373results about How to "Improve uniqueness" patented technology

Methods and compositions for digital profiling of nucleic acid sequences present in a sample are provided.

The invention discloses a coding method for mixing barcodes and two-dimensional codes, which comprises the following steps: (1) generating barcode images through barcode algorithms through barcode data; Encrypting as a key to obtain two-dimensional code generation information; (3) generating a two-dimensional code image by using the two-dimensional code generation information obtained in step (2) through a two-dimensional code generation algorithm. The invention also discloses a decoding method and an encoding and decoding device of the encoding method. On the one hand, the present invention can use naked eyes to identify products, certificates or bills through the barcode, and on the other hand, the two-dimensional code reading device of the present invention can be used to read the information hidden in the two-dimensional code, ensuring the integrity of the two-dimensional code Safety, security and confidentiality, and enable the two-dimensional code to carry hidden information, strengthen the anti-counterfeiting and uniqueness of the two-dimensional code, and open up a new application field of the two-dimensional code as a data label.

The invention discloses a bidirectional identity authentication method based on dynamic password and biologic features under cloud environment, wherein a plurality of authentication methods and encryption technologies are comprehensively used, a one-time random key is obtained by receiving messages, the bidirectional authentication is realized, a user can login anywhere, finish registration process on net, and has no need to register information at designated location. According to the bidirectional identity authentication method based on dynamic password and biologic features under cloud environment, the one-time dynamic password is combined with the biological features, secret key is transmitted to GSM (Global System for Mobile Communication), and accordingly, security and reliability of authentication process are enhanced.

A symmetrical safety light for wheeled vehicles is turned on by relative rotation of a removable plug in a housing that pushes a battery in the housing against the resistance of a spring. The light is turned off by relative rotation of the components in the opposite direction, which allows the spring to push the battery out of contact with a conductor from the light.

Venous reservoirs are interposed between the patient and the arterial pump and serve to remove air bubbles and provide compliance that accommodates variations in the volume of blood circulating in the extracorporeal circuit during cardiopulmonary bypass (CPB). The invention is a reservoir that incorporates automated means to remove air bubbles from the venous line prior to the blood entering the arterial blood pump. In another form, the reservoir includes means that handles foam prior to the blood entering the blood pump. In yet another form, the invention is means that improve air removal in a soft shell venous reservoir. These features are applicable to CPB circuits using gravity drainage or vacuum assisted venous drainage.

An electronic device is disclosed herein and includes a multi-functional power button and a processor, where the multi-functional power button includes a power switch and a fingerprint recognition module. The fingerprint recognition module is combined on the power switch, and the processor is coupled to the multi-functional power button. The fingerprint recognition module is configured to extract a fingerprint feature information. The processor is configured to determine whether the multi-functional power button is pressed or touched to respectively cause the power switch to generate a switching signal or cause the fingerprint recognition module to extract the fingerprint feature information.

The invention discloses a human body identity identification instrument based on an eyeground retinal vessel. The identification instrument is characterized in that a single hand-hold handle digital camera with a particular diopter camera lens collects an eyeground retinal vessel image, C language, MATLAB (matrix laboratory), gauss filtration and the like are used for carrying out identification pretreatment on the eyeground retinal vessel image and the characteristics of the eyeground retinal vessel are extracted, thereby obtaining part sectional image data and a retinal vessel characteristic node axis picture; and an internet and a retina characteristic data base of a server terminal are linked, and automotive comparation and analysis can be performed, thereby judging the identity of a person, and realizing the high accuracy and high anti-falsification property of human body identity identification. The human body identity identification instrument provided by the invention has the advantages of simple structure and convenience in carrying, and is particularly suitable for the fields such as frontier inspection, criminal investigation, forensic testimony, medical service and the like.

The invention discloses a network token generation method and device, terminal equipment and a storage medium, and relates to the field of the network security authentication. The network token generation method comprises the following steps: acquiring a login request sent by a client, wherein the login request comprises a terminal ID and a token effectiveness, the token effectiveness comprises any one of an initial value, effectiveness and ineffectiveness; if the token effectiveness is the initial value or ineffectiveness, performing identity authentication based on user sensitive data in thelogin request; generating load data if the identity authentication is passed; generating the network token with a token rule based on the load data and the user sensitive data, setting the effectiveness of the token as effective. Through the network token generation method disclosed by the invention, the security of the user sensitive data in the transmission process is guaranteed when the authenticity and the uniqueness of the user identity are enhanced.

The present invention relates to a semiconductor device, a unique ID of the semiconductor device and a method for verifying the unique ID. Thus, original data (bit string) having 127-bit length [126:0] is inputted at step S1. Then, it is determined whether the number of bits of “1” in the bit string [126:0] inputted at the step S1 is more than the half of the bits of the bit string (that is, not less than 64) or not at step S2. When the number is not less than 64, the process proceeds to step S3. At the step S3, the bit string [126:0] is inverted and an invert bit [127] is set to “1”. Then, the process proceeds to step S5. At the step S5, the fuse corresponding to the bit string [126:0] and the bit [127] are cut by LT.

Provided are a method and apparatus for creating and applying a secure file identifier of a rights object by using random numbers. The apparatus includes a secure-file-identifier generating unit which creates the secure file identifier by generating a random number and combining the random number with a hash value corresponding to a rights object identifier of the file identifier list; a transmitting unit which transmits the secure file identifier to the storage device; and a receiving unit which receives a secure file identifier list for identifying the rights object from a storage device.

The invention discloses a method for solid-phase synthesis of a DNA-coded compound database. The method comprises the following steps: a, reacting a solid-phase carrier G-1 with a junctional molecule L-1 so as to prepare L-G-1; b, reacting DNA with a junctional molecule L-0 so as to prepare L-2; c, reacting L-G-1 with L-2 to prepare L-G-2; d, removing the protective group of L-G-2 so as to obtain L-G-2-1; e, reacting L-G-2-1 with a synthesized building block and carrying out DNA coding; and f, cutting off a solid-phase carrier so as to obtain the DNA-coded compound database. Compared with the prior art, the method has the advantage that aftertreatment purification of a reaction can be completed through simple filtering and washing operations a plurality of times; operation is simple; a production period for synthesis of the DNA-coded compound database is reduced by 50% or above, production efficiency and uniqueness of the DNA-coded compound database can be substantially improved, and the purity of the final products is greatly enhanced; and the method has high economic value and is suitable for industrial application.

The invention provides a face part identification method and device. The method comprises: obtaining a depth image; extracting image pixel characteristics in the depth image; inputting the image pixel characteristics into a face deep learning model to perform identification and classification; determining whether the classification of the image pixel characteristics matches existing face part labels in the face deep learning model; and if the classification of the image pixel characteristics matches existing face part labels in the face deep learning model, outputting the labels corresponding to the image pixel characteristics. According to the invention, a depth image characteristic extraction method is employed to guarantee extraction accuracy, and a deep learning model is employed to identify image pixel characteristics, and is capable of performing identification and classification on a plurality of face parts once.

The invention discloses a method for measuring a three-dimensional shape. The method comprises the steps that M first phase-shift images and N first two-value random speckle images are periodically projected to an object to be measured, wherein N first two-value random speckle images in the current period are different and also different from N first two-value random speckle images in the last period; M pairs of corresponding second phase-shift images and N pairs of corresponding second two-value random speckle images are obtained by periodically collecting the images; according to M pairs ofsecond phase-shift images in the current period, a wrapping phase position is calculated and obtained; according to N pairs of second two-value random speckle images in the last period and N pairs ofsecond two-value random speckle images in the current period, in combination with the wrapping phase position, disparity map calculation is conducted, and then the three-dimensional shape of the object to be measured is restored according to a disparity map. In addition, the invention further discloses a system for measuring the three-dimensional shape. According to the method and system, the precision and efficiency for measuring the three-dimensional shape of the object to be measured can be effectively improved.

The invention discloses a multifunctional two-dimensional code product traceability system and a traceability method. The multifunctional two-dimensional code product traceability system comprises a product information base, a two-dimensional code decoding module, a two-dimensional code generating module and an information receiving and sending platform. The product information base is used for recording product information, traceability codes, operating records and operating time; the two-dimensional code decoding module is used for decoding two-dimensional code images; the two-dimensional code generating module is used for generating the two-dimensional code images and the traceability codes; and the information receiving and sending platform is used for sending or receiving the two-dimensional code images, the product information and the traceability codes. The information receiving and sending platform is any one of a plurality of existing instant messaging platforms. The multifunctional two-dimensional code product traceability system can be also used for processing the two-dimensional code images and the product information in batches and providing an anti-counterfeiting function of a two-dimensional code in product traceability. By the adoption of the multifunctional two-dimensional code product traceability system and the traceability method, the defect that the two-dimensional code obtaining and querying mode is single in the prior art is overcome, the two-dimensional code images and the product information are processed in batches, the product information can be fast inquired and obtained, and the communication cost of two-dimensional code inquiry and the like of a consumer is reduced.

The invention provides a prediction and correction method of nodes of a star point track image, and the method comprises the following steps of: (1) the prediction and the imaging of a star point dynamic track with nodes; (2) the judgment of the nodes and the selection of a template; (3) the correction. The prediction and correction method of nodes of a star point track image of the invention performs a selective judgment and a position correction with pronounced features to the nodes on a star point trajectory, ensures the prominence and the position precision of the template at the node, consequently ensures the processing precision of a deep-space star point track image, and facilitates the improvement of the matching precision of the next step.

The invention discloses a horizontal-casting sectional demonstration experimental device. The horizontal-casting sectional demonstration experimental device comprises an upper vertical plate, a lower vertical plate, high-low extensible rods connecting the upper vertical plate with the lower vertical plate, a horizontal-casting motion guide rail, a horizontal motion guide rail, a base, a photoelectric sensor device, an electromagnetic coil device, a display screen control panel, a horizontal motion positioning sensor, a horizontal-casting motion positioning sensor and a vertical motion positioning sensor. Through line electric treatment and a displacement sensor, respective motion time and corresponding displacement (in the height and horizontal direction) of horizontal-casting motion, horizontal motion and vertical motion can be fed back to and displayed on the display screen control panel at any time; all displacement data can be directly read from corresponding areas of the experimental device; actual process demonstrative experiments and live-action exploration operations (true image visualization of experiments) can be optionally performed on the three motion respectively by the experimental device, corresponding digitalization can be performed instantly or at any time for accurate measurement, and an experimental method and the experimental device for exploring and analyzing horizontal casting are provided through sufficient integration.

The invention relates to an identity recognition method based on palm characteristic extraction and belongs to a method for realizing the identity recognition through extracting palm BIS (bioimpedance spectrum) characteristics. The method realizes the identity recognition through extracting the palm BIS characteristics, the recognition rate is high, the reliability is good, the operation is simple, and the use is convenient. Experiments prove that the palm BIS characteristics have high stability and uniqueness of biological characteristic potential and conform to the biological characteristic recognition requirement, the identity recognition method belongs to an efficient identity recognition and authentication technology, and the attach such as forging can be effectively resisted. Because the palm BIS characteristics have the characteristics of uniqueness, universality, stability, collectability and the like, so the identity recognition method has important theoretical and practical values in the field of identity recognition and has wide application prospects.