59results about How to "Strong identification ability" patented technology

Embodiments of the invention may include a sensor system and a method used to track the behaviors of targets in an area under surveillance. The invention may include a sensor array located in the area that is capable of sending messages to a user when behavior of a tracked target is determined to be anomalous. In making the determination of anomalous behavior, the sensor system and method may generate and continuously refine a pattern of life model that may examine, for example, the paths a target may take within the sensor array and the end points of the paths taken. The sensor system and method may also incorporate any user defined conditions for anomalous behavior.

The invention discloses an image copying detection method based on local digital fingerprint, which comprises the following steps that: local SIFI features are extracted from each image in a tested image library, local digital fingerprint conversion is carried out to the high-dimensional SIFT feature vector and the frequency of the fingerprint in each image is calculated so as to establish a digital fingerprint database; and when the image is inquired, the SIFT features are first extracted from the inquired image and then converted into the digital fingerprint and the information of unreliable positions during the conversion process, then inquiry is carried out in an inverted index structure in a tested fingerprint library by integrating the unreliable information so as to quickly obtain and inquire a tested image set associated with the local digital fingerprint of the inquired image, measure the similarity of the inquired image and the associated tested image and judge whether is image is copied. In the detection of the copying performance, the method has very good recall rate and precision; and in detecting the copying efficiency, the method can also detect the copying of the inquired image.

The invention discloses an image pedestrian re-identification method and system based on multi-attention joint learning, and belongs to the technical field of image processing. Soft attention and high-order attention are introduced into a ResNet50 feature extraction network; by utilizing the complementary effect of two different types of attention on feature extraction, the learning ability of thefeature extraction network on pedestrian features is improved, so that the feature extraction network pays attention to more discriminative features in pedestrian images. In order to obtain more accurate attention features, a multistage attention loss function is provided, the loss function is utilized to guide training and learning of the feature extraction network, and the learning ability of the feature extraction network for pedestrian features is further improved. When pedestrian global features are learned, intermediate features in the feature extraction network are fused, learning of pedestrian local features is enhanced, the ability of the network to learn subtle differences between pedestrian features is improved, and the performance of the network in image pedestrian re-identification is improved.

The invention discloses a two-dimensional code compiling method. The two-dimensional code compiling method comprises the following steps of: on the basis of a self-adaptive code compiling extended black and white code compiling technology and a code compiling scheme applicable to different multimedia, introducing an interweaving technology into an error-correcting code compiling technology by using a data compression technology with an open structure during compression code compiling; and adopting an advanced morphologic image pre-processing technology based on multi-scale structural analysis. The two-dimensional code compiling method has the advantages that a two-dimensional code is superior to the conventional two-dimensional code standard in terms of information bearing capacity, robustness, safety, reliability and adaptability; and coding and decoding bottom-layer supporting software provides technical support for various types of application of the two-dimensional code to the field of the internet of things in an open interface mode, the market monopoly position of the conventional foreign two-dimensional code standard can be broken, the chaotic situation of the conventional domestic two-dimensional code application is changed, and a firm foundation is laid for the development of the internet-of-things industry.

The invention relates to a method and a device for safely interacting on-site operation and maintenance data, comprising the following steps: an operation and maintenance tool sends request information to complete identity authentication with a power distribution terminal and a master station; generating a digital certificate application file of the distribution terminal before the distribution terminal is put into operation on site, importing a formal digital certificate stored in an operation and maintenance tool into the distribution terminal, and performing remote interaction of the fieldoperation and maintenance data; when the distribution terminal is out of service, the symmetric key of the distribution terminal is updated, and the test digital certificate stored in the operation and maintenance tool is imported into the distribution terminal. This scheme improves the management flow of digital certificate and symmetric key, and makes up for the security loopholes in the operation and maintenance process of distribution terminals, so as to improve the security protection level of field application and operation and maintenance of distribution terminals.

The invention discloses a DNA bar code primer pair, kit and method for identifying Taxus chinensis species. The kit comprises the following DNA bar code primer pair including an upstream primer Taxus Indel-F(SEQ ID NO.1) and a downstream primer Taxus Indel-R(SEQ ID NO.2). DNA bar codes include the Taxus chinensis DNA bar code, the Taxus chinensis var.mairei DNA bar code, the Taxus cuspidata DNA bar code, and the Taxus baccata DNA bar code, wherein the sequence of the Taxus chinensis DNA bar code is shown as SEQ ID NO.3 to SEQ ID NO.6, the sequence of the Taxus chinensis var.mairei DNA bar code is shown as SEQ ID NO.7 to SEQ ID NO.8, the sequence of the Taxus cuspidata DNA bar code is shown as SEQ ID NO.9, and the sequence of the Taxus baccata DNA bar code is shown as SEQ ID NO.10. The kit and the identifying method are simple, easy to implement and capable of being effectively used for Taxus species identification, protection and related research, and results are accurate and reliable.

The invention discloses a compound amplification detection kit containing forty InDel genetic polymorphic sites of human X chromosome. The forty InDel sites of the X chromosome and an individual identification location point are amplified simultaneously by a primer group. Compared with a traditional STR genetic marker, an insertion deletion genetic marker used in the compound amplification detection kit has the advantages of low mutation rate and high sensitivity; and the polymorphism detection sites involved in the compound amplification detection kit combine the advantages of an InDel genetic marker and the special genetic characteristics of the X chromosome, and effective supplementary means can be provided for identification of difficult or special cases.

The invention provides a comprehensive passenger transport hub pedestrian colorful guide sign setting method. Comprehensive passenger transport hub pedestrian colorful guide signs comprise comprehensive passenger transport hub spacial colorful graphic signs and direction inducing colorful arrow signs. The comprehensive passenger transport hub spacial colorful graphic sign setting method comprises the steps of: drawing three-dimensional layout charts of a comprehensive passenger transport hub by layers; finding out geometric center positions of main functional zones and route decision points of the layers; and marking names of the functional zones. The direction inducing colorful arrow sign setting method comprises the steps of: drawing a planar layout chart of the comprehensive passenger transport hub; and drawing a planar layout vectorgram of the comprehensive passenger transport hub. The method is used for guiding passengers to select advancing routes in the hub, and has strong identifiability. A computing method for set positions of the direction inducing colorful arrow signs adopts a simple principle of mathematics, is easy to implement through a computer, and has low resource consumption and high computing efficiency.

The invention provides a method for predicting, estimating and identifying bad data of a denitration system based on an Elman neural network. The method mainly comprises the following steps: acquiringoriginal data, constructing an Elman neural network, learning the neural network, screening, marking bad samples, removing the bad samples, then reconstructing and training the Elman neural network,and finally inspecting and correcting the bad samples by using the trained neural network. According to the invention, the bad data of the denitration system is predicted, estimated and identified based on the Elman neural network; the influence of bad samples on the network prediction precision is reduced by constructing and training the Elman neural network for many times; the subjectivity of manual selection is avoided by randomly testing an original sample; by optimizing sample construction and training the Elman neural network, the identified bad samples are inspected and corrected, misjudgment of the bad samples is avoided, and the method has the advantages of being suitable for large fluctuation and time-varying characteristics of denitration system data parameters, high in identification precision and accuracy and capable of being widely applied to identification of bad data in the field of flue gas denitration.

The invention discloses a speaker recognition method and system based on a multi-source attention network. The method comprises the steps of extracting gender features of a speech segment to be recognized; extracting accent features of the speech segment to be recognized; based on a CNN network of the trained multi-source attention network, extracting tone features of the speech segment to be recognized; on the basis of a gender attention network of the trained multi-source attention network, constructing gender auxiliary features by using the gender features and tone features; based on an accent attention network of the trained multi-source attention network, constructing accent auxiliary features by utilizing the accent features and tone features to ; and combining the timbre feature, the gender auxiliary feature and the accent auxiliary feature to identify the speaker. The speaker recognition method is designed by simulating the thinking mode of human for speaker recognition, so that the recognition effect is better, and particularly for speakers which are extremely easy to cause confusion, the speaker recognition method can better distinguish the speakers.

The invention relates to a device and method for detecting the inside of a small-diameter high-pressure water filling pipeline. The device comprises an aircraft, a cable and a controller; a bow part of the aircraft is of a hemispherical expansion structure, a middle part of the aircraft is of a pressure-resistant cabin, and a tail part of the aircraft is of an ellipsoidal structure; a vertical propeller, horizontal propellers, cameras, lighting lamps, a main control panel and a cable connector are arranged in the aircraft; a signal output end of each camera is correspondingly connected with asignal input end of the main control panel; a signal output end of the main control panel is respectively connected with control signal input ends of the vertical propeller, the horizontal propellers,the cameras and the lighting lamps; the signal input end and the signal output end of the main control panel are connected with the cable connector; and the two ends of the cable are respectively connected with the cable connector and the controller. The method comprises the steps of initializing, acquiring real-time images, carrying out fault diagnosis and image capture, processing the images, carrying out feature extraction, deciding fault categories, storing and displaying results. The device and method for detecting the inside of the small-diameter high-pressure water filling pipeline have the advantages of compact structure, flexible motion, easy control and high identification.

The invention belongs to the field of molecular markers and detection thereof, and particularly relates to a core SNP locus and primer combination for identifying the germplasm resource authenticity of cucumis melo, an SNP locus-based DNA fingerprint database and database construction method, and an SNP locus-based cucumis melo germplasm resource authenticity identification method and application,wherein SNP loci are selected from any one to 32 of the first SNP locus to the thirty-two SNP locus. A DNA fingerprint database for identifying the germplasm resource authenticity of the cucumis melobased on high-throughput sequencing is established in the invention. The method provided by the invention not only can be used for identifying unknown cucumis melo germplasm resources, but also can be used for identifying the authenticity of known cucumis melo germplasm resources. The method provided by the invention has the advantages of high flux, accuracy, low cost, simplicity in operation, manpower and material resource saving and the like, and has a very wide application prospect.

The invention discloses a method for detecting nitrofuran antibiotics or quinolone antibiotics in drinking water, and relates to methods for detecting the antibiotics in the drinking water. An existing lanthanide series metal-organic framework has instability of dependence on excitation wavelength; and an existing antibiotic measuring method has the problems that a professional instrument is needed, the pretreatment is tedious, and the operation cost is high. The detection method comprises the following steps of 1, preparing Tb-dcpcpt crystals; 2, preparing an RhB@Tb-dcpcpt composite material;3, preparing an RhB@Tb-dcpcpt dispersion liquid; and 4, carrying out fluorescence detection. The method is used for detecting the nitrofuran antibiotics or the quinolone antibiotics in the drinking water.

The invention discloses an active sonar identity reorganization method based on a watermark. The active sonar identity reorganization method based on the watermark is different from existing active sonar identity reorganization methods which are achieved through the inherent features of active sonar detection signals. According to the active sonar identity reorganization method based on the watermark, the digital watermark is embedded into a detection signal sent by active sonar by a sender, and a receiver recognizes the identity of the signal by detecting whether the received signal contains watermark information; specifically, part of DCT coefficients in an original signal are modified by generating a watermark sequence at the sending end, whether the watermark is contained is determined at the receiving end by calculating the relevance between a watermark template and the received signal, and thus the identity of the sonar signal is recognized. Compared with existing methods, the active sonar identity reorganization method based on the watermark has the advantages of being more flexible, higher in controllability and better in reorganization effect.

The invention relates to a pedestrian re-identification method based on kernelization features and random subspace integration. The method comprises the following steps that: S1, the training sample set and test sample set of pedestrian images are obtained, and the kernelization function between of the two sample sets is determined; S2, the original features of the two sample sets are transformed into kernelization features; S3, a plurality of subspaces are randomly selected from the kernelization feature space of the training sample set, the covariance matrixes and the inverse matrixes thereof of the kernelization feature difference values of different pedestrian image pairs and identical pedestrian image pairs are calculated, the distribution function of the kernelization feature difference values of the image pairs is obtained; S4, the probability of a sample pair being the same pedestrian and the probability of a sample pair being different pedestrians under each subspace are calculated, the ratio of the two probabilities is adopted as the distance between the samples; and S5, the distances are integrated, so that final distances between each sample pair are obtained. Compared with the prior art, the method of the invention has the advantages of excellent pedestrian re-identification ability, suitability for a variety of different features and high robustness.

The invention relates to a method for whole monitoring of radix bupleuri oral liquid quality. The method comprises the steps of firstly, constructing a fingerprint spectrum of a radix bupleuri medicinal material, intermediate extract and a finished radix bupleuri oral liquid product; secondly, detecting the fingerprint spectrum of the radix bupleuri medicinal material, the intermediate extract and the finished radix bupleuri oral liquid product; and thirdly, comparing the fingerprint spectrum of the radix bupleuri medicinal material, the intermediate extract and the finished radix bupleuri oral liquid product to a standard fingerprint spectrum; producing by taking the radix bupleuri medicinal material with integral similarity consistent with requirement as a raw material, turning to a next process when integral similarity of the fingerprint spectrum of the intermediate extract and the standard fingerprint spectrum is consistent with requirement, and delivering the finished radix bupleuri oral liquid product where integral similarity of the fingerprint spectrum therein and the standard fingerprint spectrum is consistent with requirement out of factory. The method can monitor quality from the medicinal material to the intermediate extract and to the finished product, so that the production process is easier to control, and more scientific and reasonable to regulate; and quality of the finished product is stable and consistent.