97 results about "Color structure" patented technology

Systems and methods are provided for automated diagnosis and grading of tissue images based on morphometric data extracted from the images by a computer. The morphometric data may include image-level morphometric data such as fractal dimension data, fractal code data, wavelet data, and / or color channel histogram data. The morphometric data may also include object-level morphometric data such as color, structural, and / or textural properties of segmented image objects (e.g., stroma, nuclei, red blood cells, etc.).

The invention discloses a color structured light three-dimensional measuring method, apparatus and device, and a storage medium. The method comprises the following steps of coding four color stripe patterns by adopting a sinusoidal phase shift coding method, a segmented step phase coding method and Gray codes; sequentially focusing and projecting the four color stripe patterns on a reference planeand a measured object through a DLP projector; acquiring the stripe patterns which are not modulated on the reference plane and after height modulation deformation of the measured object through a color CCD camera; performing decoding processing on the two groups of the stripe patterns to obtain a continuous phase difference value of the measured object; and solving three-dimensional height information of the surface of the measured object by utilizing a triangular method. Through the measuring method based on color composite coding which fuses sinusoidal phase shift coding, segmented step phase coding and the gray codes, the three-dimensional measurement can be realized by only four color patterns by means of a triangular principle; and therefore, the method is small in projection amount, high in processing speed and good in anti-jamming capability, and is suitable for fast and high-precision three-dimensional measurement of objects with the non-continuous surfaces in a static scene.

The present invention provides a method for simultaneous hue phase-shifting and a system for 3-D surface profilometry, wherein a single structured-light fringe pattern with encoded multiple trapezoidal color fringes is projected on an object so as to obtain a color image having deformed fringe patterns and then a hue information extracted from a HSI color model associated with the fringe pattern is transformed into a hue phase-shifting information for restructuring the 3-D surface profile of the object. Since the color structured light is composed of a plurality of colorful light having phase shifts with each other in spatial domain, the single structured-light pattern comprises multiple hue phase-shifting information so that the phase shifting and unwrapping can be performed by one-shot 3-D surface reconstruction process without needs of traditional conventional phase wrapping and Euler's transformation procedures such that the efficiency of phase shifting and 3-D surface measurement can be improved.

An apparatus for embossing a surface with a nano-optical color structure includes a monolithic material. The monolithic material is mounted to a carrier and has an active area facing away from the carrier and, in use, towards a surface to be embossed. The active area has a surface structure with at least one predetermined nano structure that causes in the surface to be embossed a structure that generates a predetermined color structure when exposed to visible light.

The invention relates to a symbolism rendering technology in the fields of a GIS and a digital map, and brings forward a GPU-based color gradual change linear map symbol drafting method, for realizing high-efficiency rendering and drafting of color gradual change of linear vector elements on the basis of the method. The method comprises the following steps: first of all, a linear element coordinate sequence needing to be drafted is determined, linewidth size is initialized, a line Mesh after triangularization is constructed according to linewidth, and a U parameter in the direction of the line and a V parameter in a direction vertical to the line are transmitted to each summit in the Mesh. A corresponding color structure table is generated according to a gap symbol unit needing to be filled up, and the structure color table and the U-V parameters are transmitted to a Shader program. By use of a Shader language, according to U-V values at each summit, based on a specified color gradual change function, the linear elements are drafted pixel by pixel, and thus vector linear map symbols with gradually changing colors are drafted.

The invention provides a target object tracking method based on color-structure features. The method includes the steps that object detection is conducted on video images, and at least one object in the current image is acquired; super-pixel segmentation is conducted on the object according to pixel color information; according to super-pixels meeting preset conditions in the object, the color feature and the structure feature of the object are determined; the color feature and the structure feature of the object are compared and matched with the color structure and the structure color of an object to be tracked in an object model database, a target object to be tracked in the image is determined, and the position information of the target object in the current image of a video is recorded; in a next image of the video, the steps are repeated, the color structure and the structure feature of a target object are compared and matched with the color feature and the structure feature of the target object in the former image of the video, the target object to be tracked in the image is determined, and the position information of the target object is updated. By means of the method, the accuracy and the robustness of single-texture target tracking through a video tracking algorithm are effectively enhanced.

The invention provides a real-time three-dimensional measurement method based on color sine structured light coding in the three-dimensional sending technology. In the method, a single color sine structured light coding pattern is projected to the surface of an object through a projector; two camera shooting devices are utilized to record distorted color structured light images respectively, all the color structured light images are subjected to color separation, and then single-color structured light images corresponding to an R channel, a G channel and a B channel are obtained; the phase positions of the two camera shooting devices are calculated according to the single-color structured light images; phase matching is conducted according to the epipolar constraint relation between the two camera shooting devices, and then instantaneous three-dimensional coordinates of the surface of the object are obtained. Through the real-time three-dimensional measurement method based on color sine structured light coding, real-time three-dimensional measurement can be achieved; the method has the advantages of being good in robustness to unbalance of color brightness, coupling of color channels, nonlinearity of the projector and other interference factors, high in measurement accuracy and the like.

The invention provides an all-coloring-structure-based knitting and printing combined jacquard design method which is characterized in that double effects of texture simulation and color simulation on the surface of a fabric are realized by adopting a design method which is characterized in that knitting and printing are combined with each other for a single digital pattern. The method mainly comprises the following technical steps: (1) digital pattern design; (2) all-coloring structure design; (3) design of a combined fabric structure pattern; (4) jacquard fabric production; and (5) printing of the jacquard fabric. The knitted part on the jacquard produced by the design method represents a concave-convex touch effect and a single-color effect of texture simulation of the pattern and the printed part and the jacquard texture color are matched to represent a colorful visual effect of color simulation of the pattern, so that the designed fabric can satisfy the technical requirement of batch production.

The invention relates to a method for the three-dimensional measurement of high sampling density color structured light based on green stripe segmentation. In previous researches, color encoding is mostly used for space encoding and direct encoding, and most of the color encoding can be used for measuring dynamic objects, but because of the influences caused by the color fidelity and the resolution ratio of a CCD camera, the color encoding has low measurement accuracy for three-dimensional objects and is very difficult to be used for accurate measurement of objects. The method comprises the following steps of: 1) continuously projecting red and blue gray code encoded structured light segmented based on green stripes to the three-dimensional objects required to be measured or reconstructed in turn, and shooting each breadth of projection patterns; 2) performing red, green and blue color stripe segmentation on each breadth of the shot projection patterns to acquire the color values of pixels of each breadth of the patterns; 3) extracting centers and left and right boundaries of the green stripes in each breadth of the shot patterns, and acquiring the coding values of the centers and the left and right boundaries of the green stripes according to the corresponding color values of the pixels of the previous breadths of the patterns; and 4) performing sub-pixel positioning on the centers and the left and right boundaries of the green stripes, and realizing the measurement and the reconstruction of the three-dimensional objects according to system calibration parameters. The method is applied to a three-dimensional measuring technique.

A liquid crystal display device includes a display section which enables color display in each of pixels, and a gradation control unit which controls a gradation level in each of the pixels. The display section includes a first white display structure which is configured to combine primary colors and to display white, and a second white display structure which is configured to include a color with a chromaticity different from a chromaticity of the primary color of the first white display structure and to display white. The gradation control unit has a first control mode in which the gradation level of each pixel is controlled by one of the first white display structure and the second white display structure, and a second control mode in which the gradation level of each pixel is controlled by a combination of the first white display structure and the second white display structure.

The invention relates to a device for measuring displacement and deformation of a high-temperature object on the basis of structured light and digital speckles. The device comprises a structured light laser device, a laser ranging unit, an optical imaging unit, a photoelectric detection unit and a data processing unit. The structured light laser device is used for outputting single-color structured light and irradiating the surface of the measured object; the laser ranging unit is used for obtaining the distance from the surface of the measured object to the photoelectric detection unit; the optical imaging unit is used for imaging a single-color structured light image of the surface of the measured object on the photoelectric detection unit; the photoelectric detection unit is used for collecting the imaged image and sending the image to the data processing unit; the data processing unit is used for calculating the distance from the image sent by the photoelectric detection unit to the photoelectric detection unit and the distance from the surface of the measured object to the photoelectric detection unit, and the displacement and the deformation of the measured object in the high-temperature state are obtained. The device can be used for measuring the displacement and the deformation of the measured object in the high-temperature state.

The invention provides a target object tracking method based on color-structure characteristics in order to overcome the defects of high complexity and low accuracy of the tracking of moving objects in video images in the prior art. The method includes: object detection of an image in a video is performed, at least one object in the current frame of image of the video is obtained, ultra-pixel segmentation of the object is performed, and the color characteristic and the structure characteristic of the object are determined; a to-be-tracked target object is determined in the current frame of image via comparison and matching of the color characteristic and the structure characteristic of a to-be-tracked object in a preset object model database, and position information of the target object in the current frame of image is recorded; and the target object is tracked in the next frame of image of the video according to the color characteristic and the structure characteristic of the target object in the current frame of image, and the position information of the target object is updated. According to the method, the accuracy and the robustness of target tracking with single texture for a video tracking algorithm are effectively improved.

The system and method of memory protection using a tagged architecture. The system of memory protection provides a unique tag for each field, within a structure, thus preventing access beyond the structure. The system compares the unique tag, e.g. color, of each field within the structure to the color of the pointer that is used to access the respective structure field. Freed memory is tagged as uninitialized.

The invention relates to a color fringe edge sub-pixel detection method based on a color component intersection point. The traditional color fringe edge sub-pixel detection algorithm is easy to influence by factors of environment, a detected object and the like to generate large detection error. The method comprises the following steps of: A, converting an RGB (Red, Green and Blue) color model into 111213 normalization color model by carrying out smooth de-noising on a color fringe image; and B, fitting gray level curves of various components in the color fringe image, and solving the intersection point of the components to realize the fringe sub-pixel edge detection. The method is suitable for color fringe edge in an optical three-dimensional measurement field based on a color structure.

The invention relates to an adaptive De Bruijn color structured light coding method which employs a camera, a projector, a support adjusting mechanism, a computer and an ideal projection plane. The method is characterized by fixing the camera and the projector on the support adjusting mechanism, manually adjusting the orientation and the angle in pitching direction of the support adjusting mechanism, further adjusting the shooting angle of the camera and the projection angle of the projector, ensuring that the camera can capture all images projected by the projector, and the camera and the projector being connected to the computer through cables. A De Bruijn coding method is used to generate a color structured light stripe sequence, a camera is used to capture the intrinsic color information of an object to be measured, and then the color structured light stripe sequence is adaptively adjusted according to the interference degree of the intrinsic color of the object to be measured by color stripes. The method not only improves the anti-interference capability of coding images, but also expands the universality of the three-dimensional reconstruction based on color structure light.

The present invention provides a display panel of a flat panel display device of a four-color structure in which color mixture may not occur in a white sub-pixel and a method for fabricating the same. The display device includes first, second, third, and fourth sub-pixels, and each sub-pixel includes a thin film transistor. A color filter is formed adjacent to the thin film transistor of each of the first, second, and third sub-pixels, a planarization layer is formed on the color filters, and a pixel electrode is connected to each thin film transistor.

The invention discloses a method for preparing a high-stability patterned photonic-crystal coloring structure on the surface of a textile substrate by utilizing an ultraviolet-light curing technology.The method comprises the following steps of: (1) preparing structure coloring ink consisting of nanospheres, a structure fixing agent, a photoinitiator, a coffee-ring inhibitor and a conventional inkadditive; (2) applying the prepared ink to the surface of the textile substrate by a digital printing mode; (3) using an ultraviolet-light curing lamp to carry out curing treatment on the textile substrate printed with the ink. The method disclosed by the invention has the beneficial effects that by combination of the ultraviolet-light curing technology and the digital printing technology, not only can the patterned coloring effect be obtained by printing the surface of the textile substrate according to the needs, but also the property between the nanospheres in a self-assembled structure and the cohesive property between the self-assembled structure and the textile substrate are enhanced by the structure fixing agent; the obtained photonic-crystal coloring structure has excellent stability and durable structure-color effect. The method has the characteristics of easy implementation, low cost and good universality and the like.

The invention relates to an encoding method of a light image with a color structure, belonging to the technical field of computer image processing. The encoding method of a light image with a color structure is designed by adopting the relevance of a topological structure and an internal structure, and the relevance among different atom areas and in the atom areas of a light encoding image obtained by shooting with the color structure is stronger, which is beneficial to the correct decoding of the light encoding image with the color structure. The light encoding image with the color structure can be projected on any object and has no strict limit to a curved surface for receiving the light encoding image with the color structure. The characteristic information of the whole space can be obtained by using one light encoding image with the color structure, thus the invention has strong real time and high identification precision rate.

The invention provides a violence and horror video detection method based on MoSIFT (Motion ScaleInvariant Feature Transform) and CSD (Color Structure Descriptor) features, and the method comprises the steps: step1, calculating CSD of a video; step2, calculating a maximum dynamic density point of CSD features; step3, calculating a CSD fraction; step4, calculating MoSIFT of the video; step5, performing vertical dimensionality reduction for MoSIFT features; step6, performing horizontal dimensionality reduction for the video; step7, performing clustering for the MoSIFT features; step8, training SVM-1; step9, calculating a MoSIFT fraction; step10, training SVM-2; and step11, obtaining a classification result. According to the invention, the MoSIFT features and the CSD features are well-used, the complexity of the algorithm is reduced, and a relatively good detection effect can be obtained.

The invention discloses red low-angle-dependence zinc sulfide structure color materials and a preparation method thereof, and belongs to the technical field of photonic crystal material preparation. The preparation method comprises the steps that firstly, zinc sulfide microsphere nanoparticles with the uniform particle size are prepared by adopting a chemical homogeneous precipitation method; secondly, the zinc sulfide microsphere nanoparticles are calcinated under protection of a reducing atmosphere to carbonize trace organic substances, and then the red structure color materials with carbon black evenly distributed are obtained. According to the red low-angle-dependence zinc sulfide structure color materials and the preparation method thereof, the preparation method is simple and high in repeatability, and the technical problems that chemical organic substance color materials are prone to discoloring and harmful to a human body are solved; the technology operation process is simple and easy to operate, large-scale industrial production can be achieved, the method is suitable for construction of angle-free different-color structure color materials on the surfaces of various materials, and the wide application prospect is achieved; the prepared red zinc sulfide photonic crystal structure color materials are even in carbon black distribution, free of angle dependence, good in sphericity degree and uniform in particle size and have the wide application prospect on the fields of material displaying, sensing, catalyzing, various material surface coloring and the like.

The invention provides a three-roving controlled feeding spinning device and a three-roving controlled feeding spinning method. The three-roving controlled feeding spinning device comprises a rear roller traction pair composed of a rear roller and a rear rubber roller, a middle-rear roller traction roller composed of a middle-rear roller and a middle-rear rubber roller, a middle-front roller traction pair composed of a middle-front roller and a middle-front rubber roller, and a front roller traction pair composed of a front roller and a front rubber roller, wherein a rear rubber roller shaft and a middle-rear rubber roller shaft are respectively connected with three rubber gaskets by circular lifting pins. When spinning is implemented, tight pressing or suspended contact between the rubber gaskets and the rollers is realized by the lifting of the lifting pins, then the controlled feeding and corresponding selectivity of the corresponding traction area of three roving can be realized, subsequently, single-color, bi-color and three-color structured yarns with different effects can be achieved, the varieties of the yarns are enriched, and the additional value of the yarns is increased.

The invention provides a layering processing method and system of a three-dimensional object data, a 3D printing method and device, a computer device and a computer readable storage medium. Through using the characteristic that a material to be cured can display color appearance with the distinction degree after over-curing, a certain distinction degree such as color and structure sudden change (or the step) is needed in the appearance to recognize the object with the different portions carrying information, in the pretreatment, on the basis of the relations of dependence, the three-dimensional attachment model and the three-dimensional main model are mounted, and are subjected to layering processing, an over-curing property is arranged, in the subsequent printing process, on the basis ofthe obtained slicing data, at least one part is sliced to carry out over-curing with the set rule, in the printing process, different exposure strategies are adopted, in one-time printing, the three-dimensional object with recognized assembling information or configuration information is obtained, the production process is simplified, and the production cost is reduced.

The invention discloses a preparation method of a double-layer ribbed bi-color reinforced composite pipe. Plastic ribbed special-shaped strips are extruded through a first extruding machine and a second extruding machine together, then the strips are wound through a molding roller, then molten plastisol is extruded into the strips through a third extruding machine and a fourth extruding machine, and the double-layer ribbed bi-color reinforced composite pipe is obtained through extrusion. The double-layer ribbed bi-color reinforced composite pipe is of a double-layer bi-color structure, so that the double-layer ribbed bi-color reinforced composite pipe is more attractive, and the characteristic of conveniently recognizing the product is achieved at the same time; and meanwhile, ribs corresponding to hollow cavities in the two sides of a wave trough can improve the ring flexibility and ring stiffness of the pipe.

The invention discloses red low-angle-dependence zinc sulfide structure color materials and a preparation method thereof, and belongs to the technical field of photonic crystal material preparation. The preparation method comprises the steps that firstly, zinc sulfide microsphere nanoparticles with the uniform particle size are prepared by adopting a chemical homogeneous precipitation method; secondly, the zinc sulfide microsphere nanoparticles are calcinated under protection of a reducing atmosphere to carbonize trace organic substances, and then the red structure color materials with carbon black evenly distributed are obtained. According to the red low-angle-dependence zinc sulfide structure color materials and the preparation method thereof, the preparation method is simple and high in repeatability, and the technical problems that chemical organic substance color materials are prone to discoloring and harmful to a human body are solved; the technology operation process is simple and easy to operate, large-scale industrial production can be achieved, the method is suitable for construction of angle-free different-color structure color materials on the surfaces of various materials, and the wide application prospect is achieved; the prepared red zinc sulfide photonic crystal structure color materials are even in carbon black distribution, free of angle dependence, good in sphericity degree and uniform in particle size and have the wide application prospect on the fields of material displaying, sensing, catalyzing, various material surface coloring and the like.

This invention includes a different-type-light-source image determination unit for determining whether the target film image is a different-type-light-source photographic image based on RGB component data on each of pixels that constitute data on the target film image, an image data development unit for developing data on the target film image so as to correspond to a predetermined X-Y two-dimensional coordinate system representing a relationship between a minimum of the RGB component data on the each pixel and the RGB component data for the minimum if the target film image is determined as the different-type-light-source photographic image, and a minimum difference sum operation unit for operating and deriving, from the developed data, an average of dissociations of the respective pixels relative to a reference line representing characteristics of a film image photographed by a standard light as a minimum difference sum at least for each pixel group of R, G, or B, wherein if the minimum difference sum for the pixel group of the R, G, or B operated and derived by the minimum difference sum operation unit is greater than a predetermined reference value, the target film image is determined as a photographic image of a structure having different colors.

The invention provides a color clustering method for the central color fringes of a De Bruijn color structure light coding image, which belongs to the field of a computer image processing technique. In the color clustering method provided by the invention, the color of each pixel point on each central color fringe of the color structure light coding image is clustered by adopting a clustering analysis method. The color clustering method provided by the invention is suitable for the color structure light coding image which has the pixel points of each color in linear distribution, and can effectively improve the accuracy for determining the color of the central color fringes.