52 results about "Screentone" patented technology

The invention discloses a printing color closed-loop control system based on spectral analysis, and relates to the technical field of computer processing, and the system comprises the following steps: S01, collecting the spectral reflectivity data of a plurality of key color blocks on a printed matter measurement and control strip in real time through an online high-speed spectrometer at the frequency of not less than 100 color blocks per second; s02, constructing a color prediction model, wherein the model receives the spectral reflectivity data and outputs absorption scattering characteristics, the spectral transmittance of ink and dot expansion, trapping and overprinting effects in the printing process; s03, setting a dynamic tolerance threshold value delta Et based on a chromatic aberration formula according to the color precision requirement of the printed matter, and judging the absorption and scattering characteristics, the spectral transmittance of the ink and a grading tolerance interval in which the dot expansion, trapping and overprinting effects in the printing process are consistent with visual perception; and S04, converting the spectral reflectivity data acquired in real time into a CIELAB color space irrelevant to equipment, and comparing the spectral reflectivity data with a preset standard color target value. According to the method, the problems of different standards and color drift caused by artificial experience difference and visual fatigue are solved.

To provide a printer in which image quality is less likely to deteriorate even if halftone processing is performed using a dither mask repeatedly.SOLUTION: And a head unit that forms the output image on a medium based on a processing result of the halftone processing unit, in which a direction in which a plurality of heads discharge liquid is defined as a first direction, a direction in which the medium is transported is defined as a second direction, and a direction orthogonal to the first direction and the second direction is defined as a third direction. The output image includes a mixed region and an independent region, a length of the mixed region in the third direction is a first length, a length of the independent region in the third direction is a second length, and the number of elements of the dither mask in the third direction is N times or 1 / N times a total number of the number of pixels corresponding to the first length and the number of pixels corresponding to the second length.SELECTED DRAWING: Figure 1

The present application discloses a method for spectral prediction and closed-loop feedback wide-width corrugated box extended gamut flexographic pre-printing, belonging to the field of packaging engineering and printing technology. The method comprises: establishing a dot gain mapping function based on the Yule-Nielsen correction model by testing the roughness, ink absorption and surface energy of the corrugated paper; printing a CMYKOGV seven-color characteristic color card to generate an adaptive ICC profile; using the CIEDE2000 color difference formula and constant hue angle mapping algorithm for gamut compression and color separation; selecting a low-hardness flat-top dot flexographic plate and configuring a anisotropic screen roller; introducing the Walker-Fetsko rheological ink transfer equation during printing, combining with real-time feedback of an online spectrophotometer to dynamically adjust the printing pressure and ink viscosity, and realizing closed-loop compensation. The present application realizes high-precision simulation of more than 90% of the PANTONE spot color library, completely gets rid of the dependence on spot colors, significantly improves the color stability and production efficiency of wide-width flexographic printing, and is suitable for extended gamut pre-printing production of high-quality corrugated boxes.

The application discloses a hot-pressing dot cluster arrangement processing technology for improving the efficiency of BLU picture improvement, S1: light guide plate design, CAD software is used to draw design drawings of the light guide plate, and G code programs are exported for use of numerical control machine tools; S2: material selection and pretreatment; S3: installation and calibration; S4: according to the design requirements of the light guide plate, appropriate hot-pressing molds are designed and selected, the hot-pressing molds are divided into several independent areas, each area has different heating elements and pressure adjusting devices; S5: segmented processing, the light guide plate is divided into multiple areas, each area corresponds to different dot arrangements, different processing parameters are set in the G code programs; S6: detection and analysis. The dot cluster arrangement of the light guide plate processed by the application greatly improves the gap between clusters, so that the dot density reaches 100%, and the gap between clusters is also guaranteed to be greater than 40% of the length of the cluster dot, and the requirement of the hot-pressing equipment for transfer printing can be met.

The invention discloses an information hiding anti-counterfeiting method based on a visual perception system and a printing method for a packaging box, and the information hiding anti-counterfeiting method comprises the steps: 1, inputting an original information image I, and carrying out the binarization processing, and obtaining a to-be-hidden information silhouette image B; 2, generating a salt and pepper noise image with the same size as the original information image I through image processing software or a computer programming language, and taking the salt and pepper noise image as an encrypted substrate binary dot image N; 3, copying an image N as a to-be-processed binary dot image N ', and performing pixel transformation on the image N' by taking the to-be-hidden information silhouette image B as a mask through image processing software or a computer programming language to obtain a transformed information hidden image H; and 4, superposing the encrypted substrate binary dot image N and the information hiding image H to obtain a target image C. The method is simple to operate, easy to implement and high in safety, and improves the anti-counterfeiting verification efficiency.

The invention discloses an invisible anti-counterfeiting method based on a printing dot structure, electronic equipment and a storage medium. The method comprises the following steps: acquiring a first image of an anti-counterfeiting mark of a to-be-verified product; performing identification processing on the first image, and confirming a first verification area and a second verification area of the anti-counterfeiting mark; obtaining a first grid structure of the first verification area and a second grid structure of the second verification area according to the first image; and determining an authenticity identification result of the to-be-verified product according to the first grid structure and the second grid structure. The printing steps of the anti-counterfeiting mark are as follows: acquiring a preset standard image; based on a preset partitioning strategy, determining a first printing area and a second printing area in the standard image; and controlling a spot color printing module in the invisible anti-counterfeit printing equipment to print based on the first printing area of the standard image, and controlling a color-colliding printing module in the invisible anti-counterfeit printing equipment to print based on the second printing area of the standard image to obtain the anti-counterfeit mark.

1. Name of the product in this design: Graphical User Interface for Outlet Inquiry in Electronic Equipment. 2. Intended use of this design: for use in an electronic device. 3. The key design feature of this product is its graphical user interface. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Purpose of the graphical user interface: This graphical user interface is used for branch location inquiry. The main view is the service interface. When the user clicks the "Branch Map" button, they will be redirected to the branch map interface, as shown in Figure 1. The user enters text in the search bar at the top of the interface, and suggested information appears below the search bar, as shown in Figure 2. When the user clicks on any item in the suggested information, they will be redirected to the details page of that item, as shown in Figure 3. In this context, “×××” represents replaceable text and / or numbers and / or letters and / or symbols, and the map portion of the interface is not within the scope of protection of this design.

This utility model relates to the field of screen printing equipment technology, specifically to a prism sheet ink coating device, including a frame, a printing platform, and a screen. Two ink feeding boxes are symmetrically arranged on the top of the frame, and each ink feeding box is connected to an inclined conveying channel at its bottom. The printing platform is equipped with a lifting mechanism. A removable flat pressure plate is placed above the screen, the area of ​​which is equal to the effective working area of ​​the screen. A double-scraper mechanism is correspondingly arranged at the outlet end of the conveying channel. The ink formula is injected into the ink feeding box, and the ink flows through the conveying channel to the double-scraper mechanism. The flat pressure plate presses down vertically, causing the ink to be extruded through the gradient dots of the screen, thus pressing the ink onto the substrate and avoiding height differences. After using the flat pressure plate, it is removed. The double-scraper mechanism is then activated, and the screen is scraped twice by the double-scraper mechanism, eliminating the need for a return ink blade, thereby achieving an ink-free operation and preventing ink stagnation and solidification.

1. Name of the product in this design: Insole (Dot). 2. Intended use of this design: shoe insole. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of the design product: the main body of the transfer of money and recognition of the graphical user interface for electronic equipment. 2. The use of the design product: for an electronic device. 3. The design points of the design product: the interface content expressed by non-dotted lines in the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: the whole and the claimed part of the graphical user interface of the design are used for the transfer of money and recognition. In design 1-2, the user can view the transfer information in the interface shown in the front view, and can click the "copy" option on the right side of a certain column information to copy the corresponding information. In design 3, the user can view the transfer information in the interface shown in the front view, and can click the "copy" option on the right side of a certain column information to copy the corresponding information, or can click the "copy all" option in the upper right corner of the interface to copy all the information. In design 4, the user can view the transfer information in the interface shown in the front view, and can click the "change" option in the middle of the upper part of the interface to switch the payer's name, and the interface when switching is shown in the change state diagram. In design 5, the user can view the transfer information in the interface shown in the front view, and can click the "more information" option behind the receiving bank to query the detailed information such as bank outlets, and the interface changes to the interface shown in the change state diagram. In design 6, the user can view the transfer information in the interface shown in the front view, and can click the "copy all" option in the upper right corner of the interface to copy all the information, and the interface changes to the interface shown in the change state diagram. 7. Other circumstances that need to be explained: "X" in the interface represents a text, number or symbol area. The part represented by dotted lines in each design is not claimed.

The present application relates to the technical fields of printing dot test, especially relates to a printing dot adhesion test method and device, and a printing dot adhesion test device, which comprises a bottom plate, the upper end of the bottom plate is provided with two groups of corresponding X-axis sliding tables, Y-axis sliding tables are installed between the driving blocks of the X-axis sliding tables, Z-axis sliding tables are installed on the driving blocks of the Y-axis sliding tables, horizontal rods are fixedly installed on the driving blocks of the Z-axis sliding tables, the axis of the horizontal rods is parallel to the axis of the X-axis sliding tables, vertical rods are fixedly installed at the ends of the horizontal rods, test component mounting parts for connecting with test components are arranged at the lower ends of the vertical rods, the printing dot adhesion test method and device can realize semi-automatic grid division and adhesive tape pulling operation, can reduce the test error of printing dot adhesion caused by human factors such as force size, force angle, force speed, force uniformity and action time, and can improve test accuracy and uniformity.

The present invention relates to a method for producing halftone contract proofs using plotter-printed proofs with a combination of hybrid and non-hybrid screens for subsequent flexographic printing. This allows AM, FM, and XM screens to be combined in the proof without distortion, and allows the parameters defining plotter printing to be automatically incorporated into different machines capable of performing such printing. The method consists of 15 steps, in which specific hybrid screens are generated for halftone plotter proofs using correction curves and minimum values ​​different from those used for flexographic cliché printing, and the information required for automating the process is incorporated in files and databases in a standardized manner by modifying the dot gain settings on the color profile.

The application discloses a kind of super capacity invisible two-dimensional code technology based on true color multicolor halftone dot array.The technology takes two-dimensional code information capacity and its anti-fake application as target, based on printed true color CMYK corresponding quaternary encoding rule, through self-defined color coding technology, original information is modulated to generate multicolor halftone dot array two-dimensional code.The code takes single printing dot as encoding unit, collects its microscopic image to obtain the dot array distribution data of single dot, and decoding can be realized.Compared with prior art, the super capacity invisible two-dimensional code of the application has large encoding density, high identification reliability, and has the functional advantages of super capacity, invisible anti-fake, and has very high actual market value in e-commerce, printing and packaging, product traceability and other fields.

The invention provides an anti-counterfeiting image processing method, an anti-counterfeiting image recognition method and an anti-counterfeiting image recognition device, and relates to the technical field of anti-counterfeiting. The problem that an anti-fake image generated by an existing anti-fake technology is prone to being copied by ultrahigh-precision scanning and professional printing equipment, and consequently authenticity of the existing anti-fake image cannot be recognized is solved. The anti-counterfeiting image processing method comprises the following steps: acquiring parameters and image-text content information of a target anti-counterfeiting image; based on the parameters of the target anti-counterfeiting image, generating a net hanging image matrix; carrying out fusion processing on the network hanging image matrix and the image-text content information to obtain a binary dot map; generating a target anti-counterfeiting image according to the binarized dot map; and performing anti-counterfeiting identification on the to-be-identified anti-counterfeiting image based on the network hanging image matrix in the target anti-counterfeiting image. According to the scheme of the invention, the anti-counterfeiting precision and protection capability of the anti-counterfeiting image are improved, accurate anti-counterfeiting identification of the existing anti-counterfeiting image is realized, and high-precision illegal copying of the existing anti-counterfeiting image is prevented.

This invention provides a halftone processing method for inkjet printing based on cross-gradient halftone screens, comprising: S1, color space conversion; S2, dot basic unit design; S3, halftone screen generation and filling; S4, error diffusion processing; and S5, image compositing. The advantages of this method in terms of fundamental technology are: accurate color space conversion; stable error diffusion control; and a reliable channel processing mechanism. The advantages of this method in terms of innovation are: cross-line halftone dots provide better directionality; gradient transitions reduce graininess; and overlapping filling ensures smoothness.

The invention relates to a defective spray hole self-adaptive compensation method, computer equipment and a storage medium. Visual defects caused by defective spray holes are dynamically repaired, distribution and size of peripheral ink droplets are adjusted under the condition that the jitter direction of printing points generated after halftone processing is followed as much as possible, and blank / wrong ink dots are prevented from affecting image quality. The method comprises the following steps: dynamically calculating the position and compensation amount of a compensation printing point from three dimensions of point, line and surface based on the printing direction of a defect spraying hole point in a graph after the original halftone processing and the continuity and concentration change of the defect spraying hole point in the vertical direction and the horizontal direction according to the randomness and isotropy of dot distribution after the original halftone processing; the phenomenon that the uniformity and smoothness of the image are affected by fixed position and random position compensation in a traditional method is avoided, and'white lines' appearing in a high-concentration area or'black lines' appearing in a low-concentration area and structural defects under local out-of-control concentration in the traditional method are avoided.

This application relates to a breathable printed fabric and its production process. The production process includes color separation of the pattern to be printed and film preparation; fabrication of a screen and selection of a squeegee; preparation of a film screen; preparation of digital white plastisol; addition of the digital white plastisol to the film screen; and printing the digital white plastisol onto the fabric using a squeegee. During the color separation process, a corresponding grayscale value is selected based on the color distribution of the pattern to be printed to adjust the film. The grayscale value ranges from 20% to 80%. The grayscale value provides a basis for the depth of color in the pattern to be printed, using the solidity and blurriness of the halftone dots to represent the depth of color. Based on the pattern to be printed, a grayscale value corresponding to the color distribution of the pattern is selected within the 20%-80% grayscale range, allowing the film to present an effect that matches the pattern. Combined with digital white plastisol printing, the resulting fabric not only effectively displays the color distribution of the pattern but also achieves a breathable, non-film-forming effect.

This disclosure relates to the field of industrial automation technology, and provides a method and apparatus for calculating the screen printing path of a convex irregular bottle. The method includes: decomposing the convex contour point set of the bottle to be printed into several continuous straight line segments and / or curve segments according to a preset straightness tolerance parameter, generating a segment information set; for the curve segment, according to the target rotation angle, rotating the contour points in the current curve segment in the opposite direction of the origin by the target rotation angle, searching for the point with the largest ordinate value in the rotation point set as a tangent candidate point, performing secondary interpolation within the interval formed by the tangent candidate point and its adjacent points to obtain the brush point coordinates, and calculating the halftone dot coordinates according to the segment starting length of the current curve segment and the cumulative length of the brush point within the segment of the current curve segment; generating printing path data containing brush point trajectory and halftone dot trajectory, wherein the brush point trajectory is composed of brush point coordinates and the halftone dot trajectory is composed of halftone dot coordinates.

1. Name of this design product: Graphical User Interface for Inquiry and Display of Network Cabling Drawings for Electronic Equipment. 2. Intended use of this design: for use in electronic devices. 3. The key design feature of this product is its graphical user interface. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Purpose of the graphical user interface: Used for querying and displaying integrated cabling drawings for network points. Clicking "Add" in the main view displays the change status diagram. 6. Other situations requiring explanation: Other explanation: The dark gray area in the view represents the content screen, and X indicates replaceable text.

1. Name of the product in this design: Graphical User Interface for Bank Branch Business Management in Electronic Equipment. 2. Intended use of this design: for use in an electronic device. 3. The key design features of this product are its graphical user interface content. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Purpose of the graphical user interface: Used for the entry and management of inventory vouchers in bank branches. 6. Human-computer interaction method of graphical user interface: The main view is the login interface of the branch business management system. The user enters the username and password and clicks the "Login" button to jump to the interface change state diagram. The interface change state diagram shows the inventory voucher entry interface, where the user can select voucher type, voucher code, serial number and other information to enter inventory vouchers. 7. Other situations requiring explanation: Other explanation: "XXX" in the interface represents replaceable text content, and the gray blocks in the interface represent replaceable images.

The present application provides a flexographic printing plate which reduces the ink adhesion problem of ink direct connection of adjoining dot protrusions. A flexographic printing plate characterized by being a flexographic printing plate obtained from a flexographic printing master plate in which a support (A), a photosensitive resin layer (B), and a heat-sensitive mask layer (C) are at least sequentially stacked, and in which dot protrusions, dot valley portions formed between the dot protrusions, and a bottom portion are provided on a surface of the flexographic printing plate, and in which the side surface portions and the bottom portion of the dot valley portions have received the same post-exposure treatment and exposure treatment using a germicidal lamp, the adhesion of the bottom portion of the flexographic printing plate being 2.0 N / mm 2 The following.

The utility model relates to the technical field of notebook computer accessories, and discloses a brightening structure for improving backlight brightness of a notebook computer, which comprises rubber iron, a light guide plate is fixedly connected in the rubber iron, a plurality of triangular grooves are arranged at the top of the light guide plate, and a plurality of inverted triangular blocks are fixedly connected on the inner walls of the triangular grooves. A plurality of lattice points are fixedly connected to the bottom of the light guide plate, a diffusion plate is fixedly connected to the outer wall of the light guide plate, a QD film is fixedly connected to the side, away from the light guide plate, of the diffusion plate, a light splitting film is fixedly connected to the side, away from the diffusion plate, of the QD film, and a composite film is fixedly connected to the side, away from the QD film, of the light splitting film; by adopting the double-sided R-CUT triangular groove structure, the design structure in the R-CUT structure groove in the bottom surface can be adjusted, the light uniformity of the whole surface of the light guide plate can be improved, and the brightness of the light guide plate can be improved by the double-sided R-CUT structure, so that the light of the whole surface of the light guide plate is more uniform, and the visual experience of a user is improved under the combined action of the improvement of the brightness and the improvement of the light uniformity.

To provide a treatment liquid for inkjet recording capable of obtaining a high-quality printed matter having both good dot expandability and excellent image homogeneity even when the treatment liquid is applied to a low-permeable recording medium and then subjected to a heating and drying step.SOLUTION: The treatment liquid for ink-jet printing contains an organic compound (A), at least one compound (B) selected from the group consisting of a polyvalent metal salt, a polyvalent amine and an organic acid, and water, wherein the organic compound (A) is a water-soluble organic compound having a boiling point of not lower than 300 °C and an HLB value of not less than 6.0 and not more than 10.0 as calculated by the Davies' method, and a content of the organic compound (A) is not less than 3% by mass.SELECTED DRAWING: None

The application relates to the technical field of image detection, and discloses a printing defect detection method and system based on computer vision. The method collects a multi-channel fusion image of a printing surface through a multi-modal imaging device, corrects distortion through a dynamic segmentation module, extracts a detection area mask, and outputs a standard image. The standard image is input into a defect detection model, microscopic dot and macroscopic texture features are extracted, matched with a template library, and a probability distribution graph is generated. Multi-level discrimination is performed according to the graph, defects are quantitatively evaluated, and finally, defect coordinates and type labels with time and space annotations are output. The system comprises multi-source acquisition, geometric correction, feature matching, hierarchical decision and closed-loop control modules, realizes real-time detection and feedback control of printing defects, improves detection precision and efficiency, is suitable for different types of printed matter, and has a wide application prospect.

The application relates to the technical field of artificial intelligence and computer vision, and discloses a book content characteristic semantic analysis method and system based on image recognition. The method comprises the following steps: acquiring a high-resolution image of a book page and pre-processing; extracting microscopic physical characteristics such as paper fiber texture, ink penetration depth and printing dot shape through a multi-scale algorithm; synchronously extracting macro semantic information by using OCR; mapping and matching the microscopic characteristics and a version science knowledge graph to deduce the manufacturing process, the age and the circulation track; and coupling the macro semantic information and the microscopic characteristics to output a double analysis report. The system comprises an image acquisition module, a characteristic extraction module, a knowledge graph database, a correlation model module and a coupling analysis module. Through physical property-semantic coupling analysis, the application realizes the automation and high precision of ancient book dating, authenticity identification and cultural relic value evaluation.

The invention relates to the technical field of digital printing, and discloses an RIP dot layout digital printing device and a printing method thereof.The RIP dot layout digital printing device comprises a printer body, a material carrying shaft and a rolling shaft, the material carrying shaft and the rolling shaft are rotationally installed on the printer body, a fixing frame is fixedly installed in the printer body, a sliding rail is fixedly installed on the fixing frame, and a sliding seat is slidably installed on the sliding rail; a plurality of spray heads are fixedly installed on the sliding seat, a belt is installed on the fixing frame in a transmission mode, driving equipment is fixedly installed on the fixing frame, and the sliding seat is fixedly installed on the belt. According to the digital printing device, the sliding base is used for driving the spray head to reciprocate so as to conduct printing work, the sliding rod is pushed into the fixing frame through the baffle on the sliding base, the sliding rod drives the wedge-shaped block to break away from limiting of the magnetic block, the magnetic block is pushed by the telescopic rod to move upwards and is aligned with the magnetic base, and the magnetic base is attracted by the magnetic force of the magnetic block; and the rotating shaft and the cleaning roller are driven to move towards the magnetic block for cleaning.

The invention discloses a printing sheet with a 3D expansion effect, a preparation method of the printing sheet and a packaging hose. According to the preparation method, an optical basic principle is converted into a visual effect principle, printing, copying and restoring are finally converted into proportion matching and dot shape design of artwork dots, then a finally designed file is transmitted to a digital plate making machine for laser engraving, and manufacturing of a printing plate material is completed. And then the multi-color dots are transferred to the printing blank base material through the printing process technologies such as flexographic printing, letterpress printing or offset printing, so that the printed pattern forms a 3D expansion effect.

The invention belongs to the technical field of pattern identification, and particularly relates to a method for identifying a pattern forming mode on ceramic, which comprises the following steps of: 1, acquiring a digital image of a pattern on the surface of the ceramic; 2, calculating pattern similarity indexes of different areas in the image; 3, color space data of the image are analyzed, and the number of main colors and the brightness standard deviation are counted; 4, detecting microscopic features of the image, wherein the microscopic features comprise at least one of dot arrangement, ink mark accumulation and pen wielding marks; and 5, in combination with the similarity index, the color space data and the microscopic characteristics, judging that the pattern formation mode is decal, printing or drawing. According to the method, a three-layer identification framework of image acquisition, quantitative analysis and comprehensive judgment is constructed, and the limitation of single image extraction is broken through; process traces are directly identified through microscopic feature detection, so that misjudgment caused by environment illumination and glaze reflection is avoided, and reduction of segmentation precision under a complex background is prevented; and a basic framework is provided for automatic identification.

The invention discloses a method for improving color gathering of a heat shrink film, and relates to the technical field of heat shrink film printing. According to the method, the shrinkage ratio of each segment is accurately calculated by measuring the reference perimeter of a low-shrinkage area and the segment perimeter of a high-shrinkage area of a bottle body; making a T ruler strip based on an association rule of a shrinkage ratio and a dot ratio, and positioning a to-be-compensated area through a thermal shrinkage test; and in combination with a color density partition compensation coefficient and an exclusive compensation formula, dot accurate compensation is realized. According to the method, independent testing and debugging for each color are not needed, the full-color system can be adapted only through a single reference compensation curve, the operation process is remarkably simplified, and the production efficiency is improved; the color gathering phenomenon of high-deformation areas of the bottle body can be effectively eliminated, the color consistency of labels in all the areas is guaranteed, and the method is suitable for large-scale production of heat shrinkage film labels of bottle products.