46 results about "Boundary length" patented technology

The invention belongs to the technical field of two-dimensional code identification, and provides a rapid positioning and identifying method based on two-dimensional code decoding. The method comprises the following steps: performing median filter processing on an entire image; scanning the image, judging whether or not a two-dimensional code exists in the image, and if so, acquiring a two-dimensional code regional coordinate; intercepting a two-dimensional code image; performing adaptive binarization processing; performing connected area disposal on black pixel points; screening four boundaries; converting the coordinate system of the image into the coordinate system of the two-dimensional code; projecting the two-dimensional code under a new coordinate system to obtain the directivity, real boundary length and coordinate of the two-dimensional code and the barycentric coordinates of black-white blocks; judging the gray values of the black-white blocks to obtain a two-dimensional code information matrix; and acquiring decoding information. The method can adapt to various working conditions, and has the advantages of high contrast, high interference resistance and low investment cost. Automatic positioning and identifying functions can be finished by only one set of industrial camera and light source; high working efficiency is achieved; and the production requirement of an assembly line is met to the maximum extent.

A method of placing a dummy pattern in a wiring region includes calculating a density of a wiring pattern in the wiring region and calculating a value of a length of a periphery of the wiring pattern. The dummy pattern is then set such that a total of the pattern density and the value of the length of the periphery of the wiring pattern and the dummy pattern in the wiring region falls within specified ranges in the wiring region.

The invention discloses a robust automatic image salient region segmenting method. The robust automatic image salient region segmenting method includes the steps of firstly, subjecting an image to superpixel segmenting to obtain geodesic distances, generating regions, boundary length and boundary communication values of image superpixels; secondly, subjecting an original input image to superpixel segment by an HSLIC (hexagonal simple linear iterative clustering) method, performing overall saliency detection by an SC (superpixel contrast) method to obtain a salient image of the image; finally, adopting the boundary communication values and a saliency value of the salient image, performing image segmenting and outputting a salient region segmenting result of the image. The robust automatic image salient region segmenting method has the advantages that the boundary communication values, the image saliency value and the image segmenting method are combined, and the image salient region segmenting result can be obtained by the aid of an automatic image segmenting technology.

Provided are an all solid-state secondary battery capable of exhibiting an improved ion-conducting property regardless of troublesome manufacturing steps or special materials, inorganic solid electrolyte particles, a solid electrolyte composition, an electrode sheet for a battery, and a method for manufacturing an all solid-state secondary battery.

An all solid-state secondary battery comprising: a positive electrode active material layer; a negative electrode active material layer; and an inorganic solid electrolyte layer between the positive and negative electrode active material layers, in which inorganic solid electrolyte particles satisfying all of the following data A are included in at least any layer of the positive electrode active material layer, the negative electrode active material layer, or the inorganic solid electrolyte layer:

• • <data A>
    • a boundary length of a projected particle of the inorganic solid electrolyte particle is represented by L;
    • a cross-sectional area of the projected particle of the inorganic solid electrolyte particle is represented by A;
    • an unevenness coefficient FU represented by Expression (1) below is in a range of 0.85 or more and 1 or less;

FU=4πA/L²  (1).

This semiconductor device according to the present invention includes a plurality of cylindrical lower electrodes aligned densely in a memory array region; a plate-like support which is contacted on the side surface of the cylindrical lower electrodes, and links to support the plurality of the cylindrical lower electrodes; a pore portion provided in the plate-like support; a dielectric film covering the entire surface of the cylindrical lower electrodes and the plate-like support in which the pore portion is formed; and an upper electrode formed on the surface of the dielectric film, wherein the boundary length of the part on the side surface of the cylindrical lower electrode which is exposed on the pore portion is shorter than the boundary length of the part on the side surface of the cylindrical lower electrode which is not exposed on the pore portion.

The invention provides a remote sensing image landslide single body dividing method. The method includes based on the multi-spectral image data and DEM data of the study area, performing landslide extraction to obtain landslide objects; setting the NDVI standard deviation threshold and fusing the obtained landslide objects by means of a fusion algorithm; further fusing the fused landslide objects to a landslide trunk by means of the common boundary length threshold between landslides; and fusing the landslide trunk to the surrounding landslide objects by means of the percentage threshold of the common boundary in the landslide circumference to obtain landslide single bodies. According to the landslide single body dividing method, the extracted landslide objects can be divided into landslide single bodies one by one, so that an unreasonable huge landslide area can be prevented. Particularly, the large-scale landslide hazard caused by earthquakes or heavy rains can be rapidly evaluated, so that the landslide hazard area and quantity are obtained to be the reference for the post-disaster emergency rescue and rehabilitation work.

The invention discloses a watershed segmentation method based on an improved fast merging algorithm. The method includes the following steps: (1) developing a complete set of preprocessing-based watershed segmentation algorithm technological process based on GF-1 data; (2) studying the influence of the global markup threshold alpha and the regional adaptive threshold adjustment coefficient g in the preprocessing-based watershed segmentation algorithm on the segmentation result, and analyzing the value ranges of alpha and g; (3) based on the initial segmentation result of the preprocessing-based watershed segmentation algorithm, using a Fast Lambda merging algorithm based on controllable common boundary length penalty to carry out region merging on the initial segmentation result through RAG and NNG to achieve a satisfactory segmentation result; and (4) studying the influence of the region merging control threshold T and the common boundary penalty coefficient lambda in the Fast Lambdamerging algorithm based on controllable common boundary length penalty on the merging result, and analyzing the value ranges of T and lambda.

The invention provides a measuring method of amount of soil wind erosion in the plot, which comprises the first step, the plot for measuring and boundary are set; the second step, the soil wind corrosion circle is set; the third step, wind measuring device and collection part are installed; the fourth step, the speed and direction of the wind are counted; the fifth step, soil wind erosion material flow is corrected; the sixth step, the soil wind erosion material flow contributed by different grade of wind speed is determined, the seventh step, the eighth step, the soil wind erosion material flux is calculated; the ninth step; the relationship between the flux of the soil wind erosion material and the boundary length to the upper wind direction of the soil wind erosion circle is proposed, the length of the soil wind erosion in the plot to reach saturation state is determined; the tenth step, the length of the soil wind erosion saturation of other direction in the condition of different wind speed grade (i), the eleventh step, the irregular shape plot is converted into the equal area round plot; the twelfth step, the wind corrosion amount of different wind speed grades of each wind direction and the soil wind corrosion amount of plot are calculated.

The invention discloses a multi-modal region-consistent significance object detection method based on foreground and background priori. The method comprises the following steps: 1) obtaining a color image and a depth image of a scene, while generating a point cloud; 2) using the color image and the depth image for the scene segmentation; 3) using an object region-based detection method for detecting all regions of the image to obtain a focal region, taking the focal region as foreground priori in the color image; 4) detecting a plane region of the point cloud as a background priori, obtaining point cloud data from the color image and the corresponding depth image, detecting a plane structure in the point cloud data, then calculating the boundary length of a scene connection boundary, calculating a background connectivity of plane segmentation, and obtaining over-segmentation background weight; 5) calculating to obtain a global region contrast SG(rk), obtaining a significance map through the formula below: S(rk)=SF(rk)*SB(rk)*SG(rk). The multi-modal region-consistent significance object detection method effectively improves the accuracy.

The invention discloses a sub-pixel boundary rapid detection method for tool measurement. The method includes four steps of image preprocessing, image binarization, pixel boundary location and sub-pixel boundary optimization. The image binarization adopts the OTSU method to automatically calculate the threshold of the image, so that the invention can adapt to the change of environmental brightness; based on the connectivity clustering, the pixel-level boundary of the image is obtained. In order to reduce the influence of noise, for the boundary whose length is less than the average boundary length Filtering out; sub-pixel boundary optimization adopts the method of bilinear interpolation, using the threshold value in the binarization method as a reference value, and interpolating in the x and y directions respectively to obtain the boundary of sub-pixel precision. Due to the adoption of the OTSU automatic threshold calculation method and bilinear interpolation method, the invention does not require manual interaction and parameter setting, and is simple in calculation, strong in robustness, and capable of adapting to changes in ambient brightness. Without increasing hardware costs, the invention can greatly Improve measurement accuracy in tool measurement.

The invention discloses a liquid surface tension coefficient measuring device. A force sensor is arranged on a support frame; the support frame is fixedly arranged on a base; a culture dish for containing liquid to be tested is arranged right under a hanging ring; an opening formed in the bottom of a sleeve is connected with one end of a hose; the other end of the hose is provided with two branchpipes; a one-way valve is connected onto one branch pipe; a flow limiting valve is connected onto the other branch pipe; liquid is contained in a liquid tank; a compression block is glidingly matchedwith the upper part of the liquid tank; a thin sheet suspends on the surface of the liquid to be tested in the culture disk; the diameter of the thin sheet is smaller than the inner diameter of the hanging ring. A liquid membrane is lifted by the hanging ring in a hydraulic mode; the liquid membrane generates slow and uniform changes; the vibration is small, so that the measurement precision is ensured. By the scheme, the suspended thin sheet is additionally added in the liquid to be tested; the waist collection degree during the liquid membrane pulling can be effectively reduced by the thin sheet, so that when the inner diameter*2 of the hanging ring is used as the boundary length 1, the errors are small.