22 results about "Color discrimination" patented technology

The invention discloses a surgical foreign matter leaving monitoring method and device, computer equipment and a storage medium. Comprising the steps that when an operation starts, the gauze number is initialized; acquiring to-be-monitored video data; inputting into a gauze identification model to carry out gauze target identification; when the identification result is that the gauze target is identified, gauze color discrimination is carried out in a gauze color discrimination model to obtain a discrimination result; judging whether the color of the gauze target is white or not; if yes, adding one to the gauze number to update the gauze number; judging whether the current operation is finished; if yes, when the gauze quantity is not equal to zero, giving a gauze remaining alarm; if not, judging whether the color of the gauze target is red or not; if yes, subtracting one from the gauze number to update the gauze number, and judging whether the current operation is finished or not. According to the invention, automatic identification, positioning and counting of the gauze can be realized, and the gauze leaving problem in the operation process is solved.

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.

The utility model relates to the technical field of color vision detection, in particular to a color blindness and color weakness detection disc which comprises a storage mechanism, a peep-proof mechanism, an adjusting mechanism and a detection mechanism. According to the color blindness and color weakness detection device, the false homochromaticity images pasted in all the grooves in the rotating disc are sequentially rotated to the position under the observation hole to be observed by a detector, on one hand, the color discrimination ability of the detector can be evaluated more comprehensively, the time of the detector in the color blindness and color weakness detection process is shortened, the color blindness and color weakness detection efficiency of the detector is further improved, and the detection efficiency of the detector is improved. On the other hand, a detector observes different false homochromatic images on the rotating disc, the situation that the detector makes contact with the false homochromatic images manually is reduced, the service life of the detection disc is prolonged, meanwhile, an observation hole is shielded through a baffle at the top of the peep-proof mechanism, it is guaranteed that the false homochromatic images on the rotating disc can only be observed by the detector, the situation that the detector is reminded by others is avoided, and the detection efficiency is improved. And the detection accuracy and fairness are further improved.

The application discloses a color resolution measurement system, comprising a parameter acquisition module, a visual stimulus generation module, a human-computer interaction module, a process control module and a data recording and analysis module. The parameter acquisition module acquires measurement parameters; the visual stimulus generation module generates color visual stimuli for measurement; the human-computer interaction module presents the stimuli to the measured individual and acquires the recognition of the visual stimuli by the measured individual; the process control module controls the measurement process; and the data recording and analysis module records the measurement data and analyzes and determines the color resolution threshold. The color resolution measurement system provided by the application can quantize the resolution capability of the measured individual to various colors through targeted visual stimulus design, measurement process control and data analysis method, can adjust the measurement precision through parameter setting, has simple task design and operation mode, is suitable for animal function evaluation and has a broader application prospect.

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.

This substrate work system comprises: a component imaging camera capable of imaging a component by turning on at least one of a plurality of types of illumination light sources having different light source colors; and an appearance color determination unit for determining the appearance color of the component on the basis of a luminance value in a prescribed area of achromatic image data acquired through imaging by the component imaging camera, and the light source color of the illumination light source turned on when the component is imaged.

The utility model discloses a helmet with a color blindness lens, and relates to the technical field of helmets. The helmet with the color blindness lens comprises a helmet body, the helmet body comprises a helmet shell, an eye protection cover is arranged at the front end of the helmet shell, rotating buttons are inserted into the two sides of the eye protection cover, and one ends of the two rotating buttons are installed on the two sides of the helmet shell respectively; a correction film is arranged on the inner wall of the eye protection cover, the correction film comprises a high-transparency bonding layer arranged on the surface of the inner wall of the eye protection cover, and a complementary color antagonism layer is compounded on the surface of the top of the high-transparency bonding layer. Therefore, the proportion of the three primary colors entering the human eyes tends to be normal, the aim of correctly distinguishing the colors is finally achieved, and the colors which are originally unclear to be distinguished by color blindness can be correctly distinguished, so that the effect of correcting color vision disorder is achieved.

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.

A method for calibrating a computerized color vision test and a method for testing color vision on a computer are provided. The invention relates to a method for calibrating a color vision test under given ambient lighting conditions, the color vision test being displayed on a color display (12) of a computer (10) having at least one input interface (14), characterized in that before starting the color vision test, a calibration test is displayed on the display (12) under given ambient lighting conditions to a person with normal color vision, a color determination task requiring user input as part of the calibration test is displayed in at least one measurement area (31) of the display (12), the user input is read via the at least one input interface (14) of the computer (10), the read user input is evaluated, and as a result of the evaluation, a display error caused by a combination of the color reproduction capability of the display (12) and the effect of the ambient lighting conditions on color vision is determined, and a modification of the color vision test is determined based on the display error, the modification correcting the color vision test with respect to the display error. The invention also relates to a method for testing color vision using the calibration method, and a computer and a computer program configured to perform this method. The invention also relates to a color discrimination test, a color recognition test, and a combination of the two tests.

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 application discloses a surgical foreign body left monitoring method and device, computer equipment and a storage medium. The method comprises the following steps: initializing the number of gauze when the operation starts; obtaining video data to be monitored; inputting the video data into a gauze recognition model for gauze target recognition; when the recognition result is a gauze target, performing gauze color discrimination in the gauze color discrimination model to obtain a discrimination result; judging whether the discrimination result is white, the color of the gauze target; if yes, increasing the number of gauze by one to update the number of gauze; judging whether the current operation is over; if yes, performing gauze left warning when the number of gauze is not equal to zero; if no, judging whether the discrimination result is red, the color of the gauze target; if yes, decreasing the number of gauze by one to update the number of gauze, and judging whether the current operation is over. Through the application, automatic recognition, positioning and counting of gauze can be realized, and the problem of gauze left in the operation process is solved.

The present invention specifically relates to an evaluation and usage method of a display device applied to color discrimination tasks. The specific steps include: S10101: Evaluating the uniformity of the brightness distribution within the display area of the display device; S10102: Evaluating the functional relationship between the hardware brightness level prompted by the display device depth and the actual screen brightness when using the display device to perform monochromatic display with any one of the three primary colors; S10103: When the display device is in use, performing data conversion on the received data for color discrimination tasks, and obtaining the hardware brightness level closest to the preset requirements; S10104: Evaluating the deviation between the actual presentation of the image and the theoretical value in terms of color brightness. In the present invention, through targeted evaluation and data conversion, the image for color discrimination tasks is accurately presented, and prompts and brightness compensation can be performed when the image presentation error reaches the specified requirements, effectively improving the accuracy of the results of color discrimination tasks, being applicable to color discrimination tasks in various environments, and having broad application prospects.

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.

1. The name of this design product: Educational Toy (Color Discrimination). 2. Purpose of this design product: The design product is an educational toy used for intellectual development and entertainment. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: refer to Figure 2 for the combined state.

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 object of the invention relates to a method of designing a colour filter for modifying human colour vision by defining the spectral transmission function of the colour filter such as to maximise colour discrimination between more than one element, colour sample, of a colour sample set when a targeted human eye, the colour vision of which is to be modified, is viewing the colour sample set with the colour filter, and at the same time such as to minimise the difference between the colour identification of the colour samples by the targeted eye and a reference eye having a reference colour vision.The object of the invention also relates to such a colour filter, such a colour filter set, and the use of such colour filter and a method for modifying human colour vision.

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.