67results about How to "Reduce processing range" patented technology

The invention discloses a method for detecting and tracking obstacles in front of a vehicle, aiming to overcome the defect and shortage in detection and tracking of obstacles in front of the vehicle by using a single-type sensor. The method comprises the following steps of: 1. establishing a relation for realizing data conversion between a millimeter wave radar coordinate system and a camera coordinate system; 2. receiving, resolving and processing the millimeter wave radar data, and carrying out preliminary classification on the obstacles; 3. synchronously collecting a camera image and receiving millimeter wave radar data; 4. classifying the obstacles in front of the vehicle: 1) projecting scanning points of the millimeter wave radar data on a camera coordinate system by combining the methods of millimeter wave radar and monocular vision, and establishing a region of interest (ROI) of the obstacles on the image; 2) carrying out preliminary classification on different obstacles in theROI established on the image, and confirming the types of the obstacles by using different image processing algorithms; and 5. tracking the obstacles in front of the vehicle.

This invention relates to a thermoregulation dehumidifier for air regulating, that is also called a machine double system new type dehumidifier, which has the case, the case has evaporator, air-cooled condenser, compressor, water-cooled condenser, drying filter, expansion valve, hot gas by-passing valve, dash board, the character of which is that the cooling coil is arranged at the front of the evaporator, the cooling coil is in series with the water-cooled condenser, precooking air and decreasing the air dealing range of the refrigeration system; the cold water come into the water-cooled condenser after sucking heat from the cooling coil, the temperature of the cold water is lower, the condense temperature is also low, comparing to the common dehumidifier, the dehumidifying capacity of unit electric energy is higher than the common dehumidifier and can afford with new air dealt differently in room all the year round.

The invention relates to a specific color human body detection method oriented to surveillance videos. The method includes the following steps that firstly, video files are read through a computer, and key frames of the video files are decoded to obtain image data to be processed; secondly, areas having moving targets are obtained through an improved background subtraction method; thirdly, a classifier trained in advance is adopted for detecting whether specified color human body targets exit in the moving areas; finally, human body areas are sampled to verify whether the human body areas meet color conditions. A strategy used for processing on the basis of the key frames effectively reduces processing resources, shrinks the processing range and improves the processing efficiency. Similarities of edge contours, obtained through different methods, of the same area are compared, and the frequency of the situation that a background is mistakenly taken as a moving target is reduced effectively. By the combination of the key frames, the background is updated only when the moving areas are detected, and the processing speed can be further increased. Color verification is conducted on the basis of sampling point HSV information, so that detection accuracy is further ensured, the analysis range is shrunk, and the processing speed is also taken into account.

The invention relates to a monitoring-video-oriented masked face detection method. The method comprises the steps of: carrying out video frame skipping processing strategies on the basis of simple background difference value operation; realizing moving head and shoulder region detection on the basis of an improved background difference method; and detecting a masked face on the basis of a two-stage Haar classifier. By carrying out the video frame skipping processing strategies on the basis of the simple background difference value operation, the processing range is effectively reduced; the system overhead is reduced; and the processing efficiency is improved. A region with a head and shoulder image is judged to be an effective moving region; the condition that the background is detected to be a moving object by mistake is effectively reduced; by combining the frame skipping strategies, the background is only updated only when the existence of the head and shoulder moving region is detected; and the processing speed can be further accelerated, and the moving target extraction quality of the background difference method can be further improved. According to the Haar linear features of the common masked face, the training and the detection of a masked target are carried out on the basis of a binary image; the gray level distribution rules of training samples and a target to be detected can be intensified and emphasized; and an effect better than that of a pure gray level image is obtained.

The invention relates to a pointer instrument detection and reading identification method based on a mobile robot. The method comprises the following steps: obtaining a deep neural network detection model M for a pointer instrument; the mobile robot moves to a designated place to obtain an original environment image containing the instrument equipment at present in a mode that the mobile robot carries a camera; S serves as system input and is transmitted to a deep neural network model M, whether an instrument exists in S or not is detected, the position of the instrument is framed out, an image in a frame is intercepted and subjected to height setting processing, the length-width ratio is not changed, and the processing result is represented by J; contrast enhancement is performed on the image, and a processing result is represented by E; local adaptive threshold segmentation is performed on the E to obtain a reverse binary image B; pointer extraction processing is performed based on aprobability circle; a central straight line L of the pointer part is extracted as pointing information of the instrument pointer; and a coordinate system is established based on a probability circlecenter projection algorithm and reading by an angle method.

The invention discloses a straw incineration monitoring method based on a monitoring video. The method is based on the real-time and easy-to-acquire monitoring video, and utilizes a video image processing technology and a pattern identification technology to analyze and process the video image. A straw incineration incident in a video monitoring area is intelligently identified, and an alarm is given. The method provided by the invention has the advantages that a classifier is trained; a down sampling pre-processing method is used to overcome the problem of imbalanced positive and negative samples; the classifier is used to preliminarily identify the straw incineration incident; and the color gradient magnitude value which reflects smoke image gradation edge information is used to correct the preliminary identification result of the classifier, so as to acquire a more accurate monitoring result. The invention further discloses a straw incineration monitoring device based on the monitoring video. Compared with the prior art, the method and device have the advantages that the monitoring video is used to carry out full intelligent monitoring on straw incineration, and have the characteristics of more accurate monitoring result and better instantaneity.

The invention discloses an image enhancement method and device suitable for an endoscope and a storage medium, and the method comprises the steps: responding to an image enhancement starting instruction, converting a current frame image collected by a camera of the endoscope in real time into a gray-scale image, and obtaining the gray-scale values of all pixels in the gray-scale image; obtaining target area information input by a user, and determining a target area of the grey-scale map according to the target area information; obtaining a gray scale minimum value and a gray scale maximum value in a target area of the gray scale map, and respectively recording the gray scale minimum value and the gray scale maximum value as a first gray scale minimum value and a first gray scale maximum value; and performing gray scale equalization processing on pixels of which the gray scale values are in a first interval divided according to the first gray scale minimum value and the first gray scalemaximum value in the gray scale map, and obtaining and displaying an enhanced gray scale map. According to the invention, the enhancement effect and detail visibility of the target area in the videoimage acquired by the endoscope can be improved.

The invention relates to a method and a device for tracking moving targets in a video. The method comprises: using the tracking result of a previous frame as the initial coordinate for the tracking of a current frame; calculating the color histogram characteristics of calibration frames of the previous frame and the current frame; calculating the offset coordinate according to the initial coordinate, the color histogram characteristics and the coordinates of the pixel points in the calibration frame at the initial position; calculating the difference between the offset coordinate and the initial coordinate as the offset amount; and when the offset amount is less than or equal to a preset offset threshold, completing the tracking process wherein the offset coordinate is the tracking target coordinate. This method can reduce the processing range of an image, reduce the computational cost, improve the recognition accuracy when multiple targets overlap, and greatly improve the tracking efficiency and tracking accuracy. Accordingly, the present invention also provides a tracking device for moving targets in a video.

The invention provides a bonding wire annealing system which is convenient and fast to operate, high in processing precision, and good in finished product cleanness. The aim is realized through the following technical scheme: the bonding wire annealing system is characterized by comprising a pay-off system, a metal wire released by the pay-off system is annealed in an annealing furnace, the annealed metal wire is cooled in a liquid dropping device, the cooled metal wire is dried in a drying machine, the dried metal wire enters a take-up system, all the systems are controlled by a control system consisting of a PLC (Programmable Logic Controller) and a touch screen.

The invention discloses a road widening system and a road widening method for a collapsible yellow earth foundation layer. The road widening system for the collapsible yellow earth foundation layer comprises a collapsible yellow earth foundation layer, a lime earth changing and filling layer, filling layers, geogrids, a water stable layer of a to-be-widened road, a pavement of the to-be-widened road, micro rigid piles and a compacted cement soil pile wall. The collapsible yellow earth foundation layer, the lime earth changing and filling layer, the filling layers, the water stable layer of the to-be-widened road and the pavement of the to-be-widened road are sequentially distributed in a laminar manner from bottom to top; the compacted cement soil pile wall penetrates through the lime earth changing and filling layer and is longitudinally inserted into the collapsible yellow earth foundation layer; the one or more layers of geogrids are longitudinally paved in the filling layers; the micro rigid piles penetrate through the geogrids and are longitudinally inserted into an original embankment. The road widening system and the road widening method for the collapsible yellow earth foundation layer aim at implementing road widening for the collapsible yellow earth foundation layer, and the road widening system is reasonable in structural mechanical property, good in integrality and controllable in quality.

Disclosed are a window modulation method and a device of a medical image and a real-time display method of the medical image. The window modulation method of the medical image comprises the steps: obtaining the medical image which is in a DICOM form and comprises image data of a medical object; obtaining a maximum value, a minimum value and an image window value of the medical image based on the image data; confirming a conversion area of the medical image according to a conversion formula, and creating a conversion table which corresponds to the conversion formula; and converting the image data into a display numerical value according to the conversion table. Compared with the prior art, the window modulation method of the medical image has the advantages that a windowing display technology is adopted, real-time display of the DICOM medial image is achieved in a universal computer, due to the window modulation method, processing range of the image data is narrowed, calculated amount of switch of the image data is decreased, display speed is remarkably improved, and requirements on real-time display under dynamic and continuous adjustment on the window value are met.

The invention relates to an operation fault location method for concurrent job. The method comprises: aiming at the faults occurring during the operation process of the concurrent job, firstly listingall the reasons causing the faults, and classifying and grading the reasons; then establishing a fault location analysis method through the problem scale and the associated relationship thereof, andchecking the fault reasons layer by layer from top to bottom, thereby reducing the fault processing range, and effectively solving the problems of high fault location and poor accuracy in the high performance computing system.

The invention discloses a refractory brick geometric dimension measurement method. The method comprises the steps that an original image of a refractory brick is collected, and filtering noise reduction and threshold segmentation are performed on the original image; a connected domain of the refractory brick is obtained, the connected domain of the refractory brick is separated from the original image, and a refractory brick connected domain image is obtained; morphological processing is performed on the refractory brick connected domain image, and a corrected refractory brick image is obtained; edge detection is performed on the corrected refractory brick image, and an edge detection image of the refractory brick is obtained; and through edge discrete point detection to curve formation ofthe boundary of the refractory brick, linear detection is performed on discrete points through a Hough transformation algorithm to fit out multiple straight lines. Through the refractory brick geometric dimension measurement method, efficiency and precision are both improved.

The invention provides a preprocessing method for automatic water quality monitoring data. The preprocessing method comprises the following steps: S1, counting and marking missing values in an original data set; S2, performing time sequence decomposition on the data in the original data set to obtain a residual term; S3, identifying an abnormal value in the residual item, and deleting and / or correcting the abnormal value; and S4, interpolating missing values and deleted abnormal values in the original data set by adopting a linear interpolation method to obtain a processed complete data set. Compared with the prior art, the preprocessing method has the advantages that abnormal values and missing values in the automatic water quality monitoring value set are effectively processed, and a complete and high-reliability data set can be obtained, so that convenience is provided for subsequent analysis and application of automatic water quality monitoring data.

The invention relates to a planetary gear box tooth surface wear fault diagnosis method and system, and the method comprises the steps: carrying out the frequency band selection of an original vibration signal through FSWT, and carrying out the signal reconstruction; performing Hilbert transformation on the reconstructed signal to obtain a low-frequency modulation signal; extracting periodic faultpulses in the low-frequency modulation signal by adopting an MOMEDA algorithm to obtain a fault signal; performing square envelope spectrum analysis on the fault signal, highlighting a transient energy component in the fault signal, and identifying a fault characteristic frequency gathered at a low frequency band; carrying out HEI quantization processing on the fault signals, and achieving the fault diagnosis of tooth surface abrasion of the planetary gear box. According to the method, the fault characteristic frequency of the planetary gear box can be directly and accurately extracted, and then the tooth surface abrasion fault of the planetary gear box is researched and analyzed.

The invention provides a positioning clamp used for a titanium alloy ring-shaped casting and a clamping method. The positioning clamp mainly comprises a rotating worktable, two floating V-shaped blockassemblies, three pin assemblies and one three-claw chuck. The titanium alloy ring-shaped casting is positioned through a clamp and is clamped to the surface of the rotating worktable. Three positioning pins are matched with the end face of the titanium alloy ring-shaped casting so as to limit the linear freedom degree of the titanium alloy ring-shaped casting in the height direction and two rotation freedom degrees. V-shaped blocks are matched with an elliptical structure on the titanium alloy ring-shaped casting to limit the circumferential rotation freedom degree of the titanium alloy ring-shaped casting. The three-claw chuck is matched with a circular inner hole of the titanium alloy ring-shaped casting to limit the linear freedom degree of the titanium alloy ring-shaped casting on the plane, and clamping is achieved. By means of the clamp, complete positioning of the titanium alloy ring-shaped casting is achieved, the clamp is suitable for front-face and back-face clamping of thetitanium alloy ring-shaped casting, and a servo motor arranged in a rotating worktable can be controlled to make the rotating worktable drive the clamp and the titanium alloy ring-shaped casting to rotate to the designated angle after clamping is completed.

A method for lightening port caisson includes the following steps: 1. lift out the caisson and move out sullage filled in; 2. blend sullage moved out with cement and vesicant to form a light-weight filling material; 3. smooth the base of caisson and put back the caisson; 4. fill in the light-weight material to the back of the caisson, as well as in the caisson and press solid; 5. install other parts to the port.

The present invention discloses an overlapping cervical cell segmentation method. The method comprises a method for improving local adaptive nucleus segmentation and an overlapping cytoplasmic segmentation method. The local adaptive segmentation method comprises: solving a sub-image to obtain a gradient histogram, eliminating a block effect by using an equal interval interpolation method, and using the mathematical morphology to suppress image noise, so that the nuclear region can be completely and accurately segmented without omission. The overlapping cell segmentation method comprises: extracting overlapping cytoplasmic parts, performing watershed segmentation on the overlapping cytoplasmic parts, and using the similarity criterion to perform region merging. According to the overlappingcervical cell segmentation method disclosed by the present invention, the problems that the segmentation algorithm is inaccurate in segmentation and easily causes over-segmentation and under-segmentation are solved, the complete cell contour can be extracted, overlapping of cell edges caused by the excessive edge width can be avoided, the complexity of late merging can be reduced, a clearer and more complete cytoplasmic contour can be obtained, and the method is of great significance for cell image classification and pathological detection.

The invention discloses an automobile driving characteristic evaluation and early warning method based on driving inclination, which belongs to the technical field of automobile intelligent interaction. The invention aims at collecting real-time operation data of an automobile as original data for evaluating automobile driving characteristics, extracting the original data according to scenes and exerting the characteristic advantage that the driving inclination evaluates specific scenes in real time. The data complexity can be reduced by using a time sequence dimension reduction algorithm, andmeanwhile, time sequence characteristics implicit in the data are reserved; operation fragments are counted to obtain a high-frequency operation fragment database, and detailed driving characteristicbehavior description can be carried out; an HMM model is used for inclination identification, and an identification result has high credibility; by further calculating the camber value, the operationcharacteristics of all parties of a driving game can be compared; early warning information is obtained through quantitative and qualitative evaluation results, and the content is convenient to compare; the data are continuously updated along with the operation of the automobile, the real-time performance of the evaluation result and the early warning information is ensured, and the practicability is very high.

The invention relates to a power wireless private network drive test acquisition and analysis system and method. The system comprises an interface management layer, an intermediate data processing layer and a high-level display layer, wherein the interface management layer is used for automatically acquiring the original code stream data; the intermediate data processing layer comprises a data analysis module, a pre-statistics or analysis data processing module and a data storage module; the data analysis module is used for analyzing the collected original code stream data; the pre-statisticsor analysis data processing module is used for carrying out pre-statistics and pre-analysis on the analyzed data; the data storage module is used for respectively storing, compressing and storing theanalyzed original signaling, event and parameter and the pre-counted and pre-analyzed secondary signaling, event and parameter, and the high-level display layer is used for displaying a data processing result and simultaneously providing the intelligent statistics and intelligent analysis functions. According to the present invention, the test efficiency is high, and the cost is low.

The invention discloses a stroke erasing method and device, equipment and a readable storage medium, and the method comprises the steps: converting a to-be-erased stroke into a plurality of line segments, and reducing the processing range of writing equipment; judging the intersection of each line segment in the to-be-erased strokes and directly erasing the whole strokes where the line segments intersected with the erasing track are located, thus the erasing efficiency of the writing equipment on the to-be-erased strokes is improved; further performing distance judgment on line segments whichare not intersected with the erasing track in the to-be-erased strokes, thus the strokes where the line segments with the distance to the erasing track smaller than the threshold value are located canalso be erased, the overall scheme of the method is further perfected, and the writing equipment can rapidly screen out the strokes meeting the conditions from the multiple strokes to be erased to beerased without consuming a large number of system resources.

The invention discloses a multi-target rapid identification method based on a certain rule and applied to a propolis soft capsule, comprising the following steps: shooting an image containing multipletargets by using a camera, and carrying out multi-processing region division on the image according to the certain rule; Segmenting the target image according to the divided region, and reserving animage needing to be processed; Obtaining all pixel points of the target object for a method which needs to be processed and is based on seed region growth; And calculating a central point coordinate of the target object, obtaining a target position, and calculating a new processing area. According to the invention, the processing range of the target image can be reduced based on a certain rule, and the image scanning speed is improved; The propolis soft capsule with obvious color characteristics can be quickly identified based on the seed region growth algorithm, so that secondary scanning ona scanned region is avoided, and the identification speed of a plurality of targets is improved.

The invention discloses a Deramp-STAP moving target detection method based on Radon transform, and the method comprises the steps: obtaining the equivalent relative speed of a moving target through the introduction of Radon transform on the basis of a Deramp-STAP method, correcting the linear range walk of the moving target through the obtained equivalent relative speed, and reducing the CFT Doppler frequency range needing to be processed in a clutter inhibition process; and finally, employing the STAP method to realize accurate detection of the moving target. According to the method, the limitation that the number of channels of a radar imaging system is required to be greater than twice the azimuth Doppler ambiguity number in a conventional SAR-GMTI detection method is overcome, and theproblem of relatively large operand of a Deramp-STAP-based moving target detection method in the prior art is also solved.

The invention relates to an electric spring operating mechanism belonging to the technical field of a high-voltage power switch. The electric spring operating mechanism comprises a base, a motor, a transmission shaft assembly, a lead screw assembly and a spring assembly, wherein the transmission shaft assembly is fixedly arranged on the base; one end of the spring assembly is connected with the base, and the other end of the spring assembly is connected with the transmission shaft assembly; both ends of the lead screw assembly are fixedly arranged on the base and are connected with the transmission shaft assembly; and the motor is connected with the lead screw assembly in a meshing mode. The invention satisfies the driving task of a fast grounding switch in a GIS (Gas Insulated Switchgear) so as to achieve the functions of fast switching-on and slow switching-off of the fast grounding switch. Besides, the electric spring operating mechanism has the advantages of simple structure, beautiful appearance, stable performance and high reliability.

The invention discloses a static pressure suspension piston type hydraulic breaking hammer which comprises a piston, a cylinder body, a drill rod seat, an inner sleeve, an outer sleeve and a drill rod. The piston reciprocates in the cylinder body to strike the drill rod; a drill rod for crushing rocks, an inner sleeve and an outer sleeve are arranged in the drill rod seat, wherein the inner sleeve and the outer sleeve play a guiding role, and meanwhile the inner sleeve and the outer sleeve have the effect of protecting the drill rod seat from being abraded. More than or equal to two circles are arranged in the area where the cylinder body is matched with the head of the piston, and more than two static pressure suspension cavities are evenly distributed in each circle and used for supporting the piston. The piston floats in the cylinder body through the static pressure suspension bearing, it is guaranteed that the matching faces of the piston and the cylinder body are separated by hydraulic oil when the piston is under a certain load and at any speed, and contact and strain are avoided.

The invention discloses an austenitic stainless steel pipe silencer connecting pipe and a manufacturing method thereof. The austenitic stainless steel pipe silencer connecting pipe comprises a pipe body, an air inlet pipe segment, and a fixed pipe segment. The pipe body is in an irregular pipe shape. The air inlet pipe segment is welded to one end of the pipe body, and an adjusting assembly is connected between the fixed pipe segment and the other end of the pipe body. Sound attenuation holes are evenly distributed in the end, closed to the fixed pipe segment, of the pipe body. The adjusting assembly is used for adjusting opening and closing of the sound attenuation holes. After the adjusting assembly completes adjusting, the adjusting assembly is welded to the pipe body and the fixed pipesegment. The method comprises the steps that a, preparations are made before assembling; b, clamping is carried out; c, welding is carried out; and d, the silencer connecting pipe is taken down. Whenthe silencer connecting pipe is mounted, according to the environment where the silencer connecting pipe is used, the number of the sound attenuation holes closed by the adjusting assembly when usersput particular emphasis on the refrigeration effect is larger than the number of the sound attenuation holes closed by the adjusting assembly when users put particular emphasis on the noise reductioneffect, the emphasis of the silencer can be adjusted by adjusting opening and closing of the sound attenuation holes through the adjusting assembly according to different occasions, and therefore production efficiency is greatly improved, and production cost is reduced.

The invention provides a foundation construction method of a gravity type foundation structure. The foundation construction method comprises the following construction steps that firstly, a cylinder structure is inserted into undisturbed soil of a seabed, the cylinder structure is provided with a circular axial through channel, and the circular axial through channel of the cylinder structure inserted into the seabed is vertically arranged; foundation treatment is carried out on an internal soil body surrounded by the cylindrical structure; and finally, the gravity type foundation structure is installed on the internal soil body of the cylinder structure. According to the foundation construction method of the gravity type foundation structure, the cylinder structure can effectively bear most of horizontal force and part of shearing force of the soil body, meanwhile, the sliding face of the soil body is effectively blocked, the soil body replacement range is remarkably narrowed. Meanwhile, a cylinder structure with the outer diameter smaller than the original soil body treatment range can be placed in the soil body.

The invention relates to a locomotive vehicle-mounted video intelligent monitoring method. The method comprises the following steps: acquiring a monitoring video acquired by a locomotive vehicle-mounted camera device; calculating the difference degree between the monitoring video and a standard frame, and the standard frame being a video frame for a trainman to perform standard operation; and whenthe difference degree is greater than a preset threshold, sending an alarm prompt. According to the locomotive vehicle-mounted video intelligent monitoring method, through an online video real-time monitoring mode, an analyst does not need to monitor all videos, the processing range is reduced, the processing efficiency is improved, the workload of the analyst is effectively saved, the processingresources are reduced, and the safety management of a locomotive depot is realized. Moreover, through a mode of comparing the monitoring video with the standard frame, the operation of the trainman can be judged more accurately, the monitoring precision is improved, and effective butt joint, comprehensive coverage and real-time management between a manager and a managed person are realized.

The invention discloses a settling, reinforcing and lifting method of independent foundations of an existing building, and belongs to the technical field of building foundation reinforcing and lifting. The settling, reinforcing and lifting method comprises the following steps: S1, settlement survey is conducted, specifically, all the independent foundations are subjected to settlement survey according to datum elevation points set on site, settlement data are recorded, the differential settlement is calculated, and a unified elevation line is set; S2, the foundations are stabilized, specifically, soil bodies at the bottoms of the independent foundations are subjected to grouting reinforcement treatment, and a stable area is formed; and S3, the foundations are lifted, specifically, soil bodies, close to the independent foundations, on the upper part of the stable area are grouted so as to lift the independent foundations to the unified elevation line. The settling, reinforcing and lifting method has the characteristics of high stability, high precision, easy construction and low cost.

The invention belongs to the technical field of information data processing, and discloses a lung cancer medical big data-based treatment pathway key node information processing method, which comprises the following steps: performing multi-source data fusion on data in an existing biomedical data set, and selecting five biomedical databases from the Internet to obtain lung cancer related information; performing data cleaning, data disambiguation and data compression on the source data; converting the preprocessed data into an RDF format to form a knowledge network; taking entities representinggenes, proteins and the like as subjects and objects according to the definition of the RDF, and taking the relation between the entities as a predicate, so that unified organization and representation of data are realized; calling the formed RDF graph as a lung cancer knowledge network graph, and calculating the importance of nodes by adopting a PageRank algorithm to find key nodes on a lung cancer treatment pathway. The correctness of the method is verified, and a new research direction can be provided for a new lung cancer treatment method and a new lung cancer treatment medicine through in-depth research from diseases and genes.