16results about How to "Maintain clarity" patented technology

The invention discloses a grinding workpiece edge shape detection method and system based on machine learning, and the method comprises the steps: obtaining an original image of a grinding workpiece, and carrying out the preliminary image preprocessing; denoising the image and enhancing edge information by combining image filtering and mathematical morphology image processing; based on a second-order differential operator, edge detection is carried out in combination with the morphological gradient, and a workpiece edge contour is obtained; performing feature extraction on the image by using a convolutional neural network, automatically learning workpiece edge features, and constructing and training an edge detection model; acquiring a workpiece image in real time, inputting the workpiece image into the edge detection model for detection, and dynamically correcting the model; and S6, outputting a final edge detection result. According to the invention, by combining image preprocessing, composite image filtering, second-order differential operator and morphological gradient edge detection and feature extraction and model construction of the convolutional neural network, high-precision and robust detection of the edge of the grinding workpiece is realized.

The invention discloses an intelligent driving method and system for a small-spacing display screen based on a glass substrate, and relates to the technical field of display driving, and the method comprises the steps: building a light source characteristic model of the small-spacing display screen based on the glass substrate according to the current intensity of an input signal and the adjustment parameters of a backlight source; acquiring brightness output at the current moment according to the light source characteristic model, and acquiring operation parameters of the small-spacing display screen based on the glass substrate at the current moment; according to the brightness output and operation parameters at the current moment, multi-dimensional adjustment factors are calculated, and the multi-dimensional adjustment factors comprise a brightness compensation factor, a power optimization factor and a backlight dynamic adjustment factor; and performing threshold judgment according to the multi-dimensional adjustment factor, and when a preset threshold condition is met, performing brightness compensation, power optimization and backlight dynamic adjustment. Through comprehensive application of dynamic brightness adjustment, self-adaptive power optimization and multi-dimensional adjustment factors, stability, energy conservation and adaptive optimization of the display effect under different environmental conditions are realized.

The invention discloses an anti-shake method for an image transmission video of an unmanned aerial vehicle. The anti-shake method comprises the following steps: step 1, data acquisition; step 2, multi-frame optical flow analysis; step 3, feature extraction and jitter judgment; step 4, generating a jitter-free frame by the generative adversarial network; and step 5, post-treatment and synthesis. And step 6, performing real-time feedback and optimization. Through combination of multi-frame optical flow analysis and deep learning feature extraction, different types of jitters can be accurately identified. The accurate jitter judgment not only improves the reliability of detection, but also provides an important basis for subsequent processing, so that the video quality can be effectively guaranteed in practical application no matter in a complex environment or in a rapid movement condition, and the scheme can remarkably improve the video quality on the premise of keeping details and definition. The visual effect of the image is further enhanced through subsequent color correction and sharpening processing, so that the finally output video is smooth and has higher watching value.

The invention discloses a printing method, device and equipment for any-fold ink quantity output and a storage medium, and relates to the technical field of ink-jet printing. The method comprises the steps that the reciprocating scanning frequency, initial stepping information and ink amount adjusting information of a to-be-printed task are obtained; actual printing stepping information is obtained according to the reciprocating scanning times and the ink amount adjusting information; processing the to-be-printed data corresponding to each type of to-be-adjusted ink according to the reciprocating scanning times and the ink amount adjustment multiple to obtain actual printing data; and controlling a printing nozzle and a printing medium to move relative to each other according to the actual printing stepping information, and performing ink jetting in the moving process according to the actual printing data. The technical problem that an existing printing method cannot conveniently and accurately output the doubled ink amount with any multiple can be solved.

The present application relates to the field of noise reduction technology, in particular to a kind of adaptive noise reduction method, system and equipment, wherein the method comprises: obtaining mixed audio signal and dividing into short-time segment, after normalizing short-time segment, the normalized short-time energy and normalized change intensity of short-time segment are calculated, the short-time segment after normalization is converted into spectrogram and input into light time-frequency feature extraction network, and noise state feature set is output by extraction network;The comprehensive score of short-time segment in noise state feature set is calculated, the starting segment of change, the change influence range and the change type are determined, and the state change description of noise is constructed;The normalized processing intensity of state change description is calculated, noise reduction execution item is constructed, noise reduction execution scheme is generated by sorting noise reduction execution item;For each noise reduction execution item in noise reduction execution scheme, time-domain audio is overlapped and spliced according to the original time sequence of short-time segment, and noise reduction output signal is output.

The invention discloses an efficient self-repairing vehicle-mounted OCA adhesive, a preparation method thereof and an adhesive film, the OCA adhesive is prepared from the following raw materials in parts by weight: 60 parts of 2-ethylhexyl acrylate, 10-20 parts of cyclohexyl acrylate, 15-25 parts of 2-hydroxyethyl acrylate, 5-10 parts of hydroxyethyl dithiodiacrylate, 0.45-1.8 parts of a photoinitiator, 0.5-2 parts of a silane coupling agent, 0.5-2 parts of 1, 2-propylene glycol, 0.5-2 parts of a curing agent, 0.5-2 parts of a curing agent, 0.5-2 parts of a curing agent and 0.5-2 parts of a curing agent. And 0.05 to 0.2 part of 1, 6-hexanediol diacrylate. In the OCA adhesive, a dynamic covalent bond repairing mechanism introduced by dithio diacrylate and a hydrogen bond mechanism of hydroxyethyl acrylate generate a synergistic effect, so that the repairing efficiency is improved in a leap-over manner; and the scratch can be efficiently repaired and the stability and definition of screen display can be maintained under the complex environments of vehicle-mounted high and low temperature, high humidity, strong ultraviolet rays and the like.

This utility model relates to the field of milk refrigerator technology, and more particularly to a milk refrigerator with anti-fog function. It includes a cabinet, with a door connected to one side of the cabinet. The door includes an outer door panel, a sealing strip, an inner door panel, double-layered glass, and an anti-fog drying aluminum strip. The double-layered glass includes an outer glass layer and an inner glass layer. The anti-fog drying aluminum strip is disposed between the outer and inner glass layers, and an intermediate layer is also disposed between the outer and inner glass layers. This utility model has low operating costs. By setting up double-layered glass and incorporating the anti-fog drying aluminum strip within the double-layered glass, it can absorb water vapor within the double-layered glass, preventing water vapor from condensing into fog and avoiding fogging caused by humidity changes. This maintains the clarity and transparency of the double-layered glass, and improves its thermal insulation, sound insulation, and heat insulation performance.

The utility model discloses a light source for a cell imager. The light source comprises a light source shell, a cylindrical light source lamp, an annular light source lamp and a beam splitter prism, the light source shell comprises a bottom plate, the cylindrical light source lamp is arranged above the bottom plate, the annular light source lamp is arranged below the bottom plate, the beam splitter prism is arranged between the bottom plate and the cylindrical light source lamp, and light emitted by the cylindrical light source lamp vertically penetrates through the beam splitter prism and then is converged with light emitted by the annular light source lamp. According to the light source capable of being used for the cell imager disclosed by the utility model, when light rays emitted by the cylindrical light source lamp pass through the beam splitter prism, the beam splitter prism can effectively control diffraction of the light rays and reduce or avoid unnecessary light ray diffusion and interference, so that the definition and the accuracy of imaging are kept; and the beam splitter prism can reflect and refract the incident light according to a specific angle, so that the light cannot be greatly lost, the high efficiency of light path transmission is maintained, the light energy loss is favorably reduced, and the light path transmission efficiency is improved.

The invention belongs to the technical field of power equipment, and particularly provides a power safety warning system and method, a terminal and a storage medium, and the system comprises a control module, a plurality of power safety warning devices, and a power module. The electric power safety warning device comprises a safety warning box, a microprocessor is arranged in the safety warning box, a displayer is arranged on the front surface of the safety warning box, a distance sensing unit and an alarm unit are arranged on the side surface of the safety warning box, and a rain cover is arranged at the top end of the safety warning box. A cleaning mechanism used for cleaning the displayer and a driving mechanism used for driving the cleaning mechanism to work are further arranged at the position, where the displayer is installed, of the safety warning box. Through communication connection with a D5000 system, intelligent and automatic management of safety warning of a power system is realized, dust and stains on the display can be automatically cleaned through the equipped cleaning mechanism, the definition and readability of the display are kept, and the user experience is improved.

The invention discloses an intelligent coding and decoding method and system based on video content in a cloud desktop scene, and the method comprises the steps: determining a change region image block and a content type corresponding to the change region image block through an image difference and content recognition technology for a current frame image of a cloud host system desktop; determining a coding mode of the current frame image based on the size, the distribution and the content type of the image blocks in the change area within the coding and decoding capability range of the cloud host system; coding the current frame image based on the coding mode to obtain coded data; and encrypting the coded data, transmitting the obtained encrypted data to a client, and correspondingly decrypting and decoding the obtained encrypted data by the client to obtain an updated complete frame image.

This utility model discloses a drying component for an intelligent water-based ink printing machine, belonging to the field of printing machine technology. The drying component includes a mounting box with multiple support blocks fixedly connected to its bottom. The rear end of the mounting box has an inlet and an outlet. An installation groove is provided inside the mounting box, on which a drying component and a tensioning component are installed. The drying component dries the printed paper, and the tensioning component adjusts the tension of the printed paper. By setting up the drying component, multiple electric heating tubes operate simultaneously, rapidly increasing the temperature inside the mounting box and causing the moisture in the ink on the surface of the printed paper to evaporate quickly. Furthermore, hot air is sprayed from the jet pipe for secondary drying, further accelerating the drying process and significantly shortening the drying time. The tensioning component reduces paper movement and improves print quality.

The invention relates to the technical field of positioning instrument image processing, and discloses an image processing method of a positioning instrument, the method adopts an optical filter with an inner and outer ring structure to collect an infrared image, the inner ring is specially designed for a lens, and the outer ring filters an infrared lamp. According to the method, graying processing is carried out on an acquired infrared image, a Sobel operator is used for calculating horizontal and vertical gradients, and then the gradient amplitude and direction are determined. Through comparison with a set threshold value, edge pixel points of the object image are accurately identified, and finally a clear edge image is output. Compared with a traditional method, noise and miscellaneous points are effectively reduced through the inner-ring optical filter and the outer-ring optical filter, the image preprocessing step is simplified, and the calculation complexity is reduced. Meanwhile, due to the clear input image, the Sobel operator does not need to be additionally adjusted during gradient calculation, and the calculation process is further simplified.

The invention discloses a portable cordyceps sinensis detection method, and relates to the technical field of image recognition, and the method comprises the steps: collecting a scene image of a suspected cordyceps sinensis region through a high-definition camera of a portable collection terminal; the scene image is preprocessed, compressed and coded; sending the encoded image to an edge calculation end through wireless communication, decoding the encoded image to obtain a to-be-detected image, carrying out cordyceps target detection, outputting a detection result including a candidate target position, a category and confidence, and returning the detection result to an acquisition terminal for display; the edge calculation end generates an acquisition parameter adjustment instruction based on the detection result, issues the acquisition parameter adjustment instruction to the acquisition terminal, and performs feedback control on at least one of exposure, focusing and acquisition frequency; and caching the image and the detection result, and uploading the image and the detection result to a cloud to establish an index when an uploading condition is met. The end-side collaborative portable rapid detection is realized, gating is carried out through preprocessing configuration marks, closed-loop error parameter adjustment caused by preprocessing switching is inhibited, and the detection stability and traceability are improved.

The utility model discloses a portable sealing label which comprises a label body, the label body is composed of label paper, an anti-fake layer and a bonding layer, a composite protective layer is arranged at the upper end of the anti-fake layer, a composite release layer is arranged at the lower end of the bonding layer, backing paper is arranged at the lower end of the composite release layer, and the anti-fake layer and the bonding layer are bonded together. A cutting line is arranged on one side of the interior of the label body and penetrates through the label body, the anti-fake layer is arranged at the upper end of the label paper, the bonding layer is arranged at the lower end of the label paper, release paper is arranged at the upper end of the composite protection layer, and the release paper is arranged outside the composite protection layer in a bonding mode. According to the structure, the problems that the label is not convenient to uncover and the protection performance of the label is not good enough are solved.

This disclosure provides a shrink label and a packaging container. The shrink label includes a shrink film layer, a varnish layer with a soft touch, and an graphic information layer. The varnish layer is disposed on the surface of the shrink film layer. The graphic information layer is disposed on the inner layer of the shrink film layer. The packaging container includes a bottle and the shrink label. This shrink label helps to reduce the surface hardness of the shrink label and improves the feel of the shrink label.

This invention discloses a terahertz super-resolution imaging method for defects in terahertz polyethylene pipe thermofusion joints based on CBAM-ESRGAN, comprising the following steps: Step 1, automatically acquiring detection images using a terahertz feature parameter imaging method, preprocessing the images to obtain high-resolution and low-resolution images for model training, and dividing them into training and test sets in a 7:3 ratio; Step 2, inputting the training set from Step 1 into the CBAM-ESRGAN network for training. The beneficial effect of this CBAM-ESRGAN-based terahertz super-resolution imaging method for defects in terahertz polyethylene pipe thermofusion joints is that it provides an efficient super-resolution reconstruction method for defects in polyethylene pipe pores. From terahertz imaging to the construction of a super-resolution deep learning model, a complete defect detection system is formed, effectively solving the problems of low acquisition efficiency and blurred edges in terahertz imaging of defects in polyethylene pipe pores.