Abstract: An electrode includes a core of beryllium copper alloy and a safe metal coating. In some embodiments, the beryllium copper alloy comprises more than three percent beryllium, less than three percent other metals and a remaining percent copper. In some embodiments, an apparatus includes a headband, and a first and second safe metal coated copper-beryllium alloy electrode. The headband is configured to fit snugly to a head of a subject in an orientation from behind a first ear, across a crown of the subject, to a position behind a second ear. The first electrode and second electrode are disposed in the headband to contact a head of the subject at a first position and a different second position, respectively, without gels. In various embodiments, the headband includes a chip to determine an analog signal and transmit data; and, a system includes the headband and a signal analyzing unit.

Abstract: A vehicle psychomotor driving skill assessment system includes an on-board inputs group in a vehicle including physiological sensors. An on-board computer receives input from the on-board inputs group. The on-board computer accesses one or more algorithms from a memory to perform a skill test, evaluates skill test data, accesses stored skill test results from previous performed skill tests and saved average skill test results, and generates a current skill test result including a psychomotor ability assessment. A vehicle screen is provided. A skill test image generated by the on-board computer and a current user skill test result including the psychomotor ability assessment are presented on the vehicle screen to assist the user in performing the skill test. The current user skill test result assists the user in determining a user capability to operate the vehicle following the skill test.

Abstract: A method and system for guiding use of an inhaler is proposed. The method may include receiving, by a user terminal, from an auxiliary terminal worn on a part of the user's body and interlocking with the user terminal, a detection value obtained by detecting a user's action including at least one of motion or sound in association with the use of the inhaler. The method may also include analyzing the detection value by the user terminal. The method may further include determining, by the user terminal, a completion status of the user's action. The method may further include outputting, by the user terminal, result information regarding a result of the user's performing an action.

Abstract: A computer-implemented method includes generating a virtual learning environment comprising a three-dimensional interactive virtual environment. The virtual learning environment includes at least one student avatar related to a user and a second avatar that functions as an automated tutor. The automated tutor is powered by an AI processor and machine learning to generate interactive real-time responses in response to queries input by the user.

Abstract: A system for an automated real-time interactive testing based on user-response data including a processor of a testing support server (TSS) node configured to host a machine learning (ML) module and connected to at least one user-entity node and to at least one test-entity node over a network and a memory on which are stored machine-readable instructions that when executed by the processor, cause the processor to: provide test question data including a plurality of key elements to the at least one user-entity node; receive user response data from the at least one user-entity node; parse the user response data to extract a plurality of classifying features based on the plurality of key elements; query a local testing database to retrieve local historical tests-related data based on the plurality of classifying features; generate at least one feature vector based on the plurality of classifying features and the local historical tests-related data; provide the at least one feature vector to the ML module coupled

Abstract: An integrated EEG-fNIRS neurofeedback system for interacting with participant's brain activity includes EEG electrodes, fNIRS detectors, at least one information receiver, a computation module, and a report generator. The EEG electrodes collect EEG signals. The fNIRS detectors collect fNIRS signals. The at least one information receiver receives and processes the collected EEG and fNIRS signals. The computation module executes an EEG and fNIRS signal processing pipeline with the EEG electrodes, the fNIRS detectors, and the information receiver. The computation module is further configured to: calculate score information based on received EEG and fNIRS signals; select a minimum score from the calculated score information; and discard an alternative score that is not selected as the minimum score, so as to enable the computation module to choose a single representative score for the shared target objective from both EEG and fNIRS signals. The report generator provides a report of the selection.

Abstract: A blood pressure lowering training device comprises a head frame unit corresponding to a user's head shape, an audio stimulation unit for broadcasting binaural beats with frequency following response to both ears of the user, a display unit including a display module for displaying a virtual image and blood pressure information and a blood pressure measurement module for measuring blood pressure, and a control unit electrically connected with the audio stimulation unit and the display unit, so that the hypertensive patient can perform a variety of adjustable blood pressure lowering training in one use process, and effectively improve the use intention of the hypertensive patient.

Abstract: A method of targeted program transmission is provided. The method includes receiving participant data, where the participant data includes profile data and interaction data specific to the participant and making a comparison of the interaction data with an interaction threshold. Some embodiments include determining whether the participant satisfies the interaction threshold with a first programming in a first format with a first supervision level, and predicting a likelihood of the participant satisfying an additional interaction threshold associated with a second programming in a second format.

Abstract: The present disclosure generally relates to systems and methods for evaluating radar vectoring aptitude of an individual. An exemplary computer-implemented method comprises: displaying a graphic representation of an aircraft; displaying a predetermined shape of a plurality of predetermined shapes, wherein each of the plurality of predetermined shapes is associated with a facility type; providing an instruction for controlling the aircraft; receiving a plurality of audio inputs from a user; performing a speech-to-text analysis to each of the plurality of audio inputs to obtain a plurality of corresponding text strings; identifying, based on the plurality of corresponding text strings, a plurality of vectoring clearances associated with the aircraft; displaying an animation of the aircraft based on the plurality of vectoring clearances; and based on the plurality of vectoring clearances, calculating a facility-specific aptitude score of the user.

Abstract: A method of operating a food categorization engine includes extracting features from each text description of a training food data set to generate a feature set. The feature set is analyzed to determine sets of food categorization features that correlate to one or more food categories, wherein the sets of food categorization features are defined by a plurality of category vectors. Individual words and/or characters of a text description of a food item received from a user are then analyzed in order to generate a numerical vector representative thereof. The numerical vector is multiplied by a matrix defined by the plurality of category vectors. One or more food categories with which to associate the received food item are automatically selected based at least in part on the multiplication, and the data record associated with the food item is amended to include the selected food categories.

Abstract: This invention discloses a model test device and method for curtain grouting and excavation of tunnels in high-temperature, water-rich and weak strata, comprising weak strata simulation system, working condition simulation system, curtain grouting system, and monitoring and data acquisition system. The weak strata simulation system is the main box used to fill the soft soil. The working condition simulation system includes a high geothermal simulation system, a water pressure simulation system with stepwise loading of water pressure and volume, and a three-dimensional confining pressure simulation system with stepwise controllable loading of confining pressure. The invention can realize the whole test process simulation of grouting reinforcement and excavation of tunnels in weak strata effectively under the action of confining pressure and geothermal heat, and it has a positive reference effect on actual soft stratum tunnel curtain grouting and safe excavation.

Abstract: A portable rescue device (1), such as a spreader device, cutter device or combination device with a cutting and spreading function, for portable rescue operations includes a housing (2), a first hand grip (3) and a second hand grip (4) for two-handed actuation of the rescue device. An electric motor is in the housing (2) and a battery (15) is housed on the rescue device (1), or a connection to an external electrical power source. A mechanically or hydraulically driven movable piston rod (12) performs spreading and/or cutting. A display, which is provided on the housing (2). An electronic open- and closed-loop control device provides open- and/or closed-loop control of the electric motor (3) and/or of the display. The rescue device (1) has a communication interface (20) for video data (VD), the video data (VD) being user guidance data, and the display being a video-enabled display (8).

Abstract: A captioning method for presenting captions to an assisted user (AU) during communication with a hearing user (HU) where the assisted user uses a captioned device and the hearing user uses a hearing user's device to facilitate the communication, the captioned device including a display screen and a speaker for presenting captions and broadcasting the hearing user's voice signals, respectively, the method comprising the steps of during an ongoing call between the AU and the HU, using an automated speech recognition (ASR) engine to generate initial ASR captions associated with the HU's voice signal, assessing at least one caption quality factor associated with prior initial ASR captions generated during the ongoing call, delaying broadcast of HU voice signal to the AU and based on the at least one caption quality factor, adjusting a duration of the HU voice signal broadcast delay.

Abstract: A method for breast feeding coaching comprises capturing at least one image; displaying the at least one image; identifying whether a posture of a person in the at least one image is correct according to a plurality of rules for breast feeding; dynamically notifying the person to adjust the posture of the person until each of the plurality of rules is met; starting a timer to indicate that breast feeding starts; further identifying the posture of the person and notifying the person to adjust the posture of the person according to the plurality of rules during the breast feeding; ending and recording the timer when the breast feeding ends.

Abstract: In an illustrative embodiment, systems and methods for artificial intelligence (AI)-assisted content generation are configured to combine customized content item parameter values with AI model prompt templates to generate AI model prompts designed for requesting generation of new content items. The content items may include reading items, assessment items, and/or vocabulary items for presenting to learners interacting with an online learning platform. The automatically generated content items may be presented at a user interface for approval by a requesting user.

Abstract: A method for providing personalized educational content includes capturing a learner's initial learning preferences, styles, and knowledge to generate an AI Key unique to the learner; presenting the learner with educational material from an educator; dynamically updating the AI Key based on continuous learner interactions with the educational material and the learner's progress; utilizing the AI Key to inform AI-driven educational tools and services and an educator about the learner's personalized learning profile; and iteratively updating the educational material using the AI-driven educational tools and services and the educator's input to tailor the updated educational material to the learner based on the dynamically updated AI key. The method additionally prompts the educator to create or provide additional educational content tailored to the learner's personalized learning profile, the learner's interactions with the educational material, and the learner's progress.

Abstract: Methods and systems for guiding interventional surgery are provided. The method includes receiving a plurality of intracardiac echocardiography (ICE) images of a target object acquired during a preset period, analyzing of the plurality of ICE images to obtain image analysis results, and generating an interventional surgical plan based on the image analysis results to guide the interventional surgery. This method conducts image analysis on ICE image before puncture to plan the interventional surgery, thus identifying the optimal puncture angle, depth, and timing for the interventional surgery. The method can help conduct real-time detection and tracking of the puncture process, identifying and mitigating potential risks during the surgical process to improve the success rate of the surgery.

Abstract: Embodiments of a language learning system and method for implementing or assisting in self-study for improving listening fluency in a target language are disclosed. Such embodiments may simultaneously present the same piece of content in an auditory presentation and generate a corresponding visual interface, where the two presentations are adapted to work in tandem to increase the effectiveness of language learning for users.

Abstract: Methods and apparatuses for athletic training optimization are disclosed. In one example, a fitness level change is identified. In one example, a current training intensity is updated to reflect an updated user fitness level.

Abstract: A fitness coaching method, system and terminal are provided. The fitness coaching method includes the following steps: acquiring first option data of a user; retrieving a demonstrative video, and reading VideoSpeedData in the fitness coaching system according to a unique identifier of the demonstrative video to obtain a set playback speed; playing the demonstrative video, and generating synchronous count text and speech by a Text to Speech (TTS) module; acquiring second option data of the user, tuning the set playback speed, packaging to obtain a latest VideoSpeedData to be stored in SharedPreferences of the fitness coaching system, wherein a tuned playback speed is used as the set playback speed corresponding to the demonstrative video when the demonstrative video is selected a next time.