118 results about "Color tone" patented technology

Embodiments of the present application disclose a webpage generation method and device, electronic equipment and storage medium, and relate to the technical field of computers, which can realize modification of a main color tone of a webpage. The webpage generation method comprises: in response to a webpage template loading instruction, loading and displaying a webpage template; in response to a main color tone configuration parameter input on the webpage template, configuring the main color tone configuration parameter in a cascading style sheet; in response to a webpage generation instruction, parsing document content of the webpage template to construct a document tree; parsing the cascading style sheet of the webpage template to construct a cascading style sheet object model tree; creating a rendering tree based on the document tree and the cascading style sheet object model tree; and generating a target webpage based on the rendering tree. The present application is suitable for a webpage design scenario.

An apparatus for hair inspection includes: an inspection unit that obtains, with a plurality of color lights, a color image of an inspection object board that is the printed circuit board as an inspection target; and a control device that: obtains a hue image of the inspection object board from the color image; obtains a saturation image of the inspection object board from the color image; detects first hair including at least one of brown hair and blond hair in at least the resist area of the hue image based on a hue difference of the first hair relative to the resist area; and detects second hair including at least one of black hair and grey hair in at least the resist area of the saturation image based on a saturation difference of the second hair relative to the resist area.

The invention provides an image enhancement method and apparatus, an electronic device and a storage medium. The method comprises the steps of obtaining an intensity component of a to-be-enhanced image in an sRGB color space, and an original hue component and a saturation component of the to-be-enhanced image in an HSV color space; determining a color density modulation factor, a perception hue and a saturation adaptive factor according to the intensity component and the original hue component; determining a color plane component of the image to be enhanced in the HVI color space according to the color density modulation factor, the saturation component, the saturation adaptive factor and the perceptual hue; and inputting the enhanced intensity component, the color density modulation factor, the saturation adaptive factor and the enhanced color plane component into a reverse conversion module to obtain an enhanced image in the sRGB color space, thereby effectively overcoming the inherent defects of the traditional color space in low-light image enhancement.

The present invention addresses the problem of providing, in an electrochromic element that exhibits a reversible color change between a black color and a transparent color, an oxidation-coloring-type electrochromic material, a coating material, and a color-changeable electrode which constitute the electrochromic element. The electrochromic element uses, as the oxidation-coloring-type electrochromic material, a material containing one or more nanoparticles selected from NiO, Ni2O3 and NiOOH which undergo reversible color change between a brown color and a transparent color by an electrochemical oxidation-reduction reaction, thereby exhibiting a brown color tone in an oxidized state.

This invention provides a copper adhesion inhibitor that inhibits copper adhesion to steel materials and suppresses the deterioration of the color tone of the steel material surface when pickling steel materials in a hydrochloric acid cleaning solution containing a large amount of copper ions. [Solution] A copper adhesion inhibitor for addition to a pickling solution for steel materials, characterized by comprising one or more of the following: polyallylamine, diallylamine-sulfur dioxide copolymer or a salt thereof, methyldiallylamine-sulfur dioxide copolymer or a salt thereof, dialkyldiallylammonium-sulfur dioxide copolymer, polycondensate of dicyandiamide and diethylenetriamine or a salt thereof.

The utility model discloses a kind of granular decorative ceramic artware, including base, the top of the base is equipped with pentacle ceramic artware, multiple granular decorative cover capable of emitting light and changing color are evenly installed on the pentacle ceramic artware, the granular decorative cover can be conveniently disassembled and assembled on pentacle ceramic artware, the utility model is installed in the inside of transparent granular decorative cover by LED lamp pearl, when LED lamp pearl is lighted different color, granular decorative cover also can show corresponding color, so as to be able to present different color tone under different scene, improve aesthetic sense, avoid the display color tone single of traditional granular decorative ceramic artware, aesthetic sense is poor under dark environment, simultaneously, granular decorative cover is clamped on support, and disassembly and assembly are completed by direct plug-in mode, when single granular decorative cover is damaged, it can be directly replaced, so as to improve the service life of granular decorative ceramic artware.

The application discloses a feature-consistent real face style transfer method and device for digital clothing sample display and a storage medium. The method comprises the following steps: constructing a rendering style face dataset DRFHQ; under the constraint of a face contour and a color tone, a rendering style face generator StyleGAN2-DRFHQ is obtained by fine-tuning a StyleGAN2-FFHQ generator using the DRFHQ; based on the StyleGAN2-DRFHQ, an e4e-DRFHQ encoder is obtained by fine-tuning an e4e-FFHQ encoder using the DRFHQ; a target rendering style face image is obtained from a digital clothing sample display image and is input into the e4e-DRFHQ encoder; a hidden code is obtained by inputting the target rendering style face image into the e4e-DRFHQ encoder; the hidden code is input into the StyleGAN2-FFHQ to generate a real face image; and the real face image is pasted back into the digital clothing sample display image.

The invention belongs to the technical field of magnesium-aluminum magnesium alloy surface treatment, and particularly relates to a magnesium-aluminum alloy surface yellow ceramic film layer and a color control method thereof, and the method comprises the following steps: immersing a pretreated magnesium alloy into an electrolyte containing a coloring agent, and carrying out micro-arc oxidation to generate different yellow ceramic film layers on the surface of the magnesium-aluminum magnesium alloy; the coloring agent is one or two of potassium dichromate, potassium permanganate and anhydrous cupric sulfate; by adopting the method disclosed by the invention, uniform, smooth and compact ceramic film layers with different yellow colors can be generated on the surface of the magnesium-aluminum alloy. Six ceramic film layers with different yellow colors are prepared, the cost is low, the protection function and the decoration function can be achieved, and the requirements of different application scenes are met.

1. Name of the product in this design: Color palette card for a camera-style color-grading graphical user interface of an electronic device. 2. Purpose of this design: An electronic device. 3. The key design feature of this product is its graphical user interface. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. Design 1 is designated as the basic design. 6. Purpose of the graphical user interface: The overall purpose of the interface is to open and adjust the color tone of the camera's captured images based on user operations; the local purpose of the interface is to display the color palette in the color card, allowing the user to select and save the captured color tone. 7. Human-computer interaction method of graphical user interface: In Design 1, Design 2 and Design 5, the main view is the main interface displayed by the electronic device. When the user clicks the point on the color palette in the color card at the bottom of the interface in the main view, the color tone of the captured image at the top of the interface is switched accordingly. The card area at the top of the interface is used to display the captured image. The specific interface is shown in the reference figure. In Design 3, the main view is the main interface displayed by the electronic device. When the user clicks the icon in the upper right corner of the interface in the main view, the interface will jump to the interface change state diagram 1 and interface change state diagram 2 in sequence. The card area at the top of the interface is used to display the shooting screen. The specific interface is shown in the reference figure. In Design 4, the main view is the main interface displayed by the electronic device. When the user clicks the icon in the upper right corner of the interface in the main view, the camera shooting and color adjustment function of the electronic device can be turned off. The card area at the top of the interface is used to display the shooting screen, as shown in the reference figure. In Designs 6 and 7, the main view is the main interface displayed by the electronic device. When the user clicks the circular icon in the lower right corner of the interface in the main view, the interface jumps to the interface change state diagram 1. When the user clicks "Save as preset" in the interface change state diagram 1, the interface jumps to the interface change state diagram 2. The card area at the top of the interface is used to display the shooting screen, and the specific interface is shown in the reference figure. In Design 8, the main view is the main interface displayed by the electronic device. When the user clicks on the boxed area in the color palette card at the bottom of the main view, the interface will jump to the interface change state diagram in sequence. The card area at the top of the interface is used to display the shooting screen, as shown in the reference figure. 8. Other situations requiring explanation: Other explanation: The dashed lines in the figure indicate the parts that do not require protection.

The invention relates to a magnetic color swatch apparatus for selecting and comparing hair colors. The apparatus comprises a base with a central magnet and a plurality of circular swatches, each having a magnet at its center, allowing them to attach to the base and rotate freely by magnetic force. Each swatch has multiple brushes along its perimeter, with each brush representing a different shade of the color associated with the swatch. The brushes are labeled with the corresponding shade name to provide clear identification. The apparatus enables hairstylists and clients to compare colors side-by-side by rotating the swatches and customizing color palettes as needed. The durable materials ensure color accuracy and longevity, while the magnetic system allows for flexible arrangement of the swatches, making the apparatus ideal for dynamic color visualization in salon environments.

[Object]To provide a resin-coated aluminum can lid having resin adhesiveness, corrosion resistance, and a color tone in combination.[Solving Means]A resin-coated aluminum can lid includes an aluminum base material, a surface treatment layer formed on at least one side of the aluminum base material, and a resin layer formed on the surface treatment layer. The surface treatment layer contains aluminum hydroxide, and has a Pa / Pb value of 0.14 to 3.50 when, in an infrared absorption spectrum measured by an FT-IR, a height of an absorbance peak at wavenumbers of 850 to 1000 cm−1 is defined as Pa and a height of an absorbance peak at wavenumbers of 1000 to 1200 cm−1 is defined as Pb.

A method is disclosed comprising modifying a color correction function intended to correct the initial chroma components of a current image to obtain normalized corrected chroma components to avoid clipping of the initial chroma components while maintaining saturation and preserving hue.

The application discloses a kind of based on sintering mixing material moisture on-line soft measurement method and system of multi-source information fusion, by obtaining sintering mixing material image and process variable data, based on the hue feature distribution and texture feature distribution of sintering mixing material image, establish fog concentration estimation linear model, obtain sintering mixing material image with fog concentration less than preset value, and based on the color, texture, morphological characteristics of sintering mixing material image with fog concentration less than preset value, establish sintering mixing material moisture soft measurement submodel based on image feature, according to process variable data, establish sintering mixing material moisture soft measurement submodel based on GRU, to establish adaptive sintering mixing material moisture soft measurement model, sintering mixing material moisture is measured, solve the technical problem that existing sintering mixing material moisture detection precision is low, can realize continuous high-precision sintering mixing material moisture detection, and have strong anti-interference ability, can effectively guide two mixing moisture control operation.

[Object]To provide a resin-coated aluminum seamless can having both resin adhesiveness and a color tone.[Solving Means]A resin-coated aluminum seamless can includes an aluminum base material, a surface treatment layer formed on at least one side of the aluminum base material, and a resin layer formed on the surface treatment layer. The surface treatment layer contains aluminum hydroxide, and has a Pa / Pb value of 0.13 to 3.00 when, in an infrared absorption spectrum measured by an FT-IR, a height of an absorbance peak at wavenumbers of 850 to 1000 cm−1 is defined as Pa and a height of an absorbance peak at wavenumbers of 1000 to 1200 cm−1 is defined as Pb.

This invention provides a thread-like component for hand-woven baskets that can reproduce the texture of natural materials, and a hand-woven basket made using this component. [Solution] The yarn-like member for the hand-knitted basket comprises a first yarn-like portion formed from a first material, and a second portion formed from a second material that partially covers the outer surface of the first portion. The second portion is provided at multiple locations along the longitudinal direction of the first portion at irregular intervals. The first material contains polypropylene, polyethylene, an antibacterial material, and a first pigment. The second material contains a part of the first material and a second pigment. The color tone of the second portion is different from that of the first portion.

The present invention provides a method for producing a recycled polycarbonate resin having good color tone and mechanical properties. The method for producing a recycled polycarbonate resin of the present invention includes: a step (S1) of dissolving a waste polycarbonate resin raw material in a good solvent to obtain a polycarbonate resin solution; a step (S2) of removing insoluble matter by contacting the polycarbonate resin solution with a coagulant and then removing the insoluble matter to obtain a solution (L) from which the insoluble matter has been removed; a step (S3) of precipitating the recycled polycarbonate resin by mixing the solution (L) with a poor solvent; and a step (S4) of recovering the precipitated recycled polycarbonate resin.

The invention discloses a plate-making process of a flexographic plate. The plate-making process comprises the following steps: S1, overlapping a base material to be exposed and a pattern plate, and placing the overlapped base material and pattern plate in an exposure machine; s2, the LED lamp panel is started at high power; s3, moving the LED lamp panel from the front end of the to-be-exposed substrate to the rear end of the to-be-exposed substrate in parallel; s4, the LED lamp panel waits in situ, and the power of the LED lamp panel is reduced; s5, when the color concentration of the color block is above the demarcation point, using amplitude modulation to change the size of the lattice points to express the depth of the image tone, and when the color concentration of the color block is below the demarcation point, using frequency modulation to change the distribution frequency of the lattice points in unit area to express the depth of the image tone; s6, the LED lamp panel is closed and reset, and the polymerization reaction of the to-be-exposed base material is finished; and S7, the printing plate conducts inspection type printing, the quality of a printed pattern is observed, mixed screening is achieved in a mode of combining amplitude modulation and frequency modulation, screen points are reinforced through a high-energy LED exposure machine, and therefore the high-line-number effect is achieved, and meanwhile the service life of the printing plate is guaranteed.

To record images while suppressing the degradation of image quality due to beading, etc. [Solution] The first number, which is the number of pixels that overlap between a dot arrangement having a value lower than the median of all tones in the first dither pattern and a dot arrangement having a value lower than the median of all tones in the second dither pattern, is controlled to be greater than the second number, which is the number of pixels that overlap between a dot arrangement having a value higher than the median of all tones in the first dither pattern and a dot arrangement having a value lower than the median of all tones in the second dither pattern.

A method and device are provided in which a processor of an electronic device receives an image at a neural network configured with color tone categories. The processor generates a semantic segmentation map from an intermediate representation of the image from the neural network. The processor generates a color tone segmentation map from the intermediate representation. The color tone segmentation map is segmented based on a first color tone category. The processor determines a first score for the first color tone category from the color tone segmentation map. The first score indicates a prominence of the first color tone category in the image.

A resin particle includes a fluorescent colorant and a color pigment. A hue angle of the resin particle and a hue angle of the fluorescent colorant are different from each other. When a fluorescence peak wavelength in a spectral reflectance of the fluorescent colorant is represented by A (nm), an integrated value of a spectral reflectance (%) of the color pigment in a wavelength range of from A−30 (nm) to A+30 (nm) is 2,500 or more.

An analysis apparatus acquires individual emotion data for each participant generated on the basis of face image data of the participants in an online meeting during the meeting. The analysis apparatus generates, for each participant, analysis data indicating a degree of emotion in the online meeting on the basis of the individual emotion data. The analysis apparatus stores each piece of the analysis data for each participant in association with corresponding color tone information. The analysis apparatus generates, as a display image indicating a state of the online meeting, an image in which element figures represented by the color tone information associated with the analysis data are disposed for each of a plurality of the participants who have participated in the online meeting. The analysis apparatus outputs the generated display image.

Specific syntax elements define a neural-network post-filter characteristics (NNPFC) supplemental enhancement information (SEI) message carrying information related to a tone mapping operation that can be applied as a post filter to the decoded image. This NNPFC SEI message may comprise information representative of the colour volume resulting from the tone mapping operation, information representative of characteristics of a target display and information representative of adaptation parameters, related to the adaptation of the luminance level, quality level and the energy adaptation level that result from the tone mapping operation are provided. The information representative of the colour volume resulting from the tone mapping operation may also be carried using a second SEI message. An encoding method, a decoding method, an encoding apparatus and a decoding apparatus are described.

This application relates to the field of printed image color management technology, and in particular to a method, apparatus, computer device, and medium for generating a print preview image. The method includes: obtaining a gamut factor, a white balance factor, a hue response function, and a saturation function based on the printing scheme of the image to be printed and the default printing scheme corresponding to a mapping table; obtaining a first color value for each node based on the PreviewRGB value corresponding to each node in the mapping table; determining a second color value for the node based on the product of the gamut factor and the first color value of the node; obtaining a temporary RGB value for the node based on the product of the white balance factor, the hue response function, and the PreviewRGB value; obtaining a third color value for the node based on the temporary RGB value; obtaining a fourth color value based on the saturation function and the third color value of the node; converting the fourth color value into a target PreviewRGB value to obtain an updated mapping table; and generating a print preview image based on the updated mapping table. This method can save memory.

A method for estimating tone mapping parameters is disclosed. A first tone mapping parameter representative of a white level offset is obtained (S500) for a standard dynamic range current picture. Then, the obtained first tone mapping parameter is compared (S502) with a corresponding first tone mapping parameter obtained for a previous picture. Finally, second tone mapping parameters are updated (S504, S506) for the standard dynamic range current picture responsive to the comparing, wherein the second tone mapping parameters comprise pairs of values representative of a tone mapping output fine tuning function.

The present invention relates to a hue-variable gloss film, and more specifically, the film comprises a sheet-like base film 100, a hue printing layer 200 formed on the upper surface of the base film 100, a pattern printing layer 300 formed on the upper surface of the hue printing layer 200 and having a plurality of pattern grooves 310, a pattern groove printing layer 400 printed to fill the inside of the pattern grooves 310, and an auxiliary hue portion 900 formed on the upper surface of the pattern printing layer 300, wherein the auxiliary hue portion 900 includes an auxiliary hue printing layer 800, and the hue printing layer 200, pattern printing layer 300, pattern groove printing layer 400 and auxiliary hue printing layer 800 have different refraction angles from each other.

The application discloses a color continuous-tone image method and system based on laser-induced micro-nano structures, and belongs to the field of micro-nano structure manufacturing, and comprises the following steps: performing line-by-line traversal on each pixel in a color continuous-tone image, obtaining primary color proportions and mapping to a coloring position map; based on spectral energy information of each color in the color continuous-tone image, determining basic weights of each color in the coloring position map through spectral energy normalization; utilizing the allocation relationship of the color proportions of each pixel, dynamically adjusting the basic weights to obtain a new allocation relationship, and outputting the color continuous-tone image; inputting the color continuous-tone image into a laser device, generating micro-nano structures on the surface of a base material, and reproducing the color continuous-tone image. According to the application, the weights are dynamically adjusted according to the color proportions of the pixels, the continuity of the color tone and the tone level is improved, the laser-induced micro-nano structures reproduce the complex color continuous-tone image on the surface of stainless steel, and more abundant color types and color tone levels are achieved.

The invention belongs to the technical field of metal surface treatment, and discloses a golden yellow electrolytic coloring agent with wide color gamut and high stability as well as a preparation method and application of the golden yellow electrolytic coloring agent. The golden yellow electrolytic coloring agent comprises the following components: copper salt, an oxygen-containing compound of selenium, tartaric acid, conducting salt, ammonium polyphosphate, triethanolamine, ammonium molybdate and water. According to the golden yellow electrolytic coloring agent, through the synergistic effect of all the components, the coloring stability is high, the hue is full, a series of golden yellow colors from light to dark can be obtained, and the color fixing property and the weather resistance are good.

[Technical Problem] To provide a rosin phenolic resin composition with good color tone. [Technical Means] A rosin phenolic resin composition comprising a rosin phenolic resin as a reactant of rosin (A) and phenol (B), and at least one compound (C) selected from the group consisting of xanthones, thioxanthones, acridinones and anthrones.

The application relates to the technical field of ancient building color style migration, in particular to an ancient building color main tone determination method based on a weighted average method, which comprises the following determination steps: obtaining a digital image after digital processing of an ancient building facade image; removing non-building wall color carriers in the digital image to obtain a wall image; extracting hue values, chroma values, lightness values of each color in the wall image and area ratios of each color in the wall image, and storing the values in a database; inputting data in the database into a contrast algorithm model to solve hue contrast, chroma contrast and lightness contrast in the wall image; and selecting a color meeting selected requirements from the database as an ancient building color main tone based on the hue contrast, the chroma contrast and the lightness contrast; the application can accurately determine the main tone in ancient building colors.

The application relates to a display color temperature synchronous control method and system for a multi-screen cooperative scene, which comprises the following steps: collecting main color tone information of each display and ambient light color temperature data in real time, and identifying a dominant display; constructing a joint color temperature reference parameter containing a target color temperature reference value based on the data and the color temperature state of the dominant display; comparing the current color temperature of a non-dominant display with the reference parameter to generate a step-by-step adjustment instruction sequence; rearranging the instruction time sequence in combination with the response delay characteristics to form a synchronous execution scheduling table; and sending a control signal according to the scheduling table to maintain the state of the dominant display to realize color temperature synchronization. The method realizes high-precision cooperative control of multi-screen color temperature, improves scene adaptability and visual experience, and is suitable for various multi-screen cooperative scenes.