39results about How to "Avoid jagged" patented technology

The invention discloses a binary tree-based SVM (support vector machine) classification method. The binary tree-based SVM classification method comprises the following steps: 1, acquiring signals, namely detecting working state information of an object to be detected in N different working states through a state information detection unit, synchronously transmitting the detected signals to a data processor, and acquiring N groups of working state detection information which corresponds to the N different working states; 2, extracting characteristics; 3, acquiring training samples, namely randomly extracting m detections signals to form training sample sets respectively from the N groups of working state detection information which are subjected to the characteristic extraction; 4, determining classification priority; 5, establishing a plurality of classification models; 6 training a plurality of classification models; and 7, acquiring signals in real time and synchronously classifying. The binary tree-based SVM classification method is reasonable in design, easy to operate, convenient to implement, good in use effect and high in practical value; and optimal parameters of an SVM classifier can be chosen, influence on the classification due to noises and isolated points can be reduced, and classification speed and precision are improved.

The invention discloses an intelligent steel cord conveyer belt defect identification method and an intelligent steel cord conveyer belt defect identification system. The identification method includes the following steps: (1) electromagnetic loading; (2) defect signal acquisition; (3) feature extraction; (4) training sample obtainment; (5) class priority determination; (6) multi-class model establishment; (7) multi-class model training; (8) real-time signal acquisition and synchronous class: electromagnetic detection units are adopted for real-time detection, detected signals are synchronously inputted into a data processor, features are extracted and then sent into established multi-class models, and the defect class of a detected conveyer belt is automatically outputted. The identification system comprises an electromagnetic loader, a plurality of electromagnetic detection units, the data processor and an upper computer, the data processor can automatically output the defect class of the detected conveyer belt, and the upper computer bidirectionally communicates with the data processor. The design of the invention is reasonable, the invention is easy to operate and convenient to put into practice, moreover, the using effect is good, the practical value is high, the reliability of conveyer belt defect detection is enhanced, and the efficiency of defect identification is increased.

This invention relates to a system and a method for converting non-sequence spot-clouds into triangle griddings based on adaptive flatness, which carries out triangle analysis to spot-clouds in space directly by a non-sequence spot-cloud increment rebuilding algorithm based on adaptive flatness to structure a partial gridding ring from the initial central point based on the partial flat character of a curvature face and a Delaunary analysis rule of triangles and takes points on said gridding ring as the central point according to the generation sequence to structure the partial ring repeatedly to circulate in linearity and spread it to the entire spot set and get a topological structure finally so as to increase conversion velocity and reduce conversion time.

The invention discloses a method for optimizing a disaggregated model by adopting genetic algorithm. The method comprises the following steps of: 1, acquiring a training sample, wherein the acquiring process includes signal acquisition, characteristic extraction and sample acquisition; 2, selecting kernel function: radial basic function is selected as the kernel function of a disaggregated model needing to be established, and the disaggregated model is a support vector machine model; and 3, determining penalty parameter C and kernel parameter gamma: a genetic algorithm is adopted to optimize the penalty parameter C of the disaggregated model needing to be established and the kernel parameter gamma of the selected radial basic function and the optimization process includes population initialization, calculation on the fitness value of each individual in the initialized population, selection operation, interlace operation and variation operation, calculation on the fitness value of each individual in the offspring, selection operation and judgment on whether the termination condition is met. The method is reasonable in design, simple and convenient in operation, convenient to realize and good in use effect and high in practical value; the classification precision of the obtained disaggregated model is high, the training speed is high and the number of support vectors is less.

The map display device of the present invention includes: a model-view transformation matrix generating unit (102c) for generating a model-view transformation matrix of 4 rows and 4 columns for converting the global coordinates of a 3-dimensional object into a viewpoint coordinate system; a model-view transformation matrix changing unit (102d), when performing coordinate transformation by multiplying the model-view transformation matrix from the left side of the coordinates, change the value of the first row, the second column, and the third row, the second column of the model-view transformation matrix to 0, and On the one hand, when performing coordinate conversion by multiplying the model-view transformation matrix from the right side of the coordinates, change the value of the 2nd row, 1st column and the 2nd row, 3rd column of the model-view transformation matrix to 0; the model view The conversion unit (102e) converts the global coordinates into the viewpoint coordinate system using the changed model-view conversion matrix.

The embodiment of the invention provides a linear image correction method and system for laser imaging and related equipment, which are used for solving the problem of geometric distortion of a linear image in a laser imaging process. In the embodiment of the invention, the image correction system takes a direction opposite to the offset of a target line segment as a correction direction, takes the offset of the target line segment in the X-axis direction as a correction distance, moves the pixel row where the target line segment is located so as to generate the correction image, so that laser imaging equipment can offset the offset of the image in the X-axis direction in the exposure imaging process . Meanwhile, in the corrected image, the correction distances of the pixel points on the same target line segment are the same, the corrected target line segment is still perpendicular to the X-axis direction, and the edge of the vertical line segment has no convex pixel points similar to the oblique line edge, so that sawteeth similar to that of the oblique line image edge in the laser exposure process can be effectively avoided, and the straightness of the linear image after exposure imaging is ensured.

The invention provides a method and device for deinterlacing. The method comprises the following steps: using difference values between pixels, corresponding to the pixel for interpolation, in the previous field and the subsequent field and the pixel values, corresponding to the next pixel for interpolation, in the previous field and the subsequent field, as well as the movement weight value of the previous interpolation pixel to calculate the movement weight value of the pixel for interpolation to calculate the inter-field interpolation and the in-field interpolation of the pixel for interpolation; using the inter-field interpolation, the in-field interpolation and the movement weight value of the pixel for interpolation to calculate the initial pixel value of the pixel for interpolation; calculating the relativity of the current field in multiple directions according to the difference values among the pixel values of the pixels in multiple directions in the current field; selecting multiple pixels in the direction with the maximal relativity and the pixel value of the pixel corresponding to the pixel for interpolation in the previous field for filtering; calculating the compensation pixel value, and calculating the determined pixel value of the pixel for interpolation according to the initial pixel value, the compensation pixel value and the in-field interpolation. The device is used for realizing deinterlacing by adopting the method. The device for deinterlacing is small in amount of calculation, lower in requirement on a hardware device and good in output picture quality.

The invention discloses a data render method and a device. The data render method comprises the steps of reading and storing frame data collected by a video card, changing the data structure of the frame data when the data structure of the frame data is interleaved data, combining frame data in lines of odd number together, enabling the combined frame data in the lines of the odd number to be served as odd-number data, combining frame data in lines of even number together, enabling the combined frame data in the lines of the even number to be served as even-number data, and carrying out data rendering on the frame data according to output needs. According to the data render method and the device, through combination of the odd-number data and the even-number data of the interleaved data, the odd-number data are read and rendered when the odd-number data need to be rendered, the even-number data are read and rendered when the even-number data need to be data rendered, due to the fact that data conversion process line by line is not conducted on the interleaved data, the phenomenon of sawteeth and glint when a rendering picture is output is avoided, meanwhile, occupancy amount of resources of a central processing unit (CPU) is reduced, and efficiency of three-dimensional real-time render is improved.

The invention discloses an image reduction method, which comprises the following steps: obtaining a reduction ratio, and decomposing the reduction ratio and determining a ratio factor for reduction so that the ratio factor is smaller than or equal to the preset threshold if the reduction ratio is greater than a preset threshold; sampling an image, and determining a reference pixel matrix; determining the pixel value of each point through a B-spline curved-surface function according to the reference pixel matrix, and reducing the image; and judging whether remaining ratio factors exist, returning to sample the image if yes, and no processing is conducted if no. According to the invention, the ratio factor is controlled to be within the range of preset values by decomposing the ratio factor; and the B-spline curved-surface function is adopted to determine the pixel values, so as to avoid zigzags after image reduction and guarantee the integrity of the reduced image.

The invention discloses a fluorine-containing water-soluble polymer material. According to the invention, carboxyl modification is conducted on water-soluble polymer resin; a main chain of the water-soluble polymer resin is polyacrylic acid which is as described in the specification, and a carboxyl group of a branched chain is changed into -COOR<f>, wherein R<f> is a perfluoropolyether structuralunit or a perfluoro straight-chain structural unit; a perfluoropolyether structure is as described in the specification, wherein m in the perfluoropolyether structure is 0-9; CF<3>(CF<2>)<n> is adopted as a perfluoro straight chain structure, wherein n ranges from 1 to 6; the molecular weight M<w> of the water-soluble polyacrylic acid ranges from 1000 to 100000; and in the fluorine-containing water-soluble polymer material, the molecular weight of elemental fluorine is 1%-60% of the total molecular weight, so subsequent fluorine content adjustment and pH value adjustment can be facilitated.

The invention discloses a reworking method of copper-clad plate circuit manufacturing abnormal products. The reworking method comprises the following steps of acid pickling, film pasting, engineeringdata compensation adjustment, secondary alignment exposure, development, secondary etching, film stripping and inspection. The reworked abnormal product is a copper-clad plate subjected to one-time circuit manufacturing, oxides, oil stains, fingerprints and the like on the surface of the plate are removed in the acid pickling step, and the copper surface of the plate is roughened, so that subsequent copper plating of the copper surface is facilitated. In the step of engineering data compensation adjustment and the step of secondary alignment exposure, it is guaranteed that a short-circuit areacan be etched off through secondary etching, meanwhile, the problems of line negligence, sawteeth, steps and the like after secondary etching can be avoided, and the quality of plate reworking is improved. The invention further discloses a printed circuit board, the printed circuit board is manufactured by adopting the reworking method for manufacturing the abnormal product through the copper-clad plate circuit, recycling of the abnormal product is achieved, and the production cost is reduced.

The invention discloses a road condition drawing method, a related device and a client. The method comprises the following steps: determining the width of a road condition texture required to be intercepted from a preset road condition texture template according to the preset road texture template; according to the width, intercepting the road condition texture with the corresponding width from the road condition texture template, wherein the intercepted road condition texture comprises a road condition color value; and mapping the intercepted road condition texture to a position corresponding to the end part of the road to be drawn. The width of the road condition width texture matched with the to-be-drawn road can be dynamically adjusted according to the actual road drawing requirement, so that the phenomenon of hollowness between the road width and the road condition width in the prior art is avoided, and the map graphical display effect is improved.

The invention provides an arc welding wire feeding heat conduction mechanism which comprises a heat conduction nozzle, a first wire feeding mechanism and a control mechanism. A welding wire is conveyed into the heat conduction nozzle through the first wire feeding mechanism, and the heat conduction nozzle and the first wire feeding mechanism are located on the same straight line so that the welding wire between the heat conduction nozzle and the first wire feeding mechanism can be kept in a straight line state. The control mechanism is connected with the first wire feeding mechanism so as to control the first wire feeding mechanism to do reciprocating motion in the moving direction of the welding wire, when the first wire feeding mechanism gets close to the heat conduction nozzle, the first wire feeding mechanism clamps the welding wire and drives the welding wire to move in the direction of the heat conduction nozzle, and when the first wire feeding mechanism gets far away from the heat conduction nozzle, the first wire feeding mechanism loosens the welding wire. According to the arc welding wire feeding heat conduction mechanism, in the welding wire conveying process, the welding wire can be prevented from being in a sawtooth shape, and the problem of welding wire deviation caused by heat conduction nozzle wear is solved.

The invention discloses an intelligent steel cord conveyer belt defect identification method and an intelligent steel cord conveyer belt defect identification system. The identification method includes the following steps: (1) electromagnetic loading; (2) defect signal acquisition; (3) feature extraction; (4) training sample obtainment; (5) class priority determination; (6) multi-class model establishment; (7) multi-class model training; (8) real-time signal acquisition and synchronous class: electromagnetic detection units are adopted for real-time detection, detected signals are synchronously inputted into a data processor, features are extracted and then sent into established multi-class models, and the defect class of a detected conveyer belt is automatically outputted. The identification system comprises an electromagnetic loader, a plurality of electromagnetic detection units, the data processor and an upper computer, the data processor can automatically output the defect class of the detected conveyer belt, and the upper computer bidirectionally communicates with the data processor. The design of the invention is reasonable, the invention is easy to operate and convenient to put into practice, moreover, the using effect is good, the practical value is high, the reliability of conveyer belt defect detection is enhanced, and the efficiency of defect identification is increased.

The invention belongs to the technical field of graph drawing, and provides a layered image data real-time drawing method and system, and the method comprises the steps: storing a tile set of a regional terrain into a server, and publishing a first network address; storing the image service catalog of each level of image into a server, and issuing a second network address; a JSON configuration file is generated; reading a corresponding tile according to the first network address, and constructing a terrain grid of the current viewport area; obtaining a second network address of the current viewport area, reading each level of image service catalog according to the second network address, constructing an index address by using information in the image service catalog, and reading slices of each level of the current viewport area according to the index address; and sequentially mixing the slices of all hierarchies and then outputting an image, and drawing the image on the terrain grid. The method is used for solving the technical problems of access, indexing and drawing of massive tile data and serious layer fracture and rasterization at joints of different levels in the prior art.

The invention provides a cutting auxiliary device for a centralizer of a measurement-while-drilling system, which comprises a base, the base is provided with an arc-shaped lower surface and a horizontal upper surface, the arc-shaped lower surface is used for being attached to the surface of the centralizer, and a through first strip-shaped hole is formed in the center of the base and corresponds to a rubber wing of the centralizer; the pressing block is provided with a second strip-shaped hole which is the same as the first strip-shaped hole in the base, and a rubber wing of the centralizer can penetrate through the second strip-shaped hole; the gasket is arranged between the base and the pressing block and located on the side portions of the first strip-shaped hole and the second strip-shaped hole, and the gasket can be replaced; the adjusting nut is arranged on the pressing block and penetrates through the pressing block to be screwed into the base, the pressing block and the gasket are locked through screwing or releasing of the adjusting nut to achieve positioning of the centralizer rubber wing at the preset height, and when the adjusting nut is located at the releasing position, the gasket is unlocked.

The device is in use for sensing TV image signal. When it is detected that source of TV image is from movie signal and not from video signal, deinterleaving process can be carried out for signal in movie mode by line multiplier directly in order to increase vertical resolution of TV image signal so that saw-toothed TV image caused by poor edited image signal will not create. The invention can detect poor edited image signal before it is played so as to prevent saw-toothed image created.

The invention discloses a piercing device for beverage capsules. The piercing device for beverage capsules comprises a bottom mold and a punch, wherein the bottom mold comprises a capsule positioninggroove and a piercing positioning structure; the capsule positioning groove is an annular inner groove; a side wall of the capsule positioning groove consists of a vertical main positioning plane anda secondary positioning plane of which the top is inclined outwards to form an oblique plane; the main positioning plane is projected out of the secondary positioning plane so that the capsule positioning groove is step-shaped; the piercing positioning structure is arranged in the center of the bottom surface of the capsule positioning groove, and is a hollow cylinder which is projected out of thebottom surface of the capsule positioning groove; the punch comprises a cylindrical head and a tail; the outer diameter of the cylindrical head is smaller than the inner diameter of the piercing positioning structure; the tail is fixedly connected with a piercing power mechanism; and the vertical projection of the punch drops in the piercing positioning structure. The invention further provides apiercing method. A pierced region of a capsule shell pierced on the basis of the piercing device and method is flat and smooth, and thus, the piercing device and method for beverage capsules are suitable for efficient industrial production of an assembly line.

The invention relates to the technical field of image processing, in particular to an image resolution reconstruction method, which comprises the following steps that pixels of an original image are projected into an amplified image in equal proportion, and values are assigned to blank pixels inserted into reference pixels according to the projected reference pixels; the assignment of the blank pixel can be closer to the value of the reference pixel closer to the blank pixel, so that the overall sharpness of the image is higher, and excessive blurring of the image after resolution reconstruction is avoided; meanwhile, the edge position is assigned in an exponential level mode, so that the RGB value of the blank pixel at the edge position can be quickly converged, the value of the blank pixel at the edge position can be closer to the value of the reference pixel at the edge, and edge blurring and sawteeth are avoided.

The invention discloses an image interpolation method and an image interpolation device based on a spline surface. The image interpolation method comprises the following steps that: a control point matrix containing pixels to be interpolated in an original image is selected; and the pixel value of each pixel of an interpolation matrix containing the pixels to be interpolated in an enlarged image through a spline surface function and the control point matrix. With the adoption of the image interpolation method based on the spline surface and the device, the spline surface function can be adopted to construct a curved surface so as to realize the interpolation of the image, serration generated by the conventional interpolation method can be well avoided, the values of reference points in the image enlarging process are moderately adjusted, so that the contrast ratio and the effect of the edge of the enlarged image are better improved, and the efficiency of image enlargement reconstruction is ensured through simplification of the algorithm.

The invention discloses a dividing and cutting machine with a straight knife dividing and cutting mechanism and a using method of the dividing and cutting machine. The dividing and cutting machine comprises a power distribution cabinet, fifteen knife bases and two symmetrical triangular plates, wherein a controller is installed on the inner side wall of the power distribution cabinet, the rear surface of the power distribution cabinet is in threaded connection with a slide carriage box through screws, one side of the slide carriage box is fixedly connected to a material storage roller through a coupler, one side of the slide carriage box is fixedly connected to two connecting rollers through couplers, a straight knife module is designed on the basis of a jaw structure of the knife bases and can be rapidly assembled and disassembled, the jaw structure and a cross beam strip can be accurately buckled, a guide rail groove can be moved in a double-point matching mode through a protruding block in a moving process, the mechanical characteristic of stepped adjustment of a pawl and a ratchet bar is utilized in the moving process, the cutter bases form reverse stroke stepped feeding motion, so that the cutter bases are accurately positioned at each scale of a scale plate in the moving process, and the requirements of accurate moving and positioning are met.

The embodiment of the invention provides a manufacturing method of a metal electrode. The manufacturing method of the metal electrode comprises the following steps: providing a substrate layer; forming a metal layer on the substrate layer; forming a photoresist layer with a preset pattern on the metal layer; performing first etching on the metal layer to form a metal layer with a preset pattern; carrying out protection processing on the side edge of the metal layer with the preset pattern; performing second etching on the photoresist layer with the preset pattern to expose the metal layer withthe preset pattern; and performing third etching on the metal layer with the preset pattern to form a metal electrode. According to the scheme, after the metal layer with the preset pattern is formed, the side edge of the metal layer with the preset pattern is protected, the influence of subsequent etching on the side edge of the metal layer with the preset pattern can be avoided, and therefore sawteeth are prevented from appearing on the metal electrode.