The invention discloses an email communication system and method based on a motor imagery and visual attention mixed brain-computer interface. The system comprises a visual stimulator, an electroencephalogram acquisition platform, a system control unit, a data processing module, a cursor control module and a character input module, wherein the visual stimulator comprises an LCD (Liquid Crystal Display)-based visual stimulator and an LED (Light-Emitting Diode)-based visual stimulator; the LCD-based visual stimulator is provided for a user in an interface display way, and the LED-based visual stimulator is implemented through a hardware circuit. According to the method, the motion control and target selection of a two-dimensional cursor are realized by simulating a computer mouse through the mixed brain-computer interface based on motor imagery and LCD visual attention, and input of email addresses and contents is realized by simulating a computer keyboard through the brain-computer interface based on LED visual attention; the working modes of the mouse and the keyboard are switched through a stimulation key in an LCD simulator. The system has the advantages of high cursor motion control accuracy, high robustness, high character input accuracy and the like.
Owner:江西千叶彩印有限公司

Self-adaptive key value display input system for virtual reality

The invention discloses a self-adaptive key value display input system for virtual reality, which can improve the input efficiency. Specifically, an input module is used for obtaining a current inputkey value of a user and calling an input character correction algorithm to correct the current input key value. A display module is used for displaying the virtual keyboard and the current input key value in the user visual field virtual environment. An algorithm module comprises the following algorithms: a character prediction algorithm is used for calculating a prediction key value according toa previous input key value; a display key value correction algorithm corrects the display range of the predicted key value according to the predicted key value and a preset correction area, and sets the display size and the display duration; and an input character correction algorithm judges that if the current input key value is in a preset correction area around the predicted key value, the current input key value is corrected into the predicted key value. A display module displays the predicted key value in the virtual keyboard according to the corrected display range of the predicted key value and the set display size and display duration.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY +2

Input system based on hand fingertip force feedback in virtual reality scene

The invention discloses an input system based on hand fingertip force feedback in a virtual reality scene. The input system is a rapid and efficient text input system suitable for a mobile scene. In order to achieve the purpose, the technical scheme is that the system comprises a fingertip force feedback module which is used for obtaining state information of the fingertip of a user and sending the state information to an interaction module, and is also used for providing force feedback for the fingertip of the user according to control information; an interaction module which is used for receiving the state information, sending the state information to the central processing module, receiving the control information and returning the control information to the fingertip force feedback module; a central processing module which is used for calculating input information according to the state information, the input information comprising a pressing key value or a springback key value ofa fingertip, and calculating control information according to the input information, the control information comprising pressing feedback or rebound feedback of the fingertip, sending the control information to an interaction module, generating an input information image according to the input information, and rendering the input information image into a display module.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY +2

Electrocerebral time-frequency component dual positioning normal form quick character input method

The invention discloses an electrocerebral time-frequency component dual positioning normal form quick character input method, which includes the steps: (1) exerting visual stimulation on a time domain and a frequency domain after a character input phase is started; (2) dividing channels of EEG (electroencephalogram) signals acquired in real time into two groups according to time-frequency components including SSVEP (steady-state visual evoked potentials) and P300 so as to perform signal processing respectively while a user pays attention to a target character; (3) judging whether the user executes character input operation or not, determining the target character by means of the step (2) and displaying the target character on a character input result display area if the user is judged to execute character input operation, and if the user is judged not to execute character input operation, shifting to a character input interface rather than performing character input, and then shifting to the step (1) so that the user reselects the target character. The method has the advantages of simplicity in principle, convenience in operation, capabilities of improving target identification accuracy rate and increasing character input speed and the like.
Owner:NAT UNIV OF DEFENSE TECH

An input system based on hand fingertip force feedback in a virtual reality scene

The invention discloses an input system based on hand fingertip force feedback in a virtual reality scene, which is a fast and efficient text input system suitable for moving scenes. In order to achieve the above object, the technical solution of the present invention is: the system includes: a fingertip force feedback module, which is used to obtain the state information of the user's fingertip and send it to the interaction module, and is also used to provide force feedback for the user's fingertip according to the control information. The interaction module is used to receive status information and send it to the central processing module, and is also used to receive control information and send it back to the fingertip force feedback module. The central processing module calculates the input information according to the state information, and the input information includes the pressing key value or rebounding key value of the fingertip; calculates the control information according to the input information, and the control information includes the pressing or rebounding feedback of the fingertip, and controls the The information is sent to the interaction module, and is also used to generate an input information image according to the input information, and render the input information image to the display module.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY +2
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