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68 results about "Label quality" patented technology

Semi-supervised learning method and system based on target segmentation field self-learning

The invention provides a semi-supervised learning method based on target segmentation field self-learning. The method comprises the following steps: training an initial segmentation network by using marked data in a training data set; generating a pseudo label from unmarked data in the training data set through the trained initial segmentation network; performing shape quality evaluation and semantic quality evaluation on the generated pseudo label; fusing the shape quality and the semantic quality to obtain pseudo label quality; estimating the distribution of the real labels and the pseudo labels, and optimizing the distribution of the pseudo labels; adding data with relatively high pseudo label quality into the training data set to expand the training data set; optimizing the trained initial segmentation network by using the expanded training data set; and iteratively repeating the above steps until the performance of the segmentation network is saturated. The invention further provides a corresponding system, a terminal and a medium. The problem of low segmentation precision in the target segmentation field under the condition of a small number of sample annotations is solved, and good performance is realized.
Owner:SHANGHAI JIAO TONG UNIV

Semi-supervised medical image segmentation method and device based on dual-model interactive learning

ActiveCN114332135ARealization of interactive learningReduce the impactImage analysisNeural architecturesPattern recognitionMedicine
The invention provides a semi-supervised medical image segmentation method and a semi-supervised medical image segmentation device based on double-model interactive learning, which are assisted by a stability judgment strategy and are used for solving the false label quality problem of semi-supervised medical image segmentation. According to label data features, supervision constraints of cross entropy and DICE are introduced when label data knowledge is effectively learned. According to features of the false labels, adjoint variables are introduced in the method, and the adjoint variables are mainly used for relieving the influence of wrong false labels on the model learning process. And performing noise enhancement on the samples, and providing consistency loss based on a sample prediction result and a noise sample prediction result in a formal training stage. According to the learning of double models on label-free data, the method proposes a false label screening mechanism based on stability judgment, and realizes double-model interactive learning; the medical image segmentation method is simple and convenient to implement and flexible in means, and remarkable segmentation effect improvement is achieved on training data of the medical image.
Owner:ZHEJIANG LAB

Round bottle label quality detecting device

PendingCN108480229AThere will be no detection dead angleImprove accuracySortingEngineeringBottle
The invention discloses a round bottle label quality detecting device. The round bottle label quality detecting device comprises a conveying belt, a label discharging mechanism, a bottle rolling plate, a bottle rolling belt and an imaging component. The label discharging mechanism discharges a label, the front end of the label makes contact with a bottle body and is pasted to the bottle body, thebottle rolling plate and the bottle rolling belt are arranged on the two sides of the conveying belt, the bottle body is clamped, the bottle rolling belt rotates, the bottle body is driven to rotate,and the label is pasted to the bottle body. The bottle rolling plate is provided with a label detection window, the upper edge of the label detection window is higher than the upper edge of the label,and the lower edge of the label detection window is lower than the lower edge of the label; and the length is larger than the perimeter of the bottle body. The bottle rolling plate is provided with the long-strip-shaped detection window corresponding to the label in height, and the length of the detection window is larger than the perimeter of the round bottle. The bottle rolling belt is utilizedfor rotating the round bottle, the imaging component can collect the integral state of the label, the detection dead angle is avoided, the detection accuracy rate is effectively increased, and the phenomenon of mistaken removal is avoided.
Owner:HUNAN KELUN PHARMA

Semiautomatic labeling machine for complicated-shape bottles

The invention relates to the technical field of labeling machines for complicated-shape bottles and particularly discloses a semiautomatic labeling machine for the complicated-shape bottles. The semiautomatic labeling machine comprises a machine board as well as a conveying mechanism, a transferring mechanism and a hold-down mechanism which are arranged on the machine board, wherein the transferring mechanism comprises a first sliding plate, a first driving motor, a rotary table, a second driving motor, a jacking plate, a third driving motor and a first cam; the first sliding plate is connected to the machine board in a sliding manner; the rotary table is rotationally connected to the first sliding plate; the jacking plate is connected to the first sliding plate in a sliding manner; duringuse, the complicated-shape bottles are placed between the rotary table and the jacking plate; the third driving motor drives the jacking plate to jack the complicated-shape bottles on the rotary table; the first driving motor drives the complicated-shape bottles to move to the hold-down mechanism; the second driving motor drives the complicated-shape bottles to rotate; the hold-down mechanism compresses and attaches label paper conveyed by the conveying mechanism to the complicated-shape bottles; compared with a mode of holding down the complicated-shape bottles on the rotary table by using an air cylinder, the semiautomatic labeling machine has the advantages that the stability of labeling quality is improved, and noise generated by using an air compressor configured for the air cylinderis avoided.
Owner:深圳市敦鼎智能自动化科技有限公司

Label quality detection method and device and computer readable storage medium

The invention provides a label quality detection method and device and a computer readable storage medium. The label is defaulted to be in a defective product state; the method comprises the followingsteps of: acquiring quality detection information of a label; if the label information is collected, the collected quality detection information is compared with a standard information template, whenthe collected quality detection information is consistent with the standard information template, the default state is changed into a good product state and then is output as a detection result, andwhen the collected quality detection information is inconsistent with the standard information template, the default defective product state is output as the detection result; and if the label information is not collected, outputting a detection result based on the default state of the defective product. Through the implementation of the scheme, the quality of the label is detected in an intelligent mode, the workload of label quality detection is effectively reduced, and the detection efficiency and the detection accuracy are improved; and when the label information is not effectively collected, the detection result is output based on the default state, so that the yield of labels used on line is improved.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Steel coil sequence accurate positioning method based on multi-carrier identification technology

The invention discloses a steel coil sequence accurate positioning method based on a multi-carrier identification technology, and relates to the field of steel coil transfer in the metallurgical industry. According to field actual requirements and support of various multi-carrier identification technologies, the data flow and logic relation of the steel coil information are scientifically plannedand utilized, the shunting design is adopted, information accumulation is avoided, and the steel coil information tracking efficiency is improved. The method comprises the specific steps of steel coilinformation automatic identification, RFID label accurate positioning and sequence judgment, image data intelligent matching and steel coil data system verification. According to the method, code spraying errors are effectively reduced; the code spraying quality and the influence of the confusable characters on the correct identification of the sprayed codes are improved; the influence of factorssuch as the pasting position of the RFID tag, the tag quality and the surrounding environment on the tag identification sequence in the identification range of the identification and reading equipment is greatly reduced, accurate positioning of the steel coil data is realized, the integrity and the accuracy of the material information are comprehensively improved, and the reliability of the material information data is improved.
Owner:BEIJING SHOUGANG AUTOMATION INFORMATION TECH

Hot-melt glue labelling machine

The invention discloses a hot-melt glue labelling machine. The hot-melt glue labelling machine comprises a machine frame, a dispensing mechanism, a label cutting mechanism, a labelling mechanism, a control box, a conveying belt and a label conveying mechanism. The label conveying mechanism comprises a label wheel and a vacuum drum. A negative pressure space with one face being provided with an opening is arranged in the vacuum drum, and the opening is connected with a draught fan. Air suction holes communicating with the negative pressure space are formed in the side face of the vacuum drum. Labelled paper can be adsorbed onto the side face of the vacuum drum after extending out of the label wheel, and the vacuum drum rotates to drive the labelled paper to pass through the dispensing mechanism, the label cutting mechanism and the labelling mechanism in sequence. The dispensing mechanism coats glue onto the labelled paper, the label cutting mechanism can cut off the labelled paper and the labelling mechanism can paste the labelled paper onto bottles. According to the hot-melt glue labelling machine, the labelled paper can be adsorbed through the air suction holes in the side face of the vacuum drum, and the effect of fixed conveyance of labels can be achieved; and meanwhile, the labels can be conveyed flatly due to arrangement of the multiple air suction holes, wrinkling of the labels is prevented, the labels can be pasted onto the bottles more flatly and firmly, and thus labelling quality is improved.
Owner:温州市琛和机械设备有限公司

Method and device of evaluating label quality of pitch information and storage medium

The invention discloses a method and a device of evaluating label quality of pitch information and a computer-readable storage medium, and belongs to the technical field of information processing. Themethod includes: obtaining lyric information and the pitch information of a target song, wherein the lyric information includes a playing starting time point and continuous-playing duration which areof each sentence of lyrics in multiple sentences of lyrics of the target song and in playing duration of the target song, and the target song is a song of which the label quality of the pitch information is to be evaluated; and then evaluating the label quality of the pitch information of the target song on the basis of the playing starting time point and the continuous-playing duration of each sentence of lyrics in the multiple sentences of lyrics. Therefore, in the embodiment of the invention, the pitch information of labels can be inspected through the lyric information of the song, and thus an evaluation result is obtained; and compared with methods of manual inspection in the related art, the method of the invention saves manpower and time, also eliminates, at the same time, label errors caused by human factors, and improves accuracy of an evaluation result.
Owner:GUANGZHOU KUGOU TECH

Automatic optical identification system suitable for radio frequency identification label quality checking

The invention relates to an automatic optical identification system suitable for radio frequency identification label quality checking, and belongs to the technical field of optical automatic identification. The automatic optical identification system is characterized in that a planar light source is fixed on a cabinet on one side of a product roll at the front end of a reader-writer of a winding part of composite equipment; a camera is fixed on the cabinet on the other side of the product roll of the planar light source; the output of the camera is connected with an AOI controller in a control box; the reader-writer detects a triggering signal sent by each label, and the triggering signal is connected with the vision controller Trigger1 end in the AOI controller. According to the automatic optical identification system, the reader-writer is used for detecting that each label sends the triggering signal, and each RFID label is shot at ultra-high shooting speed; after high-speed image processing calculation of the AOI controller is carried out, whether the various sizes are greater than an upper set limit and a lower set limit is judged. The automatic optical identification system can be used for detecting each RFID label and providing a deflection value of the relevant size of each label; the detection speed can be matched with the highest speed of the cabinet, so that abnormal products caused by human eye precision and efficiency are reduced, and the qualification rate and the yield of products are improved.
Owner:SHANGYANG RFID TECH YANGZHOU

High precision automatic labeling machine

The invention discloses a high-precision automatic labeling machine, which comprises an electric box bottom frame. The top of the electric box bottom frame is fixedly provided with a labeling machinemounting board. The labeling machine mounting board is equipped with a label belt clamp, a guide wheel set, a power traction unit, a label covering unit and a paper taking roller; the label belt clampis mounted on the top of the labeling machine mounting plate through a label belt clamp shaft, the guide wheel group and the paper taking roller are mounted on the lower part of the label belt clamp,in the middle space of the guide wheel set, the power traction unit is fixed on the side wall of the labeling machine mounting plate, the lower part of the guide wheel set is provided with a stripping unit, the label covering unit is fixedly disposed on the side part of the labeling machine mounting board by a label covering fixing bracket, and the lower part of the label covering unit is provided with a jig adjustment unit. The high-precision automatic labeling machine is wide in application scope, high in degree of automation, and simple in operation, the production process is effectively improved, the labeling efficiency is improved, labeling quality and precision are ensured, the manpower greatly is saved, the production cost is reduced, and the waste of resources is reduced.
Owner:汕头市灿阳体育用品有限公司
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