21 results about "Random pattern" patented technology

The invention relates to the technical field of visual anti-counterfeiting, in particular to an anti-counterfeiting method based on a pull buckle with random elements. Comprising the following steps that S1, random patterns are generated, the pattern texture of each random pattern is unique, the pattern texture of each random pattern serves as a first pattern texture to be stored in a pattern database, and each pull buckle is endowed with the unique random pattern when the pull buckle is produced; s2, acquiring a verification picture containing a random pattern uploaded by the code scanning terminal, identifying the verification picture, extracting the random pattern in the verification picture, marking the random pattern in the verification picture as a second pattern, and identifying a second pattern texture of the random pattern in the verification picture; and S3, querying whether the first pattern texture consistent with the second pattern texture exists in the pattern database or not, generating a verification result, if so, judging that the second pattern is a real pattern, and if not, judging that the second pattern is a forged pattern.

To provide a system for evaluation that can precisely and easily evaluate the fracture toughness value of a joined body on a joined interface.SOLUTION: The present invention relates to a system for evaluation that comprises: a crack gauge which has its surface coated with a random pattern for a DIC method and is stuck on a joined part for evaluation using a tension testing machine for a joined body; a digital camera which photographs a random pattern; software for analysis which analyses the strain of the joined part; and a computer, wherein the computer can send and receive electric signals between the crack gauge and digital camera, and synchronizes a crack progress length at time X when the joined part cracks that the crack gauge outputs with the strain of the joined part that the digital camera photographs at the time X, and the software for analysis evaluates a progress behavior of the crack at the joined part, and calculates a threshold for determining the progress of the crack based upon the strain at the time X.SELECTED DRAWING: Figure 1

1. The name of the design product: cloth (random pattern). 2. The use of the design product: used for making casual home wear. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: front view. 5. The design product is a thin product, so the left view is omitted; the design product is a thin product, so the right view is omitted; the design product is a thin product, so the top view is omitted; the design product is a thin product, so the bottom view is omitted; the design product is a thin product, so the perspective view is omitted. 6. The design product is a square continuous plane product without limited boundaries.

The application discloses a unit type outer curtain wall of high-strength stainless steel treated by random pattern, and belongs to the technical field of building construction, which comprises a plurality of curtain wall units, adjacent curtain wall units are connected through the mode of insertion, the curtain wall unit comprises a fixed frame, a transparent wall body, a non-transparent wall body, a ventilation assembly and a decoration assembly, wherein the fixed frames of adjacent curtain wall units are fixedly connected through insertion; the transparent wall body is connected with the fixed frame; the non-transparent wall body is connected with the fixed frame and arranged on one side of the transparent wall body, and the non-transparent wall body is connected with a building main body; the ventilation assembly is connected with the fixed frame and the non-transparent wall body simultaneously and used for changing the wind direction of air entering the building main body; and the decoration assembly is connected with the fixed frame and the non-transparent wall body simultaneously. The unit type outer curtain wall of high-strength stainless steel treated by random pattern provided by the application solves the problem that, when gas exchange is carried out, air flow directly blows into a building, and strong air flow causes great discomfort to personnel in the building main body.

1. Name of the design product: Fabric (Random Pattern with Tassels 35712). 2. Use of the design product: For textile products. 3. Design key points of the design product: Lies in the pattern. 4. Picture or photo that best shows the design key points: Front view. 5. This design product is a flat product, and other views are omitted. 6. Other situations that need to be explained: Other explanations: This product has pendant tassels.

The invention discloses a classifiable random anti-counterfeit label which comprises a label substrate layer, a back bottom layer is fixedly arranged on the upper surface of the label substrate layer, a classification identification layer is fixedly arranged on the upper surface of the back bottom layer, and a random pattern layer is fixedly arranged on the upper surface of the classification identification layer; an anti-counterfeiting pattern layer is arranged on the random pattern layer and comprises a random wrinkle-shaped pattern layer and a granular pattern layer. According to the technical scheme, the structural design is reasonable, the random wrinkles and the particle patterns are randomly generated in the curing process of the UV-cured foaming ink, the random wrinkles and the particle patterns have the physical non-replicable characteristic, the query conclusion is accurate and reliable, and the risk of being counterfeited is greatly reduced. The identification of classification identification can enable the algorithm to lock the corresponding sub-database in advance, so that the verification speed can be accelerated by dozens of times or hundreds of times, and meanwhile, the verification accuracy is ensured. Accelerated verification is carried out through structural improvement, the use is convenient, and the practicability is good.

The invention discloses a random unduplicable anti-counterfeit label which comprises a random pattern anti-counterfeit layer and a two-dimensional code anti-counterfeit layer corresponding to the random pattern anti-counterfeit layer, the random pattern anti-counterfeit layer comprises a random feature layer, a back bottom layer and a first bottom paper layer, the back bottom layer is fixedly arranged on the upper surface of the first bottom paper layer, and the two-dimensional code anti-counterfeit layer corresponds to the random feature layer. The random feature layer is fixedly arranged on the upper surface of the back bottom layer, and the random feature layer comprises wrinkles and particles; the two-dimensional code anti-counterfeiting layer comprises a two-dimensional code surface layer and a second bottom layer, and the two-dimensional code surface layer is fixedly arranged on the upper surface of the second bottom layer. According to the technical scheme, the random pattern anti-counterfeiting layer takes silver as the ground color, and the silver has the characteristics of strong reflection effect and easiness in collection and identification; after special ink is used for printing, wrinkled or granular patterns are randomly formed in the curing process, the random feature layers correspond to the two-dimensional code surface layers one to one, the structural design is reasonable, the imitation difficulty is large, the anti-counterfeiting effect is good, and the practicability is good.

The utility model relates to a detection medium of automatic optical detection equipment, which comprises a medium body and a plurality of pattern layers arranged up and down along the thickness direction of the medium body, and the pattern layers are provided with pattern units distributed in an array; the pattern unit of each pattern layer is provided with at least one standard pattern, and the standard pattern comprises one of an array pattern, a resolution pattern, a random pattern, a line width pattern and an overlay pattern; all the pattern layers serve as a whole and are provided with at least two standard patterns. According to the detection medium provided by the invention, the use scene of automatic optical wafer detection equipment is fully considered, and most of related functions of optics and detection can be basically completed on one standard medium, so that the verification accuracy is improved, the manufacturing cost is reduced, the verification process is simplified, and the verification efficiency is improved. The defect type detection capability of verifying various characteristics is difficult to ensure due to single function or limitation of pattern texture characteristics of a standard film in the related technology.

The application relates to a random pattern training set, a hologram generation method and system, and particularly relates to the technical field of image processing. The random pattern training set generation method comprises the following steps: randomly generating a plurality of pattern sets, each of the pattern sets comprising a square, a circle and an equilateral triangle; performing gradient filling on each pattern in the pattern set to obtain a gradient pattern set; performing a preset number of translation transformations on each pattern in the gradient pattern set to obtain a random pattern corresponding to the pattern set; and determining the random patterns corresponding to all the pattern sets as a random pattern training set. The application can provide more comprehensive training data and improve the training effect of a model.

The utility model discloses a novel random figure array anti -fake label, including the label body, the edge fixed setting of label body has metal protection layer, the label body includes waterproof bottom layer, paper base layer, fluorescent anti -fake layer, random figure fragment layer, radium laser anti -fake layer and transparent wear -resisting surface layer, the upper surface of fluorescent anti -fake layer and the lower surface of random figure fragment layer bond fixedly, radium laser anti -fake layer sets up on the upper surface of random figure fragment layer, the upper surface of radium laser anti -fake layer and the lower surface of transparent wear -resisting surface layer bond fixedly, the upper surface of transparent wear -resisting surface layer is provided with positioning recess, is provided with fragile paper layer in positioning recess, is fixedly provided with transparent protective cover on the upper surface of fragile paper layer, is provided with movable anti -fake body in transparent protective cover, is provided with anti -fake graphic laser engraving layer on this movable anti -fake body. The above technical scheme, the structure design is reasonable, the edge is not easy to damage, is not easy to be imitated, and the practicality is good.

1. Name of the product in this design: Fabric (PP random pattern frayed 2-3). 2. Intended use of this design: for textile products. 3. The key design feature of this product is its pattern. 4. The image or photograph that best illustrates the design's key features: the front view. 5. This design is a two-dimensional product; other views are omitted. 6. This design is a planar product with continuous four sides and no defined boundaries.

One or more punch pattern methods are applied (402) to generate a spatial distribution of punches that forms a semi-random pattern for an image display screen. The image display screen is punched (404) with the spatial distribution of punches that forms the semi-random pattern. An image rendering light is emitted (406) by a light projector toward the image display screen mounted in an image rendering environment. The image display screen reflects (408) at least a portion of the image rendering light emitted from the light projector toward a viewer.

The optical film, frosted offset plate and its preparation method involved in the present invention include: S1. Using graphic processing software to obtain a random pattern with a number of pixel points through random dot combination, and the pixel points are square dots; S2. Adding a number of single-point templates and replacing the pixel points with the single-point templates to obtain a frosted effect pattern; S3. According to the frosted effect pattern, performing photolithography on the offset plate to obtain a frosted offset plate with a frosted effect. The shape of the random dots of the frosted effect pattern is more diversified and at the same time reduces the design difficulty; the random dots after photolithography are independent of each other, the frosted effect is relatively delicate and there is no granularity; the offset plate has a smooth groove type with a convex structure or a concave structure; and the preparation method is simple in operation and can obtain different frosted effects such as frosted transparency, layering and fading out.

1. Name of the product in this design: Fabric (PP random pattern 2-2). 2. Intended use of this design: for textile products. 3. The key design feature of this product is its pattern. 4. The image or photograph that best illustrates the design's key points: the front view. 5. This design is a two-dimensional product; other views are omitted. 6. This design is a planar product with continuous four sides and no defined boundaries.

The present invention discloses a defoamer foam distribution analysis method based on image feature recognition, specifically relating to the field of industrial foam behavior perception and analysis for identifying image objects characterized by random patterns, including obtaining a foam image sequence in a target area, the foam image sequence being acquired by an imaging device, and the image frames of the foam image sequence having temporal continuity; performing a disturbance feature extraction operation on the foam image sequence to obtain local disturbance velocity information of the foam edge within a preset time, membrane surface tension change trend information, and morphological boundary fluctuation information. By extracting foam structure disturbance features from the image time series and constructing a structural evolution map memory library, the trend matching mechanism is combined to identify irregular mutation image behaviors, thereby achieving dynamic perception and abnormal response to sudden foam states without prior support, thereby solving the problem of being unable to identify random pattern foam states.

1. Name of the product in this design: Fabric (PP random pattern 2-1). 2. Intended use of this design: for textile products. 3. The key design feature of this product is its pattern. 4. The image or photograph that best illustrates the design's key features: the front view. 5. This design is a two-dimensional product; other views are omitted. 6. This design is a planar product with continuous four sides and no defined boundaries.

A kind of inner lens random pattern optical surface generation method based on CATIA platform, comprising the following steps: (1) initialization parameter setting: set the basic geometric parameter of inner lens and the generation rule of random pattern;(2) random pattern generation: using random number generation algorithm, create irregular optical feature unit optical microstructure on surface, each edge of unit optical microstructure is random angle in plane and vertical plane;(3) optical surface creation: create three-dimensional optical surface model in CATIA by the unit optical microstructure generated randomly;(4) model optimization and verification: the optical performance simulation is carried out to the generated optical surface, verifies its uniformity and scattering characteristics, adjusts parameter to optimize design. Improve the uniformity of inner lens light distribution and the flexibility of design.

This invention discloses a glazing mechanism for generating random patterns and a method for preparing glazed tiles. The glazing mechanism includes a tile conveyor line, a glazing bell, and colorant pipes. The glazing bell is positioned above the tile conveyor line. Multiple colorant pipes are arranged horizontally above the glazing bell, with their movement directions perpendicular to the conveying direction of the tile conveyor line. Furthermore, the movement trajectories of the multiple colorant pipes do not overlap in the vertical projection direction. This design is simple, easy to modify, and highly controllable, facilitating the formation of a glaze layer with random patterns on the top of the tile. Additionally, the glazing mechanism can produce glazed tiles with random patterned glaze layers, enhancing the decorative effect of the glazed tiles. Simultaneously, optimizing the basic glaze formula of the glaze layer imparts excellent hardness and wear resistance.

The present invention belongs to the field of image data processing or generation, more precisely to the field of general-purpose image data processing. The present invention relates to a method that enables generation of complex pseudo-random patterns / noise in n-dimensional space. The user can specify and create a highly specific n-dimensional noise generator, which will output tiling fractal noise. The n- dimensional patterns are generated by recursively combining a certain number of tilings of random values of the same type, for example Quadrilateral, Hexagonal, Voronoi, outputs of other noise generators, but with different translation, rotation or length scales. The algorithm also allows for the generation of geometric patterns without randomness. In this case, rotation and translation is not random, i.e. tiling is always performed with the same orientation, but with different scale, and wherein individual tiles have a pre-defined value, which is not randomly generated.

The utility model discloses a kind of classifiable random anti-fake labels, including label substrate, the upper surface of label substrate is fixedly provided with back bottom layer, the upper surface of back bottom layer is fixedly provided with classification identification layer, the upper surface of classification identification layer is fixedly provided with random pattern layer;Random pattern layer is provided with anti-fake pattern layer, and the anti-fake pattern layer includes random wrinkle pattern layer and granular pattern layer.The above technical solution, structure design is reasonable, because random wrinkle and granular pattern are generated randomly in the solidification process of UV solidification foaming ink solidification, with physical non-reproducible characteristics, accurate and reliable query conclusion greatly reduces the risk of being counterfeited.Classification identification mark can make algorithm pre-locked corresponding sub-database, so as to make verification speed accelerate by tens or hundreds of times, while ensuring verification accuracy.Good anti-fake performance, accelerate verification through structural improvement, convenient to use and good practicality.

The invention relates to the technical field of anti-counterfeiting, and particularly discloses an anti-counterfeiting pull buckle with random patterns, which comprises a label and a pull strip integrally formed with the label, the label is provided with a pull hole, a lock tongue is arranged in the pull hole, and the pull strip is provided with lock teeth matched with the lock tongue; a blocking piece is further arranged at the position of the pull hole, and the height of the blocking piece is not larger than that of the spring bolt. Random patterns are arranged on the label and the separation blade. The invention aims to solve the problem that physical and digital anti-counterfeiting double failures are caused by double loopholes that a locking structure of an existing binding pull buckle is easy to crack by a tool and a label two-dimensional code is easy to copy.