41results about How to "Clear goals" patented technology

A method of verifying reasonable working resistance of a working face hydraulic support includes the steps of measuring and calculating four resistance values p required by verification of working face support reasonable working resistance, and a sum of the values; measuring and calculating working face roof settlement delta hi; dividing working face roof control effects; determining a support reasonable working resistance alternative Ri; counting a ratio A1 of support end resistance ri during working face roof weighting, exceeding the values p and the sum; verifying working face support reasonable working resistance R. The method has the advantages that finished working face support reasonable working resistance and the efficiency of determining the support reasonable working resistance is greatly improved in terms of methodic systemization and parameter quantification.

The invention discloses a vehicle speed matching method based on linear array CCD image, including the following steps that: two linear array CCD video cameras are respectively arranged on two sections positioned on a road at intervals; both linear array CCD video cameras face downwards and are provided with infrared ray laser source; the frame rate of each CCD video camera is more than 1,000 frames per second, and the resolution is more than 1,024 lines; correlation matching computation of the image sequences obtained by both linear array CCD video cameras is carried out to obtain the time difference of the same object in two image sequences; finally, by means of the time difference and the distance between both cameras, the driving speed of an object vehicle can be obtained according to the velocity formula V=s / t. The invention is suitable for vehicle speed measurement at a traffic station, etc.

The invention provides an image fusion method and equipment based on an intelligent terminal. The method comprises the following steps of: acquiring a plurality of images that are photographed by different focuses under the same scene; pre-processing the images; performing image registration processing on the pre-processed images; performing image fusion on all the images subjected to the image registration processing to obtain a synthesized image; and displaying the synthesized image. The equipment comprises an image acquisition module, an image pre-processing module, an image registration module, an image fusion module and an image display module. By virtue of the image fusion method and equipment, the two images that are photographed by the different focuses under the same scene are subjected to the image fusion through an image fusion technology to obtain an image with relatively clear target and background.

The invention discloses a vehicle front target detection method based on a characteristic-point mutual information content and an optical flow method. The method comprises the following steps: firstly, reading color images of two adjacent frames in a video and converting the color images into gray level images; secondly, carrying out pretreatment on the gray level images, using a histogram equalization method to carry out enhancement so as to increase a resolution ratio of a target lane line; thirdly, using a method based on a median filtering to carry out smoothing process; finally, after the pretreatment is performed, using the method based on the characteristic-point mutual information content and the optical flow field to detect vehicle front motion barrier. The last step comprises: 1) extracting a characteristic point; 2) marking; 3) determining the number of angle points; 4) selecting an area; 5) calculating the mutual information content; 6) determining a angle point chain; 7) calculating an angle point optical flow; 8) determining a distance and an angle criterion and deleting the angle points possessing a same vector; 9) carrying out thresholding and acquiring a final motion barrier detection result.

The invention provides a triangle connection cascade energy storage system two stage equalization control method. The method comprises the steps that 1, SOC and SOH information of each link of a chained energy storage system is acquired; 2, rechargeable power and dischargeable power of each link are respectively calculated; 3, total rechargeable power and dischargeable power of each line and the whole system are calculated; 4, power distribution and control are carried out on each line; and 5, on the basis that the power of each line is determined, the voltage of each link is distributed according to the proportion of the rechargeable / dischargeable power of each link, and power distribution according to the proportion can be realized. According to the invention, the maximization of the capacity utilization rate of the energy storage system is used as a goal, namely simultaneous complete charging and discharging are carried out on batteries of all links; a safe operation boundary is considered, so that the requirement of the energy storage system for an equalization ability in different operation conditions and SOC states can be reasonably reflected; and an equalization performance is optimized in a range which can be realized.

The invention discloses a fuzzy clustering preprocessing cloud system-based parallel cloud drift wind inversion method. According to the method, three adjacent equal-time interval cloud charts are selected; image extraction and preprocessing are carried out on the images of the cloud charts; each cloud chart is divided into a plurality of tracking blocks; the tracking blocks are assigned to a plurality of designated parallel computing processing units; and inversion calculation is performed on the wind vector of the corresponding tracking block is each independent computing processing unit through using a maximum correlation coefficient method, so that the wind speed and wind direction of the wind vector of the tracking block can be obtained. With the method of the invention adopted, the actual execution efficiency of the inversion of cloud drift wind can be improved effectively. The method is of great application value for the prediction and early warning of global wind fields at low, medium and high altitudes.

The invention discloses a city parking method. The city parking method comprises steps that 1), destination information and a present position or predicted arrival time are sent by a client to a control center; 2), the destination information is received by the control center, and surrounding parking lots are screened in combination with distances between the parking lots and the destination, charging information and a residual vehicle stall number; and 3), screened preferable results in reserved quantity are pushed by the control center to the client. Through the city parking method, continuous informatization, datamation and intelligentization are realized, information push to the client in real time can be realized, targets are more intelligible, mutual promotion and mutual feedback between the parking lots and clients can be effectively facilitated, moreover, online payment and parking stall reservation can be realized, and use experience can be further improved.

The invention relates to a distortion tester comprising a rotary table, a light source and a micro imaging system, wherein the light source and the micro imaging system are arranged on the same optical axis and are arranged on two sides of the rotary table. The invention provides a distortion tester which has high measurement precision, high efficiency, stable structure and expandable function.

The invention discloses a mine pressure control method of an intense mine pressure appearance fully mechanized top coal caving face, and belongs to the field of roof control of a fully mechanized top coal caving face. The control method mainly comprises the following steps: firstly defining the mine pressure appearance level of the fully mechanized top coal caving face and application conditions for the mine pressure control method, then establishing a caving face 'support-surrounding rock' relation quantitative expression-a roof position state equation according to actually measured mine pressure parameters, so as to provide theoretical support to a mine pressure control technology, ensuring that the support is positioned in a 'limited deformation' operating state depending on the critical operating resistance of the support, so as to realize a restraining method for roof subsidence, and to achieve a mine pressure control minimum goal of guaranteeing normal production during weighting, and finally adopting a method of decreasing the roof subsidence in a roof supporting scheme of adopting gob strip interval coal pile in a mine pressure appearance key region, so as to guarantee the coal pressure control ideal goal during weighting. The method is applied to wide promotion in the intense mine pressure appearance fully mechanized top coal caving face control.

The invention relates to an element of interior orientation and a distortion tester applied to a digital navigation camera. The distortion tester comprises a light source, a rotary table and a parallel light pipe, wherein the parallel light pipe is positioned between the light source and the rotary table and arranged on the same optical axis with the light source. The invention provides an element of interior orientation and a distortion tester with simple structure, convenient operation and high precision.

The invention discloses a traffic information acquiring system based on linear CCD imaging, which comprises two linear CCD cameras spaced at a certain interval and disposed on a support above two road sections, each is provided with an auxiliary lighting headlight; and a plurality of auxiliary planar array cameras arranged at the position 15 m away from the front of the two linear CCD cameras and respectively located on the middle of a driveway and on the separating line of the driveway, wherein the auxiliary planar array cameras in the middle of the driveway can shoot vehicles passing the road, and the auxiliary planar array cameras in the driveway separating line can perform panning shot. When the vehicles pass the road section, the linear CCD cameras can acquire linear image data of the vehicles passing the road section; the acquired linear image data is processed and analyzed to obtain traffic parameters such as traffic flow, vehicle velocity, traffic stream density and road occupation rate, and the planar array cameras can shoot vehicle image which is analyzed and processed to obtain license plate information.

The present invention discloses a fire-proof face shield with infrared imaging system. It is formed from two portions of infrared imaging system and fire-proof face shield. Said infrared imaging system is formed from infrared camera consisting of infrared lens and non-refrigerating infrared focal plane array, circuit board, power supply, display screen and magnifying eyepiece. The infrared imaging system and fire-proof face shield are tightly connected and formed into one whole body, so that it has the water-proof, fire-proof, dust-proof and vibration-resisting effects.

The invention relates to a dynamic scene simulating device, especially relates to a mobile visible-light / infrared dual-wave-band dynamic scene simulating device, and belongs to the technical field of dynamic scene simulation. The device comprises a computer image generation system, a visible light dynamic scene generator, an infrared dynamic scene generator, a visible-light / infrared composite system, a projection optical system, a three-shaft displacement bench, an electric control subsystem, an environment control subsystem and a mobile elevating vehicle. The device provided by the invention is mobile, has radiation characteristics of two wave bands and is capable of providing clear and lifelike objects and background images for a tested composite imaging device. The mobile visible-light / infrared dual-wave-band dynamic scene simulating device is portable in size and is placed on the mobile elevating vehicle, convenient transportation among different experiment positions is realized, and testing work can be finished in different testing environments. The simulating device appears as an integrated unit on the mobile elevating vehicle, and after the transferring process is finished, the simulating device does not need to be calibrated again, so that the usage is very convenient.

A method including applying a coating composition on a substrate to form a coating, wherein the coating has a first surface roughness; transferring a pattern to the coating to form a patterned coating, wherein the patterned coating has a second surface roughness different from the first surface roughness; and curing the patterned coating to form a cured coating with a desired level of gloss.

The invention relates to a method, device and system for constructing a dense point cloud based on base station target segmentation, and the method comprises the steps of obtaining an original image set of a base station, which is shot during the inspection of an unmanned plane; inputting the original images in the original image set sequentially into a pre-trained base station recognition model, wherein the base station recognition model recognizes base stations in the original images and performs mask processing, and a mask image set is obtained; iteratively operating a Grabcut algorithm to segment the mask image set to obtain a segmented base station image set; and constructing a dense three-dimensional point cloud of the base station based on the base station image set and a multi-view dense reconstruction algorithm. The technical scheme provided by the embodiment of the invention is used for solving the problem of low accuracy of manual outer point elimination in the prior art.

The invention provides an intelligent and efficient heat supply network operation adjusting method which comprises the steps of 1, conducting hydraulic adjustment on a secondary network, so that the hydraulic balance of the secondary network is achieved; 2, on the basis of the hydraulic balance of the secondary network, conducting hydraulic adjustment on a primary network, so that the hydraulic balance of the primary network is achieved; 3, on the basis of the hydraulic balance of the heat supply network side, respectively conducting thermal adjustment on the heat supply initial station and all heat exchange stations, so that the thermal balance is achieved; and 4, on the basis of the hydraulic and thermal balance of the heat supply network side, predicting a heat load of the heat supply network side, optimizing the configuration of the heat source side according to the prediction result of the heat load of the heat supply network side, and adaptively adjusting the output of the heat source side to realize the cooperative adjustment between the network and the source. According to the intelligent and efficient heat supply network operation adjusting method provided by the invention, adjustment difficulty caused by strong coupling and large lagging of a heat supply network can be effectively relieved, the hydraulic adjustment work efficiency is greatly improved, the overall dispatching coordination capacity of the heat supply system is improved, heat insufficiency or excess of the heat supply system is avoided, heat supply of the heat supply system according to needs is achieved, and on the premise that the heat supply quality is guaranteed, heat supply energy consumption is reduced, and the survival pressure of heat supply enterprises is reduced.

The invention provides an infrared image and low-light-level image fusion system and method. According to the invention, lateral inhibition enhancement processing is performed on an infrared image anda low-light-level image to obtain an IR image and an LLL image, preprocessing is performed on the IR image to obtain a local image T, the LLL image and the T image are weighted and calculated to obtain an LLL' image, the LLL' image is processed to obtain a +LLL' image, the IR image is processed to obtain a -IR image, the -IR image enters a surrounding region of an ON module, the +LLL' enters a central region of the ON module, and a fused image is obtained. The infrared image and low-light-level image fusion system and method adopt a bionic biological vision ON-OFF model, and the infrared image passing through an OFF system and the low-light-level image passing through an ON system are respectively inputted into an inhibition region and an excitement region of the ON system, so that a fused image which conforms to the human eye vision and is clear in target and rich in background detail is obtained.

The invention discloses a dredging device for preventing a blow-off pipe from being blocked. The device comprises a pipe body, wherein clearing openings are formed in the surface of one side of the pipe body at equal intervals; a liquid storage flow guide assembly is arranged on the inner side of each clearing opening, an adjusting groove is formed in the bottom end of the liquid storage flow guide assembly, a rotating rod is fixedly installed on the inner side of the adjusting groove, a connecting block is rotatably installed on the outer side of the rotating rod, and a crushing assembly is arranged at the bottom end of the connecting block. According to the method, in the pipeline dredging process, the blockage position can be observed and positioned in real time first through an observation window, then the clearing opening at the corresponding blockage position is opened, a holding rod extends to the pipeline blockage position on the inner side of the clearing opening, and rapid clearing can be achieved by spraying a clearing agent; and a traditional mode that it is required to clear from the starting end of a pipeline to the tail end is replaced, a target to be cleared is clearer, the clearing procedure is simpler, the clearing workload is greatly reduced, and the overall clearing efficiency is improved.

There is disclosed a novel flexible ascending-free spring floating navigation mark, and its shape is beautiful. It has a large object-marking screen to make the navigation mark object clear, so that the ships in the distance is observed easily. It can reflect more radar waves to make the object of the navigation mark on the radar screen be larger and clearer, so as to increase the navigation-aiding function of the navigation mark. Because of increasing the normality of the navigation light, the fairway safety is ensured. The workers on the navigation mark working ship can complete all the operations by only standing on the float without need of a ascending

The invention provides an infrared image multi-target pedestrian recognition method, and belongs to the field of infrared image target recognition. The infrared image multi-target pedestrian recognition method comprises the steps of firstly constructing an infrared complex sample data set, and then obtaining an infrared image data set with an improved visual effect and a clearer pedestrian targetbased on a WDSR algorithm; performing k-means clustering analysis on a bounding box of pedestrians in the infrared complex sample data set to obtain a bounding box clustering result, and adding an output scale for the bounding box clustering result on the basis of the YOLOv3 network to construct an infrared image multi-target pedestrian recognition network; and finally, performing infrared pedestrian recognition by using the trained infrared image multi-target pedestrian recognition network. According to the infrared image multi-target pedestrian recognition method, missing detection and falseidentification of pedestrians can be reduced, and the accuracy of pedestrian identification is improved.

A multimedia service of a UMTS (Universal Mobile Telecommunications System) is disclosed. When UTRAN provides an MBMS service, it designates time at which each data for MBMS service is transmitted and transmits the corresponding time information to a terminal group which desires to receive a specific MBMS service. Accordingly, a terminal of the terminal group receives the MBMS service data during a section of the corresponding time information and also receives a control signal or other service than the MBMS service at other time.

The invention provides a triangle connection cascade energy storage system two stage equalization control method. The method comprises the steps that 1, SOC and SOH information of each link of a chained energy storage system is acquired; 2, rechargeable power and dischargeable power of each link are respectively calculated; 3, total rechargeable power and dischargeable power of each line and the whole system are calculated; 4, power distribution and control are carried out on each line; and 5, on the basis that the power of each line is determined, the voltage of each link is distributed according to the proportion of the rechargeable / dischargeable power of each link, and power distribution according to the proportion can be realized. According to the invention, the maximization of the capacity utilization rate of the energy storage system is used as a goal, namely simultaneous complete charging and discharging are carried out on batteries of all links; a safe operation boundary is considered, so that the requirement of the energy storage system for an equalization ability in different operation conditions and SOC states can be reasonably reflected; and an equalization performance is optimized in a range which can be realized.

The invention relates to an upper and lower bound support image enhancement system for online anti-yellow haze color deviation self-correction, including: an analysis estimator and an equalization corrector; wherein the analysis estimator includes the following modules: a color deviation estimator, an upper and lower bound preserving Edge filtering estimation; equalization corrector completes color shift correction, upper and lower bound estimates and margin constant equalization corrector. First, for imaging images affected by yellow haze, a color shift estimator for removing yellow haze is constructed; then, an upper and lower bound support estimation calculation model is established, a bidirectional iterative edge-preserving filter is proposed, and the bidirectional iterative edge-preserving filter is used for online calculation The upper and lower interface estimates are obtained, and the upper and lower bound support surfaces are solved. Then, the output of the color shift estimator corresponding to each point in the image, as well as the upper and lower bound estimated values ​​and the adjustment coefficient of the margin constant are used to equalize and correct the brightness of each channel. Image sequence is enhanced online; this invention has the characteristics of strong anti-yellow haze ability, and has the dual effects of image defogging and image enhancement. The image after online processing is transparent and clear, with bright and natural colors, high degree of restoration, and balanced brightness at the same time. And suppress the halo effect, the target stands out significantly.

The invention relates to a distortion tester comprising a rotary table, a light source and a micro imaging system, wherein the light source and the micro imaging system are arranged on the same optical axis and are arranged on two sides of the rotary table. The invention provides a distortion tester which has high measurement precision, high efficiency, stable structure and expandable function.

The invention relates to the field of production and inspection of substrate glass, and discloses a method for judging the position of a station causing surface defects of the substrate glass. The method comprises the following steps: establishing a defect database of substrate glass; inputting the defect information of the substrate glass into the defect database to obtain substrate glass information which corresponds to the defect information and is stored in the defect database, and obtaining position information of a station causing the defect according to the substrate glass information. According to the method, the position information of the station causing the defect can be obtained only by inputting the defect information on the substrate glass into the defect database by a worker, the working efficiency is improved, and the method has the advantages of rapidness in implementation and operation, accurate and reliable result, good applicability and high practicability.