105results about How to "Obvious contrast" patented technology

The invention discloses an electrical equipment appearance abnormity detection method based on image comparison. The electrical equipment appearance abnormity detection method includes normalizing an image photographed during current routing inspection, registering the image with an image photographed at the same position and angle during historical routing inspection, continuing region segmentation on the two registered images respectively, extracting a plurality of characteristics of each region image, fusing the characteristics, calculating difference between the corresponding characteristics of the two images, comparing the difference with a preset threshold value and judging whether the image photographed during current routing inspection is abnormal or not. The electrical equipment appearance abnormity detection method has the advantages that abnormity detection of different types of electrical equipment is achieved under the same algorithm framework; the two images photographed at the same stop and angle by a routing inspection robot during different moments are compared, region changes of the images, with the same content, respectively photographed at a current moment and during historical routing inspection are judged, and accordingly, abnormities, such as damage and foreign-matter suspension, of the electrical equipment are detected.

The invention provides an image display method and an intelligent device and is applicable to the field of image processing. The method comprises the steps of converting one frame of red green and blue (RGB) video signals into luma and chroma (YUV) video signals; calculating input gray value distribution of luminance Y signals, revising the luminance Y signals of the video signal according to statistical results; determining luminance difference value before and after revising the luminance Y signals, adjusting chroma UV signals of the video signals according to the luminance difference value, a preset chroma threshold value, a preset first scale factor or preset second scale factor, wherein the preset first scale factor and the preset second scale factor are both larger than 0; and outputting and displaying the video signal after adjusting luminance and color. An embodiment of the image display method and the intelligent device can improve visual sense of a user and improves good experience of the user.

The invention discloses a method for realizing two kinds of luster. The method comprises the following steps: electroplating so as to form a first non-conducting coating film layer, wherein the first non-conducting coating film layer is formed on a base material; spraying the first non-conducting coating film layer with high-light UV(ultra violet) surface paint so as to form a high-light UV surface paint layer; blocking the high-light UV surface paint layer by a jig, and spraying an exposed part of the jig with non-bright UV surface paint so as to form a non-bright UV surface paint layer, therefore, the contrast of a mill surface and a matt surface is formed by the high-light UV surface paint layer and the non-bright UV surface paint layer. The invention further discloses a plastic casing and a terminal. Through the use of the method disclosed by the invention, the mill surface and the matt surface of a product can be realized, so that the sharp contrast of the mill surface and the matt surface is formed on the surface of the plastic casing of the terminal to enable the texture of the plastic casing to be better.

The invention discloses a gastrointestinal contrast agent which is prepared by uniformly mixing 60-80 weight parts of barium sulfate and 10-20 weight parts of traditional Chinese medicine extract, wherein the traditional Chinese medicine extract is prepared from the following raw material components: honeysuckle, astragalus, liquorice, bighead atractylodes rhizome, Poria cocos, Angelica sinensis, Chinese yam, medlar, plantain herb, hawthorn, Codonopsis pilosula, Chinese-date, Ligusticum wallichii, Rehmannia Glutinosa, dried tangerine or orange peel and glossy privet fruit. The contrast agent is clear in image, obvious in contrast and stable in physical and chemical properties, has the treatment effects of eliminating dampness and heat, regulating the flow of vital energy and soothing middle-Jiao and warming the middle-Jiao and invigorating the circulation of blood, can provide a protective effect for the gastrointestinal tract, relieves the symptoms such as stomachache, gastric acid, hematemesis and emesis of patients, is obvious in acid inhibition effect, does not have any adverse reaction, has high safety and comfort level and is suitable for clinical gastrointestinal conventional and special examination and ultrasound contrast.

The invention discloses a water life jacket with a light-emitting device, which comprises a life jacket and a light-emitting device fixed on the life jacket. The light-emitting device consists of an internal wireless charging receiving module, a wireless rechargeable battery, a light-emitting diode, a resistor, a light-emitting diode drive circuit, a system control circuit, a flexible circuit board, an externally encapsulated transparent rubber sleeve, a humidity sensor, a touch switch and a wireless positioner, and is externally separated from a wireless power supply module and a power supply; the flexible circuit board is fixedly provided with the wireless chargeable battery, the resistor, and the light-emitting diode which are connected and driven by the light-emitting diode drive circuit and are connected and controlled by the system control circuit; the wireless chargeable battery, the resistor, and the light-emitting diode are connected to form a light-emitting block or a light-emitting rod with a certain shape; the surfaces of the light-emitting block or the light-emitting rod are sealed by the externally encapsulated transparent rubber sleeve; the outside of the externally encapsulated transparent rubber sleeve is provided with the humidity sensor which sends a trigger signal when contacting water to start the system control circuit so as to make the light-emitting device emit light. The water life jacket with the light-emitting device has the advantages of reliable water resistance, convenient charging, small power consumption and long light-emitting time.

The invention discloses an infrared image pseudo color processing method based on a YUV color space. The infrared image pseudo color processing method based on the YUC color space comprises steps of using a YUV format gray-scale image obtained from an infrared thermal imaging system, using a gauss low pass filter to perform pretreatment on the YUV format gray-scale image, extracting a value of a Ychannel of the YUV format gray-scale image which is the gray value, establishing a mapping model I between the gray scale value Y and an RGB color space through a gray scale and color conversion method, establishing a mapping model II between the YUV color space and the RGB color space according to an NTSC system standard and establishing a pseudo color processing model III based on the YUV colorspace according to the model I and the model II . The infrared image pseudo color processing method based on the YUV color space can directly convert the gray scale image to the pseudo color image through the established model III. The infrared image pseudo color processing method based on the YUV color space can save conversion time of the color space under a condition that quality and a contrast ratio of the image are constant with a traditional pseudo color processing effect based on the RGB color space and can dramatically improve processing efficiency and instantaneity.

The invention belongs to the field of ceramic glaze material, and more specifically relates to a black gold sand glaze porcelain widely applied to the fields of art ceramic or household ceramic, and a preparation method thereof. According to the preparation method, black gold sand effects of the black gold sand glaze porcelain are realized via combination of bottom glaze and surface glaze, the black gold sand glaze porcelain obtained via firing possesses black bottom color, and the black bottom color is covered with golden gold sand particles; under a microscope, the gold sand particles are polygonal particles, light-reflecting effect of the gold sand particles is excellent, striking contrast effect and unique artistic effect are achieved via combination of the black bottom color with the gold sand particles; the bottom glaze and the surface glaze of the black gold sand glaze porcelain are combined firmly; and service life is long. The invention also provides the preparation method of the black gold sand glaze porcelain; the glaze surface effect can be achieved via adjusting the formula and thickness of bottom glaze with surface glaze; black gold sand glaze porcelain finished product ratio is high; firing temperature is low; energy is saved; the preparation method is friendly to the environment; and energy consumption is reduced.

The invention discloses a method for realizing monochromatic double-luster, a plastic housing and a terminal. The method comprises the following steps: metallization is carried out to form a non-conductive coating which is formed on a base material; after the metallization step, an UV finish is sprayed to form an UV finish layer; laser etching is carried out on a part of areas of the UV finish layer so as to form a laser etching area; and spraying or covering operation is no longer carried out on the UV finish layer. Through the above mode, comparison between a shiny finish and a matt finish can be realized, and luster is no longer single. In addition, the laser etched UV finish layer is used as the outermost layer of the plastic housing, and spraying or covering operation is no longer carried out on the UV finish layer. Thus, the laser etching area is exposed to the surface of the product so as to make the comparison between the shiny finish and the matt finish of the plastic housing's surface to be more distinctive and make texture to be more excellent.

The improve optical mechanism for optical mouse is assembled inside optical mouse, and has one black paint layer painted to the side surface of the light sensor or one other light absorbing layer formed through surface treatment of the said surface to absorb reflected light, which is not projected to the light sensor. The light sensor has increased contrast and raised image judging capacity.

The invention discloses a meter and a photoelectric sampling device and a photoelectric sampling method of the meter, which belong to the technical field of flow measurement, and solve the problem oflight interference caused by the fact that an existing meter adopts reflection type optical signal sampling. The photoelectric sampling device of the meter comprises a light emitter, a light receiverand a rotary disc, wherein the light receiver and the light emitter are oppositely arranged, and a light correlation region is formed between the light receiver and the light emitter; and the rotary disc is driven by means of a base meter of the meter to rotate, a shading part and a light-transmitting part are arranged on the rotary disc, and the shading part and the light-transmitting part alternately pass through the light correlation region through the rotating motion of the rotary disc. According to the photoelectric sampling device and the photoelectric sampling method, correlation optical signal sampling is carried out, the problem that light is easily interfered by external light in reflection-type optical signal sampling is solved, the identification difficulty of sampled signals is reduced, and the manufacturing process requirement and the assembly requirement of product parts are reduced.

The embodiment of the invention provides a gray correction method of a two-dimensional image. The method comprises the steps of: dividing a two-dimensional image into a plurality of square subareas with the same quantity of pixel points, calculating one gray mean value and one standard difference in each subarea, selecting subareas having quantities of pixel points exceeding a preset threshold ascorrection subareas, wherein the absolute values of differences of the gray values and the mean values of the pixel points are larger twice than a standard difference, fitting a Gaussian distributioncurve according to the gray of each pixel point in subareas of all the non-correction subareas, and performing correction of the fitting Gaussian distribution curve in each correction subarea. The method can improve the contrast of a detection object and can improve the detection sensitivity.

The present invention discloses an identification method of buckling of a band steel. The method comprises the steps: 1) obtaining the original image of the band steel; 2) performing enhancement process of the original image through adoption of a contrast stretching method; 3) obtaining an edge image according to the image after enhancement process; 4) performing the Hough transformation of the edge image, and determining whether the image has the straight line or not according to the result of the Hough transformation, wherein the slope of the straight line is the approximately equal to the band steel edge straight line, and the straight line is aggregated in a narrow range; and 6) if the image has the straight line, determining the buckling of the band steel occurs, wherein the area where the straight line is aggregated is the position where the buckling occurs. The identification method of buckling of the band steel is able to rapidly and accurately perform on-line identification of the buckling defect of the band steel and perform positioning of the position where the buckling defect is located. Besides, the identification method of buckling of the band steel is high in efficiency, high in precision and good in reliability; and moreover, the identification method of buckling of the band steel is good in flexibility and is convenient for workers to operate.

The invention discloses contrast powder for gastrointestinal ultrasonic diagnosis, and belongs to the field of traditional Chinese medicine. The powder comprises the following effective components in parts by weight: 70-90 parts of liquorice, 60-85 parts of salvia miltiorrhiza, 55-70 prts of rhizoma pinellinae praeparata, 50-65 parts of concha haliotidis, 45-65 parts of bighead atractylodes rhizome, 45-60 parts of mangnolia officinalis, 40-60 parts of talcum powder, 40-55 parts of semen coicis, 35-50 parts of medicated leaven, 30-45 parts of fritillary, 25-40 parts of sepium, 20-35 parts of cornu cervi degelatinatum, 14-25 parts of radix bupleuri, 15 parts of stabilizer, 12 parts of purgative assistant, and 8 parts of iodide, wherein the stabilizer is arabic gum; the purgative assistant is peridone; and the iodide is potassium iodide. The contrast powder has no toxic or side effect, and is convenient to use, stable in physical and chemical property, obvious in comparison, and distinct in image; a traditional Chinese medicine formula is collocated reasonably, so that damage of a conventional contrast medium to an intestinal tract is avoided; and the contrast powder is an oral contrast for conventional gastrointestinal preparation and special examination.

The invention discloses a method for determining the plant leaf area based on Photoshop software. The method comprises the following steps: acquiring a leaf image by using a scanner and determining the plant leaf area by using the Photoshop image processing software. The method disclosed by the invention has the benefits that the leaf image is acquired by using the scanner so as not to be influenced by an external environment; the image is clear, adopts 1:1 reduction and is free from deformation; and as the plant leaf area is determined by using the Photoshop image processing software, manualdata recording and measurement result calculation are not required in the process, and a program is used for automatic measurement according to the set measurement ratio. The method is simple and quick, the amount of information is large, the measured data includes four indexes: leaf area, perimeter, height and width and is not influenced by leaf shape, size, color, thickness and exterior, and measurement results are accurate; and the method is rigorous in science, low in cost, widely applicable to the determination of the areas of various plant leaves and wide in application prospect.

The invention provides an image-text protection structure based on a dynamic anti-counterfeiting film, and belongs to the technical field of anti-counterfeiting microstructures. The image-text protection structure comprises a microlens array layer, an organic thin film layer and a micrograph array layer in sequence from top to bottom, and further comprises an image-text layer. The invention also provides a preparation method of the image-text protection structure. The image-text protection structure can protect trademark image-text in an interlayer and prolong the service life of the trademarkimage-text; by combining dynamic graphs and image-text layer graphs for display, designed static trademark image-text can be displayed, besides, it can be seen that amplified micrograph arrays aroundthe image-text move dynamically along with the change of the visual angle, and thus the display mode is novel and has a strong visual appeal.

The invention discloses a gastrointestinal tract contrast medium and the contrast medium comprises the following components in parts by weight: 1000 parts of purified water, 0.3-20 parts of one or more of pure iodine and iodides in the purified water, and 1-8 parts of edible liquid paraffin, wherein the weight of iodine and iodides is calculated by 100% of pure iodine. The gastrointestinal tract contrast medium has the advantage that the contrast medium is safe and effective and has no toxic and side effects, the contrast medium can be fast filled in the part of body which is needed to imaged, and the contrast medium filled in the intracavity can form imaging oral contrast medium with a certain threshold specific density on the adjacent organ and lesion (nidus). After drunken, the contrast medium of the invention is not easy to absorb and can be discharged fast; the physiochemical performance of the contrast medium is stable, the comparison is obvious, the image is clear, the effective diagnosis rate reaches above 97%, the detecting ability is excellent especially for the observation of midabdomen, lower abdomen and pelvic cavity and the diagnosis of the small lesion (nidus), and the sensitivity and specificity for detecting early tumors and lesions in the gastrointestinal tract can be increased.

The invention belongs to the field of medicine, and relates to a simulation model for evaluating a tumor ablation range through ultrasonic mono-modal image fusion. Tumor glue is embedded in normal tissue glue, so that a pre-ablation model is formed for ablation; and after the ablation, the dissolved tumor glue and some dissolved normal tissue glue around are absorbed out, and ablation glue is poured, so that a post-ablation model is formed which is available for evaluation of the tumor ablation range through ultrasonic mono-modal image fusion. The normal tissue glue includes carrageenan, and the normal tissue glue, under a two-dimensional ultrasonic imaging mode, shows equal echo. The tumor glue, under the two-dimensional ultrasonic imaging mode, shows high echo. The ablation glue includes carrageenan, a special dye and an ultrasonic contrast agent, and the ablation glue, under the two-dimensional ultrasonic imaging mode, shows high echo. When the simulation model is generally observed by naked eyes, the normal tissue glue is represented to be colorless and semitransparent, the tumor glue is white and non-transparent and while the ablation glue is colored and non-transparent, showing strong contrast and facilitating distinguishing. Therefore, by virtue of the simulation model, the tumor ablation range can be accurately evaluated; and the simulation model is suitable for teaching and training of tumor ablation technology.

The invention discloses a cloning vector pGreen-S based on enhanced green fluorescent protein, (EGFP) gene deletion as a selection marker, and a construction method thereof. The pGreen-S vector inserts an EGFP gene into an Xba I restriction enzyme site of a pUC18 vector, and sequentially comprises main components as follows: a replication origin sequence, an EGFP gene upstream polyclone site, an EGFP gene sequence, an EGFP gene downstream polyclone site, a lacZ gene sequence and a resistance selection gene sequence. The pGreen-S vector can be used for screening gene recombinants, is more reliable in screening results compared with a lac blue / white spot screening method, and has the characteristics of convenience, economic property, time conservation and high efficiency.

The invention relates to a mechanical apparatus applied to calibration of a torque sensor, and a method. One end of a force transmission plate is inserted into a U-shaped support, and the U-shaped support is fixed at one position; a handle is manually operated, a worn drives a main shaft to rotate, the force transmission plate rotates synchronously, since the force transmission plate is fixed by the U-shaped support, the U-shaped support provides a reverse acting force for the force transmission plate, and the reverse acting force and the acting force of the worm cause torque to be generated one by one on the main shaft, the worm has a self-locking feature, records a group of data every time when an angle is rotated, the size of the torque is read through a sensor digital display meter to be calibrated and a standard sensor digital display meter, readings are compared, finally, a comparison curve map is drawn, and whether a sensor to be calibrated accords with application requirements. The apparatus and method provided by the invention have the following advantages: the torque sensor calibration apparatus is accurate in calibration result and simple to operate; the adjustable measuring range is quite large, and the versatility is high; and by use of the self-locking principle of a turbine worm, the readings can be read at any fixed points, values are displayed through the digital display meters, the comparison is obvious, and the reading is convenient.

The invention discloses a similar material dyeing distinguishing method of a visual geomechanical model experiment. The method has the advantages of being easy and visual, obvious in comparison, convenient in distinguishing and easy to implement. The method comprises the steps of determining coloring agents according to the experimental design requirements, wherein the different color agents are selected by similar materials with different parameter ratios; feeding the corresponding coloring agents into the solid materials of the similar materials, evenly mixing, then feeding liquid material, and evenly mixing, wherein the mass of each coloring agent accounts for 3-10% of the mass of the corresponding similar material by mass percent; sending the mixture of the evenly mixed similar materials and the coloring agents into a model frame according to the test requirements, and filling a model body; carrying out the model test.

The invention discloses a probability density weighted geodesic distance-based brain MR image segmentation method, and belongs to the technical field of image processing. The method comprises the steps of reading a plurality of simulated brain database images, and performing histogram statistics to obtain sample values of a most intensive distribution interval; performing probability density estimation on each pixel point on the selected to-be-processed image by using the obtained sample values as priori knowledge; performing super-pixel segmentation on the to-be-processed image based on a probability density function; scanning the segmented super-pixels, screening out the super-pixels which do not meet the standards to perform splitting, re-clustering all pixels in the super-pixels into two classes by using an FCM algorithm, searching for connected regions according to classification results, taking the pixels in each connected region as a new class, and updating a super-pixel classification result matrix; and performing clustering based on all the updated super-pixels by using the FCM algorithm to obtain a brain tissue segmentation result of the to-be-processed image. According to the method, the accuracy of super-pixel segmentation and brain tissue segmentation is improved.

The invention discloses a gastrointestinal tract developing agent. The gastrointestinal tract developing agent is prepared from the main raw materials in parts by weight: 3-5 parts of a silicone oil defoaming agent, 10-20 parts of ligusticum wallichii, 4-12 parts of hericium erinaceus, 1-5 parts of potassium iodide, 1-5 parts of astragalus, 10-20 parts of fragrant-flowered garlic, 5-9 parts of green tea, 3-8 parts of honeysuckles, 1-5 parts of hawthorns, 2-6 parts of lemongrass, 2-6 parts of magnolia obavata, 10-20 parts of mannitol, 6-12 parts of moutan bark, 5-10 parts of cloves and 5-15 parts of radix curcuma. After the developing agent disclosed by the invention is orally taken, the contrast agent distribution in the gastrointestinal tract is uniform, the contrast density value is ideal, the developed images are clear without artifacts, so that the relevance ratio of the early lesion of the gastrointestinal tract and the periodization accuracy of gastrointestinal tract malignant tumors can be effectively improved, and the gastrointestinal tract developing agent is an ideal gastrointestinal tract ultrasonic-testing orally-taken developing agent and is suitable for clinical popularization and use.

The invention discloses a method for measuring drift amount of a buried graph after epitaxial growth. The method comprises the following steps: forming a buried graph on a silicon wafer by using a photolithography mask A; annealing the silicon wafer with the buried graph to form a silicon dioxide layer as a protective layer; photoetching and etching the silicon wafer on which the protective layer grows by using a photolithography mask B, and dividing the same buried graph into a protective area and a non-protective area; growing an epitaxial layer; measuring displacement data of the non-protective area corresponding to the protective area of the buried graph, to obtain the drift amount of the buried graph after epitaxy. According to the method disclosed by the invention, through the epitaxial growth, the silicon wafer can be measured directly by using an optical microscope or by a method of photographing and then is subjected to graphic treatment without being treated by other means; the silicon wafer does not need manual operation steps such as slicing, angle lapping and coloring, therefore, deviation in operation results of different staffs is very small; measurement precision of drift amount of the buried graph after epitaxy is improved, the measurement precision can reach at 0.01 mu m level, and measurement precision is improved by one magnitude than normal angle lapping coloring methods.

The invention belongs to the medical field, relates to biopsy model, containing a normal tissue glue model and a tumor glue model. The tumor glue contains the following ingredients: carrageenan and Congo red. After being embedded in ordinary carrageenan, the tumor glue model is a high-echo lump under ultrasonic display, ordinary carrageenan is colorless and semitransparent in visual inspection, and tumor glue is red and opaque, so the ordinary carrageenan and the tumor glue are strong in contrast and are easy to distinguish. The model is very suitable for serving as a model simulating puncture biopsy guidance by interventional ultrasound.

The invention belongs to the technical field of microbial fluorescent staining, and particularly relates to a genital tract secretion multi-fluorescent staining solution as well as a preparation method and application thereof. The genital tract secretion multi-fluorescent staining solution comprises fluorescein, nucleic acid dye, a bacteriostatic agent, an anti-quenching agent, a permeable agent and a buffer solution, and the pH is 4.5 to 6.0. The genital tract secretion multiple-fluorescence staining solution has short staining time on vaginal secretion samples, and is suitable for large-scale clinical work; the staining result is stable and reliable, the morphological structures of cells and various pathogenic microorganisms are clear, the contrast is distinct, and the morphology, size and distribution of various pathogenic microorganisms and the variety and number of various cells in the smear can be clearly observed under a microscope. In addition, the multi-fluorescent staining solution is good in stability and can be used for a long time, and the staining cost is greatly reduced.

The invention discloses a dye solution for quick frozen sections used in a linear dyeing instrument and a dyeing method. The dye solution is made of the following components: 2.4-3.5g of hematoxylin,200-300ml of anhydrous ethanol, 20-38g of aluminum sulfate, 700-800ml of distilled water, 0.2-0.3g of sodium iodate and 13-20ml of glacial acetic acid. In the dyeing method, hydrochloric acid ethanolis removed, and a xylene cylinder is added. By using the dye solution for quick frozen sectioning of a linear dyeing instrument and the dyeing method, after a linear dyeing instrument dyes a quick frozen section, the nuclear coloring power can be increased, and the phenomena of hematoxylin co-dyeing and eosin co-dyeing can be eliminated. Therefore, it is ensured that the structures of the cell nucleus and cytoplasm are clear, the contrast is obvious, the dyeing time is reduced, the color is not easy to fade, the storage time of the frozen section is greatly prolonged, the phenomenon of fuzziness under the microscope is eliminated, the dyeing time in the process of quick frozen sectioning is standardized, and the dyeing quality is improved.

The invention discloses a production method for a color-changing engraved-design archaized brick. The production method is mainly characterized in that mixed yellow glaze is applied to a green body, then engraved-design treatment is performed, surface decorative patterns are engraved, then the green body enters a kiln and heated to be fired to reach 1150 DEG C-1250 DEG C, the temperature is kept for 10-20 minutes, then natural cooling is performed, the surface of a fired ceramic brick is polished, next, the surface of the ceramic brick is evenly sprayed with colloid photonic crystal structure colored glaze, secondary heat treatment is performed at 500 DEG C-550 DEG C, and the ceramic brick can perform selective reflection, refraction, diffraction or interference on visible light to generate all kinds of colors. The surface of the ceramic brick is observed from different angles in cooperation with the engraved-design technology, so that rich color changes are generated, and a certain decorative effect is achieved. The color-changing engraved-design archaized brick has the decorative features of color-changing engraved-design archaized patterns and can be applied to the field of building decoration and decorative porcelain.

The embodiment of the invention provides a cell color conversion method and device, and electronic equipment. The method comprises steps of obtaining inputted to-be-searched contents, searching a cell, containing the to-be-searched contents, in the contents of the cell from a spreadsheet based on the to-be-searched contents, and enabling the cell to serve as a target cell, the cell color of the target cell being converted into the first preset color. The method is advantaged in that the target cell is obviously compared with the surroundings by converting the color of the target cell, so the contrast ratio is improved, and a user can quickly and accurately locate the cell containing the search content.