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55results about How to "Strong uniqueness" patented technology

Commodity double-layer anti-fake method based on technologies of internet of things

InactiveCN103093361ANot easy to copyDouble encryptionTransmissionCommerceBarcodeThe Internet
Provided is a commodity double-layer anti-fake method based on technologies of internet of things. The commodity double-layer anti-fake method based on the technologies of the internet of things comprises a plain code layer, a code layer, a mobile terminal, a server and a database. The plain code layer only contains inquiry codes which are used for inquiry of commodity information. A user obtains an inquiry code through the mobile terminal, and the inquiry code is automatically sent to the server. The server obtains a commodity information code through a decipherment algorithm, inquires corresponding commodity information from the database, and then sends the commodity information back to the mobile terminal. The code layer only contains verification codes which are used for verification of authenticity of a commodity, wherein a verification code and a corresponding inquiry code are a pair of rule codes which are bound in a one-to-one correspondence mode. The user obtains the verification code through the mobile terminal which is provided with identification software of two-dimension codes, bar codes or digital codes, and the verification code is automaticlly sent to the server. The server matches the verification code and the inquiry code, and sends a matching result back to the mobile terminal. The commodity double-layer anti-fake method based on the technologies of the internet of things has the advantages of being good in anti-fake performance, providing convenience, and being high in encryption performance, rapid, not prone to being forged, and beneficial for protecting rights and interests of consumers and enterprises.
Owner:HUNAN IOT ONLINE TECH

Method and apparatus for verifying authenticity of electronic archives

The invention discloses a method and apparatus for verifying the authenticity of electronic archives for solving the problems that the method for verifying the authenticity of electronic archives in the prior art is relatively simple, the security is relatively low, and that the accuracy of the verification results cannot be ensured effectively. The method for verifying the authenticity of electronic archives comprises the following steps: obtaining a to-be-verified electronic archive and metadata of the to-be-verified electronic archive; generating a digital digest of the to-be-verified electronic archive; extracting core metadata of the to-be-verified electronic archive; obtaining an identity card of the electronic archive, analyzing the identity card of the electronic archive, and extracting an identity card serial number of the electronic archive, a public key certificate of a receiving unit receiving the electronic archive and a signature value from the analysis result; and based on the public key certificate of the receiving unit, the signature value, the digital digest of the to-be-verified electronic archive and the core metadata of the to-be-verified electronic archive, performing digital signature verification by using an asymmetric algorithm to determine the authenticity of the to-be-verified electronic archive.
Owner:北京市档案局 +1

Circular loop statistic characteristic-based anti-rotation image Hash method

The invention relates to a circular loop statistic characteristic-based anti-rotation image Hash method, which comprises the following steps of: normalizing the size of an image size by using a bilinear interpolation method; processing the image by using a Gaussian low-pass filter; if the image is a color image, converting the image into a YCbCr color space, and representing the color image by using a brightness component; dividing the image into a plurality of circular loops, and extracting statistical data such as an average value, variance, skewness degree and kurtosis of each circular ring as characteristics; normalizing the statistical characteristics; calculating an average value of the statistical data, taking the average value as a reference, calculating Euclidean distances between the statistical characteristics of the circular loops and reference characteristics, and connecting all distance values in series to obtain an image Hah; and when similarity is judged, calculating L2 norms of two Hashes, determining that corresponding images are the same if the similarity is less than a set threshold value, otherwise determining that the corresponding images are different. The method is robust for common digital processing such as image rotation, joint photographic experts group (JPEG) compression, noise jamming, brightness regulation and contrast enhancement, and is high in uniqueness.
Owner:GUANGXI NORMAL UNIV

Method for constructing fingerprint spectrums of natural Apis cerana longan honey and natural A.mellifera ligustica longan honey and identification and application of fingerprint spectrums ofnatural Apis cerana longan honey and natural A.mellifera ligustica longan honey

ActiveCN109470785AFix the problem of indistinguishableHigh detection sensitivityComponent separationApis ceranaSocial benefits
The invention discloses a method for constructingfingerprint spectrums of natural Apis cerana longan honey and natural A.mellifera ligustica longan honey and identification and application of the fingerprint spectrums of the natural Apis cerana longan honey and the natural A.mellifera ligustica longan honey. A headspace solid-phase microextraction-gas chromatography-mass spectrometry method and aChinese herbal fingerprint spectrum similarity evaluation system are used to respectively construct GC / MS fingerprint spectrums of the natural Apis cerana longan honey and the natural A.mellifera ligustica longan honey; the GC / MS fingerprint spectrum of the natural Apis cerana longan honey is determined to contain 16 common feature volatile ingredients, and the GC / MS fingerprint spectrum of thenatural A.mellifera ligustica longan honey contains 15 common feature volatile ingredients. By comparing the similarity and the difference of the chemical composition of a total ion chromatogram of a to-be-tested natural longan honey sample and the constructed GC / MS fingerprint spectrum, the natural Apis cerana longan honey and the natural A.mellifera ligustica longan honey are accurately distinguished and identified. The method has the characteristics of small use level of samples, strong characteristics and reliable result, is quite beneficial for solving the problem that the Apis cerana longanhoney and the A.mellifera ligustica longan honey are difficult to distinguish on the market, and has a quite remarkable social benefit.
Owner:INST OF ZOOLOGY GUANGDONG ACAD OF SCI

Parasite egg image registration method

The invention discloses a parasite egg image registration method, and relates to parasite egg image registration. The parasite egg image registration method comprises a Harris corner point algorithm and an image registration process, and further comprises the following steps: S1, sampling parasite eggs for multiple times, specifically, setting a registration image set of a source image set; S2, carrying out the same preprocessing of the source image and the registered image, carrying out the preliminary image rotation, translation and scale transformation through the basic statistical features, and removing the redundant noise; S3, performing Harris corner detection on the source image and the registration image by using a Harris corner algorithm, and recording corner coordinates; S4, setting a registration area; S5, calculating a correlation coefficient of a registration area of the source image and the registration image; S6, judging the matching degree of the source image and the registration image by using the correlation coefficient; and S7, entering an image registration process. According to the invention, the identification accuracy of parasitic ova is improved by using animage registration method; and the parasite egg image registration method has good feature invariance, uniqueness, stability and independence.
Owner:邵曦

Pharmaceutical composition for improving climacteric symptoms and preparation method of pharmaceutical composition

The invention discloses a pharmaceutical composition for improving climacteric symptoms. The pharmaceutical composition comprises the following materials in parts by weight: 12-20 parts of glossy privet fruits, 12-20 parts of eclipta, 8-15 parts of rhizoma cyperi, 4-10 parts of lilies, 14-25 parts of oysters, 12-20 parts of spina date seeds, 4-14 parts of rhizoma anemarrhenae and 0.1-2.5 parts of oviductus ranae. The preparation method of the pharmaceutical composition comprises the following steps of: extracting and concentrating the glossy privet fruits, the eclipta and the rhizoma cyperi by alcohol to obtain thick extract A; water-extracting and concentrating the lilies, the oysters and the rhizoma anemarrhenae to obtain thick extract B; mixing the thick extract A with the thick extract B, drying, crushing and sieving to dry extract powder; crushing and sieving the oviductus ranae; and mixing the dry extract powder with the oviductus ranae, adding normal auxiliary materials for preparing an oral solid preparation according to a normal process. The pharmaceutical composition disclosed by the invention has the function of improving the climacteric symptoms, and can be used for preparing healthcare food, common food or drugs.
Owner:BEIJING ZHONGYAN TONGRENTANG CHINESE MEDICINE R & D

A resistor divider type dac-puf circuit

The present invention discloses a resistance voltage divider type DAC-PUF circuit which comprises an input register, a bias voltage generation circuit, a voltage comparator, and a time sequence controller. The bias voltage generation circuit comprises a two resistance voltage divider type DACs with the same structure. Each of the resistance voltage divider type DACs comprises three 2-4 decoded with the same structure, an operational amplifier, and four resistance divider units with the same structure. The resistance divider units comprise 22 NMOS tubes and 17 resistors. The circuit has the advantages that a digital and analog mixing mode is employed, the mismatch of the resistance voltage divider type DAC resistors is used to generate a bias voltage signal, the output key change is realized, in the TSMC-LP 65nm CMOS process, a full customization mode is used to design the circuit layout of the invention, the resistance voltage divider type DAC-PUF circuit is tested, an experimental result shows that the uniqueness of the resistance voltage divider type DAC-PUF circuit is strong, the randomness and reliability in different working environments are larger than 99.1% and 97.8%, and the circuit can be widely applied to the fields of key generation and device authentication.
Owner:NINGBO UNIV

A method for identifying the authenticity of agarwood

The invention discloses a method for identifying authenticity of agilawood. According to the method, a GC / MS fingerprint map of a to-be-detected agilawood sample is established, and if the GC / MS fingerprint map of the to-be-detected agilawood sample is basically consistent with that of natural agilawood and the to-be-detected agilawood sample contains six feature ingredients including (1) benzylacetone, (2) p-methoxybenzylacetone, (3) agarofuran, (4) agarospirol, (5) hinesol and (6) baimuxinal, the to-be-detected agilawood sample is natural agilawood; if the GC / MS fingerprint map of the to-be-detected agilawood sample has a bigger difference with that of the natural agilawood and the to-be-detected agilawood sample only contains part of the six feature ingredients or doesn't contain the six feature ingredients, the to-be-detected agilawood sample is fake agilawood. The provided method has the characteristics of small dosage of samples, simplicity, convenience and rapidness in operation, remarkable characteristics and accurate and reliable result and is suitable for identifying the authenticity of agilawood without damaging the overall structure of an agilawood storage product, and the method can be used for identifying the authenticity of the agilawood and agilawood artware.
Owner:INSTITUTE OF ANALYSIS GUANGDONG ACADEMY OF SCIENCES (CHINA NATIONAL ANALYTICAL CENTER GUANGZHOU)

Sealing anti-damage system in article transportation process

The invention discloses a storage anti-damage system in an article transportation process, which comprises a detection host, a conductive detection line used for packaging an article is connected to the detection host, and two ends of the detection line are respectively connected with the detection host in a locking manner; the detection host comprises a control module, a detection port of the control module is connected with a first link, a first capacitor and a first voltage-regulator tube are connected in parallel on the first link, a second voltage-regulator tube is connected between the first capacitor and the first voltage-regulator tube and between the first link, a cut-off end of the second voltage-regulator tube is connected with the first link, and a cut-off end of the second voltage-regulator tube is connected with the second link. The conducting end of the second voltage-regulator tube is grounded; the first link is conductively connected with the detection line; wherein an identity communication module and a second capacitor are integrated on the detection line, and the second capacitor is connected in parallel with a power supply port of the identity communication unit. Independent work of the marking body effectively guarantees independence and safety of a blocked object, the marking body and the monitoring body work independently, and safety of the whole product is effectively improved.
Owner:河北重优科技有限公司

Digital watermark data tracing method based on attribute importance index

The invention discloses a digital watermark data tracing method based on an attribute importance index, and the method specifically comprises the following steps: 1, summarizing original data to be distributed, and extracting a prediction attribute and a class label attribute of each piece of original data to form a data table; 2, creating a watermark index table according to a data receiver of the original data, and generating a key KEY; 3, forming a non-important attribute set attr; 4, embedding a watermark to obtain a data set containing the watermark; 5, distributing the data set containing the watermark according to the information of the data receivers in the watermark index table, and collecting suspected leakage data which is completely or partially leaked in the distribution process or after distribution to form a suspected leakage data set; 6, extracting all sub-watermarks in each piece of data in the suspected leakage data set, and connecting the sub-watermarks with complete watermarks; and 7, extracting the complete watermark, and finding out a corresponding data receiver through the watermark index table, namely an individual with leaked data, so as to complete data leakage traceability.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD MARKETING SERVICE CENT +1

A construction method and identification application of fingerprints of natural Chinese bee lychee honey and natural Italian bee lychee honey

ActiveCN109470779BFix the problem of indistinguishableHigh detection sensitivityComponent separationChemical compositionHoney samples
The invention discloses a method for constructing fingerprints of natural Chinese bee lychee honey and natural Italian bee lychee honey and its identification application. The present invention obtains the GC / MS fingerprints of natural Chinese bee lychee honey and natural Italian bee lychee honey by adopting the method of headspace solid-phase microextraction-gas chromatography-mass spectrometry and the similarity evaluation system of traditional Chinese medicine fingerprints; The GC / MS fingerprint of lychee honey from Zhongfeng contains 19 common characteristic volatile components, and the GC / MS fingerprint of natural Italian lychee honey contains 16 common characteristic volatile components. By comparing the similarity and chemical composition difference between the total ion chromatogram of the tested natural lychee honey sample and the constructed GC / MS fingerprint, the natural Chinese bee lychee honey and natural Italian bee lychee honey can be accurately distinguished. The method of the invention has the characteristics of small amount of samples, strong characteristics and reliable results, is very beneficial to solving the problem that the lichee honey of Chinese Italian bee is difficult to distinguish in the current market, and has very obvious social benefits.
Owner:INST OF ZOOLOGY GUANGDONG ACAD OF SCI
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