122 results about "Visually impaired" patented technology

The invention discloses a real-time collaborative cross-scene visual assistance and environment perception system for visually impaired people based on head-mounted equipment. According to the invention, through fusion of a multi-mode perception technology and a neural feedback mechanism, all-around environmental cognition support is provided for visually impaired people. Key targets such as curbs, steps and traffic signals in a complex scene can be accurately recognized, and a safe navigation scheme is generated in real time in combination with a dynamic path planning and obstacle avoidance algorithm. Through personalized feedback modes such as voice and vibration, the system can adjust the interaction rhythm according to the behavior habit and cognitive state of the user, ensure efficient and natural information transmission, effectively reduce the cognitive load of the user, help the visually impaired people to travel autonomously in different environments, improve the independent living ability, and improve the user experience. Real-time response and calculation efficiency are balanced through a collaborative architecture, so that a high-performance auxiliary function is not limited by heavy hardware equipment any more. The universal design reduces the use threshold, and is helpful for more visually impaired people to enjoy the convenience brought by science and technology.

The invention provides an anti-counterfeiting traceability system and method based on a Braille dot matrix code, and the method comprises the steps: associating the multi-dimensional information of a whole life cycle of a product with the Braille dot matrix code through constructing a Braille dot matrix code generation rule of a fusion encryption algorithm and an error correction mechanism; storing the associated braille dot matrix code and product information to a block chain node to form a non-tampering traceability data chain; during verification, braille dot matrix codes are analyzed through visual scanning or tactile recognition, product information is extracted and subjected to consistency verification with hash values stored in the block chain, and tactile feedback interaction is provided for visually impaired users; and finally, anti-counterfeiting verification and full-process traceability of the product are realized, the use requirements of common users and visually impaired users are considered, and the problems that the existing anti-counterfeiting technology is easy to copy, the traceability data are unreliable and the traceability data are not friendly to visually impaired groups are solved.

1. The name of the design product: blind recognition reminder. 2. The use of the design product: the design product is a blind stick detection device, which is used to detect obstacles and remind the visually impaired people when they go out. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

1. Name of the product in this design: Braille Touch Trainer. 2. Purpose of this design: To assist visually impaired individuals in Braille touch training. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention discloses a dynamic obstacle avoidance method for assistive visually impaired scenarios. First, a feature extraction module based on a hierarchical residual structure constructed within residual blocks is built, which expands the receptive field of deep features. Second, a spatial feature recovery module based on bilinear interpolation and transposed convolution upsampling is designed to make segmentation edges more accurate. Third, a discrete sampling strategy is used to extract obstacle category, distance, and contour information, and path planning is performed using a heuristic search algorithm considering safe distance constraints. Finally, priority rules and logical order rules for the obstacle avoidance warning system are assumed, and a decision is generated based on the planned path, effectively guiding blind users to avoid obstacles through auditory and tactile information. This invention solves the problem that single-stage instance segmentation algorithms struggle to simultaneously and accurately segment small target obstacles and background road surfaces, overcoming the difficulty of providing effective information for obstacle avoidance decisions in assistive visually impaired scenarios with instance segmentation results, enabling blind users to avoid obstacles more intelligently and autonomously.

This utility model discloses a portable medicine box suitable for visually impaired users. The portable medicine box includes a sleeve and a body. The body includes an end, one side of which has a groove. When the groove is fully inserted into the sleeve, the end rests against the open end face of the sleeve. Multiple partitions are provided within the groove, dividing its interior into multiple medicine storage compartments. The bottom surface of the groove has positioning recesses, the same number as the partitions, arranged in a straight line. Each positioning recess corresponds to one partition. The open end of the sleeve has a pair of supporting protrusions. Between the two supporting protrusions is an elastic tongue that engages with the positioning recess. When the elastic tongue retracts into the positioning recess, the open end of the sleeve aligns perfectly with the corresponding partition. This utility model solves the problem of inconvenience in using existing technology.

The utility model belongs to the technical field of auxiliary devices, and particularly relates to an auxiliary device for visually impaired people to perceive colors in multiple dimensions, which comprises a book body, each page of the book body is respectively provided with a color marking card, a description card, an olfaction module and a touch module, different colors are marked on each page of the color marking card, and each page of the book body is provided with an olfaction module and a touch module. According to the braille learning book, visual impaired children can conveniently touch and read the braille learning book, the color marking cards and the touch module are fixedly connected with the book body through hook-and-loop fasteners, and shifting sense intercommunication is generated between various feelings and vision through the touch module and the olfaction module, so that things can be deeply known from multiple angles, and the visual impaired children can conveniently read the braille learning book. The visual impaired children can perceive colors in a more vivid and multi-dimensional mode, the feeling of the colors is deepened, description of the colors is more understood, and a certain foundation is laid for spoken language application and writing in the future.

This invention discloses a guide device and system that converts image signals into vibration signals, relating to the field of assistive technology for the blind. Its key technical points are: the device and system of this invention convert environmental semantic information into perceptible tactile signals, assisting blind people to more comprehensively understand the location of obstacles, road surface properties, and traffic conditions, while simultaneously avoiding dangers on the road. This invention solves the technical problems of low safety and low user acceptance of existing invasive guide devices, as well as poor real-time information transmission in existing guide devices. Furthermore, the printed circuit board assembly of this invention can be flexibly embedded in portable miniature devices, providing blind users with a more natural and convenient guide device.

The invention relates to the technical field of voice navigation, in particular to a path planning method and device and computer equipment. The invention provides a method. The method comprises the steps of obtaining a memory point set; acquiring the current position of the user as an initial position; acquiring a destination position of the user as a final position; according to the memory point set, the initial position and the final position, executing the multi-target path optimization algorithm to generate a travel planning path, so that the total length of the travel planning path is minimized on the premise that the travel planning path contains a preset number of memory points; and outputting a multi-target path optimization algorithm to output an optimal travel planning path, so that the user with visual impairment can obtain position confirmation through the passing memory points based on the existing sense organ of the user when walking along the path. The invention provides a path planning method and device and computer equipment, which can be more suitable for users with visual impairment.

The invention relates to an intelligent obstacle avoidance walking stick system based on multi-sensor fusion and lightweight AI. The intelligent obstacle avoidance walking stick system is used for solving the problems that an existing intelligent walking stick is single in environment perception dimension, tumble detection accuracy and real-time performance are difficult to balance, and indoor and outdoor navigation scenes cannot be seamlessly switched. According to the system, through multi-sensor deep fusion and lightweight algorithm design, an intelligent obstacle avoidance walking stick system which is high in robustness, low in power consumption and capable of self-adapting to the environment is constructed, the system can run on an embedded processor of a walking stick, and traveling safety of visually impaired and old users is facilitated.

System (100) for wearable smart glasses that provides improved visual support to visually impaired users, wherein the system (100) comprises: a frame (102) wherein the frame (102) is configured to accommodate electronic components; an image acquisition unit (104), wherein the image acquisition unit (104) is designed to be able to capture visual data in real time under low light conditions and daylight; a processing unit (106) wherein the processing unit (106) is functionally coupled to the image acquisition unit and is configured to execute deep learning models for image enhancement, object detection, extraction of prominent objects and text recognition; an augmented reality module (108) coupled to a processor, wherein the augmented reality module (108) is configured to overlay context-related digital information onto the user's field of vision; an IoT communication interface (110), wherein the IoT communication interface (110) enables real-time connectivity with external devices and cloud services; and an output interface (112), wherein the output interface (112) comprises audio feedback, haptic feedback or a tactile display designed to transmit detected information to the user.

The application provides a blind person discrimination device, system and method based on a distributed optical fiber sensing device.The device comprises an optical time domain reflectometer module, a signal preprocessing module, a signal cutting module, a signal feature extraction module and a signal classification module.The method provides a high recognition rate without video monitoring equipment and wearable sensing equipment, more comprehensively and effectively provides application support for the field of security and blind person travel, enhances the adaptability for different human body recognition, and identifies the source of the human body walking signal accepted by the current device, whether it is a visually impaired user or a normal user, so as to provide related services for the visually impaired user in the future.The long-time and short-time feature joint recognition mode is adopted in the feature extraction algorithm, and the accuracy is further improved.

A supporting case for use with a smart device such as a smart phone to assist a visually impaired individual. The case has a lower surface for positioning over a viewing surface containing material to be viewed by the individual and a pocket configured and dimensioned to receive and support the smart device. The case includes one or both of a lifting system for lifting and holding the case hands-free at a pre-set distance above the material to be viewed and a distance viewing system to view material not underneath the case.

The invention discloses a scenarized agent navigation and environment understanding method for vision-limited people, and the method comprises the steps: multi-modal data collection, preprocessing and spatial prior construction, multi-modal data unified coding input, scene agent matching activation, multi-role AI instantiation and parallel execution, and dual-mode output. The method has the advantage of being capable of improving travel independence and life convenience of people with limited eyesight.

The invention discloses a visual impaired student indoor navigation method based on real-time positioning, and relates to the technical field of indoor positioning and navigation. Comprising the following steps: collecting and processing point cloud and image data of all scenes in a region, generating a dense point cloud map, adding labels to key nodes, aligning different positioning technology coordinate systems, and constructing a global coordinate system; a positioning device worn by the visually impaired student collects data in real time and sends the data to the edge calculation node, fusion calculation is executed after preprocessing, and pose data is output; the technical key points are as follows: a framework integrating multiple positioning technologies, dynamically planning routes, multiple interaction modes and performing optimization is adopted, so that the comprehensive problems of low efficiency, high cost, poor dynamic adaptation, insufficient adaptability and the like of the existing scheme are solved, and a safe navigation mode with low positioning error, relatively low deployment cost and high obstacle avoidance accuracy is realized; the system has the basis of popularization and application in multiple scenes such as campus classrooms, laboratories, libraries and the like, and has a good use prospect.

Systems operable for monitoring a user’s operations are disclosed. The system includes a workstation and a sensor operable to obtain data from the workstation. The data is related to the user’s operation of the workstation. The system further includes a computer system in electronic communication with the sensor. The computer system is operable to receive the data from the sensor, process the data, and provide feedback to the user related to the user’s operation of the system. Methods of monitoring a user’s operation of a system are also disclosed. The method includes utilizing a sensor to obtain data and feeding the data to a computer system. The computer system processes the data and provides feedback to the user related to the user’s operation of the system.

1. The name of the design product: medical treatment guide device for the visually impaired. 2. The use of the design product: device for internal positioning, navigation and obstacle avoidance in hospitals to assist the visually impaired in medical treatment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: top view. 5. Other circumstances that need to be explained: the A part in the perspective view is made of transparent material.

The invention relates to the technical field of energy storage, and particularly discloses a power bank for users with visual impairment and an electric quantity prompting method thereof.The power bank comprises a power bank body, and a first braille display module is arranged on the power bank body; the first braille display module comprises a plurality of salient point units which can be independently controlled to protrude and retract, and the first braille display module is used for representing the electric quantity interval through the protruding combination of the plurality of salient point units. The first braille display module is not influenced by light and environmental noise, and no matter in a dark environment, a noisy scene or a quiet place, a user with visual impairment can quickly perceive the number of bumps through fingertip touch so as to judge the electric quantity interval, so that barrier-free use experience of touching at any time and knowing immediately is realized.

1. The name of the design product: head-mounted smart visual auxiliary glasses. 2. The use of the design product: for providing environmental perception and travel navigation for the severely visually impaired, realizing obstacle avoidance, text reading and other functions. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

An object of a system according to an embodiment is to provide information for a visually impaired person to be safely guided to a destination.SOLUTION: A system includes a reception unit, a calculation unit, a transmission unit, a generation unit, and a collection unit. The reception unit receives an input of a destination. The calculation unit specifies a current location based on the information received by the reception unit and calculates a route. The transmission unit transmits the route information calculated by the calculation unit. The generation unit generates a sound based on the route information transmitted by the transmission unit. The collection unit collects surrounding environment information and traffic information.SELECTED DRAWING: Figure 1

1. Name of the designed product: Braille display. 2. Use of the designed product: Electronic mechanical equipment for outputting in Braille for visually impaired users to read Braille. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The application relates to the technical field of blind guiding robot interactive navigation, and particularly discloses a blind guiding robot interactive navigation system combining vision, inertial navigation and voice, wherein the blind guiding robot interactive navigation system synchronously acquires environment vision, motion and sound data through a multi-modal perception data acquisition module, analyzes the data through a context-user joint state feature extraction module, combines a user potential intention deduction module, predicts the user intention, generates an adaptive guiding strategy, adjusts a navigation path according to the strategy through an adaptive guiding path optimization module, ensures safety and efficiency, and finally provides voice and tactile feedback through a situational multi-modal interactive instruction output module, thereby enhancing the interactive experience and navigation autonomy. The application solves the travel problem of the visually impaired in a complex environment, improves the individualization, situational perception ability and safety of blind guiding, and brings more natural and efficient navigation assistance to the visually impaired.

The invention provides a payment method and device based on biological characteristics, equipment, a medium and a program product, and can relate to the technical field of mobile payment, and the method comprises the steps that a first terminal determines that a target object corresponding to a second terminal is a visual impairment object; if the target object does not reach the payment range of the first terminal, the first terminal generates first guide information based on the strength of a short-distance communication signal between the first terminal and the second terminal and the direction information of the second terminal; wherein the first guiding information is used for guiding the target object to approach the first terminal; pushing the first guide information; and if the target object reaches the payment range of the first terminal, the first terminal collects a biological feature image of the target object, and payment is carried out based on the biological feature image of the target object. Therefore, the payment experience feeling of the visually impaired object can be improved.

Methods for navigation assistance for vision-impaired individuals can include determining that an image captured by an imaging device contains an unknown object, and determining that the unknown object is not resolvable within a threshold period of time. The methods can further include performing an operation to reallocate computing resources among memory devices that are couplable to the imaging device in response to determining that the unknown object is not resolvable within the threshold period of time. Data corresponding to the unknown object can be written to the reallocated computing resources, and operations involving the data corresponding to the unknown object can be performed using the reallocated computing resources to resolve the unknown object.

We provide a system that allows visually impaired users to easily navigate web pages and access information. [Solution] The system consists of an editorial department that dynamically edits the HTML of a web page, a support department that adapts the edited HTML to the web standard WAI-ARIA, a navigation department that provides keyboard navigation based on the adapted HTML, an alternative text generation department that generates alternative text for images based on the navigation, a labeling department that adds labels to form fields based on the alternative text, a filter department that provides a filter function to accommodate color blindness based on the labels, and a summarization department that summarizes the content based on the filter function.

This invention discloses an offline navigation method and system based on plain text and local AI. The method parses the user-input text start and end point information using a local offline AI model, combines it with a pre-stored local text-based geographic knowledge base to perform path reasoning, and generates plain text walking steps. The system does not rely on GPS, BeiDou, or other satellite positioning signals or external networks; all calculations and data storage are completed locally on the terminal, and it can generate simulated GPS coordinates and visually assisted navigation. This invention is applicable to scenarios such as signal-free spaces, indoor environments, and visually impaired assistance, and features high privacy, strong stability, and a wide range of applications.

The application belongs to the field of intelligent teaching, and particularly relates to an English oral pronunciation correction system based on artificial intelligence, which comprises a multi-modal perception module, a deep pronunciation feature extraction module, a cognitive compensation fusion module and an intelligent correction and training planning module; the abstract pronunciation is converted into a tactile experience through a multi-modal learning process, the tactile information and the auditory information are synchronously input, the memory retention rate of the visually impaired students is improved, and the students are guided to deeply remember the acoustic characteristics of the pronunciation; the application simulates the auditory-tactile joint representation ability of the visually impaired brain through the learnable attention weight and the cognitive compensation prior mask, realizes the real sense of "touch instead of vision", simultaneously identifies the error reasons through multi-task learning, provides scientific basis for targeted training, designs a special tactile generation network, maps the acoustic characteristics and the pronunciation error types into tactile patterns, provides instant tactile correction feedback for the students, and forms a closed-loop multi-modal learning experience.