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65results about How to "Avoid recognition errors" patented technology

Method and apparatus of automatically recognizing objects based on artificial intelligence deep learning

The invention discloses a method and apparatus of automatically recognizing objects based on artificial intelligence deep learning. The method of automatically recognizing objects based on artificialintelligence deep learning includes the steps: collecting X-ray images of objects to be recognized by X-ray machines disposed in different orientations of an objection recognition area; inputting thecollected X-ray images in various orientations into a preset deep learning model to extract multi-dimensional data of the corresponding objects to be identified in the X-ray images; fusing the multi-dimensional data to generate data features corresponding to the multi-dimensional data; respectively extracting the classification features and the position features from the data features; and calculating the confidence values of the classification features, and combining the classification features in which the confidence values are greater than the preset minimum value and the corresponding position features as the recognition result to output. The method and apparatus of automatically recognizing objects based on artificial intelligence deep learning utilize the cross-imaging and preset deep learning model to synthesize multi-dimensional images into a one-way composite image, thus greatly improving the recognition rate of contraband, avoiding missed detection, and realizing full automation of security inspection.
Owner:北京迈格斯智能科技有限公司

Method and device for recognizing images

The embodiment of the invention provides a method and device for recognizing images. The method and device for recognizing the images are used for solving the problem that optical character recognition errors are caused by poor image quality. The method comprises the steps of obtaining the images to be recognized, detecting the boundary outline of each character from the images to be recognized, searching for the outline pixel points on the boundary outline of each character, and detecting the pixel difference values of the outline pixel points, carrying out statistics on the pixel difference values of the outline pixel points on the boundary outline of each character in the images to be recognized, judging the definition of the images to be recognized according to the statistic result of the pixel difference values, and carrying out optical character recognition on the images to be recognized after the images to be recognized are judged to be clear. Fuzzy images to be recognized are excluded before optical character recognition is carried out, subsequent optical character recognition can be carried out on the clear images to be recognized, the problem that recognition results are wrong due to the low definition of the images is avoided, and the recognition efficiency is improved.
Owner:BEIJING SINOVOICE TECH CO LTD

A current and voltage state monitoring method and device based on fundamental wave zero sequence characteristics

The invention discloses a current and voltage state monitoring method and device based on fundamental wave zero sequence characteristics. The current and voltage state monitoring method comprises the following steps: obtaining three input variables, that is, a three-phase voltage fundamental wave zero sequence value, a three-phase current fundamental wave zero sequence value, and a zero-sequence current and neutral current difference absolute value; inputting the three input variables into a preset fuzzy inference system, wherein the fuzzy inference system comprises a mapping relation between the three input variables and fault type diagnosis results serving as output variables; and finally, obtaining the fault type diagnosis results. The current and voltage state monitoring device comprises an input variable obtaining program unit and a fuzzy inference program unit in full correspondence to the steps of the method. The current and voltage state monitoring method and device based on the fundamental wave zero sequence characteristics can accurately judge various faults under different conditions, are high in detection accuracy, do not cause false alarm, and can realize fault alarm and effective fault removal, thereby ensuring safety and stability of the power supply system.
Owner:STATE GRID HUNAN POWER SUPPLY SERVICE CENT (METROLOGY CENT) +3

Component cleanliness monitoring device and monitoring method

The invention provides a component cleanliness monitoring device comprising a reference component, a test component, a first acquisition module, a second acquisition module, a power calculation module, a measurement module and a display module. The reference component, the first acquisition module and the power calculation module are connected to lead out the current and the voltage of the reference component, and the power of the reference module is calculated. The power calculation module is connected in series with the measurement module and the display module. The measurement module performs operation of the power of the reference component inside the power calculation module and the power of the test component. The test component and the reference component are compared, whether the cleanliness of the test component is low and cleaning is needed is judged according to the comparison result, and the external environment in which the test component is located is consistent with other photovoltaic panels environments of the power station so that whether the photovoltaic panel of the power station needs to be cleaned can be reflected by the test component. According to the component cleanliness monitoring device and monitoring method, the detection result is clear and accurate, and the identification error caused by the subjective judgment can be avoided.
Owner:CHINA ENERGY CONSERVATION PINGLUO PHOTOVOLTAIC AGRI TECH CO LTD

Data security protection method based on tablet computer

ActiveCN114611084AEnhance data security protection capabilitiesRealize multi-level three-dimensional security protectionDigital data protectionDigital data authenticationRelevant informationSoftware engineering
The invention belongs to the technical field of data security protection, and particularly relates to a data security protection method based on a tablet personal computer, which comprises the following steps: a data identification receiving module receives a remote access request or artificial login information and transmits data to a verification module; when the verification module passes verification, the central control module opens general-level data access authority; when the encrypted file is accessed, the central control module controls the verification module to output a corresponding verification mode according to different file levels and judges whether verification is passed or not; when the visitor does not pass the verification, the central control module transmits relevant information of the visitor to the storage module; when the number of times of verification failure reaches a corresponding value, the central control module performs corresponding processing on the encrypted file or the tablet computer according to different levels; and when the visitor does not pass verification and can visit forcibly, the central control module carries out corresponding processing on the tablet computer according to different conditions. Through innovation of the data security protection method, multi-level three-dimensional protection of the data security of the tablet personal computer is realized.
Owner:SHENZHEN GESHEM TECH CO LTD

Tea fresh leaf classification treatment equipment and classification treatment method

The invention relates to tea fresh leaf classification treatment equipment and a classification treatment method. The tea fresh leaf classification treatment equipment comprises a reciprocating feed assembly, a vibration platform assembly and a classification platform assembly; and the vibration platform assembly comprises a U-shaped groove vibration platform, and a first driving mechanism drivesa feed hopper to reciprocate to uniformly feed materials into each U-shaped groove of the vibration platform. A second driving mechanism realizes the transverse and longitudinal two-degree-of-freedomvibration of the vibration platform; the classification platform assembly comprises a conveying belt and a plurality of hollow sliding plates which are arranged in a ladder shape and have adjustable inclination angles and are used for allowing fresh tea leaves to slide from top to bottom in sequence, compressed air forms an air cushion on the upper surface of a sliding plate which is full of air holes, an executing component assembly which comprises an upper camera assembly and a lower camera assembly which form an included angle of 90 degrees and a high-speed electromagnetic valve nozzle assembly is arranged between the adjacent sliding plates, the upper camera assembly and the lower camera assembly simultaneously take pictures of the fresh tea leaves passing through the middle area of the adjacent sliding plates, after algorithm identification, and the high-speed electromagnetic valve nozzle assembly blows the target fresh tea leaves onto the corresponding conveying belt to realize classification of the fresh tea leaves.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Entity recognition model training method and device, entity recognition method and device, equipment and medium

The invention discloses an entity recognition model training method and device, computer equipment and a storage medium, and the method comprises the steps: firstly obtaining a sample data set, enabling each piece of sample data in the sample data set to comprise N pieces of labeling data, and enabling N to be a positive integer; according to the sample data set, training a preset multi-layer recognition model to obtain an entity recognition model, wherein the multi-layer recognition model comprises a main model and N entity sub-models, and each piece of annotation data of each piece of sampledata corresponds to one entity sub-model. According to the method, a plurality of annotation data are set in the sample data, and when the multi-layer recognition model is trained, the network structure of the main model and the N entity sub-models is set, so that the memory consumption during training can be reduced. Moreover, N pieces of annotation data are set for one piece of sample data, sothat the recognition precision of the model can be better ensured on the premise of not reducing the number of the sample data. The invention further discloses an entity identification method and device, computer equipment and a storage medium.
Owner:UBTECH ROBOTICS CORP LTD

High-precision laser hole overlapped abutting joint method for producing circuit board

ActiveCN106170181ADoes not affect accuracyThere is no problem of cumulative errorPrinted circuit manufacturePunchingEngineering
The invention discloses a high-precision laser hole overlapped abutting joint method for producing a circuit board, belonging to the technical field of production of circuit boards. The technical key points in the invention comprise the following steps of: (1), manufacturing a circuit target on an inner core plate; (2), respectively and sequentially pressing a semi-solidified sheet and a copper foil on two side plate surfaces of the inner core plate, punching a first through hole, and then, sequentially performing copper inhibiting and brownification treatment; (3), burning to form a second through hole corresponding to the circuit target on the semi-solidified sheet and the copper foil through laser by taking the first through hole as a positioning coordinate; (4), manufacturing laser holes on a single panel by taking the circuit target as a reference coordinate when laser punching is carried out; and (5), repeating the step (2) to the step (4), manufacturing the laser holes layer by layer always by taking the circuit target on the inner core plate as the reference coordinate, and finally, manufacturing multi-stage any-layer interconnection plates. The high-precision laser hole overlapped abutting joint method for producing the circuit board provided by the invention is high in processing efficiency, low in cost and simple and convenient to operate; and the high-precision laser hole overlapped abutting joint method is used for producing the circuit board.
Owner:BOMIN ELECTRONICS CO LTD +1

Radar radiation source signal separation method based on improved variational mode decomposition

The invention provides a radar radiation source signal separation method based on improved variational mode decomposition. The method comprises the following steps: establishing a radar radiation source signal library of multiple modulation modes; constructing a variational model required by a variational mode decomposition algorithm; extracting the Renyi entropy of the additive hybrid radar signal as a fitness value; calculating optimal parameters of the variational mode decomposition algorithm by applying an artificial bee colony algorithm; decomposing the mixed signal into a virtual multi-channel observation signal through variational mode decomposition; signal reconstruction is realized by means of a singular value decomposition and quick independent component analysis method; extracting a time-frequency domain Renyi entropy of the separated signal as a distinguishing feature; and verifying the signal separation effect by using a support vector machine. According to the method, the additive hybrid radar radiation source signals are separated and recognized, the improved variational mode decomposition method is provided for solving the problems that the number of signals detected by a receiver is large, priori information is little and the recognition effect is poor, quick separation and accurate recognition of the hybrid radar signals are achieved, and a brand new thought is provided for follow-up processing of the hybrid signals.
Owner:THE 28TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP

Positioning mechanism of ship inner cabin rust removal robot capable of accurately recognizing rust area

The invention discloses a positioning mechanism of a ship inner cabin rust removal robot capable of accurately identifying a rusty area, which comprises a recovery disc and a frame assembly, and the frame assembly is provided with a transverse beam, two walking assemblies, two clamping assemblies, two supporting assemblies, two extending assemblies and four driving assemblies. The recycling disc is fixedly installed in the middle of the frame assembly, a rusty area positioning component and a high-precision positioning assembly are further arranged in the recycling disc, and the rusty area positioning component determines a rusty area through a comparison algorithm based on images obtained after water drop weakening processing. According to the ship inner cabin rust removal robot capable of precisely recognizing the rusty area, the rusty area can be precisely recognized through the positioning mechanism, turning movement can be achieved through the driving mechanism, and the situation that the rust removal robot is manually carried to adjust the movement direction of the rust removal robot is not needed; the frame is kept at an inclined angle through the supporting assembly and the extending assembly, and adaptive adsorption of magnetic wheels on the frame to corners is achieved.
Owner:BEIJING SHIHE TECH CO LTD

Railway D-series high-speed train apron board grating deformation fault identification method

The invention discloses a railway D-series high-speed train apron board grating deformation fault identification method, solves the problem of low detection efficiency of an existing railway bullet train apron board grating deformation fault identification method, and belongs to the technical field of railway bullet train fault identification. The method comprises the following steps: constructingan apron board grating deformation sample set of the railway bullet train; training a deep learning target detection network Faster R-CNN by using the apron board grating deformation sample set to obtain a Faster R-CNN detection model and a weight; and identifying a to-be-detected side image of the railway bullet train by using the Faster R-CNN detection model and the weight, and determining whether the apron board grating in the side image deforms and the deformation position. The feature extraction network provided by the invention comprises the following steps: replacing a 3 * 3 convolution kernel in a Bottleneck block in a Resnet-50 network with a 3 * 1 convolution kernel connected in series with a 1 * 3 convolution kernel, and replacing a ReLU activation function in the feature extraction network with a Switch activation function. According to the method, the train apron board grating deformation fault is identified and detected, and the identification error caused by fatigue andpersonal evaluation difference during manual detection is effectively avoided.
Owner:HARBIN KEJIA GENERAL MECHANICAL & ELECTRICAL CO LTD
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