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226 results about "Visually impaired" patented technology

Voice broadcasting method and device for visually impaired passengers and storage medium

The invention discloses a voice broadcasting method and device for visually impaired passengers and a storage medium, and relates to the technical field of vehicle-mounted voice broadcasting. The scheme comprises the steps of obtaining environment data of an environment where a target vehicle is located; and generating voice broadcast information according to the environment data by using a large language model so as to introduce the environment of the target vehicle to visually impaired passengers taking the target vehicle. Therefore, the environment data is integrated into the voice broadcast information, so that the visually impaired passenger can know the riding environment based on the voice broadcast content, the visual information gap is filled, the travel control feeling is effectively improved, the unstable emotion caused by information loss is relieved, and the riding experience of the visually impaired passenger is remarkably improved.
Owner:CHENGDU GREAT WALL MOTOR R&D CO LTD

Information acquisition system and method suitable for visually impaired people

The invention discloses an information acquisition system and method suitable for visually impaired people. The system comprises a hardware layer, a driving layer, an operating system layer, a middleware layer and an application layer which are sequentially in communication connection through interfaces. The application layer comprises a voice interaction module, a large model integration module and a braille conversion module; the hardware layer is used for collecting a voice input instruction and outputting a braille character sequence and a voice output result; the voice interaction module is used for converting a voice input instruction into a text input instruction and converting a text output result into a voice output result; the large model integration module is used for analyzing the text input instruction and generating a text output result; and the braille conversion module is used for converting the text output result into a braille character sequence, so that a hardware layer outputs the braille character sequence based on a timestamp alignment technology. Therefore, based on powerful semantic understanding and information retrieval of the large model integration module, accurate information acquisition is realized, and a five-layer decoupling architecture is adopted, so that the convenience of later system maintenance is improved.
Owner:ZHEJIANG LAB

Real-time collaborative cross-scene visual assistance and environment perception system for visually impaired people based on head-mounted equipment

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.
Owner:NANJING TECHN COLLEGE OF SPECIAL EDUCATION

Chinese shadow puppet visual impaired person teaching guidance system and enlightenment method based on big data

The invention belongs to the technical field of education, and discloses a Chinese shadow puppet visual impaired person teaching guidance system and enlightenment method based on big data, a multi-modal data acquisition module assists the visual impaired person to establish spatial cognition by means of a sensor and three-dimensional modeling; the personalized teaching scheme generation module analyzes and customizes a teaching path according to the data and guides thinking; the real-time feedback module is combined with multiple technologies to timely correct operation; the culture knowledge base module integrates resources and constructs a shared community; the dynamic evaluation module generates a multi-dimensional report, supports family-school cooperation, assists the visually impaired person in learning shadow puppet art in an all-around manner, and constructs a personalized learning portrait through multi-modal data acquisition and intelligent analysis by applying technologies such as a sensor and voice interaction; implementing a dynamic self-adaptive personalized teaching strategy, customizing a teaching scheme according to portraits, pushing targeted tasks and generating interaction questions; multi-dimensional dynamic evaluation and collaborative optimization are carried out, an evaluation system is constructed for comparative analysis, a visual report is generated, and all parties collaboratively adjust the plan.
Owner:GANSU MASTIFF CULTURE MEDIA CO LTD

Heterogeneous multi-agent collaborative full-scene continuous service system

The invention relates to the field of intelligent aided navigation, in particular to a heterogeneous multi-agent collaborative full-scene continuous service system based on semantic comprehension, which realizes seamless navigation experience of visually impaired people among different scenes such as outdoor road sections, public facility internal channels and narrow spaces through a task division and handover mechanism driven by semantic comprehension. The semantic understanding module is used for constructing a semantic topological space and identifying a scene type and a user intention; the task division decision module optimizes a multi-agent cooperation structure based on a spectrogram theory; the task handover control module predicts scene switching opportunity and achieves smooth transition between intelligent agents, the system integrates a seeing-eye dog service intelligent agent, an unmanned aerial vehicle service intelligent agent, an intelligent walking stick service intelligent agent, a wearable equipment service intelligent agent and an environment fixing facility intelligent agent, and the most suitable intelligent agent combination is automatically selected according to different scenes. And an omnibearing, continuous and intelligent navigation service is provided.
Owner:GUANGDONG UNIV OF PETROCHEMICAL TECH

Ophthalmology AI intelligent ward control system and method based on voice interaction

The invention discloses an ophthalmology AI intelligent ward control system and method based on voice interaction. The system comprises an anti-noise voice acquisition unit, a multi-modal identity verification unit, a specialized semantic analysis unit, a medical rule engine unit, a safety protection unit, a multi-modal feedback unit and a dynamic optimization unit. Medical equipment noise is filtered out through a microphone array and an adaptive beam forming technology, and an instruction is analyzed in combination with a dialect recognition engine; executing triple identity verification, and performing forced superposition authentication on the cognitive impairment patient; calling an ophthalmology knowledge base to identify the risk keyword and generate a structured instruction; dynamically regulating and controlling the environment according to the eye disease type, and intercepting violation settlement according to a medical insurance rule; precise equipment voice control is forbidden, and when an emergency keyword is triggered, an OCT image is pushed preferentially and is directly connected with a physician; a big-character highlight interface and tactile pulse feedback are provided for the visually impaired patient, and data are synchronized to the HIS system in real time; and the dynamic optimization unit continuously updates the knowledge base and the medical insurance model. According to the invention, the instruction identification precision, the medical safety and the service suitability of the ophthalmology ward are obviously improved.
Owner:NANCHANG AIER EYE HOSPITAL CO LTD

Anti-counterfeiting traceability system and method based on Braille dot matrix codes

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.
Owner:GUANGZHOU LIFE CODE TECH CO LTD

Automatic injection pen

PendingCN121221882AInfusion syringesIntravenous devicesVisually impairedVision dysfunction
The invention discloses an automatic injection pen which comprises a pen container shell with the open front end, a pre-filling syringe is arranged in the pen container shell, a medicine pushing rod and a locking mechanism are arranged in the pen container shell, and an unlocking structure is further connected to the pen container shell in a sliding mode. The pen container shell is further provided with a first elastic element which pushes the medicine pushing rod to collide with a piston of the pre-filled syringe after the locking mechanism is unlocked so as to make a first prompt sound and enable the pre-filled syringe to conduct injection. And a prompting piece is arranged between the medicine pushing rod and the pen container shell, wherein the prompting piece is locked when the medicine pushing rod is in the initial state, and the prompting piece is unlocked when the injection of the pre-filled syringe is finished after the medicine pushing rod advances by a second preset distance, so that the prompting piece collides with the pen container shell to give out a second prompting sound. The product can respectively generate clear and distinguishable sounds at two key nodes of injection starting and injection completion, so that a user can accurately judge the injection process without depending on vision, the product is suitable for visual impairment people or operation in an emergency scene, and the medication safety and psychological safety are improved.
Owner:ZHONGSHAN HUIFENG MEDICAL PACKAGING TECH CO LTD

Self-adaptive perception prompting system and method for visual impairment assistance

The invention relates to the technical field of visual impaired people assistance, in particular to a self-adaptive perception prompting system and method for visual impaired people assistance, and the method comprises the following steps: obtaining environment data around a user; the target information is recognized and transmitted to the user through the wearable somatosensory feedback module in a skin stimulation mode, so that the user can perceive surrounding objects and directions thereof through skin stimulation, and then obstacle avoidance can be achieved. Furthermore, an active exploration self-adaptive auxiliary module is introduced, an action track of a user is collected and analyzed to be compared with an environment model, an omission area or space deviation in perception is recognized, and a reinforcing prompt is triggered, so that the user is guided to complete more comprehensive environment exploration and space construction. Limitations of a traditional blind guiding stick and a traditional blind guiding dog are avoided, and higher-precision space perception and navigation assistance can be obtained only by wearing the somatosensory feedback module.
Owner:陈昕阳 +2

Braille Touch Trainer

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.
Owner:周皓洋

Game machine

To provide a game machine capable of increasing working efficiency in a manufacturing process of the game machine by a worker having a visual handicap.SOLUTION: In a Pachinko machine equipped with a game board having a flow-down area in which game balls can flow down, a recessed and projecting notation section 2111 indicated in a recessed and projecting shape is provided in a predetermined position of a middle flow path section 2102 provided in the game board as a flow path of game balls, character information by the recessed and projecting notation section 2111 is provided such that it can be touched by finger tips, the middle flow path section 2102 is mounted to a ball route unit 2100A provided in a predetermined position within the game board, and the recessed and projecting notation section 2111 cannot be visually recognized easily from the outside than when it is visually recognized directly when it is correctly mounted to the ball route unit 2100A, and the recessed and projecting notation section 2111 is visually recognized easily from the outside when it is mounted wrongly than when it is correctly mounted to the ball route unit 2100A.SELECTED DRAWING: Figure 160
Owner:DAIICHI SHOKAI KK

Smart glasses

1. The name of the design product: smart glasses. 2. The use of the design product: for the wearer to perceive multimedia information, and can be used for navigation by visually impaired people. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.
Owner:吴思源

A dynamic obstacle avoidance method for assisting the blind

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.
Owner:BEIJING UNIV OF CHEM TECH

Braille dot display module

1. Name of the product in this design: Braille dot display module. 2. Purpose of this design: Electromechanical assistive device for visually impaired individuals. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Owner:FUZHOU XINLIN INTELLIGENT TECH CO LTD

A portable medicine box suitable for visually impaired people

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.
Owner:YANGZHOU TOWIN GREEN TECH CO CO LTD

Assistive belt for the visually impaired (multi-functional sensor type)

1. Name of the product in this design: Assistive Waist Belt for the Blind (Multifunctional Sensor Type). 2. Purpose of this design: For use as a belt for the blind. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.
Owner:山西工程科技职业大学

Auxiliary device for visually impaired people to perceive colors in multiple dimensions

ActiveCN224206980UUnderstand the multidimensionality of imagesEye treatmentVisually impairedSmell Perception
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.
Owner:谢蓓妮 +1

Game machine

To provide a game machine capable of increasing working efficiency in a manufacturing process of the game machine by a worker having a visual handicap.SOLUTION: In a Pachinko machine equipped with a game board having a flow-down area in which game balls can flow down, a recessed and projecting notation section 2111 indicated in a recessed and projecting shape is provided in a predetermined position of a middle flow path section 2102 provided in the game board as a flow path of game balls, character information by the recessed and projecting notation section 2111 is provided such that it can be touched by finger tips, the middle flow path section 2102 is mounted to a ball route unit 2100A provided in a predetermined position within the game board, and the recessed and projecting notation section 2111 cannot be visually recognized easily from the outside than when it is visually recognized directly when it is correctly mounted to the ball route unit 2100A, and the recessed and projecting notation section 2111 is visually recognized easily from the outside when it is mounted wrongly than when it is correctly mounted to the ball route unit 2100A.SELECTED DRAWING: Figure 160
Owner:DAIICHI SHOKAI KK

A guide device and system for the visually impaired that converts image signals into vibration signals.

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.
Owner:HUNAN FIRST NORMAL UNIV

Path planning method and device and computer equipment

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.
Owner:GUANGDONG UNIV OF SCI & TECH

Intelligent obstacle avoidance walking stick system based on multi-sensor fusion and lightweight AI

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.
Owner:BEIJING JIAOTONG UNIV

Smart glasses with tactile feedback system

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.
Owner:DR VISHWANATH KARAD MIT WORLD PEACE UNIV PUNE

Blind person discrimination device, system and method based on distributed fiber sensing equipment

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.
Owner:HARBIN INST OF TECH

Game machine

To provide a game machine capable of increasing working efficiency in a manufacturing process of the game machine by a worker having a visual handicap.SOLUTION: In a Pachinko machine equipped with a game board having a flow-down area in which game balls can flow down, a recessed and projecting notation section 2111 indicated in a recessed and projecting shape is provided in a predetermined position of a middle flow path section 2102 provided in the game board as a flow path of game balls, character information by the recessed and projecting notation section 2111 is provided such that it can be touched by finger tips, the middle flow path section 2102 is mounted to a ball route unit 2100A provided in a predetermined position within the game board, and the recessed and projecting notation section 2111 cannot be visually recognized easily from the outside than when it is visually recognized directly when it is correctly mounted to the ball route unit 2100A, and the recessed and projecting notation section 2111 is visually recognized easily from the outside when it is mounted wrongly than when it is correctly mounted to the ball route unit 2100A.SELECTED DRAWING: Figure 160
Owner:DAIICHI SHOKAI KK

Navigation method, navigation device, and computer readable storage medium

The present application belongs to the field of navigation technology, and relates to a navigation method, a navigation device and a computer readable storage medium. The navigation method comprises the following steps: obtaining user information, the user information comprising biological species information, position information and movement information; matching corresponding navigation prompt information according to the user information; and outputting the navigation prompt information. Therefore, the present application can generate navigation information and output the navigation information correspondingly according to the differences between the visually impaired and the guide dogs, so that the visually impaired and the guide dogs can both receive the navigation information, the visually impaired can be guided not only by the navigation method itself but also by the guide dogs when going out, and the visually impaired can go out more safely and conveniently, the risk and danger of accidents are reduced, the independence of the visually impaired when going out is increased, and the personal safety and health of the visually impaired are ensured.
Owner:PATEO CONNECT (DALIAN) CO LTD

Menu list update method and electronic device

A menu list update method is provided. In the method, for an updated menu list, when an electronic device displays the menu list, a newly added menu in the menu list is always displayed after a focus menu. The technical solution provided in this application is implemented, so that the electronic device can quickly traverse the menu list. In this way, a visually impaired user can quickly find an expected menu. This improves user experience of the visually impaired user on the electronic device.
Owner:HUAWEI TECH CO LTD

Devices for magnification of objects to assist people with low vision

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.
Owner:CASE FOR VISION LLC