12 results about "Color discrimination" patented technology

The utility model discloses a children intelligence toy for assisting children in identifying colors, which comprises a box body, fixed cylinders are fixed at the bottom of the inner wall of the box body at equal intervals, a movable rod is connected above the fixed cylinders, and a movable block is arranged above the movable rod; a containing groove is formed in the top of the fixed cylinder, a fixed contact switch is installed at the bottom of the inner wall of the containing groove, and a first reset spring is fixed between the bottom of the movable rod and the inner wall of the containing groove. And a movable contact switch is mounted at the bottom of the movable rod. According to the children educational toy assisting children in color identification, children press a movable block to enable a movable plate to move downwards, a movable contact switch is driven to make contact with a fixed contact switch, then a corresponding panel lamp is started and emits colored light, meanwhile, a voice playing module emits voice of the corresponding color, and the color identification effect is achieved. Therefore, the color discrimination of children can be deepened, and the learning effect is improved.

Saving power in an extended-reality device can include rendering a video stream on a display, tracking an eye of a user observing the display, ascertaining a gaze direction of the eye based on tracking the eye, calculating a foveal region of the display based on ascertaining the gaze direction in relation to the display, and modulating color hues of the video stream for pixels of the display outside the foveal region, to reduce a power consumption of the display. Modulating color hues is based on human color discrimination and display power consumption correlated to pixel color.

This invention discloses a method and system for quantifying the color discrimination ability of both natural and artificial light sources. The method first measures the spectral power distribution of the light source to be evaluated. S ( l The illuminance E was then calculated; subsequently, the neutrality index of the light source was calculated in a uniform color space. S neutral The continuous color difference index (SCD) is calculated based on the chromaticity values ​​of a set of continuous color samples in a uniform color space; a segmented illuminance correction function is output according to the illuminance range; finally, the neutrality index is... S neutral The continuous color difference index (SCD) and illuminance correction function are uniformly input into a preset light source color discrimination capability quantification model G to calculate a comprehensive evaluation value. This invention comprehensively quantifies color discrimination capability from three dimensions: spectral characteristics of the light source, neutrality, and illuminance level. It effectively solves the technical problems of existing models failing to represent the spectrum under natural light and being unable to accurately quantify the nonlinear visual response of the human eye under extremely large illuminance spans.

The embodiment of the invention provides a visual enhancement method for color vision disorder, electronic equipment and a medium, and belongs to the technical field of artificial intelligence. The method comprises the following steps: performing visual enhancement on an original training image through an original visual enhancement model to obtain a visual enhancement image aiming at the performance of color vision disorder; performing color discrimination on the vision enhancement image through a color vision color simulation model so as to perform model training on the original vision enhancement model according to the calculated target loss values of the vision enhancement image, the original training image, the target color discrimination name and the real color name; and performing visual enhancement on the target image through the trained visual enhancement model. According to the embodiment of the invention, color name discrimination is carried out on the vision enhancement image through the color vision color simulation model so as to simulate a color naming process perceived by people with color vision disorder, and the vision enhancement model is trained in combination with the target loss value, so that the people with color vision disorder are effectively helped to calibrate the consistency of color naming and public language standards.

This invention provides a method, device, terminal, and storage medium for soil Munsell color discrimination based on high-resolution multispectral remote sensing. The invention acquires multispectral remote sensing images and metadata, performs radiometric calibration and atmospheric correction on the images to obtain surface reflectance; generates a quality mask including clouds, cloud shadows, shading, water bodies, and anomalous pixels, and removes unusable pixels; estimates soil purity by combining a bare soil candidate mask and gates mixed pixels; performs geometric and BRDF normalization on bare soil candidate pixels, and constructs soil state indicators from SWIR bands; establishes a mapping from reflectance to CIE tristimulus values ​​based on the sensor spectral response and converts it to CIELAB; obtains the equivalent color of dry soil by segmental compensation according to the soil state indicators; performs color difference matching with the Munsell color library and calculates the confidence level; outputs an undecidable condition and cause code when the confidence level is low, achieving stable discrimination and reliable output under complex observation conditions.

The invention discloses a bladder irrigation color discrimination infusion apparatus, and relates to the technical field of infusion apparatuses. The throttling device comprises a throttling box and further comprises a grading part arranged on the throttling box. An arrow is arranged on the turntable, the arrow is matched with the scale strips to distinguish the flow velocity, the scale strips are provided with corresponding colors, the turntable is rotated to the corresponding color gradation according to the color gradation where the current urine color of a patient is located, the gap between every two scale strips arranged on the cover plate represents one grade, and a plurality of grade adjustments can be set; and each color gradation has different colors. By arranging the adjusting part, the problems that in the using process of an existing infusion apparatus, only the basic function of flushing fluid conveying can be achieved, no color contrast function exists, consequently, the current flushing fluid flow speed depends on manual adjustment, medical workers need to judge the color gradation of drainage fluid through a urine color contrast card firstly, then the target dripping speed is calculated, and the infusion efficiency is affected are solved. The flow rate of the infusion apparatus is manually adjusted, the operation process is tedious, and the efficiency is low.

The utility model relates to the technical field of auxiliary tools for traditional Chinese medicine treatment, in particular to a structure for assisting analysis and comparison of tongue fur and tongue pictures. The utility model provides a structure for assisting the analysis and comparison of tongue coating and tongue pictures, which is characterized in that the positioning of tongue coating or tongue body colors is different due to personal experience or subjective reasons, and the existing tongue coating detection equipment is complicated in structure and inconvenient to carry, and comprises a color comparison part and a handheld part, the color comparison part is connected with one end of the handheld part, and the other end of the handheld part is connected with the other end of the color comparison part. The color comparison part comprises a tongue coating color comparison part and a tongue body color comparison part, a tongue coating color area is arranged on the tongue coating color comparison part, and a tongue body color area is arranged on the tongue body color comparison part. The color comparison device is simple and small in structure, portable and easy to popularize and use, and various color areas of the comparison structure can directly correspond to tongue coating colors of a patient; a beginner can distinguish diseases according to corresponding colors to solve problems, and the difference of judgment due to personal experience or subjective reasons is reduced.

A color vision correction resin lens coating material and a preparation method thereof, the coating material comprising: an isocyanate compound, 30-40 parts by weight; a thiol compound, 15-30 parts by weight; polyvinyl butyral, 5-25 parts by weight; a photosensitive color-changing solution, 1-5 parts by weight; an initiator; a defoaming agent; a wetting agent. The photosensitive color-changing nanocomposite microspheres contained therein have a core composed of two spiropyran compounds and a shell coated with a modified acrylate material. The coating material has high flexibility and firmness; on the other hand, the coating material can automatically perform light filtering and color complementation, the color purity of the red and green band spectrum and the dimension of the color vision vector space are synergistically enhanced through the complementary color change of the two color-changing materials, the color vision abnormality is regulated, and the color discrimination ability is improved, thereby avoiding the over-reliance on one color caused by long-term wearing of color blindness glasses by color weak and color blind patients, maintaining visual quality, and having the advantages of high color saturation, good color complementation effect, comfortable wearing, etc.

The invention provides a real-time detection method and device for pure color abnormity of a display screen of an in-vehicle entertainment product, and the method comprises the steps: entering a camera image displayed on a touch screen of the in-vehicle entertainment product in real time when a user executes a selection operation for an area circling button in a main interface of an area monitoring system, responding to the area circling operation of the user for the camera image, and carrying out the real-time detection of the pure color abnormity of the display screen of the in-vehicle entertainment product. The method comprises the following steps: generating a corresponding region of interest, setting corresponding sensitivity in response to a dragging operation of a user on a sensitivity slider in a main interface for the region of interest, performing real-time mapping on the sensitivity and preset three-color discrimination to obtain a discrimination threshold value of each discrimination in the three-color discrimination, and determining the sensitivity of each discrimination in the three-color discrimination under the sensitivity and a preset cycle period. And synchronously operating multiple types of discrimination in the same region of interest to obtain a discrimination result of each type of discrimination, and determining that the pure color of the vehicle touch screen is abnormal in response to the discrimination result of at least one discrimination which does not conform to the corresponding discrimination threshold value.

The invention provides a full-automatic bacterial colony counting system and counting method based on a secondary watershed, and belongs to the technical field of microbiological detection and analysis. Comprising a color segmentation module used for converting an input RGB image to an HSV space and separating bacterial colonies with different color features to obtain bacterial colonies with different color features; the adhered bacterial colony separation module is used for separating adhered bacterial colonies from the bacterial colonies with different color characteristics by using a secondary watershed algorithm to obtain separated bacterial colonies; and the morphological characteristic quantitative evaluation module is used for comparing the shape of the separated bacterial colony with a preset standard, removing impurities, and analyzing and evaluating the growth state of the bacterial colony to obtain the number of bacterial colonies meeting the preset standard. According to the method, the color distinguishing capability can be enhanced by utilizing the clustering characteristic of the HSV hue channel; a secondary watershed algorithm is adopted to improve the segmentation precision of the adhered bacterial colonies; bacterial colonies are screened through roundness parameters, and impurity interference is eliminated.

The application discloses a photosensitive color-changing nanomicrosphere material and a preparation method thereof. The material is a core-shell structure, the inner core of which is composed of nanocrystalline grains of two spiropyran compounds represented by formula (a) and formula (b), and the outer shell is coated with modified acrylate material; the mass ratio of the inner core to the outer shell is (1-2):(3-5), and the microsphere particle size is 7-15 nm. The photosensitive color-changing nanomicrosphere can respectively change the red and green color under the conditions of ultraviolet and visible light, and effectively filter light of specific wavelengths. The photosensitive color-changing nanomicrosphere can be applied to color correction optical components, play a role of filtering complementary colors, improve the accuracy and saturation of color, and improve the color discrimination ability, and has a remarkable effect in color correction. Wherein R=C 16 H 33 ; wherein R=C 16 H 33 .

The embodiment of the application provides a visual enhancement method for color vision impairment, an electronic device and a medium, and belongs to the technical field of artificial intelligence. The method comprises the following steps: performing visual enhancement on an original training image through an original visual enhancement model to obtain a visual enhancement image for color vision impairment performance; performing color discrimination on the visual enhancement image through a color vision color simulation model to perform model training on the original visual enhancement model according to a target loss value of the visual enhancement image, the original training image, a target color discrimination name and a real color name, so as to perform visual enhancement on a target image through the trained visual enhancement model. According to the embodiment of the application, the color vision color simulation model is used to discriminate the color name of the visual enhancement image to simulate the color naming process perceived by the color vision impaired population, and then the visual enhancement model is trained in combination with the target loss value, so that the consistency of the color naming of the color vision impaired population and the public language standard is effectively helped.