84 results about "Halftone" patented technology

The invention provides an intelligent image processing method and device for UV curing 3D ink-jet printing and a storage medium, and the method comprises the steps: carrying out the contour feature extraction of a slice image, and intelligently recognizing a supporting region based on the interlayer contour change and geometric features; printing data corresponding to the color ink layer, the white ink layer, the gloss oil layer, the shaping layer and the supporting layer are generated according to the contour features, the shrinkage judgment result and the overhanging area recognition result, the printing data serve as spot color channels and are combined with CMYK channels of the color ink layer, halftone processing is carried out on the data of the channels, and the color ink layer is obtained. And finally, generating and outputting a TIF format image file comprising at least eight channels, wherein the TIF format image file is used for driving the UV curing 3D ink-jet printer, the equipment and the storage medium storage and is used for realizing the intelligent image processing method during execution. According to the method, the printing precision and the material utilization rate are improved, and the problems of support generation, color management and quality control in multi-material 3D printing are effectively solved.

The invention relates to a printing control method and computer equipment. According to the method and the device, the basic contour information of the printed image during full-ink-quantity ink dots is identified, the edge compensation width is determined according to the database information, the basic contour information and the ink-medium-environment-chromatography multivariate model, and the halftone-processed database information is subjected to edge compensation in the edge compensation width; the phenomena of sawteeth, blurring and blurring of the edges of printed characters, graphs and images can be avoided, the edge compensation gradient is set according to the size and the tone type of the printed image, and gradient compensation of a compensation point from the outer edge of the printed image to the center position in the edge compensation width is achieved. The color difference, caused by edge compensation, of the outer edge and the center position is reduced, and low cost and high printing speed are guaranteed while the amount of printing ink is saved.

The invention discloses a halftone image reversible information hiding and extracting method and device and a medium, and relates to the field of image encryption, and the method comprises the steps: obtaining an original halftone image and original secret information; using a Hash algorithm to calculate summary information of the original halftone image; synthesizing the summary information with the original secret information to form to-be-hidden secret information, and storing the to-be-hidden secret information as a secret image; encrypting the original halftone image by using a ZUC encryption algorithm to obtain an encrypted halftone image; according to the encrypted halftone image, using a polynomial secret sharing algorithm to obtain N shared original images; according to the secret image, utilizing a polynomial secret sharing algorithm to obtain N shared secret images; and synthesizing the N shared original images and the N shared secret images to obtain N secret-carrying shared images. According to the method, the applicability, the confidentiality and the correctness of halftone image sharing are improved.

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

An intermediate article has a non-electrically conductive substrate having first and second opposing surfaces; and a catalytic ink disposed as a pattern of half-tone dots on at least the first opposing surface. Copper metal can be plated on the pattern of catalytic ink to provide a copper metal pattern that have antimicrobial properties. The resulting antimicrobial article can then be applied to various surfaces to mitigate the spread of infectious agents from one person to another.

The invention discloses a pixel extraction and conversion method of an LEN format image, and belongs to the technical field of digital image processing. In order to solve the technical problems that the LEN format has no public specification and general software cannot read data, binary analysis is carried out through an LEN sample, and the core binary layout of a file is found for the first time: the image width and height are stored in specified offset positions, and a small-end byte order is adopted; pixel data comprises a compressed data segment and a row information segment, and an RLE coding rule is adopted. The method comprises the following steps: acquiring an LEN format file; analyzing the file header to obtain an image size; performing segmented analysis on the image data; synthesizing the analyzed data into image data; and packaging the pixel matrix into a standard TIFF format file. The LEN core binary layout is disclosed for the first time, zero distortion and cross-platform conversion are achieved, reading and storage of screening parameters are not involved at all, existing patents are effectively avoided, and the method can be used for preview, filing and third-party system integration in the flexographic printing process.

A manufacturing process for a display panel (50) comprising a light source (LD) and a pixel circuit configured to operate the light source (LD), comprising the manufacturing process of: forming the pixel circuit on a substrate (SUB); and forming the light source (LD) on the pixel circuit, wherein forming the pixel circuit comprises: forming a first electrode layer on the substrate (SUB); forming a buffer layer (BUF) on the first electrode layer; and forming an active layer on the buffer layer (BUF), wherein forming the active layer comprises: depositing a first active layer (ACT1) and depositing a second active layer (ACT2) on the first active layer (ACT1);a first structuring step in which a photoresist (PR) material is applied to the second active layer (ACT2), a photoresist (PR) pattern is formed by a halftone mask, and the second active layer (ACT2) is etched to expose part of the first active layer (ACT1); a halftone ashing step of the photoresist (PR) pattern to expose part of the structured second active layer (ACT2); and a second structuring step in which the exposed part of the first active layer (ACT1) is etched using the structured second active layer (ACT2) as a mask.

The invention discloses an anti-counterfeiting printed matter preparation and identification method and system based on halftone frequency compensation, and the method comprises the steps: determining the compensation frequency of an embedded texture needed to be embedded into an original digital image according to the frequency of macroscopic moire patterns induced when an input anti-counterfeiting printed matter is copied; designing an embedded texture based on halftone frequency compensation according to the compensation frequency, and generating a digital image hidden with the embedded texture; and outputting the digital image hidden with the embedded texture to a printing material through printing equipment to obtain an anti-counterfeiting printed matter. The invention aims to utilize the active induction mechanism of the moire to actively induce the moire characteristics excited in the frequency domain and the micro texture at the moment of imaging of the copy, the discrimination of the copy is converted from searching a weak signal to detecting significant interference, and the stability of anti-counterfeiting printed matter discrimination in the application scene of complex media and cross-brand equipment is improved.

An inkjet recording apparatus capable of suppressing deterioration in image quality is provided. [Solution] The inkjet recording device includes a recording unit, an image reading unit, and a control unit. The control unit has an image processing unit. The image processing unit is capable of halftone processing image data input to the recording unit using multiple patterns with different degrees of concentration. The control unit is capable of executing a switching mode that switches between halftone processing patterns when a normal image formation mode is being executed. When the switching mode is being executed, the control unit acquires density information of the recording head by having the image reading unit read a check chart for density measurement recorded on a sheet by the recording unit, and determines the halftone processing pattern based on the acquired density information of the recording head.

A printing apparatus includes a halftone processing section that uses a dither mask to determine whether or not to form a dot in each of a plurality of pixels constituting an output image based on an input gradation value of an original image, and a head unit that forms the output image on a medium based on a processing result of the halftone processing section, the output image includes a mixed region and a single region, a length of the mixed region is a first length, a length of the single region is a second length, and the number of elements of the dither mask 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.

To provide a toilet roll in which patterns superior in design properties are visible while being a long article, and furthermore wrinkles and kinks are reduced, and thereby surface smoothness is easy to feel.SOLUTION: A toilet roll is provided by making toilet tissue paper of 2-ply into a roll and having a roll diameter of 90-120 mm. In the toilet tissue paper, irregularities by embossing are provided, patterns formed by halftone dot printing and solid typesetting are printed on one side, a ratio of a total area of a pattern portion is 8-20%, a ratio of a total area of a halftone dot portion is 6.0% or more, a ratio of a total area of a solid portion is 4.0% or less, and a paper thickness of 1-ply is 60-90 μm. The toilet tissue paper is rolled around a paper tube of 65-90 m with a roll density of 0.83-2.05 so that the surface with the patterns printed thereon may become an outer layer side.SELECTED DRAWING: Figure 1

The application discloses a kind of halftone mask through rate measurement methods, on halftone mask, in one field of view, with adjacent full transparent area, non-transparent area and semi-transparent area, measurement method is: first, in the both sides of halftone mask respectively no contact setting laser transmitter and laser receiver;Then only open laser transmitter, so that the laser that laser transmitter emits passes through semi-transparent area;Then open laser receiver, laser receiver respectively obtains the laser signal that full transparent area, non-transparent area and semi-transparent area are penetrated, and respectively recorded as A, B, C;Finally, the transmittance T of semi-transparent area is calculated, and the calculation formula is: T=[(C-B) / (A-B)]×100%;The halftone mask through rate measurement method of the application is simple and fast in measurement operation, contactless measurement throughout, can satisfy the high-precision processing requirement of halftone mask.Simultaneously, measurement is carried out using photoelectric signal, and measurement precision is high, and the requirement of measurement tool and environment is lower.

The invention relates to an organic light emitting display and an electronic device thereof. The invention discloses an organic light emitting display device, a method of manufacturing the same, and an electronic device thereof. The organic light emitting display device includes a first electrode, a pixel defining layer disposed on the first electrode and exposing a portion of the first electrode through an opening, an organic material layer disposed in the opening of the pixel defining layer, and a second electrode disposed on the organic material layer. In this case, the pixel defining layer includes a halftone layer composed of a photosensitive composition, a trench formed in the halftone layer, and a full-tone layer protruding from the halftone layer.

To provide a color chart that can measure and compare images taken with a wide variety of cameras.SOLUTION: A color chart has a plurality of patches, at least some of which are covered with a film that absorbs or reflects infrared and / or ultraviolet rays, and an amount of infrared and / or ultraviolet rays absorbed or reflected varies among the patches covered with the film that absorbs or reflects infrared and / or ultraviolet rays, and the plurality of patches are composed of achromatic patches and chromatic patches, and the patches covered with the film that absorbs or reflects infrared and / or ultraviolet rays are achromatic patches, and the achromatic patches are composed of at least gray patches, and the gray patches are formed only with black halftone dots.SELECTED DRAWING: Figure 1

The disclosure discloses an organic light emitting display device including a first electrode, a pixel definition layer disposed on the first electrode and exposing a portion of the first electrode through an opening, an organic material layer disposed in the opening of the pixel definition layer, and a second electrode disposed on the organic material layer, and a manufacturing method thereof, and an electronic device thereof. In this case, the pixel definition layer includes a halftone layer composed of a photosensitive composition, a trench formed in the halftone layer, and a full-tone layer protruding from the halftone layer.

A device comprises an array of voxels of solidified material defining at least one scan path, along which an error in a variable dielectric quantity at a target voxel is distributed by successive deposition and solidifying of a selected material along the scan path, in accordance with a prescription for the device. The prescription defines the dielectric quantity over the array of voxels.

An intermediate article has a non-electrically conductive substrate having first and second opposing surfaces; and a catalytic ink disposed as a pattern of half-tone dots on at least the first opposing surface. Copper metal can be plated on the pattern of catalytic ink to provide a copper metal pattern that have antimicrobial properties. The resulting antimicrobial article can then be applied to various surfaces or objects to reduce, mitigate, or inhibit the spread of infectious agents from one person to another from human touching the surfaces or objects.

The invention discloses a preparation method of a driving substrate, the driving substrate, a display panel and a display terminal, and relates to the technical field of display, and the preparation method comprises the steps: carrying out the exposure of a pixel electrode layer provided with a photoresist layer through a halftone mask, and forming a non-photoresist region, a semi-photoresist region and a full-photoresist region on the pixel electrode layer; the semi-photoresist region is opposite to the protection region of the pixel electrode layer, and the full-photoresist region is opposite to the connection region of the pixel electrode layer; removing the pixel electrode layer of the non-photoresist region and forming a pixel electrode pattern; removing the photoresist layer in the semi-photoresist region; depositing a pixel insulating layer, wherein the pixel insulating layer covers the pixel electrode layer of the semi-photoresist region and the photoresist layer of the full-photoresist region; and stripping the photoresist layer to enable the pixel insulating layer of the full photoresist region to be separated along with the photoresist layer. According to the scheme, the forming operation of the pixel electrode pattern, the insulation treatment operation of the protection area and the operation of exposing the connection area can be completed by utilizing the halftone mask, and a photomask does not need to be newly added, so that the manufacturing process is simplified, and the preparation cost is reduced.

The invention discloses an array substrate, a manufacturing method and a display panel, and the manufacturing method comprises the steps: sequentially arranging a first metal layer, a first semiconductor layer, a second metal layer and a photoresist layer above a substrate in a stacked manner, and carrying out the etching of the first metal layer, the first semiconductor layer and the second metal layer through a halftone mask technology, the first metal layer forms a patterned data line and a source electrode, the first semiconductor layer forms a patterned first active layer, the second metal layer forms a patterned drain electrode, the data line is electrically connected with the source electrode, and the first active layer is located between the source electrode and the drain electrode; forming a first insulating layer over the substrate; and forming a scanning line and a grid electrode above the first insulating layer, wherein the grid electrode is electrically connected with the scanning line. The first metal layer, the first semiconductor layer and the second metal layer are etched by adopting the halftone mask process, only one illumination is needed, the photomask cost is saved, at least two masks can be saved, the manufacturing process is simplified, and the production efficiency is improved.

To provide an image forming apparatus capable of shortening the execution time of adjustment processing for adjusting an image forming part, and a storage method.SOLUTION: The image forming device (1) includes an image forming unit (12) configured to form an image based on the dot image datum, an adjustment processing unit (54) configured to execute an adjustment process of adjusting the image forming unit (12) based on a result of reading an adjustment image formed by the image forming unit (12), an obtaining processing unit (51) configured to obtain an adjustment dot image datum generated by the DFE2 based on an original datum corresponding to the adjustment image, and a storing processing unit (52) configured to store the adjustment dot image datum obtained by the obtaining processing unit (51) in a storage unit (15). DFE2.SELECTED DRAWING: Figure 1

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.

Manufacturing of a traffic sign wherein the traffic sign includes a decorated retroreflective substrate comprising the steps: applying in a print area of a multi- pass inkjet printer (100) a retroreflective substrate; and jetting on the applied substrate, according to a plurality of pixels of a halftone image, a plurality of droplets of a free radical curable inkjet ink-set (I1..M) for decorating the applied substrate by the printer; and curing the jetted plurality of droplets on the substrate with UV radition after 300 or more milliseconds for spreading the jetted plurality of droplets wherein the plurality of droplets, having a first volume, is jetted within two or less passes by a plurality of inkjet printhead boxes (180) (PB1..N) of the inkjet printer wherein each inkjet printhead box (PBi, i1..N) is capable of jetting the ink-set (I1..M).

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.

A method is provided for manufacturing a security document by intaglio-printing a rendering of a three-dimensional object on the security document. The method comprises at least the following: S1) providing a model (1) of the object with a plurality of surfaces (A, B, C, D) in three-dimensional space; S2) attributing, to each point on the surfaces (A, B, C, D), a grayscale or color value; S3) using mapping functions (M) for mapping the surfaces (A, B, C, D) into two-dimensional parameter spaces, thereby defining grayscale or color images (2) in the parameter spaces, wherein the grayscale or color value of each point in said images is given by the grayscale or color of the point on the surface corresponding to the point of the image; S4) rendering, in the parameter spaces, the grayscale or color images (2) as halftone images (3) using halftone patterns, wherein at least some of the halftone patterns are different from each other; S5) using inverses of the mapping functions for mapping the halftone images (3) as textures onto the surfaces (A, B, C, D); S6) projecting the model with the surfaces (A, B, C, D) carrying the textures into a two-dimensional printing plane using a three-dimensional projection (P), thereby projecting said halftone images (3) and textures into the printing plane; S7) rendering, within the printing plane, the surfaces (A, B, C, D) with the textures into a two-dimensional array of printing pixels and forming an intaglio printing plate (5) with recesses corresponding to the array of the printing pixels; and S8) printing, using the intaglio printing plate (5), the rendering of the three-dimensional object onto said security document.

The invention relates to a wide-spectrum halftone mask blank with continuously adjustable light transmittance and a preparation method thereof.The wide-spectrum halftone mask blank with continuously adjustable light transmittance comprises a substrate, shading layers and a semitransparent film layer which are sequentially stacked from bottom to top, the shading layers are arranged on the substrate at intervals, and the semitransparent film layer is arranged on the substrate at intervals. The semi-transparent film layer is arranged on the light shielding layer and the surface of the substrate which is not covered with the light shielding layer, and the light transmittance of the semi-transparent film layer under transmission of an exposure light source within the wavelength range of 350-450 nm is increased along with reduction of the thickness of the semi-transparent film layer. By adopting the wide-spectrum halftone mask blank with the continuously adjustable light transmittance, the stable light transmittance can be achieved for transmission light beams with different wavelengths, and the imaging precision is greatly improved.

In an example, a method includes, at least one processor, in response to each of a plurality of requests, determining a halftone screen. Determining the halftone screen comprises encoding a signature pattern in the halftone screen, and halftone screens for different requests may be encoded with a different signature pattern. The halftone screen may be arranged such that, when applied to image data to provide a printed output, the pattern is discernible therein to provide a signature for the printed output.

The invention provides a printed image halftone method and device based on a Stable Diffusion model and a medium, which can remarkably improve the quality of a halftone image by utilizing the generation characteristics of the Stable Diffusion model and effectively overcome the defects of the existing traditional method in the aspects of detail reservation, noise control, processing efficiency and the like. According to the method, the high-quality halftone image is generated by introducing the diffusion model, and the defects of a traditional halftone image processing method in the prior art in the aspects of image detail keeping, noise suppression and processing efficiency are overcome. The method can generate a halftone image with details reserved, is particularly suitable for halftone effect generation of a high-resolution image and a complex image or halftone effect conversion in the image, and is widely applied to the fields of digital image processing, graphic design and printing.

The present disclosure provides an image processing method, which relates to the field of display, and particularly relates to the field of color image display. The specific implementation scheme is as follows: obtaining an original image; performing first halftone processing on the original image to obtain a first image; and in response to detecting a zoom operation on the first image, performing second halftone processing on the original image after adjusting the size of the original image to obtain a second image. The present disclosure also provides an image processing device, an electronic device and a computer readable storage medium.

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.