77 results about "Color contrast" patented technology

The application discloses a device for detecting crack defects of porcelain insulators and relates to the technical field of defect detection. The device aims at the problem of poor crack recognition effect when the existing crack detection device of the porcelain insulator adopts optical detection technology. The device comprises a box body, a fixed plate is fixedly connected to the upper side of the box body, and a containing box is arranged on the upper side of the fixed plate. The device has the advantages that the insulator body with a higher heating rate than normal temperature can be immersed into normal-temperature photochromic paint in the immersion tank, the cracks on the insulator body are caused to move away by thermal expansion and cold contraction, the paint is sucked into the cracks after the insulator body is cooled, the paint in the cracks is caused to change color when the ultraviolet lamp irradiates the insulator body, the color contrast between the cracks and the insulator body is obviously increased, the recognition effect of the high-definition camera is improved, and the recognition and detection efficiency and accuracy of the device are improved.

The invention relates to the technical field of data processing, and discloses a visual large-screen dynamic display method and system based on data driving, and the method comprises the steps: collecting business scene demand data, generating a display logic configuration instruction, and setting a display content type, a spatial layout and an interaction mode; the calling data interface is connected with a background storage system and obtains service data in real time through the data stream processing module; performing time sequence analysis, sliding window detection and association rule calculation on the data to obtain a freshness index, an abnormal fluctuation parameter and a coupling degree, and judging whether abnormal fusing is triggered or not; performing exception filtering and standardization on the processed data, mapping the processed data into a graph data structure, optimizing layout through the Fresnel's law, adjusting color matching through a color contrast algorithm, and generating a chart graph; and dynamically refreshing the interface by the rendering engine. According to the method, on-demand customization and dynamic adaptation are realized, and the influence of wrong data on the accuracy of a large screen is avoided.

The invention relates to the technical field of visual information detection, and discloses an identification information content intelligent detection method based on visual ergonomics. The method comprises the following steps: acquiring identification visual data, and obtaining a high-resolution image of a target identification and related environmental parameters; based on the collected data, extracting visual ergonomics characteristic functions including brightness distribution, color contrast and text definition indexes; constructing a self-adaptive detection model framework by utilizing the characteristic functions; and performing iterative optimization on the model framework according to a performance objective, operation limitation and environmental constraint of the detection task: inputting feature representation and outputting a detection result evaluation value, performing content compliance analysis on the evaluation value to generate a deviation metric value, judging whether the deviation metric value reaches a preset stable condition or not, and if so, outputting a final detection conclusion, and if not, adjusting the internal parameters of the model and repeating the process until a preset stable condition is met. The method can realize intelligent detection of the identification information.

The invention provides pigment ink for a medical film, which comprises a color developing agent, the color developing agent comprises a first color developing agent, a second color developing agent and a third color developing agent, the first color developing agent is pigment, the second color developing agent is rare earth doped zirconium oxide, and the third color developing agent is nano carbon black; the first color developing agent accounts for 3%-10% of the pigment ink by mass, the second color developing agent accounts for 5%-10% of the pigment ink by mass, and the third color developing agent accounts for 2%-8% of the pigment ink by mass. The pigment ink disclosed by the invention contains three color developing agents, and the three color developing agents are combined to improve the image color contrast and definition of the color developing agents on a blue PET (Polyethylene Terephthalate) film.

This invention relates to the field of medical image processing, specifically to a skin scar image segmentation method for automated skin scar region identification and quantitative analysis. It addresses the problems of low segmentation accuracy, inaccurate boundary modeling, and unreliable quantization calculations caused by insufficient feature representation, weak generalization ability, and reliance on manual intervention in existing methods. The method includes: S1 acquiring a skin scar image; S2 inputting a trained improved SAM2 segmentation network; and S3 outputting a segmentation mask. The improved SAM2 network is trained by constructing and preprocessing a dataset; it includes a frozen-parameter backbone image encoder, a cue encoder, a medical image feature guidance module (extracting texture details, color contrast, and edge morphology features), a residual enhancement module (fusing general features, cue vectors, and medical features through residual connections), and a mask decoder. During training, the backbone network parameters are frozen, and only the cue encoder, medical feature guidance module, residual enhancement module, and mask decoder are fine-tuned.

The invention discloses a color-changeable TPU (thermoplastic polyurethane) film as well as a preparation method and application thereof, and belongs to the technical field of intelligent high polymer materials. The TPU film comprises a thermoplastic polyurethane (TPU) matrix, a color change response system, an interface stabilizer and a functional additive. The color-changing response system comprises at least two different types of color-changing materials, so that multiple environmental stimulus response color changing, such as temperature and light dual response, is realized. The film has the characteristics of sensitive color change response, high color contrast, good color change reversibility, excellent fatigue resistance, high mechanical property retention rate and the like. Through formula and process optimization, the technical problems that a single color-changing material is insensitive in response, low in color-changing contrast ratio, poor in durability and poor in compatibility with a TPU matrix are solved. The TPU film prepared by the invention can be widely applied to the fields of intelligent wearing, safety anti-counterfeiting, dynamic decoration, sensor indication and the like.

The application provides a kind of unmanned aerial vehicle control method based on real night image defogging, including the pre-processing of night fog image, the preliminary defogging of image after pre-processing is carried out using dark channel prior method, obtain a plurality of intermediate results.Based on image contrast, chroma, saliency and color contrast, a scoring model is established.Each intermediate result is input into the scoring model for scoring to obtain the final score of the kth intermediate result of the ith frame of night fog image.According to the final score, generate the binary weight of each intermediate result.According to the binary weight, all intermediate results are fused using a multi-scale fusion strategy.The fusion result is post-processed to obtain the final defogging image.The binary weight is used to selectively fuse the maximum information part of each pixel point of each intermediate result.The multi-scale fusion strategy is used to prevent the generation of artifacts while maintaining high contrast, improving the success rate and efficiency of unmanned aerial vehicle in executing night scene tasks.

The invention discloses an electromagnetic shielding film and a circuit board. The shielding film comprises an insulating layer and a shielding layer, the insulating layer comprises a first protective layer, a color developing layer and a second protective layer which are stacked in sequence; the second protection layer is arranged on the surface of one side of the shielding layer; the gray value of the color of the color developing layer is greater than that of the color of the first protective layer; the absolute value of the difference between the glossiness G1 of the surface of the side, close to the color developing layer, of the second protective layer and the glossiness G2 of the surface of the side, close to the first protective layer, of the color developing layer meets the condition that G1-G2 is larger than or equal to 0 and smaller than or equal to 45, and the light transmittance of the second protective layer is smaller than 40%. When the developing layer forms a hole or is broken down in the technological processes of laser engraving, ablation, mechanical punching and the like, the second protective layer and the first protective layer can still be utilized to form obvious bright and dark color contrast, so that the integrity and definition of the identification code are guaranteed.

The invention discloses a alumen ustum image clear area screening method based on superpixel segmentation and feature classification. The method comprises the following steps: generating a definition image of an original alumen ustum image by using a Laplace operator; enhancing the color contrast of the original alumen ustum image by using the definition image; segmenting the enhanced image into a plurality of small regions by using an SLIC superpixel segmentation method, and storing segmentation boundaries of all the small regions; applying the segmentation boundary to the original alumen ustum image, filling all small areas into a minimum enclosing rectangle, and storing the position and structure information of the minimum enclosing rectangle; using a ResNet feature extraction network to perform feature extraction on the small regions obtained by segmentation; and performing definition classification on all the small areas by using a linear classifier, and returning a classification result to an original image to obtain a clear alumen ustum image. According to the method, automatic identification and screening of clear alumen ustum structures in the image are realized through image small region division and region feature discrimination.

This invention proposes an auxiliary device for accurate burette reading, comprising a clamping assembly with a clamping cavity formed within it for holding the burette. The clamping assembly has a first mounting position and a second mounting position, which are opposite to each other and respectively connected to the clamping cavity. An optical component is located at the first mounting position, comprising a magnifying element and a transparent lens. The transparent lens has graduations, and the magnifying element is located between the transparent lens and the clamping cavity. A color contrast element is located at the second mounting position. By clamping the burette in the clamping cavity at its liquid level, the reading at the burette can be magnified through the transparent lens and magnifying lens at the first mounting position. The second mounting position is opposite to the first mounting position, and the color contrast element at the second mounting position acts as a background to enhance color contrast, facilitating accurate burette reading.

The utility model provides an imitation gold contrast detection device for a wet electroplating metal spectacle frame, which comprises a supporting base, a colored clamping piece is arranged in a colorimetric disc, a fixing component is movably arranged on the side of the top end of the supporting base, and the fixing component consists of a rotating seat, a lighting frame and a fixing seat; according to the utility model, the rotatable fixing assembly is arranged on the side of the colorimetric disc, during comparison detection, the spectacle frame is fixed on the fixing seat at the top of the rotating seat, the middle part of the spectacle frame is pressed through the limiting cotton block at the bottom end of the limiting ring, and the two limiting clamping seats are clamped on the spectacle leg supports of the spectacle frame, so that the two ends of the spectacle frame are limited; after the spectacle frame is fixed, the fixed spectacle frame can be pushed to the colorimetric disc so as to be subjected to colorimetric comparison with the colorimetric piece in the colorimetric disc, the rotating seat can be continuously rotated so as to realize comparison with different color areas of the colorimetric piece, and due to the structural arrangement, the efficiency is higher when color comparison detection is carried out.

The invention provides a system (2.41,81) for controlling an array (281) of light sources (11-19) to render color gradient light (231,232,271), the array (281) comprising at least four individually controllable light sources. The system (2,41,81) comprising an input interface (3,43,83,89) configured to obtain at least four gradient stop colors (C1,C2,C3,C4) and a gradient contrast option; a processor (5,45,85) configured to (i) receive the at least four 5 gradient stop colors and the gradient contrast option from the input interface, (ii) determine color contrasts (CC12,CC13,CC14,CC23,CC24,CC34) between pairs (C1-C2, C1-C3,C1- C4,C2-C3,C2-C4,C3-C4) of the at least four gradient stop colors, (iii) determine a gradient stop color sequence of the at least four gradient stop colors based on the determined color contrasts and the gradient contrast option, (iv) determine a mapping of the at least four 10 gradient stop colors onto at least four light sources of the array of light sources based on the gradient stop color sequence, and a control interface (6,44,84) configured to control the array of light sources to render the gradient stop colors on the at least four light sources.

The utility model discloses an automobile paint color comparison device which comprises a base, a storage barrel coaxially fixed to the upper end of the base and a plurality of colorimetric cards capable of being stored in the storage barrel or displayed from the interior of the storage barrel through a display mechanism. The display mechanism comprises a winding shaft, a sliding block and a flexible display board; a winding shaft is vertically and rotatably arranged in the storage cylinder, a plurality of flexible display boards capable of being wound on the winding shaft are fixedly arranged on the surface of the winding shaft in the circumferential direction of the winding shaft at equal intervals, and a plurality of colorimetric cards made of flexible materials are evenly and detachably arranged on the two sides of each flexible display board; according to the automobile paint color comparison device, more colorimetric cards can be displayed out of the storage cylinder through the display mechanism, so that a user can find the colorimetric cards when the colorimetric cards are not used. When not used, all the colorimetric cards can be stored in the storage cylinder through the display mechanism, and the dustproof effect is achieved.

The present invention relates to a vision inspection lighting device using color contrast and a vehicle exterior vision inspection system using same. The vision inspection lighting device, which inspects a surface defect of a vehicle exterior by irradiating the vehicle exterior with light, includes a plurality of lighting modules each provided with light sources in forward and backward directions to radiate light. The plurality of lighting modules are arranged side by side in a lateral direction, so that the radiated light forms a stripe shape on the vehicle exterior.

The invention relates to the technical field of vehicle design, and particularly discloses a novel tread wear mark and a preparation process thereof. The tread is provided with a first color layer, a second color layer and a third color layer along the depth direction of a pattern groove, the first color layer extends from the outer surface of the tread to 2 / 3 of the depth of the pattern groove, and the second color layer extends from 1 / 3 of the depth of the pattern groove to a normal wear identification position of the tread; the first color layer, the second color layer and the third color layer extend from the tread normal wear identification position to the bottom of the pattern groove, the colors of the first color layer, the second color layer and the third color layer are different from one another, and the tread normal wear identification position corresponds to the position with the pattern depth of 1.6-2.6 mm. The novel tread abrasion mark can be used for various motor vehicle tires and has the advantages of being clear and visual in abrasion indication, clear in early warning stage, high in color contrast ratio, firm in interlayer combination and good in durability.

The invention discloses a visual effect system for graphic design teaching. The visual effect system comprises a teaching content acquisition module; the key frame extraction module is used for extracting key frames from the teaching images and classifying the key frames according to teaching targets; a visual effect matching module; the effect display module is used for displaying the key frame subjected to visual processing; the user interaction module is used for receiving confirmation information or a modification request of a user on a key frame display result; an effect application module and a teaching feedback module. In the aspect of teaching pertinence enhancement, the effect matching in the prior art is based on character features, such as emotions and actions, and is irrelevant to a graphic design teaching target. The technical effect of the method is that design elements such as colors and typesetting are directly associated, and it is ensured that the processing result meets the teaching requirement, such as the influence of the display color contrast on the visual hierarchy.

The present disclosure relates to absorbent articles including absorbent chassis, belts, and waistbands, and more particularly, to diaper pants comprising solid colored substrates, such as nonwoven webs and / or films, combined so as to provide relatively stark color contrasts between waistbands and belts and relatively subtle color contrasts between absorbent chassis and belts. The substrates of the present disclosure, such as nonwovens and films, may comprise a colorant used to create color in a substrate. Such substrates may be used to manufacture portions of an absorbent article, such as components comprising a laminate, that are consumer pleasing and premium looking.

The invention relates to the technical field of detection, and discloses an aluminum alloy casting electric power fitting internal defect detection method and system, and the method comprises the steps: multi-view color infrared image collection and preprocessing: collecting multi-view color mapping infrared images at an initial moment T1 and a moment T2 after a delta t in a fitting cooling process through a plurality of synchronously triggered infrared cameras; and color-temperature calibration, denoising and color contrast enhancement are carried out on the image. The method comprises the following steps: acquiring multi-view infrared images at different moments in an object cooling process through a plurality of synchronously triggered infrared cameras based on a thermal conductivity difference between an aluminum alloy matrix and an internal defect, and converting internal structure information into surface temperature field distribution; multi-view imaging is utilized to realize full coverage of the surface of an object with a complex structure, and a detection blind area is eliminated.

The invention discloses an automobile data recorder test method, system and device, a computer storage medium and a computer program product, and the method comprises the steps: controlling a display to play a test video circularly, and inserting target video segments at preset time intervals in the playing process; the target video segment comprises a plurality of same standard color images; acquiring a video stream played by the display by using an automobile data recorder, and intercepting a target test image corresponding to a test time point from the video stream; the test time point is a time point when the display plays the target video segment every time; performing color comparison on the target test image and the standard color image to obtain a target color difference value; and generating test data of the automobile data recorder according to the target color difference value.

The invention relates to the technical field of color contrast evaluation equipment, and discloses a color contrast evaluation device which can drive a placement table to move through a driving rod so as to assist detection personnel in performing multi-angle, multi-direction and multi-distance observation detection on a sample piece on the placement table, and the detection effect on complex colors is improved.

The invention discloses a bladder irrigation color discrimination infusion apparatus, and relates to the technical field of infusion apparatuses. The throttling device comprises a throttling box and further comprises a grading part arranged on the throttling box. An arrow is arranged on the turntable, the arrow is matched with the scale strips to distinguish the flow velocity, the scale strips are provided with corresponding colors, the turntable is rotated to the corresponding color gradation according to the color gradation where the current urine color of a patient is located, the gap between every two scale strips arranged on the cover plate represents one grade, and a plurality of grade adjustments can be set; and each color gradation has different colors. By arranging the adjusting part, the problems that in the using process of an existing infusion apparatus, only the basic function of flushing fluid conveying can be achieved, no color contrast function exists, consequently, the current flushing fluid flow speed depends on manual adjustment, medical workers need to judge the color gradation of drainage fluid through a urine color contrast card firstly, then the target dripping speed is calculated, and the infusion efficiency is affected are solved. The flow rate of the infusion apparatus is manually adjusted, the operation process is tedious, and the efficiency is low.

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

The invention discloses a multifunctional portable amplification tool. The device comprises a support module, a color conversion module and an amplification module. The multifunctional portable amplifying tool has the advantages that the multifunctional portable amplifying tool can amplify the detection result of the detection card, the colorimetric contrast is prominent, the human visual error is reduced, the detection result can be observed more intuitively and clearly, and the accuracy and reliability of field detection are improved. The method is suitable for application scenes such as household rapid detection of detection cards, observation of luminous animals and plants, provision of excitation light sources for fluorescence labeling detection, nail scissors, condensation ignition, color background noise reduction and the like.

This utility model proposes a vent buckle assembly with a magnetic attraction structure, comprising a load-bearing buckle female component, a female component positioning seat, a female component magnetic attraction ring, a buckle docking male component, a male component positioning seat, and a male component magnetic attraction ring. This vent buckle assembly achieves quick positioning of the load-bearing buckle female component and the buckle docking male component through mutual attraction between the female component magnetic attraction ring and the male component magnetic attraction ring, resulting in a smoother buckling state. The large-area contact between the docking bead and the positioning end tube, along with the limiting ridge structure, enhances mechanical stability based on magnetic attraction, preventing lateral displacement. The load-bearing buckle female component and the female component positioning seat form a vent hole, ensuring air permeability. Electroplated coatings of different materials are applied to the outer wall of the docking bead and the positioning back ring to create color contrast. The exposed end of the docking bead, together with the positioning back ring, forms a fisheye shape, creating a visually striking effect and enhancing the product's aesthetics.

The application is suitable for the technical field of image processing, and provides a grayscale method and device of image data, a terminal equipment and a readable storage medium, the method comprises the following steps: determining a first relationship among a grayscale conversion coefficient, a pixel value and a color contrast of to-be-processed image data; determining the pixel value and the color contrast of a plurality of pixel pairs in the to-be-processed image data; determining the grayscale conversion coefficient according to the first relationship, the pixel value and the color contrast of the plurality of pixel pairs; and performing grayscale conversion on the to-be-processed image data according to the grayscale conversion coefficient, so as to obtain target grayscale image data. The pixel value and the color contrast of the plurality of pixel pairs in the to-be-processed image data are used to calculate the conversion coefficient and perform grayscale conversion on the to-be-processed image data, so that the target grayscale image data after conversion can retain the contrast information of the to-be-processed image data, and the grayscale conversion efficiency and the quality of the target grayscale image data are improved.

The utility model relates to the technical field of test device especially, it is a titration platform convenient to observe, it not only can drive container uniform velocity rotation, has saved the trouble of manual shaking, has guaranteed titration effect, and has discharged outside color interference, has facilitated color contrast, including support mechanism, still including clamping mechanism, fixed establishment, rotating mechanism, comparison mechanism and screening mechanism, clamping mechanism installs on the support mechanism and carries out the clamping to test tube, fixed establishment installs on the support mechanism and carries out the fixed to container, rotating mechanism installs on fixed establishment and drives fixed establishment and container rotation, comparison mechanism installs on the support mechanism and facilitates staff to compare color, screening mechanism installs on comparison mechanism and reduces outside color interference.

1. Name of the designed product: Shirt (containing smoky S-shaped color contrast applique diagonal door collar shirt G251Y020). 2. Use of the designed product: for wearing. 3. Design points of the designed product: in the combination of shape and pattern. 4. Picture or photo best indicating the design points: front view. 5. The designed product is a thin product, and the left view, the right view, the top view and the bottom view are omitted.

The application relates to a light-emitting ornament assembly and a vehicle, which comprises a decorative plate, a non-light-emitting area arranged around a reserved part of the decorative plate, a decorative plate end cover, a light-emitting area of the decorative plate end cover, the decorative plate end cover being arranged on the decorative plate, the light-emitting area being arranged in alignment with the reserved part, a light-transmitting piece arranged on the decorative plate end cover and completely covering the light-emitting area, and a light-emitting component arranged on the side of the decorative plate end cover away from the light-transmitting piece and accommodated in the reserved part. When the light-emitting component is not lighted, the appearance of the light-transmitting piece is consistent with that of the non-light-emitting area of the decorative plate. That is, when observed from the outside, there is no obvious color contrast and difference between the light-emitting area and the non-light-emitting area on the light-emitting ornament assembly, and no obvious boundary line is formed, so that the overall consistency and aesthetic degree of the appearance of the light-emitting ornament assembly can be effectively ensured.

1. Name of the product in this design: Operation selection box for an artificial intelligence search graphical user interface of an electronic device. 2. Purpose of this design: An electronic device. 3. The key design features of this product are the parts of the graphical user interface that require protection. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Purpose of the graphical user interface: The overall interface is an AI search graphical user interface, displaying a split-screen view; the parts of the interface are operation selection boxes for the search graphical user interface. In the left-hand interface, when a user clicks or taps an object or text, the area is automatically recognized and a selection box matching its size is displayed. At this time, a selection area consisting of a rounded rectangle and a highlighted outer border covers the entire image. Users can adjust the size of the selection area using the control points on the edge of the selection box, or they can change the position of the selection area by dragging it. Users can also click the long oval at the bottom of the selection box to perform related operations. 6. Other situations requiring explanation: The dotted lines in the diagram represent content for which protection is not sought. The grayscale tones in the view represent the visual effect of the actual color contrast presented in the interface.

A method of surgical stapling uses a surgical instrument operable to compress, staple, and cut tissue. The instrument includes a body, a shaft, and an end effector with a pair of jaws. A placement tip extends distally from one of the jaws of the end effector. The placement tip is elastically deformable when the placement tip is subject to a clamping force. In some instances the placement tip includes an arcuate bend, while in other instances the placement tip is straight. The placement tip can have a variety of non-rectangular lateral cross-sectional shapes. In some instances, the placement tip is made of a material of a specified durometer range and having a high color contrast. A distal end of the placement tip may change position based on the state of deflection of the placement tip in response to the clamping force.