34 results about "Color blind" patented technology

A LED Traffic Light to aid people who have issues with color blindness. For the main LED traffic light, there is a solid matrix of LEDs on the complete face facing traffic. The light pattern displayed will indicate stop, caution, or go and the light patterns shown will differ for stop, caution, and go. Auxiliary lights can be employed with the main LED traffic light to indicate whether or not turns can be made.

The invention discloses a map color automatic migration method meeting cognition of color blindness crowds, which comprises the following steps of: for an input reference image, dividing the image into a foreground region and a background region by adopting a saliency detection algorithm; extracting significant colors in the foreground and background areas by adopting a clustering algorithm, then carrying out secondary clustering, and grouping the extracted colors as candidate colors of map colors; according to a map color design rule, a map color migration problem is modeled into a multi-constraint single-target optimization problem, a heuristic algorithm is adopted to solve the model, colors of planar elements, linear elements and point elements of a map are output in sequence, and an automatic barrier-free map color matching scheme is generated. According to the method, barrier-free map colors meeting cognition of color blindness people can be quickly generated according to the given reference image, and effective transmission of map information is guaranteed.

The invention provides an early warning device adopting four-color light combination, which comprises a base, an earthquake information receiver, a light early warning assembly, a sound early warning assembly and a control system are integrated on the base, and the earthquake information receiver is used for receiving earthquake early warning information sent by a seismic bureau; the light early warning assembly comprises a plurality of early warning lamps with the same or different shapes and colors; the sound early warning assembly comprises a controller and a loudspeaker; the control system has a manually set light early warning rule, and controls the early warning lamps at different positions to flicker and the sound early warning assembly to give an alarm according to different earthquake grades; according to the earthquake early-warning level feedback system, visual and tactile signals can be provided at the same time, a good warning effect on various people, especially color blindness and deaf people, is also achieved, operation is more convenient, the earthquake early-warning level feedback speed is greatly increased, and the earthquake early-warning level feedback effect is improved. And people can conveniently respond in time.

A computer-implemented method for selectively replacing a color of an object in an original image due to color blindness of a viewer. The method includes identifying whether there are color groups that are hard to be distinguished at a border between one or more objects in an original image. The method further includes generating a grayscale image from the original image and estimating an original color of each pixel in the original image by inputting the generated grayscale image to an automatic colorization artificial intelligence (AI) model. The method further includes determining at least one color group for which color replacement is to be performed and replacing the determined at least one color group with a color that is easily perceived by the person having a color vision deficiency and that is easily distinguished from the other color groups at the border between the identified one or more objects.

The invention discloses an intelligent traffic light identification and real-time prompting system for color blindness drivers. The system comprises an environment sensing module; the acquisition module is responsible for acquiring surrounding environment information; the parameter self-adaptive module is responsible for dynamically adjusting identification parameters of the system; the dynamic image processing module is responsible for processing and analyzing images acquired in real time; the signal lamp identification module is responsible for identifying colors and states of traffic lights; the decision and prompt module is responsible for making a corresponding driving decision and prompting a driver; according to the system, through the environment sensing module, the system can obtain and process the information of the surrounding environment in real time, the information comprises illumination conditions, weather conditions and the like, and basic data is provided for subsequent parameter adjustment and image processing. And the parameter adaptive module dynamically adjusts image processing parameters and signal lamp identification parameters according to the environment information, so that the adaptability of the system to different environments is improved.

To allow a minority color vision person to obtain color vision coincident with that of many standard color vision persons by coping with an optical characteristic of a display device and an individual difference in color vision.SOLUTION: A pre-conversion image 100 is displayed on a display 130 for a majority color vision person via a normal display device 120 on one hand, and is displayed on a display 170 for a minority color vision person via a color vision correction device 150 on the other hand. In color vision correction device 150, correction calculator 160 performs correction conversion calculation on the RGB data (R, G, B) according to correction conversion calculation program 162 to obtain corrected RGB data (R ', G ', B '). At this time, the correction conversion is performed so that the cone stimulation values (L, M, S) for a person with polychromatism who views the display 130 and the cone stimulation values (L ', M ', S ') for a person with minority color vision who views the display 170 match.SELECTED DRAWING: Figure 2

This invention provides an image processing device, an image processing method, and an image processing program that enable individuals with color vision deficiency to distinguish between different colors through simulation and clustering. [Solution] The image processing device is an image processing device that converts input image data input to an input device into output image data within a set color gamut on an output device, and includes: a simulation image generation unit that performs a dichromacy simulation on the input image data in the input device to generate a color vision simulation image; an input color information conversion unit that converts the simulation image generated by the simulation image generation unit into an XYZ color system; a confusion color information storage unit that stores confusion color information relating to confusion color lines that show the distribution of colors that are difficult for colorblind persons to distinguish; and a clustering processing unit that performs clustering to classify multiple similar colors and aggregate them into a representative number of colors.

Method for a vehicle with an augmented reality (“AR”) headset, wherein the method comprises: Determining the location of the vehicle using a GPS unit compliant with Dedicated Short Range Communication (DSRC), with the location having an accuracy of plus or minus 1.5 meters; Identifying an illuminated light in a vehicle's driving environment based on the vehicle's location; Determine that the illuminated light is a point of interest, based on the color of the illuminated light and a driver of the vehicle who is affected by some form of color blindness; Determining a vehicle action to be taken in response to the identification of the illuminated light in the vehicle's driving environment, where the illuminated light is the point of interest; Receiving head position data from one or more internal cameras of the vehicle, wherein the head position data describes an orientation of the driver's head; Determine, based on the head position data, that the orientation of the driver's head indicates that the point of interest lies within the driver's field of vision; and In response to a determination that the point of interest is within the driver's field of vision, an AR overlay is displayed using the AR headset, visually representing a word that describes the vehicle action to be taken in response to the identification of the illuminated light.

An information processing apparatus includes: a determiner configured to determine whether a combination of adjacent two colors in inputted image data is a combination in which a person with color blindness is likely to confuse the two colors; and a decider configured to decide, as a proposed change of the combination of the two colors, for the combination determined to be the combination in which the person with color blindness is likely to confuse the two colors by the determiner, a combination in which at least one of the two colors is changed such that the person with color blindness is capable of distinguishing the two colors and in which a degree of change of the at least one changed color of the two colors is minimized for a person with normal color vision.

To enable highly flexible color arrangement for both persons with color vision deficiency and persons with normal color vision, thereby ensuring design and beauty and improving information transmission. [Solution] The present invention obtains reproduced color information of colors distinguishable by the color vision corresponding to each of a plurality of types of color vision and information representing a color confusion line. In this state, when a first color vision classified as a color vision abnormality is specified from among the plurality of types of color vision, a first color distinguishable by the specified first color vision is selected from the reproduced color information corresponding to the first color vision. Next, a second color different from the first color and suitable for a general second color vision, which is selected by a user based on a color confusion line corresponding to the first color vision and including the first color, is obtained, and the first color is corrected based on the obtained second color.

This invention provides a myopia screening device. The first end of the housing is designated as the detection end for testing the subject's eyes. A visual target screen, a screening camera, and an optical path assembly are all housed within the housing. The visual target screen is located on one side wall of the housing, the optical path assembly is positioned between the detection end and the visual target screen, and the screening camera is located at the second end of the housing. The screening camera captures a light and shadow image of the subject's pupil. A processor processes and analyzes the light and shadow image captured by the screening camera. An input device communicates with the processor and inputs the image seen by the subject on the visual target screen into the processor. This invention enables not only refractive error testing but also visual acuity testing and color blindness / color weakness testing. Furthermore, this invention can estimate the subject's visual acuity based on the refractive error test results, generate a corresponding estimated visual target based on the estimated visual acuity, and quickly complete the visual acuity test, effectively shortening the visual acuity screening time.

The application discloses a display improvement method and system based on full color blindness, a terminal and a storage medium. The method comprises the following steps: acquiring brightness information of each partition image, and obtaining a first image brightness matrix based on the brightness information; acquiring the maximum brightness and the minimum brightness of the first image brightness matrix, and calculating the difference between the maximum brightness and the minimum brightness; converting the first image brightness matrix based on the difference to obtain a second image brightness matrix, and transmitting the second image brightness matrix to a display to complete image display. The application is based on the visual characteristics of the full color blindness population, and through a segmented brightness conversion function, an image more suitable for the full color blindness population is obtained, a personalized viewing mode is provided for the full color blindness special users, a more comfortable viewing experience is brought, and the happiness index of the full color blindness special users is improved.

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.

The present disclosure discloses a content display method and apparatus, an electronic device, and a computer-readable storage medium. In the present disclosure, after RGB information is converted into target color space information according to a color blindness type, brightness adjustment is performed on a brightness value of the target color space information according to an original brightness value to acquire adjusted target color space information, and the loss degree of the brightness value in the adjusted target color space information is reduced, such that abnormal brightness of content to be displayed is avoided when said content is displayed according to the adjusted target color space information.

Systems and methods for operating a display of a device are described herein. The display is configured to adjust the hue of the display depending on the ambient light conditions around the display. To assist a user of the device in determining a priority condition of the device, the device is configured to use color contrasts to focus the attention of the user to one or more icons on the display, thus prioritizing icons relative to other, lower priority icons associated with other conditions of the device. Additionally, the contrast used can be adjusted by the user to potentially account for varying degrees of color blindness. The display can be set to one or more test contrasts, whereby a user selects the contrast that works the best for the user.

The present disclosure discloses an image correction method, an electronic device and a computer readable storage medium. The image correction method includes: obtaining an original image and a preset color adjustment strategy; obtaining pixel statistical information of the original image; determining a target color adjustment strategy based on the pixel statistical information and the preset color adjustment strategy; and adjusting the original image based on the target color adjustment strategy to obtain a target image with colors distinguishable by a user. The image correction method can adjust an original image through a target color adjustment strategy formed by different preset color adjustment strategies, so as to allow colors in the original image can be distinguished by a color-blind user. In addition, the color change in the original image is small, so as to improve the naturalness of the original image.

The invention discloses an image correction method, electronic equipment and a computer readable storage medium. The image correction method comprises the following steps: acquiring an original image and a preset color adjustment strategy; obtaining pixel point statistical information of the original image; determining a target color adjustment strategy according to the pixel point statistical information and a preset color adjustment strategy; and adjusting the original image according to the target color adjustment strategy to obtain a target image with colors capable of being distinguished by a user. By adopting the method, the original image can be adjusted through the target color adjustment strategy formed by different preset color adjustment strategies, so that a color blindness user can distinguish the color in the original image, the color change in the original image is small, and the naturalness of the original image is improved.

A system is provided.SOLUTION: The system includes a means for receiving an existing material, a means for analyzing the received material and grasping the emphasis of colors, a means for learning the combination of colors which are difficult for a colorblind person to view, a means for learning colors which are easy for the colorblind person to view, a means for changing the material to color arrangement friendly to the colorblind person on the basis of a learning result, and a means for generating and transmitting the changed material.SELECTED DRAWING: Figure 1

Provided are an electronic device and a control method therefor. This electronic device comprises: a display; a memory storing instructions; and at least one processor. The instructions, when executed individually or collectively by the at least one processor, instruct the electronic device to: on the basis of information on a plurality of objects included on an execution screen of an application, identify whether color correction for the plurality of objects is needed for a color-weak user; if color correction for the plurality of objects is identified to be needed, provide, on the display, a UI for the color correction for the plurality of objects; and perform the color correction for the plurality of objects according to a user input inputted through the UI.

According to the individualized color vision abnormality image color reconstruction method based on the physiological model, continuous offset of an L / M visual cone absorption peak value is simulated on the wave number scale, spectral perception changes of color weakness / color blindness people on the physiological structure level are truly represented, and scientificity and interpretation of color vision abnormality simulation are remarkably improved; a color vision anomaly model for individuals is constructed, so that a simulation result not only conforms to a physiological mechanism, but also can reflect unique color vision features of each observer, and technical support is provided for individualized image enhancement and accurate visual evaluation; eEW normalization correction is carried out on abnormal cone cell response, so that the visual response of a simulated individual under isoenergetic white light is consistent with that of a standard observer, and the stability and naturalness of image simulation are facilitated; the GOG model is introduced in the mapping process between the RGB space and the XYZ space, Gamma response characteristics and channel nonlinearity of actual display equipment are fully considered, and the fitting precision from image pixels to visual response is effectively improved.

Systems and methods for providing colorblind accessible versions of color images are disclosed. For a given image, pixel values that a colorblind user would see are determined. Using these values, a corrected rendered image is produced and presented to the colorblind user that appears to the colorblind user to depict a similar color scheme as the original image. The proposed systems can be implemented with previously captured image data, real-time video, and as an additional item to other applications.

A color reproduction device operates by iteratively training a color processing subsystem, wherein the iterative training includes the steps of: color processing at least one color-blindness test image based on color processing parameters to produce at least one processed color-blindness test image; displaying the at least one processed color-blindness test image to a user via the display device; receiving user feedback via the interactive user interface; adjusting the color processing parameters based on the user feedback; repeating the prior step via a plurality of iterations until a termination criterion is met; and storing final color processing parameters when the termination criterion is met; receiving color images for display; and color processing the color images based on the final color processing parameters to produce processed color images for display.

A method, system and / or spectacle eyewear device for modifying the color vision of a person while viewing a color image emitted in linearly polarized light by a display device includes a first lens and a second lens, wherein the lenses each include a color-selective partial polarization filter and the polarization axes the filters are orientated non-parallel to each other and are configured so that a person experiences binocular rivalry due to spectral binocular disparity with respect to the polarized light emitted by the display device. In some variations the polarization axes of the filters are oriented in such a way that the intensity of binocular rivalry is maintained for rotations of the polarized light and / or display device by 45 degrees and by 90 degrees. In some variations the lenses appear substantially identical when viewed in non-polarized light. In some variations the person has color blindness or color vision deficiency.

A display apparatus according to the present disclosure comprises an image display unit, a backlight unit, and at least one processor. The backlight unit comprises: a substrate; and a plurality of dimming blocks arranged in a plurality of rows and a plurality of columns on the substrate, wherein each of the dimming blocks includes a red LED, a green LED, and a blue LED. In a color vision deficiency mode, the at least one processor may: acquire, on the basis of image data, color difference values between a plurality of image blocks of an image corresponding to the plurality of dimming blocks; determine, on the basis of the color difference values between the plurality of image blocks, at least one of a current weight for a red LED of one dimming block among the plurality of dimming blocks, a current weight for a green LED of the dimming block, and a current weight for a blue LED of the dimming block; and control, on the basis of the image data and the determined current weight, current supplied to at least one of the red LED of the dimming block, the green LED of the dimming block, and the blue LED of the dimming block.

A system for implementing interaction between a semi-autonomous or autonomous motor vehicle (Vh1) and at least one vulnerable user (U1, U2, U3, U4) of a lane (9) on which the motor vehicle is traveling, wherein vulnerable users may cross the lane on a passage (90), pedestrians and cyclists being considered vulnerable users, the system comprising: an ambient sensor (3); a computer (4) which processes data received from the ambient sensor; a display device (1) which is directed to the outside of the vehicle and is controlled by the computer; the display device (1) being formed as a horizontal strip (11) and occupying the longitudinal ends of the vehicle, including each cm 2 A matrix panel having at least four pixels, the display device being configured to provide visual indications to vulnerable users (U1, U2, U3, U4) present in the vehicle's surroundings about whether they can cross the road in the lane, and to convey indications encouraging crossing or conversely prohibiting crossing, the indications having pictograms, respectively having a stationary posture and a moving posture, the pictograms being swept by at least one contrasting line (61-65, 71-73), the brightness of the pixels forming the pictograms being inverted on both sides of the contrasting line, so that the vulnerable users can obtain undoubted information that the semi-automatic or autonomous driving motor vehicle has taken their presence into account even if they cannot perceive colors normally.

The invention discloses an image adjusting method and a projection device. The image adjusting method is applied to the projection device and comprises the following steps: projecting a mode setting menu to a projection surface by means of a projection module; in response to a selection operation of the user based on the mode setting menu, controlling the projection device to enter a color blindness selection mode; when the projection device enters a color blindness selection mode, projecting the reference picture and a plurality of color blindness test pictures corresponding to the at least one color blindness type to a projection surface by means of the projection module so as to perform a color blindness test; in response to one of the color blindness test pictures selected by a user based on a reference picture, obtaining corresponding optical color setting information; and adjusting the driving current corresponding to at least one of the red light signal, the blue light signal and the green light signal based on the optical color setting information so as to perform color compensation on the projection image, so that a color blindness user can distinguish the color display of the projection image with naked eyes.

The present invention belongs to the field of chemical sensing technology, and specifically relates to a visual detection method, a detection device and a water jet printing method for metal ions (especially multiple metal ions). The present invention provides a visual detection method for metal ions, including graphically displaying the color response of fluorescent materials to metal ions, and identifying and distinguishing metal ions based on the graphical display. This method extracts the response results and draws radar charts of different metal ions based on the different color responses of fluorescent materials after interacting with different metal ions. Different metal ions can be more intuitively identified and distinguished through the visual radar chart. This method provides color blind patients with the opportunity to detect color changes and obtain chemical sensing technology, which is more superior and humane than traditional colorimetric detection methods. The present invention also provides a visual detection device for metal ions, which uses the above-mentioned visual detection method to detect metal ions.