147 results about "Visual impairment" patented technology

Systems and methods are provided for assisting individuals with physical and / or cognitive ailments, such as dementia, Alzheimer's disease, and / or visual impairment. The quality of life, safety, and / or autonomy of such individuals can be enhanced by utilizing a combination of sensors, actuators, augmented reality (AR) technology, and machine learning (ML) algorithms. The sensors and actuators can include (but are not limited to) cameras, global positioning system (GPS) sensors, accelerometers, motion sensors, AR visual systems, headphones, microphones, haptic feedback systems, and / or connectivity capabilities (wired and / or wireless) to provide information about the surrounding environment and events. By leveraging advanced sensor technology, AR, and real-time data processing, a comprehensive support system can be provided that addresses the unique challenges faced by these individuals on a daily basis.

The invention provides an obstacle sensing and visual impairment guiding method, a head-mounted device and a storage medium, and the method comprises the steps: obtaining an RGB image collected by an RGB camera and a depth image collected by a depth camera in a current scene; predicting the RGB image by adopting a preset YOLOX model and predicting the depth image by adopting a preset SAM segmentation model to obtain the category, distance and position of each obstacle in the current scene; determining the speed of each obstacle by using a preset Kalman filtering estimation algorithm; performing obstacle danger coefficient evaluation according to the category, distance, position and speed of each obstacle to obtain an obstacle danger coefficient of each obstacle; and performing visual impairment guiding operation according to the obstacle danger coefficient. By applying the obstacle sensing and visual impairment guiding method, the danger coefficient of each obstacle can be evaluated, and the visual impairment guiding safety is improved.

The utility model belongs to the technical field of lamps, solves the problem that the glare phenomenon of an LED lamp strip in the prior art causes different degrees of damage to vision, and provides an anti-glare polarized light optical lamp strip and a lighting device. Comprising a dimming part, a light source, a shell and an anti-dazzle layer, the dimming part and the anti-dazzle layer are sequentially installed in an inner cavity of the shell in the height direction of the shell, the light source is installed in the dimming part, the anti-dazzle layer is located on the light emitting direction side of the dimming part, and the dimming part is fixed in the shell in an abutting and clamping mode. And the edge of the anti-dazzle layer is matched with the second clamping part, so that the anti-dazzle layer is clamped in the shell. According to the utility model, the anti-dazzle layer is arranged in the light emitting direction of the lamp strip shell, so that the dazzle influence of a light source on the environment is weakened; meanwhile, the dimming piece is directly arranged between the anti-dazzle layer and the light source, the light source is subjected to secondary optical adjustment by combining the small angle of the light source with the light transmitting piece in a specific shape, various small-angle polarization control is achieved, and the small angle of the light source is achieved.

The invention provides an intelligent hospital guide system and method based on AR vision and voice navigation. The intelligent hospital guide system comprises a user interaction layer, a technical support layer, a data and background layer, a third-party service layer and a hardware dependence layer. According to the intelligent hospital guide system based on AR vision and voice navigation, accurate navigation is achieved, a barrier-free road is guided, through the advanced AR vision navigation technology, the APP provides an accurate and errorless navigation path for a patient, the possibility of navigation errors is greatly reduced, virtuality and reality are seamlessly fused, and the intelligent hospital guide system based on AR vision and voice navigation has the advantages of being high in practicability and the like. The patient can walk on a familiar map in a hospital, and each step is full of confidence; the voice navigation function brings unprecedented convenience to the user, and especially for the visual impairment, the old or the users with inconvenience in hands, the service is as an intimate guide to lead the visual impairment, the old or the users with inconvenience in hands to easily shuttle to all corners of a hospital and enjoy barrier-free medical experience.

Even for users who are unfamiliar with smartphones or smartwatches, or those with visual impairments, this system enables personalized health support through interaction between the user and a hologram avatar. [Solution] A health support device comprising a body-worn device worn on the wrist with a biometric information acquisition sensor in contact with the user's skin, a collection means for collecting the acquired biometric information in real time, and a management server connected to the collection means via the cloud. The body-worn device comprises an avatar image generation means, an aerial display means for projecting the avatar image into the air as a 3D hologram, and a selection means for selecting the biometric information to be monitored 24 hours a day using voice commands spoken by the user. The management server comprises a dialogue engine that provides health support by having the avatar image interact with the user in response to changes in the selected biometric information, and the hologram-projected avatar responds visually or audibly in accordance with the biometric information.

The invention discloses AI intelligent glasses with a visual impairment assisting function, and belongs to the technical field of artificial intelligence. Comprising a glasses body, and a hardware system and a software system which are arranged on the glasses body, the hardware system comprises a wide-angle camera, a depth sensor, an inertial measurement unit, a geomagnetic sensor, an AI processing chip, a microphone array, a loudspeaker, a power supply module and a storage module; the wide-angle camera is used for collecting image data of the surrounding environment of the glasses body, the depth sensor is used for measuring the distance between an object and the glasses body, the inertial measurement unit is used for obtaining posture information of the glasses body, the geomagnetic sensor is used for positioning the direction of the glasses body, and the AI processing chip is used for processing data in real time. The microphone array is used for receiving a voice instruction of a user, the loudspeaker is used for outputting voice feedback information, and the power supply module is used for supplying power; the software system comprises an environment perception and object recognition algorithm, a navigation algorithm, a text recognition and reading algorithm and a voice interaction algorithm.

The application relates to the field of computer-aided technology and specifically discloses a vision-impaired drawing assistance system based on physiological signals and behavior analysis, aiming to solve the problems of mechanical assistance process and poor interactive experience in the prior art. The system comprises a physiological signal acquisition module for acquiring user concentration and emotion, a drawing behavior perception module for capturing brush pressure and trajectory, a multi-modal data fusion and intention analysis module for fusing data and analyzing creation intention, an adaptive guidance strategy generation module for generating personalized guidance strategies, and a multi-channel feedback execution module for providing voice, tactile and sound feedback. Through the cooperative work of the above modules, the system can realize real-time perception of user state and intention, dynamically adjust multi-sensory assistance guidance, and thus improve the naturalness of interaction and the assistance effect.

The invention provides a method for producing an optical element of a user-customized ophthalmic lens for an image-generating display device positionable on the head of a user, the method comprising the following steps: A) producing a plurality of substrate stacks (25) of a first variant and a plurality of substrate stacks (25) of a second variant, the substrate stacks (25) of all variants comprise in each case a waveguide (11) having a first side (16) and a second side (17) and a first lens (20) connected to the first side (16), the substrate stacks (25) of the same variant have in each case the same optical property, and the substrate stacks (25) of different variants differ in at least one predetermined optical property; b) producing a customized lens (21) for the user based on the visual impairment of the user and based on the selected substrate stack variants; and C) providing a selected variant of the substrate stack (25) and the produced custom lens (21) in order to be able to connect the produced custom lens (21) with the provided substrate stack (25) in order to produce the ophthalmic lens (3) customized for the user.

A method for compensating for a visual impairment in a virtual reality environment, by multiple computer systems associated with a head mounted display, including, rendering an initial image for display in a virtual reality environment, determining a first visual adjustment to the HMD based on an input received by the HMD, the input being associated with a visual impairment of a user of the HMD, determining that the first visual adjustment does not satisfy a threshold measure of compensation for the visual impairment of the user, determining a second visual adjustment to the HMD, and rendering an adjusted image for display in the virtual reality environment based on the first visual adjustment and the second visual adjustment.

An image processing method, circuit, visual impairment auxiliary device, electronic device, and medium are provided. The method includes: obtaining a to-be-processed image and a reference image of the to-be-processed image, the size of the reference image being smaller than the size of the to-be-processed image; performing compression processing on the to-be-processed image according to the size of the reference image; and determining the image quality of the to-be-processed image according to the to-be-processed image after the compression processing.

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).

A computer program is provided that includes an artificial intelligence-based model, wherein the computer program is designed to, when implemented by a computer, use the model to enable the computer to determine information characterizing a treatment plan for said refractive eye surgery based on information characterizing a patient and information characterizing the visual impairment of the patient's eye to be corrected by said refractive eye surgery.

The insulin pen for the visual impairment patient comprises a refill frame and an auxiliary positioning mechanism, a pen body is fixedly connected to the surface of the top of the refill frame, an adjusting knob is installed on the surface of the top of the pen body, and the auxiliary positioning mechanism is arranged on the surface of the outer side of the refill frame. An auxiliary metering mechanism is arranged on the surface of the outer side of the pen body, convenience and accuracy are provided for a patient with visual impairment to use the insulin pen, the patient can easily find the injection position by using the soft plug to position the abdomen position as the benchmark and positioning the positioning hole in the paperboard, and the accuracy of the insulin pen is improved. The design of the rotating guide rail and the sliding insertion groove enables the refill frame to accurately move on the positioning paperboard and align to the injection position, the injection precision and accuracy are improved, the stability and safety of the rotating angle are guaranteed through the arrangement of the limiting block and the screwing bolt, and excessive rotation or accidental movement is avoided.

The utility model relates to the field of modern electronic application technology and visual impairment assisting technology, and discloses a multifunctional touching and hearing glove for assisting blind people in reading, which comprises glove fabric, a camera with an OCR character recognition system is arranged at the index finger part of the glove fabric, a data processing device and a tactile feedback system are arranged at the palm back part of the glove fabric, and the data processing device is connected with the tactile feedback system. The palm center part of the glove fabric is provided with an auditory feedback system, the camera is connected with the data processing device, the data processing device is connected with the tactile feedback system and the auditory feedback system, the fingertip sensor is connected with the tactile feedback system, and the tactile feedback system converts information into pulse signals and transmits the pulse signals to the fingertip sensor. The device is low in price and convenient to carry, can effectively help the blind to read non-braille books, and brings convenience to study and life of the blind.

The invention discloses an application operation method and device, electronic equipment and a storage medium. The method comprises the steps of determining first operation information according to a first application; determining a first operation instruction, and determining a first operation path according to the first operation instruction and the first operation information; determining a first image; and operating the first application according to the first image, the first operation information and the first operation path. According to the method, the trigger path of the first application is determined according to the first operation information, and the first application is triggered according to the obtained trigger path, so that an object with visual impairment can be assisted to complete the operation on the application; the problem that the hearing of an object with visual impairment is occupied by existing operation software is avoided, the safety of privacy information can be guaranteed, and the safety of the object with visual impairment can also be guaranteed.

The safety spectacles comprise a spectacle frame main body and an additional spectacle frame, a first frame of the spectacle frame main body can be provided with first lenses for vision correction so as to be suitable for a user with visual defects, and the additional spectacle frame is provided with a second frame, a first extension soft body and a second extension soft body. The additional spectacle frame and the spectacle frame main body are detachably assembled through the insertion matching of the convex part and the through hole, and during the assembly, a first extension soft body and a second extension soft body which extend back to the spectacle frame main body are respectively propped against the edges of the upper extension wall and the lower extension wall of the first frame; the first extension soft body and the second extension soft body can be attached to the upper and lower sides of the eyes of the user, so that the upper and lower sides of the eyes of the user are protected; in addition, the first protective wings are arranged at the positions, close to all the glasses legs, of the first frame, and the first protective wings can protect the left side and the right side of the eyes of the user.

The invention discloses a virtual simulation training system and method for post-stroke visual disorder rehabilitation. The virtual simulation training system comprises VR glasses, an image generation module, an eye movement detection module, a user interaction module, a feedback evaluation module and a power module. The VR glasses are used for being worn by a patient, so that visual impairment repair is carried out on the patient; the image generation module is used for generating different images so as to provide various different visual restoration schemes; the eye movement detection module is used for synchronizing sight and imaging and acquiring eyeball parameters; the user interaction module is used for enabling a patient to interact with the system and selecting to-be-used options; the feedback evaluation module is used for monitoring and analyzing the reaction time, the accuracy rate and the behavior pattern of the patient in real time; the power module is used for supplying power to other modules. According to the application, the VR technology in the VR equipment is utilized to locally process the image, so that the targeted stimulation on the diseased part is enhanced, and a better rehabilitation effect is provided for the user.

Methods and systems are provided for a transportation vehicle. One method includes determining a visual impairment parameter indicating a degree of visual impairment of a passenger of a passenger seat associated with the seat device, determining a passenger location of the passenger and a location of a target, estimating an initial facing direction toward which the passenger faces, determining a position adjustment parameter indicating a position adjustment to be made by the passenger of the passenger seat to face the target, based on the passenger location, the location of the target, and the initial facing direction, and outputting a position adjustment instruction according to the position adjustment parameter, the position adjustment instruction including at least an audio instruction in response to the visual impairment parameter indicating visual impairment of the passenger.

The invention relates to a general situation of a product, namely a technical formula and a preparation method of a medicinal and edible multifunctional anthocyanin health-preserving beverage. 2, the invention solves the substantive problems of users, and provides a medicinal and edible formula capable of solving depression and visual impairment; the tea has the effects of regulating three highs, reducing blood pressure, reducing blood fat, reducing blood sugar, treating cardiovascular and cerebrovascular diseases, treating apoplexy, nourishing and protecting liver, treating kidney deficiency, treating mental and physical exhaustion, enhancing intelligence, improving immunity, treating lung cough, treating stomachache, treating mental and physical exhaustion, maintaining beauty and keeping young, resisting aging, having a cell regeneration function, supplementing protein, resisting cancer, diabetes, cancer and the like. And 3, the chronic diseases puzzle the normal life of people for a long time, and the physical and psychological health is in vicious circle. And 4, the problem is solved from the root of the disease, so that the user is not wound and painful by the disease. And 5, the user is helped to change from a chronic disease and sub-healthy state to a healthy state, so that the body and mind keep a healthy and virtuous circle.

The present disclosure relates to a method for a camera system, in particular a surround-view camera system, for a vehicle, which has a control device, multiple surround-view cameras, and a display apparatus. The method includes: generating an original image (step I), generating a simulated image of the original image, the simulated image simulating a coloration of the original image resulting from an ascertainable visual impairment, generating a differential image between the original image and the simulated image, determining edges in the differential image, generating a superimposed image by superimposing the original image and the edges of the differential image, and displaying the superimposed image using the display apparatus.

The invention relates to the technical field of medical rehabilitation, in particular to a hemiplegia vision rehabilitation training appliance which comprises a display panel used for playing target patterns and a communication module used for storing a basic training scheme, a mounting shell is detachably connected to the display panel, and an eye tracker used for capturing the eyeball rotation condition of a patient is arranged at the top of the mounting shell; an adjusting cavity is formed in the mounting shell, transparent plates are fixedly connected to the two sides of the adjusting cavity, and a light-transmitting assembly used for changing the light intensity is arranged in the adjusting cavity; the communication module is electrically connected with a control panel used for inputting and storing a basic training scheme, and the control panel is used for obtaining the eye movement condition of the patient based on the eye tracker to adjust the light-transmitting assembly; the visual impairment and rehabilitation condition of the patient can be verified conveniently, and the scheme suitability of the patient in the training process is improved.

The utility model provides a satellite point diffusion re-check multi-point fog-sand multi-effect lens and glasses, and relates to the technical field of lenses, the lens comprises a lens body, at least partial area of the lens body is provided with a point diffusion area, the point diffusion area comprises a transition point diffusion area, a main nucleus point diffusion area and a satellite point diffusion area, the transition point diffusion area is arranged at the inner side, and the main nucleus point diffusion area is arranged at the outer side. The main nuclear point diffusion area and the transition point diffusion area are arranged on the outer side, and the main nuclear point diffusion area and the satellite point diffusion area coincide; the main nuclear point diffusion area comprises a plurality of main nuclear diffusion points, the satellite point diffusion area comprises a plurality of satellite diffusion points, the diameter of the satellite diffusion points is smaller than that of the main nuclear diffusion points, and the satellite diffusion points and the main nuclear diffusion points are arranged in a staggered mode; on one hand, on the basis of ensuring the light transmission of the lens, vision deepening is inhibited in a contrast weakening mode, the effect is remarkable, on the other hand, contrast change transition is gentle and gentle, visual impairment caused by overlarge contrast difference change can be effectively reduced, and the lens is more comfortable to wear.

The invention discloses a visual impaired person guiding method for a barrier-free toilet and related equipment, relates to the technical field of computers, and discloses a visual impaired person guiding method for a barrier-free toilet, and the method comprises the steps: obtaining to-be-used facility information in a current facility region after a visual impaired person is detected; generating corresponding indication voice and light control information based on the to-be-used facility information; and based on the light control information, controlling a light device to generate a corresponding visual signal, and broadcasting the indication voice at the same time, so as to guide the visually impaired person. It can be understood that after the visual impaired person is detected, comprehensive guidance is provided for users with different degrees of visual impairments by broadcasting the indication voice in cooperation with the visual signal generated by the light equipment, so that the guiding accuracy for the visual impaired person is improved, and then comprehensive improvement guiding services are provided and the user experience is improved.

To provide a resin composition containing thermoplastic resin that balances low water vapor permeability and low moisture absorption with mechanical properties (particularly wear resistance), while preventing performance deterioration or visual impairments due to component bleed-out.SOLUTION: A resin composition contains thermoplastic resin (A), organic phyllosilicate (B) and hydrocarbon compound with 20 or more carbon atoms (C), satisfying all of the following (1)-(3): (1) the content of (A) in the resin composition is 15 wt.% or more and 90 wt.% or less based on the total weight of (A), (B), and (C); (2) the solubility parameter of (A) is 9.0-12.5(cal / cm3)1 / 2; and (3) the melting point of (C) is 35°C or more and 180°C or less.SELECTED DRAWING: None

A method for evaluating or improving a visual system of a subject is disclosed. The method comprises the steps of displaying multiple visual stimuli to the subject over a time period, wherein each visual stimulus comprises a motion signal; and receiving subsequent inputs from the subject indicating the subject's perception of a direction of motion of the motion signal in each visual stimulus.

To enable voice guidance to effectively function for each user by performing the voice guidance by making a user with visual impairment recognize that the voice guidance being output is the voice guidance for himself / herself.SOLUTION: A voice guidance system comprises: a camera device which captures an image in which one or a plurality of users go by; a speaker device which outputs voice guidance; and an analysis device which outputs the voice guidance corresponding to the analysis result of the photographed image via the speaker device. An image analysis unit of the analysis device analyzes the image captured by the camera device to detect whether or not the user has visual impairment, the current position of the user with visual impairment and a feature of the user with visual impairment. An output voice control unit outputs the voice guidance corresponding to the current position of the user with visual impairment by making the detected user with visual impairment recognize that the voice guidance indicating the detected feature is the voice guidance for himself / herself by outputting the voice guidance via the speaker device.SELECTED DRAWING: Figure 5

A method, system and computer program product for automated visual setting importation is disclosed. A first application running on a first device requests a vision setting for a second application. A vision setting of the first application running on a first device is determined to correspond to the vision setting for the second application. The vision setting for the second application is then applied to the corresponding vision setting of the first application.

The present invention provides ophthalmic formulations comprising long-acting beta-adrenergic receptor agonist (LABA) compounds, long-acting muscarinic antagonists (LAMA), and combinations thereof. Also provided are methods of treating visual impairment with LABA, LAMA, and combinations thereof.

The utility model discloses a braille counting device suitable for a dry powder inhaler, which comprises a dry powder inhaler main body, a mounting assembly, a control terminal and an infrared counting assembly, the bottom of the dry powder inhaler main body is provided with an administration knob, and the top of the dry powder inhaler main body is fixedly provided with a suction nozzle; the middle of the mounting assembly is mounted outside the dry powder inhaler body in a sleeving manner, the control terminal is arranged in the mounting assembly, and the inner surface of the middle of the infrared counting assembly is mounted on the outer surface of the dry powder inhaler body in a sleeving manner; by arranging the mounting assembly, the infrared counting assembly and other structures, in the process that the sleeve is rotated to suck medicine, the distance of transmitting and receiving signals of the infrared sensor is changed, and an algorithm module prefabricated in the control terminal processes the changing signals and counts the changing signals, so that people with impaired vision or people who cannot see things clearly with eyes know the number of remaining medicine taking times, and the medicine taking accuracy is improved. And therefore, the applicability of the device is improved, the limitation of the device is reduced, and practical application is more facilitated.

The application relates to an ophthalmic preparation, a preparation method and use. The ophthalmic preparation comprises: a pentetrazol hydrochloride, a buffer and water for injection, wherein the mass / volume ratio of the pentetrazol hydrochloride is 0.001%-2%, and the total concentration of the buffer is less than or equal to 50 mM. The ophthalmic preparation can effectively treat and / or prevent visual impairment eye diseases, and has the advantages of safety, effectiveness, good stability and the like, and is suitable for popularization and application.