33 results about "Color solid" patented technology

The invention provides a dynamic polarization three-dimensional imaging system, which relates to the technical field of anti-counterfeiting encryption and comprises a light source, a polarization film and a color three-dimensional imaging module which are sequentially arranged along a light path, the light source is used for providing visible band incident light; the polarizing film is configured to transmit TM polarized light when rotating 0 degree and transmit TE polarized light when rotating 90 degrees; the color three-dimensional imaging module comprises a micro lens array, a transparent spacing layer and a micro image-text array which are sequentially arranged along a light path; the micro image-text array comprises a metal coating layer, a grating layer and a glass substrate which are stacked from top to bottom, wherein the grating layer forms a Fabry-Perot-like microcavity resonance structure; the polarization state of the incident light is switched by rotating the polarization film, so that the stereo image of the micro image-text array is dynamically switched among an appearing state, a hiding state or a color changing state. According to the invention, wide-color-gamut and dynamically-adjustable color stereo imaging is realized, and the complexity and the identifiability of anti-counterfeiting encryption are improved.

The invention relates to the technical field of color modeling, in particular to a color allocation method and system based on an Oussi color three-dimensional gridding model. According to the method, the color samples are converted into the three-dimensional coordinates, RGB information and a color space conversion formula are combined, accurate positioning of the three-dimensional color grids is achieved, and reliable data are provided for color matching and process optimization; according to the method, the experimental data is modeled through the multi-task learning model, the chromatic aberration and the color fastness are optimized at the same time, so that accurate control over color blending is achieved, the joint loss function and the dynamic weight distribution mechanism are introduced at the same time, the performance and adaptability of the model are further improved, and the optimization process is more efficient and stable. Besides, the particle swarm optimization algorithm is adopted to optimize the process parameter combination, the individual optimal position and the global optimal position of particles are dynamically updated, it is ensured that the optimal parameter combination is rapidly converged in multiple iterations, and finally more accurate color allocation and more efficient process efficiency are achieved.

The invention provides a preparation method of a multicolor three-dimensional anti-counterfeiting film and the multicolor three-dimensional anti-counterfeiting film. The preparation method comprises the following steps: preparing a micro-lens layer on one side of a substrate layer; carrying out the following steps on the other side of the substrate layer: selecting image-text structure layer molds with corresponding colors according to the sequence, preparing corresponding image-text structure layers, and filling ink with corresponding colors; the operation is repeated until preparation of all the image-text structure layers is completed; the preparation method of the color image-text structure layer mold comprises the following steps: designing a true-color three-dimensional real object image, and extracting a corresponding color channel from the true-color three-dimensional real object image according to the color of a color image-text structure layer to obtain a single-color three-dimensional real object image; presetting parameters; correcting the two-dimensional image according to preset parameters to obtain an image-text under the micro-lens layer; and overlapping the image-text to obtain a front view of the color image-text structure layer. According to the preparation method and the multicolor three-dimensional anti-counterfeiting film, the imitation difficulty of the anti-counterfeiting film is enhanced, and the problem that the anti-counterfeiting film is easily copied and counterfeited is avoided.

The invention discloses a color three-dimensional image zero-watermark processing method based on eight-element matrix factorization, which comprises the following steps of: firstly, cutting square invariant feature region images at the centers of left and right viewpoints of a three-dimensional image, and carrying out non-subsampled dual-tree complex wavelet transform on the invariant feature region images in different channels; averaging the four low-frequency sub-bands obtained by each channel image to obtain a low-frequency mean sub-band, then performing block scrambling on the low-frequency mean sub-band from each channel, selecting a part of sub-blocks to construct an octuple matrix, and performing real number field octuple singular value decomposition on the octuple matrix; obtaining a maximum singular value matrix and then binarizing the maximum singular value matrix to obtain a robust binary feature matrix; and finally, carrying out XOR on the binary watermark which is scrambled and encrypted by the four-wing chaotic system and the cyclic code and the robust binary feature matrix to obtain a zero-watermark image. Before watermark authentication, a KAZE matching algorithm is used to correct left and right viewpoints of a to-be-authenticated stereo image. The method has relatively high robustness on common non-geometric attacks and geometric attacks.

The invention discloses a shallow groove type image-text structure, a colored three-dimensional image nano printed product and a preparation method of the colored three-dimensional image nano printed product. The shallow groove type image-text structure comprises a base material layer, at least one hydrophobic image-text layer and a nano pigment layer, the hydrophobic image-text layer comprises at least one image-text unit, the image-text unit comprises a plurality of micro-nano structures, and the micro-nano structures are grooves, or grooves are formed in the micro-nano structures, or grooves are formed in gaps between the adjacent micro-nano structures; a groove is formed in the substrate, a nano pigment layer is arranged in the groove, the nano pigment layer comprises nano pigment particles, and the nano pigment particles are bonded with the surface of the groove through Van der Waals force to form interface adsorption for presenting colors. Due to the interface adsorption, the groove does not need to be filled, the use of materials is reduced, and meanwhile, the interface adsorption firmness is higher, so that the shallow groove type groove can be made, and the thickness of the hydrophobic image-text layer is smaller. And the nano pigment particles instead of printing ink are used, so that the use of an organic solvent is avoided, the risk of environmental pollution is reduced, and the requirement of sustainable development is met.

This utility model provides a fade-resistant 3D number plate for overhead power line towers, relating to the field of line number plates. The fade-resistant 3D number plate includes a mounting plate with multiple sets of through holes on its surface. These through holes form the information to be displayed on the mounting plate. Color bars are inserted into the through holes, protruding from the mounting plate and extending to its front. This fade-resistant 3D number plate for overhead power line towers, by setting multiple through holes in different positions to form the information to be displayed, and by placing color bars inside the through holes, displays the information through color contrast between the color bars and the mounting plate. Even if the color bars are worn away by wind and sand, exposing the internal material, the internal material remains the same color as the color bar itself, thus achieving a fade-resistant effect.

The present invention provides a frog identification method and system based on image processing, including obtaining a color image of a frog to be identified and constructing a 3D color standard model; extracting features to obtain an identification feature group; binding the identification feature group to an identification code; obtaining a color image of the frog to be identified and constructing a 3D color entity model; comparing and analyzing the 3D color entity model with all 3D color standard models in turn; if the result of the comparison and analysis exceeds a preset matching threshold, the 3D color entity model is determined to be the same as the 3D color standard model, and the identification code of the 3D color standard model is assigned to the frog corresponding to the 3D color entity model. Since the surface patterns of frogs change little during their growth, and different frogs have different surface patterns, different frogs can be distinguished by analyzing the surface images of frogs, and the frogs can be identified without harming them, thereby solving the problem that the existing frog identification methods cause great harm to frogs.

The application provides a multi-color LED chip and a manufacturing method thereof. A first reflection layer, a first type limiting layer, an active region, a second type limiting layer, a composite current spreading structure and an ohmic contact layer are sequentially stacked on a substrate surface. The composite current spreading structure comprises a current spreading bottom layer, a second reflection layer, a third reflection layer and a current spreading top layer which are sequentially stacked along a first direction. Light waves reflected by the first reflection layer, the second reflection layer and the third reflection layer are sequentially reduced to realize a multi-color three-dimensional display effect of a single LED chip. Based on this, the wavelength bands reflected from the bottom surface of the light-emitting epitaxial structure are gradually reduced, and the light-emitting epitaxial structure surface is effectively prevented from emitting light downward to the active region to reduce light loss, and the lateral current spreading of the light-emitting epitaxial structure surface can be realized.

The present application discloses a kind of shallow slot type graphic structure, a kind of colored stereoscopic image nano printing product and its preparation method.A kind of shallow slot type graphic structure includes: substrate layer, at least one hydrophobic graphic layer, nano pigment layer;The hydrophobic graphic layer includes at least one graphic unit, the graphic unit includes a plurality of micro-nano structures, the micro-nano structure is groove, or the micro-nano structure is provided with groove, or adjacent the micro-nano structure gap forms groove;Nano pigment layer is arranged in the groove, and the nano pigment layer includes nano pigment particles, the nano pigment particles are bonded with the surface of the groove by Van der Waals force, form interface adsorption, for presenting color.Due to interface adsorption, the groove does not need to fill, reduce the use of material, while the firmness of interface adsorption is greater, so shallow slot type groove can be made, and the thickness of hydrophobic graphic layer is smaller.And use nano pigment particles, rather than ink, avoid the use of organic solvent, reduce the risk of environmental pollution, meet the requirements of sustainable development.

The invention discloses a same-screen stereoscopic display method and device for multiple independent viewpoints. Grouping the image sequence by taking n moments as a group, wherein each moment comprises a pair of left and right eye images; in an image space domain, based on a light splitting stereo display technology or a color separation stereo display technology, a pair of L and R images is packaged into an image with left and right eye image information, a corresponding index table is established, and a packaged data packet is sent to a display terminal; the processed images are displayed on a display terminal according to a time sequence, shutters of different stereo glasses are controlled according to index table information, it is required that the left and right lens shutters of the stereo glasses of the viewpoint are opened only when the images needing to be watched at the corresponding viewpoint are played, and finally the images are packaged according to corresponding packaging rules. And splitting L and R images at a stereo glasses end in an image space domain, so that a plurality of independent viewpoints can obtain respective independent and different left and right eye images on the same playing screen, and respective independent stereo vision is formed.

The application discloses a color matching method and system based on an Ostwald full-color gamut color mixing model, belongs to the field of color matching theory, color model construction, and color design methods and application development technology in the textile field, and discloses the following technical scheme: taking actually obtained red, yellow, green, blue, the highest brightness gray and the lowest brightness gray as the basis, an Ostwald color solid that can be applied to actual industrial design is constructed, and the traditional 24 color phases are broken through, and the Ostwald color solid can be flexibly applied to different color design scenes; in addition, in the grid model of the Ostwald color solid, the grid point position corresponding to each color is directly related to the mixing concentration ratio of black, white and pure color pigments required for matching the color, so that a designer can directly obtain the proportion of each pigment from the model to obtain a target color when matching colors, and therefore, the design efficiency is greatly improved.

The present invention relates to the field of color modeling technology, specifically a color matching method and system based on an Ostrich color three-dimensional grid model. The present invention converts color samples into three-dimensional coordinates, combines RGB information and color space conversion formulas, realizes accurate positioning of three-dimensional color grids, and provides reliable data for color matching and process optimization; the present invention models experimental data through a multi-task learning model, optimizes color difference and color fastness at the same time, thereby achieving accurate control of color matching, and introduces a joint loss function and a dynamic weight allocation mechanism, further improving the performance and adaptability of the model, making the optimization process more efficient and stable. In addition, the present invention uses a particle swarm optimization algorithm to optimize the process parameter combination, and by dynamically updating the individual optimal and global optimal positions of particles, it ensures rapid convergence to the optimal parameter combination in multiple iterations, and ultimately achieves more accurate color matching and more efficient process efficiency.

The present invention relates to the field of silicone product processing technology, and specifically to a two-color three-dimensional silicone label production process, comprising the following steps: step (1): calendering a first color silicone label layer on a first release paper, then hollowing out the first color silicone label layer, with an edge roughness Ra of 0.3-0.6 μm, removing hollowed-out debris, coating with a silane coupling agent solution, and allowing to stand to obtain a first layer; step (2): filling and calendering a second color silicone filling layer in the hollowed-out area of ​​the first layer, and then vulcanizing at 145-155°C for 4-6 minutes to obtain a second layer; step (3): in a constant temperature and humidity environment, laminating a TPU hot melt adhesive film on the surface of the second layer, and applying a second release paper protective layer to obtain a two-color three-dimensional silicone label. This solution will provide components, and through multiple processes, collaboratively solve the aging and delamination problem of a multi-material composite system at the thermodynamic and kinetic levels; a two-color three-dimensional effect is obtained through multi-layer calendering and hollowing technology.

The present invention discloses a multi-color stereoscopic dynamic image anti-counterfeiting card and a preparation method thereof. The anti-counterfeiting card provided by the present invention comprises a base layer, a first endorsement layer arranged on one side of the base layer, a first composite layer arranged on the first endorsement layer, a second endorsement layer arranged on the other side of the base layer, and a second composite layer arranged on the second endorsement layer; the preparation method provided by the present invention prepares the first composite layer, prepares the second composite layer, heats and laminates the first composite layer, the first endorsement layer, the base layer, the second endorsement layer, and the second composite layer to obtain an anti-counterfeiting card that can be endorsed. The texture of the anti-counterfeiting card can achieve dynamic, embossed and other highly glossy multi-color stereoscopic dynamic image effects through precision photolithography, and has a good anti-counterfeiting effect; the double-sided arrangement of the anti-counterfeiting card has a compact and precise microstructure anti-counterfeiting effect, which can achieve more effective anti-counterfeiting and improve the expressiveness of the anti-counterfeiting card.

The invention relates to the technical field of nano synthetic materials, and discloses a synthesis method of matrix-free blue-green double-color solid-state fluorescent carbon dots and application of the matrix-free blue-green double-color solid-state fluorescent carbon dots in LED and fingerprint detection.The blue-light seed carbon dots (S-CDs) are synthesized through 1, 2, 4-benzene tricarboxylic acid and urea, and the blue-light seed carbon dots (S-CDs) are obtained through H2O2 oxidation and NaOH treatment; green light (G-CDs) and strong blue light carbon dots (B-CDs) with quantum yields respectively increased by 35 times and 75 times are successfully prepared. Research reveals regulation and control effects of quantum size effect and surface state change on fluorescence color and quantum yield, and hydrogen peroxide and sodium hydroxide treatment improves photoluminescence performance of CDs by changing surface groups and destroying hydrogen bonds. The synthesized G-CDs and B-CDs have the advantages of strong fluorescence, light bleaching resistance, good light stability, low cost, simplicity and convenience in synthesis and the like, can be combined with commercial red fluorescent powder to prepare a white light LED (light-emitting diode) with high color rendering index and proper color temperature, and is suitable for indoor illumination. In addition, B-CDs and G-CDs are used as fluorescent markers, so that the accuracy and reliability of potential fingerprint detection can be effectively improved.

The utility model relates to the field of film pasting devices, and discloses a full-lamination film pasting device for a color 3D stereo display effect touch film, which comprises a bottom plate, the top end of the bottom plate is fixedly connected with a placement frame, the interior of the placement frame is connected with a film pasting device in a sliding manner, and the top end of the placement frame is provided with a driving assembly. A clamp seat is fixedly connected to the left side of the top end of the bottom plate, two sliding plates are slidably connected to the interior of the clamp seat, four connecting columns are slidably connected to the interiors of the two sliding plates, limiting pieces are fixedly connected to one ends of the four connecting columns, and clamping plates are fixedly connected to the other ends of the four connecting columns. And a supporting frame is mounted in the sliding plate. According to the utility model, the display screen is flexibly clamped, so that the applied clamping pressure is prevented from being too large, the completeness of an external structure and the reliability and the service life of a product are ensured not to be influenced, and the economic loss caused by the fact that the product quality is not qualified is reduced.

The present invention relates to the technical field of nano-synthetic materials, discloses a method for synthesizing matrix-free blue-green dual-color solid fluorescent carbon dots and their applications in LED and fingerprint detection, synthesizes blue light seed carbon dots (S-CDs) by 1,2,4-benzenetricarboxylic acid and urea, and successfully prepares green light (G-CDs) and strong blue light carbon dots (B-CDs) with quantum yields increased by 35 times and 75 times, respectively, by H2O2 oxidation and NaOH treatment. The study reveals the regulatory effects of quantum size effect and surface state change on fluorescence color and quantum yield, wherein hydrogen peroxide and sodium hydroxide treatment improve the photoluminescence performance of CDs by changing surface groups and destroying hydrogen bonds. The synthesized G-CDs and B-CDs have the advantages of strong fluorescence, photobleaching resistance, good photostability, low cost and simple synthesis, and are combined with commercial red phosphors to prepare white light LEDs with high color rendering index and suitable color temperature, which are suitable for indoor lighting. In addition, B-CDs and G-CDs, as fluorescent markers, can effectively improve the accuracy and reliability of latent fingerprint detection.

The invention discloses a multilayer temporary crown and bridge material and a forming method thereof.The forming method comprises the steps that shaping is conducted, specifically, mixed powder of polymethyl methacrylate and pigment is shaped, and a single-color solid sample block is obtained; and hot pressing: stacking more than two single-color sample blocks according to a preset sequence and carrying out hot pressing to obtain the multi-layer temporary crown and bridge material. According to the forming method of the multi-layer temporary crown and bridge material, the controllability of the shape of each layer in the multi-layer temporary crown and bridge material can be improved, the production efficiency is improved, meanwhile, the multi-layer temporary crown and bridge material higher in quality and more stable in performance is obtained, and the requirement of dental clinical application is met.

This application proposes an ambient light with controlled three-dimensional color zoning, comprising: a substrate; a light-emitting unit mounted on the substrate, the light-emitting unit including a first light source and a second light source; a beam-splitting unit mounted on the light-emitting unit, configured to give the two light sources in the light-emitting unit different beam angles, wherein the beam angle of the first light source is smaller than that of the second light source; and a diffuser cover fitted over the substrate, forming a sealed space with the substrate, within which the light-emitting unit and the beam-splitting unit are placed. This allows for multiple combinations of emitted colors, uniformly emitting multicolored light on the same lamp, creating a three-dimensional effect, and is easy to install and low in cost.

The invention relates to the technical field of silica gel product processing, in particular to a double-color three-dimensional silica gel mark production process which comprises the following steps: step (1), calendaring a first-color silica gel mark layer on first release paper, then hollowing out the first-color silica gel mark layer until the edge roughness Ra is 0.3-0.6 mu m, removing hollowing-out scraps, coating a silane coupling agent solution, standing, and drying the first-color silica gel mark layer to obtain a second-color silica gel mark layer; obtaining a first layer; (2) filling and calendering a second-color silica gel filling layer in the hollow area of the first layer, and then vulcanizing for 4-6 minutes at 145-155 DEG C to obtain a second layer; and (3) in a constant-temperature and constant-humidity environment, a TPU hot melt adhesive film is attached to the surface of the second layer, a second release paper protection layer is attached, and the two-color three-dimensional silica gel mark is obtained. According to the scheme, components are given, and the problem of aging layering of a multi-material composite system is solved synergistically in the aspects of thermodynamics and dynamics through multiple processes; and a double-color three-dimensional effect is obtained through a multi-layer calendering and hollowing technology.

A color formulation method and system based on an Ostwald full-color gamut color mixing model, relating to the technical fields of color matching and color model construction and color design and application development in the textile field. The method uses actually obtained red, yellow, green, blue, highest-lightness gray and lowest-lightness gray to construct an Ostwald's color solid that can be applied to actual industrial design, and surpasses the traditional 24 hues, thus allowing flexible application in different color design scenarios; in addition, in the Ostwald's color solid gridded model in the method, the grid point position corresponding to each color is directly associated with the mixing concentration ratio of black, white and pure color pigments required for formulating the color, such that a designer can directly acquire the proportion of each color pigment from the model during color formulation to obtain target colors, thereby greatly improving the design efficiency.

The invention relates to the technical field of projection equipment, and provides an LCD projection ray machine and a control method and device thereof. The LCD projection ray machine comprises a three-primary-color solid-state light source module which comprises a red light source, a green light source and a blue light source; a light processing device; the liquid crystal display screen is integrated with a red color filter, a green color filter and a blue color filter; the projection lens is used for projecting and outputting the modulated image; the control device is connected with the three-primary-color solid-state light source module, drives a red light source, a green light source and a blue light source in the three-primary-color solid-state light source module in a continuous light emitting mode and outputs continuous mixed white light; the three-primary-color solid-state light source module, the light processing device, the liquid crystal display screen and the projection lens are sequentially arranged in the optical axis direction. The three-primary-color solid-state light source module works in a continuous light-emitting mode and is matched with the liquid crystal display screen integrated with the color filter, so that the inherent defects of a traditional white light LED scheme in the aspects of color gamut, lighting effect, heat management, dynamic display and the like are effectively overcome.

The present invention discloses a method based on single lanthanide Er 3+ A color display system and a display method for regulating the ion excited state population, belonging to the technical field of nano-optical display equipment, including a single lanthanide Er 3+ Three-dimensional / two-dimensional color solid display matrix of ion-doped NaYF4 nanoparticle / polymer composite material, optical lens group, 980 / 1973nm cooperative excitation laser system and laser scanner; the present invention realizes single lanthanide Er through 980 / 1973nm near-infrared light cooperative excitation 3+ The layout of the excited state of ions is regulated, and dynamic multi-color up-conversion luminescence regulation from green to yellow-green, yellow, orange, and finally red is achieved by increasing the 1973nm near-infrared light excitation power. Finally, by making the NaYF4:Er up-conversion nanomaterial based on dynamic multi-color luminescence changes into a display medium, three-dimensional / two-dimensional color display imaging with high optical resolution is achieved. The present invention improves the color purity and pixels of multi-color up-conversion luminescence, and realizes true three-dimensional stereoscopic display with nanometer-level resolution.

The invention discloses a lenticular grating three-dimensional printing platemaking zooming method which comprises the following steps: taking one color as a reference color, and taking the other three colors as adjusting colors; respectively measuring the deviation between the adjusting color overprinting line and the reference color overprinting line on the two sides of the original four-color edition image-text; calculating to obtain an overprinting error value between the adjusting color and the reference color; calculating to obtain a zooming rate of the zoomed color-adjusting color version image-text relative to the original color-adjusting color version image-text; calculating to obtain the width of the scaled adjustment color version image-text; calculating to obtain the resolution of the zoomed adjusted color version image-text; performing calculation to obtain grating data of the scaled color-adjusting color version image-text; and manufacturing the zoomed four-color three-dimensional printing color plate. According to the four-color three-dimensional printing color plate, the reference color plate image-text can be used as a reference, and after the other three-color adjusting color plates are subjected to scaling adjustment and combined with the reference color plate to form the four-color three-dimensional printing color plate, the four-color overprinting lines are subjected to accurate overprinting, namely, the overprinting accuracy of the scaled four-color plate image-text can be improved.

The invention discloses an innovative luminous couplet. The couplet is provided with yellow three-dimensional characters, and a red light source is arranged in the couplet. The yellow three-dimensional character is characterized in that the yellow three-dimensional character is made of a special optical material, based on the unique optical principle, the molecular structure of the material can absorb light emitted by a red light source, after molecules are stimulated and transited, orange-red light is emitted when the molecules fall back due to the specific energy level difference, and the yellow three-dimensional character shows the orange-red light emitting effect at night. The couplet substrate has multiple material selections, and the connection modes of the yellow three-dimensional characters and the substrate are flexible and diverse. The traditional couplet culture and the modern optical technology are ingeniously fused, the visual presentation of the couplet at night is enriched, the decoration and atmosphere are enhanced, novel elements are added to the field of cultural creative products, and the couplet has wide market application and cultural transmission potential and is worthy of popularization and application. The method is expected to be widely applied to multiple scenes such as festival celebrations and commercial activity decoration, and promotes the innovative development of related industries.

This invention provides a method and apparatus for generating solid waste datasets based on the SAM segmentation model. The method includes: Step S1, acquiring color solid waste images; Step S2, obtaining the contour information of each object instance in each solid waste image using the SAM segmentation model; Step S3, automatically classifying the object instances in each solid waste image to obtain a dataset annotation file; Step S4, copying each discrete object instance and forming a solid waste pool based on the object contour information in the dataset annotation file; Step S5, copying the object instances corresponding to each stacking combination, randomly stacking them at random positions and with varying degrees of stacking, and adding the stacked instances to the solid waste pool; Step S6, selecting a background image to paste and generating distribution points, randomly selecting stacked instances or discrete instances from the solid waste pool, and pasting them to the positions of the distribution points. This invention can generate labeled datasets under stacking conditions at low cost and high efficiency.