52 results about "Color transition" patented technology

The invention discloses a multi-scale three-channel state space algorithm based on a Retinex theory, and relates to a multi-scale three-channel state space algorithm. The invention aims to solve the problems of poor detail, brightness and texture information of a shot image in a dark environment and unnatural color transition of a local area of the image. The method comprises the following steps: step 1, inputting a dark light image I, and averaging in a channel dimension to construct illumination prior information Lp; 2, estimating an illumination feature map Flu and an illumination map L through an illumination estimator, and constructing an illumination image Ilu; 3, processing the illumination image by using an illumination restorer to generate an illumination recovery image Iir; and step 4, generating an enhanced image Ien by using the illumination recovery image Iir and the illumination image Ilu. The invention belongs to the technical field of computer vision.

The invention provides a color filling method and electronic equipment, a first interface is displayed, the first interface comprises a first area and a second area, the color of the first area is a first color, the color of the second area is a second color, and the junction of the first area and the second area comprises M colors, the M colors are different from the first color and the second color; determining P colors according to the second color, the third color and one or more colors in the M colors in response to an operation of filling the second area with the third color by the user; the second color is replaced by the third color, one or more colors in the M colors are replaced by the P colors, and the new color of the junction is determined according to the color to be filled, the color of the seed point and the color of the junction, so that on the basis of ensuring the filling effect, the color transition can be better performed, the sawtooth feeling is reduced, and the filling efficiency is improved. And the drawing experience of the user can be improved.

The invention provides a printing quality detection method and system, a medium and a product, and relates to the technical field of printing. The method comprises the following steps: establishing a corresponding relation between a target printing result and an actual printing result by acquiring standard image data and printed finished product image data; dividing image data by using a region recognition model, extracting key regions (such as characters, complex patterns and color transition contents) and non-key regions (such as pure color, background and blank contents), and ensuring that pixel coordinate ranges of the key regions and the non-key regions are in one-to-one correspondence; and further calculating the similarity between the key area and the non-key area through a printing similarity matching model, and carrying out weighted calculation to obtain the comprehensive similarity. And finally, accurately judging whether the printing quality is qualified or not by comparing the comprehensive similarity with a preset threshold value. The high-precision and differentiated detection of the printing quality is realized, and the accuracy, objectivity and efficiency of the printing quality detection are improved.

According to the lead-zinc ore sorting method and the electronic equipment, in the preprocessing stage, an obtained raw ore high-energy diagram is registered with a low-energy diagram as the benchmark, physical response difference measurement is adopted, the low-energy diagram and the registered high-energy diagram are fused to obtain a fusion diagram, the fusion diagram is colored according to a color transition rule, a pseudo-color diagram is obtained, and a lead-zinc ore sorting result is obtained. And the pseudo-color image is used as input, and a target detection model based on deep learning is used for processing, so that accurate and efficient recognition of the lead-zinc ore in the raw ore is realized.

The invention relates to the technical field of display screen color correction, and provides a film and television shooting LED display screen color correction method and system, and the method comprises the steps: obtaining a real-time video stream from a camera; generating color priority region identification information based on the real-time video stream; setting a corresponding target reference color for the identified color priority area; acquiring pixel data of the color priority area from the real-time video stream according to the color priority area identification information; comparing the pixel data of the color priority area with a target reference color to obtain a color deviation; generating a local color compensation scheme according to the color deviation; performing color transition processing on the non-priority area by using a local color compensation scheme to obtain an input signal sent to the LED display screen; and applying the local color compensation scheme to an input signal in real time so as to realize color correction of the LED display screen. The method has the advantages that the picture reality sense and the manufacturing efficiency are improved.

The invention relates to liquid sanitizing and / or disinfecting compositions comprising an active agent, an indicator compound, an acid, and a solvent. The compositions may be applied to a surface by spraying or transferring from cleaning article, in order to eliminate pathogens on the surface. The indicator compound may comprise a dye such as a cyanine dye, which provides a color to the composition and has at least one absorption maxima in the visible region. Once applied to the surface, the composition undergoes a color transition and becomes colorless.

The application discloses a high-contrast MiniLED control method, system and medium, relates to the technical field of MiniLED display control, and ensures the uniform distribution of luminosity on the screen by subdividing luminosity data and adjusting the luminosity data on the adjacent boundary line; meanwhile, the precision adjustment of the luminosity color difference avoids unnatural color transition or obvious color difference problems; finally, the luminosity regulation model can realize more accurate luminosity coordinated transition, the display effect is more real and delicate, and a plurality of display scenes can be adapted; the whole realizes accurate control and optimization of the luminosity of the MiniLED backlight area; each link solves the problems of luminosity unevenness, color distortion and unnatural brightness transition that may occur in display in different dimensions, especially plays a key role in reducing the halo effect.

The utility model relates to the technical field of indication boards, in particular to a temperature-sensitive color-changeable temperature indication board which comprises a positioning seat and an auxiliary mechanism, the auxiliary mechanism comprises an adjusting screw rod, a mounting support, an upper nut, a lower nut, an indication board body and a guide device, and a wood material layer is fixedly adhered to the front side of the indication board body. The wood material layer consists of a wood material main body and a thermochromic agent which is immersed and retained in pores of the wood material, and the thermochromic agent can be reversibly converted from one preset color to another preset color along with the change of temperature in a preset temperature interval; when in use, the wood material layer can change color intelligently along with the change of the ambient temperature so as to indicate the temperature of the external environment, and compared with the mode of knowing the change of the air temperature through weather forecast, telephone query, network query and the like of television relaying, the method is simpler, more convenient and quicker, and more accurate in data; therefore, the temperature data can be monitored more conveniently and accurately.

A device for optically scanning surfaces and capturing surface profiles is proposed. For error correction (color edge effect), the evaluation unit is designed to compensate for local brightness gradients and color differences of a surface that is not homogeneous with respect to its optical scattering and reflection properties, so that these are not evaluated as changes in distance or surface profile. The evaluation unit is designed to capture the cross-sectional profile of the line and to detect any asymmetrical deviation of the cross-sectional profile from the Gaussian shape, interpreting it as a color difference and / or brightness gradient, and / or disregarding it for calculating distances or the surface profile, and / or replacing and correcting it with a substitute cross-sectional profile.

The application discloses a lamp control method and device and a storage medium. The lamp comprises a plurality of light emitting units arranged in an array, and the plurality of light emitting units are divided into a plurality of light emitting assemblies. The method comprises: controlling the plurality of light emitting assemblies to sequentially perform color gradient at a preset time interval; during the color gradient process, controlling the light emitting assembly to be converted from a current color to a target color through at least one transition color, and the time interval of the conversion is the preset time interval; and the color control parameter of the transition color is associated with the color control parameter of the current color and / or the target color. The application can enrich the color transition effect, improve the smoothness of color transition, and improve the user visual experience.

The present invention belongs to the field of 3D printing technology, and specifically relates to an efficient multi-color printing system control method suitable for 3D printing, comprising obtaining three-dimensional model data containing multiple color information, dividing the data into multiple slices, and pre-loading pigment into the print head according to the color distribution of each slice. During the printing process, the color distribution consistency is monitored in real time, and the position of the print head and the amount of pigment are adjusted when a color deviation is detected. After completing the printing of one slice, the pigment loading scheme is updated according to the adjustment result until all slices are printed. Finally, the color reproduction quality is evaluated by comparing the finished product with the original data. This method significantly improves printing efficiency, enhances the naturalness of color transitions, and improves color reproduction, thereby significantly improving the overall performance of multi-color 3D printing.

A computer-implemented method for generating a color 3D model for a dental restoration. The method receives color information, a color distribution map, and shape for a tooth. The color information is assigned to the color distribution map. The color information and the color distribution map are then combined with the shape to generate a digital color 3D model. The resulting 3D model includes volumes for different color materials for the restoration to provide for color transition zones, which can be 3D printed from the 3D model to made a corresponding restoration.

The invention provides a wide-color-gamut electrochromic device based on a single material and a method for solving the problems that an existing electrochromic display is single in color, complex in structure and high in cost. A traditional device is limited in color, a complex structure or heterogeneous material combination is needed for achieving a wide color gamut, and preparation is difficult. Similar defects also exist in a sub-pixel-based structure. The core of the invention is that a functional layer is constructed by using a Prussian blue material, and wide two-dimensional color gamut regulation and control are realized in a simplified architecture through an innovative device structure and a driving strategy. The key breakthrough is that six reversible and clear color changes (transparency, blue, green, blue-green and the like) are realized by using a single material. Compared with the prior art, the color gamut can be remarkably widened, multicolor reversible switching can be achieved, the potential difference between different states of the electrode is utilized, the spontaneous color changing capacity is achieved, continuous external electric field driving is not needed, and the advantages in the aspects of simplifying a material system and reducing the preparation difficulty and cost are remarkable.

The invention discloses a non-linear correction method and system for radiation brightness of a remote sensing sequence image. The method comprises the following steps: S1, carrying out ground object classification on a remote sensing image to extract ground object pixels with the same name; s2, constructing a nonlinear model based on local consistency constraint so as to eliminate local radiation difference between the images; s3, establishing a global constraint for keeping the statistical characteristics of the whole image set unchanged so as to ensure the overall radiation fidelity of the image and avoid tone drift; and S4, solving an optimization model jointly formed by local and global constraints, obtaining correction coefficients of all the images, and completing correction. The method is suitable for automatic production of large-scale, multi-source and multi-temporal remote sensing image mosaic products, complex non-linear radiation differences can be effectively processed, the generated mosaic products are natural in visual effect and smooth in color transition, and excessive correction of radiation brightness and overall hue drift are successfully avoided while color balance is achieved.

The application discloses an automatic curved surface projection correction splicing method, first, a network camera driving module is run, file mapping technology is used to transmit image information with a main program, then a curtain calibration point is recognized according to a specific color. After that, through an iterative method, in each round of iteration, a core algorithm is used to update distortion parameters according to a projection calibration diagram collected by a camera until a termination condition is reached and then the method is stopped. Finally, according to the distortion parameters obtained through iteration, a final corrected image is obtained. After distortion correction, taking an intermediate channel image as a reference, an iterative splicing correction method is used in left and right channels to complete splicing correction. Finally, in order to eliminate the bright band caused by splicing, color transition is performed on the image. The application does not depend on the accurate position relationship between the camera and the projector, the model can automatically iterate to complete distortion correction and splicing work, and manual participation is not needed, so that the problems of low precision and long time consumption in manual correction are solved, and the application has good correction, splicing and color transition effects.

The application relates to a residual breathing lamp method for new energy charging, and relates to the technical field of man-machine interaction of new energy vehicles, and comprises the following steps: S1, current power information and current charging mode information of a power battery are acquired in real time; and S2, target color parameters and reference brightness parameters are calculated based on the current power information through a preset color mapping model. According to the application, the power of 0%-100% is continuously and steplessly mapped into color gradation from red to green through a high-precision color mapping model, and 65536-order smooth color transition is realized by means of 16-bit PWM control technology, so that subtle power changes can also bring delicate and soft visual feedback. Meanwhile, the method integrates an adaptive intelligent adjustment function: the rhythm of the breathing effect dynamically changes according to different modes such as fast charging and slow charging, and the charging speed is vividly reflected; and the display brightness is automatically adjusted according to ambient light, so that the display is not dazzling in dark light and is clearly visible in strong light.

The invention provides an image processing method and device, electronic equipment and a storage medium. According to the method, an initial makeup trying image is generated through a first generation model, and the first generation model is formed by loading an actor feature adaptation module and a clothing feature adaptation module to a pre-trained image generation model according to different weight proportions; performing local redrawing on a face region in the initial makeup trying image to obtain a redrawn face region; fusing the redrawn face region with an initial makeup trying image to generate an intermediate makeup trying effect picture; performing color migration processing on a face region in the middle makeup trying effect picture based on face region color features of the initial makeup trying image; and fusing the face region subjected to color migration processing with the middle makeup trying effect picture to generate a target makeup trying effect picture. Therefore, the skin color difference caused by independent training of the feature model is fundamentally bridged, and perfect color transition between the face and the body area is realized.

The application discloses a backlight driving method, a backlight driving device and a display device, relates to the technical field of picture display, and is applied to a display device with a backlight source and comprises the following steps: acquiring image data to be displayed by a backlight partition in the display device, wherein the image data contains luminance values of color channels; determining a target color channel with a non-zero luminance value in the image data; adaptively selecting a target driving mode from a plurality of backlight driving modes according to a target number of the target color channel; and converting the luminance values of the color channels into driving signals for driving the backlight source to emit light based on the target driving mode. The application improves the display color gamut while ensuring the naturalness of color transition, and optimizes the display effect as a whole.

This application provides a method and system for optimizing 3D modeling of anime characters for 3D printing. First, a 3D model of the target anime character is constructed and partitioned into multiple color blocks. Then, the specular features of each color block are extracted, and chromaticity compensation is performed on the specular features of each color block based on the reflectivity of the printing material within that color block, resulting in a chromaticity compensation value for each color block during model rendering. The color transition loss during model rendering is determined based on the hue differences between adjacent color blocks in the 3D model and the color gamut characteristics at the boundaries of different printing materials. The confidence constraint for the color of each color block is determined using the color transition loss and the chromaticity compensation value during model rendering. Finally, the 3D model's color rendering is optimized based on all confidence constraints. Using the scheme of this application, rendering optimization of color deviations in anime character models can be achieved.

A system is configured to control one or more light sources for rendering a light scene (81,86) associated with multiple colors. The system determines a current color (82,87) rendered by each light source, which is part of the set of colors. It also identifies a next color (83,88) to be rendered by the light source, also included in the set of colors. Additionally, the system calculates the color difference between the current and next colors and establishes a transition duration (84,89) based on this color difference. Finally, the system controls the light source to execute the transition between the current and next colors within the specified duration and subsequently render the next color.

The present disclosure generally relates to user interfaces for managing audio exposure, particularly user interfaces and techniques for managing audio exposure using a computer system (e.g., an electronic device). According to some embodiments, the electronic device displays a graphical indication of noise exposure levels over a first period of time, where an area of the graphical indication is colored to represent the noise exposure levels, the color of the area transitioning from a first color to a second color when the noise exposure levels exceed a first threshold. According to some embodiments, the electronic device displays noise exposure levels attributable to a first output device type and a second output device type, and in response to selection of a filter affordance, visually distinguishes a set of noise exposure levels attributable to the second output device type.

The invention discloses a gradient color diaphragm for a liquid crystal display screen and a production process of the gradient color diaphragm, and relates to the technical field of liquid crystal display screens. Gradient coating preparation and micro-gravure dynamic feeding and coating are utilized, color transition is fine and natural, light scattering is optimized through nanometer titanium dioxide, the acrylic resin is matched, the light transmittance of the diaphragm is not lower than 85%, the brightness of a display screen is guaranteed, the base layer is subjected to rough treatment and matched with the optional bonding layer, the interlayer adhesive force is remarkably enhanced, the film layer is prevented from falling off, and the service life of the display screen is prolonged. The protective layer adopts UV curing resin and is added with an anti-ultraviolet agent, so that ultraviolet aging is effectively resisted, the scratch resistance is good, the micro gravure coating ensures uniform drying of the coating through precise control of the coating thickness and multi-temperature-zone drying in cooperation with horizontal airflow, the process stability is high, the repeatability is high, and the large-scale production requirement can be effectively met; color gradient is ensured to be matched with display logic driven by the thin film field effect transistor, and the overall display effect is improved.

The invention relates to the technical field of illumination control, in particular to an MCU-based high-end illumination multi-channel gradient color mixing control system, and aims to solve the problem of discontinuous color transition caused by energy overlapping interference and time domain brightness change rate jump of a multi-channel PWM signal in a frequency domain. The system comprises an MCU module, a multicolor LED channel, a brightness detection sensor and a power supply driving unit. A frequency spectrum estimation module and a brightness change rate calculation unit are integrated in the MCU, channel dominant frequency is analyzed through FFT, the frequency is dynamically and finely adjusted to decouple interference, and meanwhile the duty ratio change step length is limited based on brightness feedback to achieve smooth output. Through the mechanism, the dual color continuity in the CIE chromaticity space and time dimensions is realized.

Systems and methods are presented for operating a self-propelled device. In examples, an indication of a surface color on which the self-propelled device operates is received from one or more optical sensors. A color transition from a first color to a second color may be determined based on the received indication. Based on the determined color transition, an activity may be determined. For example, an activity may cause the self-propelled device to move, emit a sound, or illuminate a light, such as an LED. The determined activity may then be performed. In some examples, a hysteresis band may limit the effects of noise and other variations in the color signal. Accordingly, a color transition may occur when color values associated with the surface color indicated are within a first area but not within a second area.

The present application provides a color filling method and an electronic device. The method comprises: displaying a first interface, wherein the first interface comprises a first area and a second area, the color of the first area is a first color, the color of the second area is a second color, the junction of the first area and the second area comprises M colors, and the M colors are different from the first color and the second color; in response to a user's operation of filling the second area by using a third color, determining P colors on the basis of the second color, the third color and one or more colors among the M colors; and replacing the second color with the third color, and replacing one or more colors among the M colors with the P colors. Since new colors at a junction are determined on the basis of a color for filling, a seed point color, and original colors at the junction, smoother color transition can be achieved while ensuring the filling effect, thereby reducing aliasing artifacts and enhancing user experience in painting.

The invention discloses a special effect color conversion method. The method comprises the following steps: receiving a color conversion request for a special effect object; wherein the color conversion request carries a target color, and the target color comprises black white and color; for each emitter in the special effect object, extracting a plurality of current colors from the emitter and a map associated with the emitter, and determining a plurality of mapping color values according to the plurality of current colors and the target color; and updating the current color of the corresponding emitter according to the plurality of mapping color values, and displaying the emitter according to the updated current color, thereby solving the problems of unnatural color transition and distorted visual effect in a special effect color conversion process in related technologies, and improving the user experience. The color of each emitter is intelligently mapped and updated according to the target color, the black and white or color special effect is efficiently presented, and the visual performance and interaction flexibility are enhanced.

The application provides a dynamic HSV dimming control method and system based on local input and a lighting device, comprising collecting original brightness values and original color temperature values from a local input device; converting the original color temperature values and the original brightness values into a first hue component and a first lightness component respectively; performing weighted smoothing based on a history buffer on the first hue component and the first lightness component to obtain a smoothed hue value and a smoothed brightness value; calculating a dynamic speed factor according to a change rate of the first hue component and adjusting an interpolation speed; interpolating the smoothed hue value and the smoothed brightness value respectively to obtain a second hue component and a second lightness component; converting the second hue component, a saturation component and the second lightness component into RGB values; switching a target mode according to a user instruction, and generating a PWM signal for driving multiple LED channels based on the target mode and the RGB values. The application can solve the problems of non-intuitive adjustment, non-following response, harsh color transition and mode switching jump in the prior art.

This invention relates to the field of color printing technology, and discloses a color optimization printing method suitable for offset paper. The method includes: converting the ink droplet diffusion process into a linear operator based on a diffusion kernel to form a continuous image after diffusion; defining an objective function; and alternately solving the continuous image and the objective function to output a first matrix. This invention establishes partial differential equation constraints based on measured diffusion kernels and anisotropic parameters, ensuring that the ink volume predicted by the neural network strictly follows the actual diffusion law. Furthermore, by increasing color channels, more layers of ink dots can be superimposed, achieving smoother color transitions. Simultaneously, it expands the color gamut, allowing precise control of ink dot distribution in each region, ensuring clear strokes and rich colors in tiny characters, vividly reproducing image textures, shadow gradations, and other details, achieving smoother skin tone transitions and metallic texture representation. This method is suitable for industrial-grade high-speed printing and one-pass paper printing scenarios.

The present application relates to the technical field of dental material, and discloses a triple gradient zirconia material for crown production, which is a three-layer structure zirconia ceramic with strength gradient and color gradient characteristics, comprising a cervical margin layer, an intermediate layer and a cutting end layer, the bending strength of the cervical margin layer is 1200MPa, the bending strength of the intermediate layer is 1100MPa, and the bending strength of the cutting end layer is 670MPa, and the cervical margin layer, the intermediate layer and the cutting end layer are continuously transitioned, the overall color gradient range of the material covers A1 to D4 color numbers and contains three bleaching color transitions; through the design of the three-layer zirconia structure with strength gradient and color gradient, the crown restoration can simultaneously simulate the mechanical properties and aesthetic characteristics of natural teeth, ensure the mechanical strength requirement of the restoration in the area with larger stress, and realize the natural color transition in the aesthetic sensitive area.

The utility model relates to a compact color mixer, and belongs to the technical field of stage lighting. The compact color mixer comprises a substrate, and two groups of color filtering assemblies, a rotating disc, a color sheet disc, a transmission mechanism and a magnetic induction positioning assembly which are mounted on the substrate, the substrate is used for a white light transmission channel, each color filtering assembly comprises at least two coaxially stacked color filters and is used for gradient dynamic color mixing, the rotating disc is used for realizing light and shadow cutting, and the magnetic induction positioning assembly is used for positioning the rotating disc. The color chip disc is coaxially integrated at the top of one group of color filtering assemblies and used for rendering pure-color lamplight, the transmission mechanism and the magnetic induction positioning assembly respectively drive and position all rotating parts, and the precision of multi-axis cooperation is ensured. According to the scheme provided by the utility model, through the coaxial laminated color filtering assembly, magnetic induction closed-loop positioning and cooperative driving of multiple transmission mechanisms, the problems of large size and non-uniform color mixing caused by positioning deviation of a traditional color mixer are solved, and the effects of compact structure and high-precision color transition of the color mixer are realized.