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31results about How to "Narrow detection area" patented technology
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Image multifeature extraction and fusion method and system
ActiveCN102663391AMatching is fast and efficient and accurateSave manpower and material resourcesImage analysisCharacter and pattern recognitionPattern recognitionColor matching
The invention provides an image multifeature extraction and fusion method and the system, comprising the following steps of, extracting color features from an image to be matched, matching color with the target image, making sure the color similarity degree, if the color similarity degree exceeds the given color similarity degree threshold, entering the next step; extracting additional feature from the image to be matched, matching the auxiliary features with the target image, determining the auxiliary feature similarity degree, the auxiliary features comprise at least one of texture feature and shape feature; on the base of color similarity degree and auxiliary features similarity degree, making synthesis judgment and acquiring the synthesis similarity degree between the image to be matched and the target image, or matching the target image with the auxiliary features extracted from the matching zone of the image to be matched. The method and the system of the invention apply a cascade connected way to match from roughness to exactness, and can determine exactly the similarity zone of the target image and the image to be matched. The method and the system of the invention achieve a rapid and highly effective matching effect and save manpower and resources.
Owner:中安科股份有限公司
Vertebra positioning method based on convolutional neural network
InactiveCN107977971ANarrow detection areaImprove accuracyImage enhancementImage analysisSpinal diseasePre treatment
The invention relates to a vertebra positioning method based on a convolutional neural network. Vertebra positioning is an effective way for judging spinal diseases, because tissues around the vertebra have complex structures and abundant textures, diagnosis is difficult, and the efficiency is low. A vertebra positioning method based on a convolutional neural network is provided based on the aboveproblem, and therefore vertebra positioning is more accurate. The vertebra positioning method comprises following steps: A, processing vertebra CT data to increase the contrast ratio; B, carrying outsegmentation and extraction on a key area in a vertebra CT picture by means of a Faster R-CNN model; C, predicting the location of the center of mass of each segmented vertebra by means of a kernel density estimation method; and D, carrying out three-dimensional reconstruction on the processed vertebra CT picture by means of the Mimics.
Owner:HARBIN UNIV OF SCI & TECH
Method and device for detecting human faces in infrared temperature measurement system
InactiveCN105844240ANarrow detection areaAccurate detectionCharacter and pattern recognitionFace detectionComputer vision
A method and device for detecting human faces in an infrared temperature measurement system is provided. One embodiment of the invention discloses a method and device for detecting human faces. Firstly, obtaining human face possible areas of an infrared image, and mapping the human face possible areas of the infrared image onto a visible light image; then detecting human faces in the human face possible areas mapped on the visible light image, and determining whether the detected human face is the corresponding human face in the infrared image. Therefore, the human face detection area of the visible light image is greatly reduced; real-time detection can be realized on high definition visible images; accurate infrared measurement of temperature and human face detection can be simultaneously realized.
Owner:SHENZHEN INTELLIFUSION TECHNOLOGIES CO LTD
Multi-feature nighttime vehicle detection method based on machine vision
InactiveCN103984917AReduced areaImprove real-time performanceCharacter and pattern recognitionMachine visionInterference resistance
The invention provides a multi-feature nighttime vehicle detection method based on machine vision. The method comprises the steps that an upper boundary line and a lower boundary line are delimited on a detected image to obtain an area needing to be detected; in the detecting area, the binary images of a red area and a white area are obtained through the color and the brightness feature of a nighttime vehicle taillight; according to the space features of the nighttime vehicle taillight, searching is conducted on the binary images of the red area and the white area to obtain candidate taillight images; then the candidate taillight images are searched for to obtain the specific information of candidate taillights; at last, the candidate taillights are matched according to the geometric feature rules of vehicle taillight pairs so that the candidate taillight pairs can be obtained. The multi-feature nighttime vehicle detection method based on machine vision is suitable for a vehicle-mounted road target detection system based on vision, and the real-time performance and the interference resistance of the target detection system are improved. The multi-feature nighttime vehicle detection method based on machine vision is suitable for the field of vehicle intelligent anti-collision early warning and the technical field of vehicle detection.
Owner:HANGZHOU DIANZI UNIV
Tag detecting system, moving object detecting method, and entrance/exit management system
ActiveUS8248204B2Narrow detection areaElectric signal transmission systemsMultiple keys/algorithms usageManagement systemPoint of entry
A tag detecting system for detecting a movement of a person or an object that mounts an RFID tag, a moving object detecting method, and an entrance / exit management system using the moving object detecting system are provided. The tag detecting system detects a specific person or object by restricting a detection area of the RFID tag to a narrow area. Since the moving object detecting method detects a piggyback, the entrance / exit system prevents the piggyback even if there are a number of persons passing through an entrance / exit gate almost at the same time.
Owner:HITACHI ENG & SERVICES CO LTD +2
Improved Online Boosting and Kalman filter improvement-based TLD tracking method
ActiveCN108427960AHigh precisionImprove robustnessImage analysisGeometric image transformationPattern recognitionKaiman filter
The invention discloses an improved Online Boosting and Kalman filter improvement-based TLD tracking method, and belongs to the technical field of machine vision, artificial intelligence, man-machineinteraction and target tracking. The method comprises the following steps of: (1) initialization: initializing an improved Online Boosting classifier and a P-N learning device by utilizing an initialsample set formed through selecting a target and carrying out affine transformation; (2) image tracking: selecting a feature point, tracking the feature point for twice by using an L-K optical flow method, and comparing an error between the twice tracking with a threshold value so as to obtain a tracking result; (3) image detection: obtaining a detector result through a Kalman filter, a variance classifier, the Online Boosting classifier and a KNN classifier; (4) tracking result and detection result integration: assessing confidence coefficients of the tracker result and the detector result soas to determine which module result is finally adopted; and (5) online learning: correcting the tracker result and the detector result by using the P-N learning device, and enriching the sample set.The method is capable of effectively overcoming the shielding problems, improving the speed of original methods and effectively the precision and robustness of detectors.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Elevator control device
An elevator control device, which can fasten a main cable at multiple portions of the compartment lifting in the lifting well, and wind the main cable on multiple windlasses upward arranged correspondingly to drive the compartment to lift, characterized in that with respect to the main cable fixing portions, the control device can detect the difference between the storey floor and the compartment floor when the compartment arrives at the destination storey, when the detection value exceeds the specified value, the corresponding windlasses will be used to drive the main fixing portions to move upward and downward respectively, thus to align the floor and reduce the difference. Therefore, even though the windlasses make the main cable move relatively and make the compartment floor incline, the inclination can be corrected by aligning the floors, so that the relative movement of the main cable will not accumulate.
Owner:MITSUBISHI ELECTRIC CORP
Target image positioning method and device and sight line tracking device
PendingCN109934192ANarrow detection areaImprove detection efficiencyInput/output for user-computer interactionCharacter and pattern recognitionImage detectionSight line
The invention provides a target image positioning method and device and a sight line tracking device, relates to the technical field of image detection, and is used for solving the problem that the positioning speed of a target image is low. The target image positioning method comprises the steps of extracting a plurality of image blocks from a to-be-processed image containing a target image; inputting each image block into a first neural network to obtain a probability value of the target image contained in the image block; judging the image block with the maximum probability value as a target image block; and inputting the target image block into a second neural network to obtain the position of the center of the target image.
Owner:BOE TECH GRP CO LTD +1
Vertebra stabilization system and method
PendingCN111317580AAccurate identificationAccurate measurementImage enhancementImage analysisSpinal columnPhysical medicine and rehabilitation
The invention belongs to the technical field of vertebra stabilization, and discloses a vertebra stabilization system and method. The vertebra stabilization system and method comprises a fixed pressure detection module, a central control module, a vertebra positioning module, a calculation module, a fastening module, a supporting module and a display module. Through the vertebra positioning module, vertebra identification can be quickly carried out and is more accurate; a kernel density estimation method is used for refining the center of mass of the vertebra, and software is used for carryingout three-dimensional reconstruction so as to three-dimensionally show a whole segment of spine. Through a way of positioning after segmentation, a detection area is reduced, and accuracy is improved. Meanwhile, through the calculation module, on the basis of obtaining a back spine center line, a scoliosis calculation model and a spine center line and back spine center line deviation degree calculation model are constructed to realize the accurate measurement of a vertebra rotation angle, and the invention has a wide application value.
Owner:THE SECOND HOSPITAL AFFILIATED TO WENZHOU MEDICAL COLLEGE
Classroom student behavior detection method
InactiveCN111353468ADetection area reducedImprove manual inspection efficiencyData processing applicationsBiometric pattern recognitionEngineeringDeep learning
The invention discloses a classroom student behavior detection method, relates to image processing and recognition, and mainly solves the technical problems of low accuracy, low speed and poor robustness of a current full-image detection method. The classroom student behavior detection method comprises the following steps: converting an original image of a classroom student into a grey-scale map;inputting the grey-scale map into a deep learning model to carry out head and shoulder frame detection and prone table identification, and obtaining a head and shoulder frame; determining a hand raising detection area according to the head and shoulder frame, and performing hand raising detection in the hand raising detection area. The hand raising detection area is determined according to the head and shoulder frame, and hand raising detection is performed in the hand raising detection area so that the detection input image can be greatly reduced, the detection area can be greatly reduced, the hand detection efficiency can be effectively enhanced, the hand detection accuracy can also be greatly enhanced and the robustness is high.
Owner:YULIN NORMAL UNIVERSITY
Infrared-assisted binocular ranging method and distance compensation heat value acquisition method
PendingCN111985398AHigh measurement accuracyGood measurement stabilityCharacter and pattern recognitionPyrometry for hot spots detectionParallaxOphthalmology
The invention relates to an infrared-assisted binocular ranging method and a distance compensation heat value acquisition method. The infrared-assisted binocular ranging method comprises the followingsteps: collecting an infrared image, and determining a high-temperature dangerous region according to the infrared image; collecting a binocular image containing the high-temperature dangerous regionas a target region; determining a target region of interest of the binocular image according to the target region and the high-temperature dangerous region to realize target segmentation; calculatinga binocular target center position according to the target segmentation result; calculating target parallax according to the center position of the binocular target; and calculating a target distanceaccording to the distance-parallax model. The distance compensation heat value acquisition method calculates the target temperature according to the obtained target distance and the initial temperature of the high-temperature dangerous region and the distance-temperature model. Compared with a traditional method, the ranging method is high in measurement precision, wide in application field and good in measurement stability. The temperature measurement result of the high-temperature dangerous region is compensated through the measured accurate distance, and the accuracy and stability of target temperature measurement are improved.
Owner:广州洪拓光电技术有限公司
Automatic inspection system and automatic inspection method for equipment beside the ground rail
PendingCN112200483APrecise positioningNarrow detection areaChecking time patrolsClosed circuit television systemsImaging dataOperation safety
The present invention provides an automatic inspection system and an automatic inspection method for equipment beside a ground rail, an image acquisition module, a positioning module and a fault detection module are arranged on an inspection vehicle, the image acquisition module acquires image data of the equipment beside the ground rail, and the positioning module acquires real-time position information of the inspection vehicle; and the fault detection module identifies and analyzes the equipment beside the ground rail according to the image data and the corresponding position information during image shooting, obtains the position of the fault equipment and determines the fault type. According to the invention, full-automatic inspection of the equipment beside the ground rail is realized, the identification precision and efficiency are improved, the flexibility and expandability are good, the labor cost is reduced, and the operation safety is guaranteed.
Owner:CASCO SIGNAL
Safety helmet wearing detection method
PendingCN111414825AImprove detection efficiencyImprove detection accuracyBiometric pattern recognitionNeural architecturesImaging processingFeature extraction
The invention discloses a safety helmet wearing detection method, belongs to image processing and recognition, and mainly solves the technical problems of poor robustness and poor adaptability of theexisting visual detection safety helmet wearing. The detection method comprises: acquiring an original image of a construction site, and amplifying the original image by N times through image transformation to obtain an amplified image; marking safety helmet information on the amplified image; inputting the original image, the amplified image and the safety helmet information into a target detection network for learning, and performing image feature extraction to obtain face features; obtaining a face block diagram according to the face features; and determining a head area according to the face block diagram, and performing safety helmet detection in the head area. Safety helmet detection is performed in the head area so that the detection input image can be greatly reduced, the detectionarea can be greatly reduced, the detection efficiency and accuracy can be effectively enhanced, the robustness is high and the adaptability is great.
Owner:YULIN NORMAL UNIVERSITY
Massaging robot acupoint detecting and positioning method based on YOLO
ActiveCN114022554AHigh speedImprove reliabilityImage analysisNeural architecturesHuman bodyRadiology
The embodiment of the invention relates to a YOLO-based massage robot acupoint detection and positioning method. The method comprises the following steps: A10, acquiring a human body original image pasted with a circular acupoint patch; A20, adopting a YOLO network model to carry out coarse positioning on the circular acupoint patch to obtain a coarsely positioned acupoint area; A30, preprocessing the coarsely positioned acupoint area, and obtaining edge points of the acupoint patch by adopting a Canny algorithm; A40, based on the edge points of the acupoint patch, determining a maximum communication area, taking the determined maximum communication area as the edge of the acupoint patch, and based on the extracted maximum communication area, acquiring accurate acupoint center information by adopting a least square method. By means of the method, the accuracy of human body acupoint recognition and positioning is achieved, and the reliability of results is improved.
Owner:NORTH CHINA INST OF AEROSPACE ENG
Electric tower bolt detection method
PendingCN114299403AImprove accuracyNarrow detection areaCharacter and pattern recognitionNeural architecturesAlgorithmEdge extraction
The invention discloses an electric tower bolt detection method. In order to solve the problem that whether the bolt falls off or not cannot be accurately detected in the prior art, the method comprises the steps of establishing a database, performing joint detection by utilizing a Yolo V5 model, detecting the position of the bolt and the existence of the bolt by utilizing a Fast RCNN model, performing edge extraction by utilizing a canny operator, and calculating the curvature of an edge curve to judge whether the bolt falls off or not. The detection accuracy can be improved; the connection part is firstly identified, and bolt detection is carried out on the connection part, so that the detection area is reduced, and the detection speed is improved.
Owner:国网浙江省电力有限公司龙游县供电公司
Paper currency safety line magnetic coding detection device and method
InactiveCN106023409ACompact structureShort detection timePaper-money testing devicesElectrical and Electronics engineeringData processing
The invention discloses a paper currency safety line magnetic coding detection device and a paper currency safety line magnetic coding detection method which are used for detecting the magnetic code of the safety line of a paper currency which is fed from the short edge of the paper currency. According to the paper currency safety line magnetic coding detection device, a magnetic coding detection device comprising a plurality of magnetic probes is arranged on a transfer channel; the length direction of the safety line of the paper currency is vertical to the movement direction of the paper currency; the plurality of magnetic probes are distributed from the length direction of the safety line; and the plurality of magnetic probes are arranged obliquely relative to the length direction of the safety line in a manner that the same angle is formed between each magnetic probe and the length direction of the safety line. When the safety line of the paper currency pass through the magnetic coding detecting device, the plurality of magnetic probes carry out sectional acquisition on the magnetic code of the safety line of the paper currency simultaneously; a plurality of magnetic code sections are spliced, so that the complete magnetic code of the safety line can be obtained. The above detection device is compact in structure and occupies a small space in the transfer channel; a corresponding detection area is narrow; and detection time and data processing time are short. The detection method has the advantages of few steps, high detection accuracy and high efficiency.
Owner:ZHONG CHAO GREAT WALL FINANCIAL EQUIP HLDGCO
Assay membrane test region localization
PendingUS20220299431A1Narrow detection areaNoise minimizationMethod using image detector and image signal processingMaterial analysis by observing effect on chemical indicatorAssayAnalyte
A method for localizing a test region of interest on an assay membrane to determine the contours of the test region and enable calibration of the location of the test region such that the same region can be localized to image an analyte of interest after an assay run. Pre-localization of the test region limits the contours of the detection area to only the test region with a reasonable margin such that background noise received by the detector can be minimized. By limiting the region of detection to a pre-localized test region improved accuracy can be achieved in flow assay membrane tests, in particular in automated analyzer systems.
Owner:KENOTA INC
License plate area positioning method, device and equipment
InactiveCN110472630AFix positioning errorsHigh precisionCharacter and pattern recognitionImage conversionPosition error
The invention discloses a license plate area positioning method, device and equipment, and the method comprises the steps: collecting an image of a vehicle, and converting the image into a gray image;performing edge detection on the gray image through a first edge detection algorithm to obtain a first edge detection result, and performing edge detection on the gray image through a second edge detection algorithm to obtain a second edge detection result; performing logical OR operation on the first edge detection result and the second edge detection result to obtain a third edge detection result; filtering the third edge detection result through rectangular and connected domain region hybrid filtering; obtaining fourth edge detection results. The first edge detection algorithm and the second edge detection algorithm are combined for edge detection, the detection area is reduced, the detection area is further reduced through a rectangular and connected area hybrid filtering method, theproblem that edge detection easily causes positioning errors of the license plate area is solved, and the accuracy of the license plate positioning area is improved.
Owner:上海世茂物联网科技有限公司
Front-back linkage automatic door control method and device, vehicle and storage medium
ActiveCN114150963ALow powerReduced precision requirementsPower-operated mechanismBack doorRear-view mirror
The invention relates to the technical field of automobile intelligent control, in particular to a front-back linkage automatic door control method and device, a vehicle and a storage medium. The front-back linkage automatic door control method comprises the following steps that a door opening instruction is received, and a first detection device arranged on an automobile rearview mirror is started to collect a first image of a set area range; the first image is processed, a processing result is output, and if the processing result meets a set condition, a vehicle door is opened; at least two second detection devices arranged on the vehicle door are started for real-time detection, and the first detection device is closed; the two started second detection devices are located on the front side and the rear side of the front door or the front side and the rear side of the rear door or the front side of the front door and the rear side of the rear door respectively. Opening and closing control of the vehicle door is achieved through switching of the first detection device and the second detection device, the detection range is narrowed, the precision requirement for an algorithm is lowered, and the control cost is reduced.
Owner:SHENZHEN ZENBO TECH CO LTD
Front-end detection unit device
PendingCN114323459ANarrow detection areaImprove maintenance efficiencyDetection of fluid at leakage pointProcess engineeringElectrical and Electronics engineering
The invention provides a front-end detection unit device. The front-end detection unit device comprises a GIS mechanism and a detection mechanism, the GIS mechanism comprises a first shell and a GIS assembly, and the GIS assembly is arranged in the first shell; sF6 is arranged in the first shell; sF6 is arranged in the first shell; the detection mechanism comprises a second shell and a detection assembly arranged in the second shell; the detection assembly is used for monitoring the concentration of SF6 in the first shell; the first shell is communicated with the second shell; the detection assembly comprises a detection module and a driving module used for driving the detection module to move. The SF6 leakage detection device solves the problem that traditional GIS equipment cannot detect whether SF6 is leaked or not, and has the advantages of being simple in structure and low in manufacturing cost.
Owner:HUANENG HAINAN POWER INC +1
Image processing apparatus, control method for image processing apparatus, and storage medium
ActiveUS20190028709A1Improve detection accuracyNarrow detection areaTelevision system detailsImage enhancementLow contrastMotion vector
A system control unit sets at least one of a non-overlapped area in which an nth image and an (n+1)st image do not overlap and a low contrast area of the (n+1)st image as an in valid area that is not used for misalignment detection of the (n+1)st image. Then, the system control unit sets alignment small blocks for a motion vector search in only an area excluding the invalid area in the overlapped area in which two combining target images overlap.
Owner:CANON KK
Sensor having chemical inspecting function and the inspecting material contained therein
InactiveUS20160109436A1Simple processExtended shelf lifeBioreactor/fermenter combinationsAnalysis using chemical indicatorsRetention periodVisibility
The present invention provides a sensor having chemical inspecting function and the inspecting material contained therein. In simple terms, one of the major features of the present invention is to reduce the detection area contacted with air between the gel and the inspecting material so as to slow down the degradation thereof. The other feature of the invention is to provide the detailed compositional parameters required by the inspecting material in the said process so as to obtain a balanced value between the cost and the visibility. By the present invention, the problem of short retention period of the personal hygiene item is herein solved.
Owner:NATIONAL TSING HUA UNIVERSITY
Operation line corridor environment factor change monitoring method
PendingCN113160255AImprove work efficiencyReduce economic costsImage enhancementImage analysisComputer graphics (images)Engineering
The invention relates to an operation line corridor environmental factor change monitoring method, which comprises the following steps: identifying an edge curve of a building in an image by using Canny segmentation, and then performing standard Hough transformation on the edge curve obtained by Canny segmentation to identify a rectangular area, so that points and operand required to be calculated by the Hough transformation can be reduced, in other words, calculation of Hough transformation is only carried out on the detected edge points; and finally, finishing the positioning of the suspected house target through an improved ROI algorithm. According to the invention, the working efficiency of power transmission and transformation project operation line environment factor identification work is improved, and the edge information of buildings such as houses and plants can be accurately identified.
Owner:MAINTENANCE BRANCH OF STATE GRID FUJIAN ELECTRIC POWER +1
Improved TLD Tracking Method Based on Improved Online Boosting and Kalman Filter
ActiveCN108427960BHigh precisionImprove robustnessImage analysisGeometric image transformationImage detectionEngineering
The invention proposes an improved TLD tracking method based on improved Online Boosting and a Kalman filter, belonging to the technical fields of machine vision, artificial intelligence, human-computer interaction, and target tracking. The method includes the following steps: (1) initialization: use the initial sample set formed by selecting the target and affine transformation to initialize the improved Online Boosting classifier and P-N learner; (2) image tracking: select feature points, use twice The L-K optical flow method is used to track it, and the tracking error is compared with the threshold twice to obtain the tracking result; (3) Image detection: after Kalman filter, variance classifier, Online Boosting classifier, KNN classifier (4) Integrated tracking and detection results: evaluate the confidence of the tracker and detector results, and obtain the final module result; (5) Online learning: P-N learner is used to correct the tracker, Detector results, and enrich the sample set. The invention can effectively overcome the occlusion problem, increase the speed of the original method, and simultaneously effectively improve the accuracy and robustness of the detector.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Winding position identification device and method for wireless power transmission based on pre-excitation magnetic field
ActiveCN109412280BAccurate identificationNarrow detection areaCircuit arrangementsExcitation currentMultiple sensor
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1
Image processing apparatus for alignment of images, control method for image processing apparatus, and storage medium
ActiveUS11109034B2Improve detection accuracyNarrow detection areaImage enhancementTelevision system detailsImaging processingMotion vector
A system control unit sets at least one of a non-overlapped area in which an nth image and an (n+1)st image do not overlap and a low contrast area of the (n+1)st image as an in valid area that is not used for misalignment detection of the (n+1)st image. Then, the system control unit sets alignment small blocks for a motion vector search in only an area excluding the invalid area in the overlapped area in which two combining target images overlap.
Owner:CANON KK
Image multifeature extraction and fusion method and system
ActiveCN102663391BNarrow detection areaImprove matching speedImage analysisCharacter and pattern recognitionPattern recognitionColor matching
The invention provides an image multifeature extraction and fusion method and the system, comprising the following steps of, extracting color features from an image to be matched, matching color with the target image, making sure the color similarity degree, if the color similarity degree exceeds the given color similarity degree threshold, entering the next step; extracting additional feature from the image to be matched, matching the auxiliary features with the target image, determining the auxiliary feature similarity degree, the auxiliary features comprise at least one of texture feature and shape feature; on the base of color similarity degree and auxiliary features similarity degree, making synthesis judgment and acquiring the synthesis similarity degree between the image to be matched and the target image, or matching the target image with the auxiliary features extracted from the matching zone of the image to be matched. The method and the system of the invention apply a cascade connected way to match from roughness to exactness, and can determine exactly the similarity zone of the target image and the image to be matched. The method and the system of the invention achieve a rapid and highly effective matching effect and save manpower and resources.
Owner:中安科股份有限公司
High-temperature dangerous area positioning method
PendingCN111932558APrecise positioningHigh measurement accuracyImage enhancementRadiation pyrometryParallaxOphthalmology
The invention relates to a high-temperature dangerous area positioning method, which comprises the following steps of: installing a binocular camera and an infrared camera on a cradle head of the samedetection device, and adjusting the binocular camera and the infrared camera into parallel optical axes; the infrared camera collects an infrared image and determines a high-temperature dangerous area according to the infrared image; collecting a pitch angle and a rotation angle of the optical axis; the binocular camera collects a binocular image containing a high-temperature dangerous area as atarget area; determining a target region of interest of the binocular image according to the target region and the high-temperature dangerous region to realize target segmentation; calculating a binocular target center position according to the target segmentation result; calculating target parallax according to the center position of the binocular target; calculating a target distance according to the distance-parallax model; calculating to obtain a target coordinate value according to the pitch angle, the rotation angle and the target distance; and the physical position of the target is calculated according to the physical coordinates of the detection device and the target coordinate value to realize high-temperature dangerous area positioning. By means of the positioning method, accurate positioning of the high-temperature dangerous area can be achieved.
Owner:HUBEI POLYTECHNIC INST
Weld detecting method and weld detecting apparatus
InactiveCN102667397AShorten the timeNarrow detection areaUsing optical meansMechanical measuring arrangementsComputer science
Owner:TOYOTA JIDOSHA KK
Elevator control device
An elevator control device, which can fasten a main cable at multiple portions of the compartment lifting in the lifting well, and wind the main cable on multiple windlasses upward arranged correspondingly to drive the compartment to lift, characterized in that with respect to the main cable fixing portions, the control device can detect the difference between the storey floor and the compartmentfloor when the compartment arrives at the destination storey, when the detection value exceeds the specified value, the corresponding windlasses will be used to drive the main fixing portions to moveupward and downward respectively, thus to align the floor and reduce the difference. Therefore, even though the windlasses make the main cable move relatively and make the compartment floor incline, the inclination can be corrected by aligning the floors, so that the relative movement of the main cable will not accumulate.
Owner:MITSUBISHI ELECTRIC CORP
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