113 results about "Visually Impaired Persons" patented technology

The invention 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, which is characterized in that environmental vision, movement and voice data are synchronously acquired through a multi-modal perception data acquisition module, and are analyzed through a situation-user joint state feature extraction module; a user potential intention deduction module is combined to predict a user intention and generate a self-adaptive guide strategy; a self-adaptive guiding path optimization module adjusts a navigation path according to a strategy to ensure safety and high efficiency; finally, the situational multi-mode interaction instruction output module provides voice and tactile feedback, and interaction experience and navigation autonomy are enhanced. According to the method, the travel problem of the visually impaired person in a complex environment is solved, the individuation, context perception capability and safety of blind guiding are improved, and more natural and efficient navigation assistance is brought to the visually impaired person.

The invention provides an intelligent tactile stick interaction method and system based on multi-modal perception and edge calculation, and relates to the technical field of intelligent auxiliary equipment. The method comprises the following steps: acquiring environment and position data through a camera, a GPS and an inertial measurement unit; performing multi-modal data fusion and deep learning identification by using an edge calculation module to generate a dynamic environment map; performing real-time path planning and obstacle avoidance based on a map and a destination; analyzing a user instruction through voice recognition and interactively adjusting a path; haptic and auditory bimodal feedback is provided through a vibration module and a voice synthesis module according to a navigation result; and when an emergency obstacle is detected or a user actively alarms, a local and remote alarm mechanism is triggered. The system correspondingly comprises an intelligent tactile stick terminal and a cloud server. According to the invention, accurate and real-time perception and intelligent navigation of the environment are realized, visual and natural interaction experience is provided, an effective emergency help channel is established, and the safety, independence and convenience of travel of visually impaired people are significantly improved.

The invention provides an information processing system. The information processing system comprises an image acquisition device used for acquiring front image data; the analysis server device is used for analyzing the collected image data; the voice output device is used for carrying out voice prompt on visually impaired people according to the analyzed image data; and the display device is used for performing augmented reality display according to the analyzed image data.

An object of the system according to the embodiment is to enable a hearing-impaired person to perform a carrying procedure without sign language or assistance.SOLUTION: A system according to an embodiment includes a generation AI and an explanation unit. The generation AI generates contract contents. The explanation unit explains the contract content generated by the generation AI by voice in cooperation with the transcription application. The explanation part explains by characters for the hearing-impaired person and explains by voice for the visually impaired person.SELECTED DRAWING: Figure 1

The utility model belongs to the technical field of Bluetooth equipment, and discloses blind person traffic signal prompting equipment based on low-power RSSI Bluetooth, which is used for being matched with a Bluetooth terminal arranged on an intersection signal lamp to carry out signal receiving and transmitting and intersection passing prompting, and comprises a shell and a circuit board arranged in the shell, the circuit board is connected with a Bluetooth module, a loudspeaker module and a battery through pin welding; the front surface of the housing is provided with a horn mouth corresponding to the internal horn module, and the horn mouth is filled with waterproof sound transmission cotton. According to the utility model, the prompting device worn on the body of the visually impaired person can be identified at the intersection provided with the corresponding Bluetooth terminal, and after the visually impaired person wearing the prompting device is captured within a certain range through the low-power-consumption Bluetooth technology, information is pushed to guide pedestrians to cross the street. Compared with existing camera recognition auxiliary equipment, the camera recognition auxiliary equipment is low in cost, and compared with existing GPS auxiliary equipment, the camera recognition auxiliary equipment is high in accuracy.

A computer-implemented procedure comprises: (i) determining a user's current location using location data, (ii) determining, using location data, a user device's starting point based on the current location and a user device's destination based on user input, (iii) identifying, via a pedestrian route planner of a route planning application communicating with a navigation system, a pedestrian route between the starting point and the destination, (iv) identifying, via the navigation system, waypoints between the starting point and the destination, (v) transmitting the pedestrian route to the user device, (vi) outputting, via the route planning application, i) a haptic feedback protocol and / or ii) an acoustic feedback protocol associated with the waypoints.are, (vii) receiving pedestrian route data from the user device, and (viii) processing the pedestrian route data to determine user behavior.

The utility model discloses an intelligent bracelet, which relates to the field of blind guiding, and is characterized in that an environment detection module is integrated in the intelligent bracelet, so that blind sidewalks and obstacles in a preset range can be identified; a main control chip integrated in the intelligent bracelet can control a prompt module to give out corresponding prompts according to the blind sidewalk and the obstacles recognized by an environment monitoring module, so that a wearer can walk on the blind sidewalk according to the prompts and safely avoid the obstacles, and in addition, compared with a blind guiding stick, the intelligent bracelet provided by the scheme is lighter, easier to carry and more convenient to use. And secondly, compared with the purchasing of a seeing-eye dog, the use of the intelligent bracelet is lower in cost, easy to obtain, simple to maintain, less in use limitation, free from the influence of factors such as territory and environment, and richer in functionality. And the braille button is arranged at the power switch of the intelligent bracelet, so that the intelligent bracelet is more convenient for the old and visually impaired people to use.

Input system (1) for inputting a code comprising a string containing at least numbers, wherein the input system (1) comprises: - a touch panel (2) configured to generate a contact detection signal (20) in response to the detection of a touch input gesture performed by a user (U) on the touch panel (2), wherein the contact detection signal (20) is an indicator of contact of one or more fingers (10) on the touch panel (2) during the touch input gesture; - a processing unit (3) configured to detect the contact detection signal (20) generated by the touch panel (2) and to select a single character depending on the contact detection signal (20) corresponding to the detected touch input gesture;wherein the input system (1) is characterized in that the processing unit (3) is configured to operate in an input mode to select numbers from a first string of characters comprising all or some of the numbers “0” to “9” by performing the following steps: - Determining that the touch input gesture is performed in the form of a main swipe movement (4) corresponding to the swipe movement of at least one finger (10) on the touch field (2) from a main starting point (41) to a main end point (42), where the main swipe movement (4) is interrupted by retracting the at least one finger (10), depending on the contact detection signal (20); - Determining a swipe movement vector (40) of the main swipe movement (4) depending on the contact detection signal (20);- Selecting a number from the first row of characters depending on the swipe movement vector (40) of the main swipe movement (4) independently of the main starting point (41) on the touch field (2).;

Tactile floor guidance system for persons with impaired vision, comprising an arrangement of guidance elements (100) laid on a floor with a tactilely perceptible surface structure (120), wherein the arrangement extends along a predefinable path to guide persons along this path, and wherein the arrangement of guidance elements (100) includes at least one curved guidance element (300) in addition to straight guidance elements (200).

The invention discloses a control method, device and equipment for a visually impaired person friendly scrubber and a medium, the control method for the visually impaired person friendly scrubber comprises the steps of collecting an environment image through a visual module of the scrubber, constructing a space model containing obstacle state information by utilizing cloud artificial intelligence, and planning a cleaning path according to the space model; a user is actively pulled to move through the driving module, and guiding type cleaning is achieved. In the cleaning process, the system continuously monitors environment images and dynamically compares obstacle state changes, once abnormity is detected, the system uploads an image of a change area to a cloud end for accurate type recognition, and a recognition result is fed back to a user in a multi-sense-organ mode such as voice and vibration. According to the method, a user with visual impairment can independently and safely operate the scrubber through non-visual perception, the problem that in the prior art, adaptability is poor is solved, and barrier-free use experience and safety of products are improved.

A guide dog robot for visually impaired persons is provided. The guide dog robot includes a harness unit configured to grip a visually impaired person, a spring damper unit connected to the harness unit and configured to move in an axial direction, based on an external force acting between the visually impaired person and the guide dog robot, and a body part configured to perform movement based on a movement intention of the visually impaired person and a moving motion of the guide dog robot, the body part including an upper surface with the spring damper unit mounted thereon. Each of the harness unit, the spring damper unit, and the body part comprises an inertia measurement unit (IMU), and the IMU measures a position and a speed at a position at which the IMU is equipped.

A drug administration management method according to one embodiment disclosed herein may comprise the steps of: receiving identification information of a first drug from a pharmacist terminal; transmitting permission information corresponding to the identification information of the first drug to the pharmacist terminal; receiving customized medication guidance, in which the permission information is personalized according to patient profile information of a patient, from the pharmacist terminal, and storing the customized medication guidance in a patient information database; receiving identification information of a drug from a patient terminal and searching for the identification information of the drug in an internal database; and generating a customized administration schedule for the patient according to administration schedule information of the first drug included in the customized medication guidance if the searched identification information of the drug is the identification information of the first drug.

The utility model provides a crossing auxiliary device for visually impaired people, which relates to the technical field of traffic auxiliary devices and comprises a shell, a camera, an auxiliary monitoring sensor, a voice broadcast module and a trigger switch are arranged on the shell, and a power supply and a control mainboard are arranged in the shell. The camera, the auxiliary monitoring sensor, the voice broadcast module and the trigger switch are respectively in signal connection with the control mainboard, the power supply is used for supplying power to the camera, the voice broadcast module and the control mainboard, the camera is used for shooting intersection traffic light images, and the auxiliary monitoring sensor is used for monitoring pedestrian crossing traffic flow. According to the utility model, through combination of traffic light state identification and traffic flow detection, street-crossing auxiliary guidance is provided for visually impaired people, so that the safety risk of street crossing of the visually impaired people is further reduced.

The invention discloses a visual impaired people barrier-free travel multi-source perception aid decision-making method and system, and belongs to the technical field of barrier-free travel. The system comprises an intelligent wearable device end and a public carrier end. The wearable device end adopts a visual SLAM and UWB-IMU tight coupling algorithm to realize hybrid positioning; and the public carrier end generates a high-precision local point cloud by adopting LiDAR-SLAM, and broadcasts the high-precision local point cloud to the outside after carrying out lightweight processing on the high-precision local point cloud. And when the user approaches, the wearable device end receives and matches the point cloud, and calculates the accurate relative pose with the vehicle door of the carrier. And finally, the system generates a three-dimensional audio signal with clear spatial directivity by using a head-related transfer function model based on the pose, so as to realize visual guidance for the user. According to the invention, through human-vehicle cooperative sensing and positioning, full-scene seamless navigation and centimeter-level accurate docking are realized, and through visual spatial audio guidance, the travel safety and convenience of visually impaired people are significantly improved.

An electronic price information and / or product information display device, abbreviated as display device, configured to visually reproduce product price information and / or product information and configured to store reproduction data representative of price information and / or product information, the display device comprising a first near-field communication device, in particular a first Near-Field-Communication device, abbreviated as NFC device, configured in particular for short-range contactless communication with a reproduction device having NFC functionality, the reproduction data comprising display reproduction data defined for visual reproduction of the price information and / or product information by the electronic price information and / or product information display device itself and output reproduction data provided in particular as reproduction data in audio and / or text format for output to the reproduction device by means of short-range contactless communication and enabling acoustic reproduction of the price information and / or product information by the reproduction device therein, the short-range communication device being configured to access the output reproduction data and to output the output reproduction data in the course of the short-range contactless communication.

To provide ticket paper which enables a visually handicapped person to easily discriminate the front and rear and can be used without anxiety.SOLUTION: In the ticket paper 1 in which a perforated line 11 not intended for cutting is provided on a paper base material 2 on which an optical code 4 is printed on the surface, a plurality of incision line parts penetrating the paper base material 2 are intermittently formed on the perforated line 11, and a tactile sense fine projecting part projecting only to the rear side of the paper base material 2 and generating a tactile sense different from that of the peripheral rear surface is formed on the incision line part of the perforated line 11. According to such a constitution, a visually handicapped person can touch and feel the tactile fine projection part of the perforation 11 and can easily and stably discriminate the front and back by the tactile feeling.SELECTED DRAWING: Figure 1

The system according to the embodiment aims to enable a visually impaired person to grasp the environment of their current location in a timely manner. [Solution] A system according to an embodiment includes an image acquisition unit, a position acquisition unit, an analysis unit, and a feedback unit. The image acquisition unit acquires image information. The position acquisition unit acquires position information. The analysis unit analyzes the information acquired by the image acquisition unit and the position acquisition unit. The feedback unit provides audio feedback of the information analyzed by the analysis unit.

1. Name of the product in this design: Multifunctional Assistive Touch Display for Visually Impaired Persons. 2. Purpose of this design: A tool to assist visually impaired people. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

AI BASED WALKING STICK FOR VISUALLY IMPAIRED PEOPLE

The system according to this embodiment aims to enable visually impaired individuals to reflect on past events in a more enriching way. [Solution] The system according to this embodiment comprises a reception unit, an analysis unit, a provision unit, a storage unit, and a search unit. The reception unit receives inquiries from visually impaired persons. The analysis unit analyzes the camera footage based on the inquiries received by the reception unit. The provision unit provides the information analyzed by the analysis unit in audio format. The storage unit stores the information provided by the provision unit in a database. The search unit searches the information stored in the storage unit and provides it to visually impaired persons.

The invention relates to a safe navigation method and device for visually impaired people, equipment and a medium. The method comprises the following steps: acquiring absolute position coordinates of a user based on a diversified positioning system; acquiring local obstacle information around the user in real time; based on the local obstacle information and the absolute position coordinates, a safe path is generated through a path planning algorithm; generating a navigation state decision through a rule engine in combination with the real-time traffic flow data and the environmental condition data; based on the navigation state decision, a control instruction is generated, and the control instruction is used for instructing the tactile feedback device to drive the microneedle array to ascend and descend, so that a non-visual navigation prompt is obtained. By adopting the method, the positioning reliability, the path safety and the interaction intuition can be remarkably improved, the core problems of weak environmental perception, decision delay, unfriendly interaction and the like in the travel of visually impaired people are effectively solved, and the independent travel capability and the sense of security of users are enhanced.

A method and system of performing an authentication of an identity of a person with visual impairments. The system and method are configured to cause a wearable secondary computing device worn by a guide dog accompanying the person to generate a verification signal. This verification signal can be evaluated to determine whether the verification signal is authentic and / or includes an expected biometric data feature. If the verification signal is deemed to be authentic, the system can verify an identity of the person, and can further be configured to automatically grant the person access to one or more services, features, or information for which the person is authorized.

Intelligent walking stick for visually impaired and blind persons, comprising a sensor module for detecting obstacles, an electrical control and communication module for processing the sensor data, and a wireless haptic system, wherein the control and communication module transmits the captured information to a haptic output device via a Bluetooth Low Energy connection.

An object of the system according to the embodiment is to enable a visually impaired person to understand the detailed trend and explanation of a game in real time.SOLUTION: A system includes an analysis unit, a generation unit, a vocalization unit, a reception unit, and an answer generation unit. The analysis unit analyzes a trend of a game. The generation unit generates an explanation on the basis of a result analyzed by the analysis unit. The vocalization unit vocalizes the explanation generated by the generation unit. The reception unit receives a question from a user. The answer generation unit generates an answer to the question received by the reception unit.SELECTED DRAWING: Figure 1

The invention discloses a visual impaired person behavior ability assessment method and system, and relates to the technical field of visual rehabilitation, and the method comprises the steps: obtaining a dynamic behavior video of a visual impaired person; analyzing the dynamic behavior video by using a human body posture recognition library and a deep learning algorithm, and determining a head rotation direction and rotation times of the visually impaired person; and comparing and analyzing the head rotation direction and the rotation frequency of the visually impaired person with a pre-established standardized reference table, evaluating the actual use effect of the magnifying visual aid or the visual field expanding visual aid worn by the visually impaired person, and generating a personalized rehabilitation scheme according to the actual use effect. According to the method and the system provided by the invention, the visual behavior capability of a low-vision group is reflected more comprehensively and accurately by evaluating the head rotation frequency index of the visually impaired person in dynamic behaviors such as obstacle avoidance and search, so that powerful support is provided for formulating a personalized rehabilitation scheme.

An object of a system according to an embodiment is to provide means for a visually impaired person to obtain visual information in daily life.SOLUTION: A system according to an embodiment includes a camera, an analysis unit, and a sound output unit. The camera is mounted on the glasses. The analysis unit analyzes the video acquired by the camera. The voice output unit outputs the information analyzed by the analysis unit by voice.SELECTED DRAWING: Figure 1

The invention discloses an electronic guide system for assisting visually impaired people to go out, relates to the technical field of auxiliary equipment for disabled people, and aims to solve the problems that a traditional auxiliary means is incomplete in perception and inaccurate in guide. The system comprises a sensing layer, a processing and decision-making layer, a man-machine interaction layer and a power supply module, wherein the sensing layer acquires environment and motion data through a front / lower camera, an ultrasonic sensor array and an IMU (Inertial Measurement Unit); the processing and decision-making layer takes an ARM Cortex-A series SoC as a main processor, multi-source positioning data is fused to plan a barrier-free path, and a guide instruction is generated in combination with an AI recognition and obstacle avoidance algorithm; the man-machine interaction layer realizes bimodal interaction with a voice system through a vibration motor array; and the power supply module supplies power through dynamic adaptation of the BMS. The equipment can realize full-scene accurate perception and guidance, and ensures safe travel of visually impaired people.

An object of a system according to an embodiment is to enable a visually impaired person to efficiently acquire visual information.SOLUTION: A system according to an embodiment includes a sunglasses type apparatus, a camera, a generation AI, and a headphone. The sunglasses device captures visual information. The camera captures visual information. The production AI analyzes and verbalizes the visual information captured by the camera. The headphone reads the information verbalized by the generated AI as voice.SELECTED DRAWING: Figure 1

Embodiments herein describe using electronic shelf labels (ESLs) to help a customer find a particular item in a store. For example, a customer can load a retailer's application onto their mobile device and indicate to the application which items she would like to purchase. The retailer's application can instruct the ESL to perform a visual action to attract the customer's attention. This can include flashing a light on the ESL, or causing a portion of the display to change from off (white) to on (black). Once the ESL is identified, the customer can establish communication between the mobile device and the ESL so that the ESL can transmit display information that can be customized to the mobile device. The mobile device can then display the same (or similar) information as being displayed by the ESL, which can be used, e.g., for a visually impaired person.

[Problem] Provided is an ambient environment information transmission device capable of quickly and accurately transmitting ambient environment information to a visually impaired person. [Solution] An ambient environment information transmission device 1 includes a body 10 that is configured to be worn by a user, a distance image capturing unit 20 that is supported by the body 10 and that is configured to capture a distance image ahead of the user, a line-of-sight direction detection unit 22 that is supported by the body 10 and that is configured to detect a line-of-sight direction of the user, a control unit 40 that is configured to obtain distance information on a target portion in the line-of-sight direction in the distance image, and distance information output units 30, 32, 34 that are configured to output the distance information through sound or tactile sensation.