51results about How to "Does not affect recognition" patented technology

The invention belongs to the technical field of confrontation sample defense. The invention discloses an adversarial sample defense method and system based on VAE-GAN. A variational automatic encoderVAE and a generative adversarial network GAN are used to denoise an adversarial sample, the VAE is used as a preprocessing model of a classifier to denoise the adversarial sample, and the GAN is usedto assist training of the VAE, so that an image result output by the VAE is closer to an original noiseless image. The adversarial sample defense method based on VAE-GAN provided by the invention belongs to input preprocessing, and learning migration can be carried out among different classification models; the original classification network does not need to be retrained, and the training cost islow; the classification precision of the original noiseless sample is hardly influenced; an adversarial sample is not needed, so that an external training adversarial sample is not needed; the defense effect on adversarial samples with low noise is also very good; the preprocessing speed is high, and the output image quality is close to that of an original noiseless image.

The invention provides a stamp managing machine, which is provided with a casing, wherein the interior of the casing is provided with a support assembly and a controller, the support assembly is provided with more than two stamp assemblies, the support assembly is provided with a rotary disc, a first driving assembly, a code disc and a photoelectric sensor, the first driving assembly is used for driving the rotary disc to rotate, the stamp assemblies are arranged on the rotary disc, the code disc is positioned above the rotary disc and is synchronously rotated with the rotary disc, the periphery of the code disc is provided with more than two notches, and the photoelectric sensor is positioned at the outer side of the periphery of the code disc and is used for detecting the notches. The stamp managing machine has the advantages that the stamps can be effectively managed, the efficient and accurate stamping operation is realized, and the working process of selecting the stamps and stamping is smooth.

The invention provides a pressure touch sensor, a display device and a drive method for the same and relates to the technical field of display, wherein wrong recognition of pressure sensing can be prevented when the display device is bent. The pressure touch sensor comprises a drive electrode, a sensing electrode as well as a piezoelectric material layer and a piezo-resistance material layers disposed between the drive electrode and the sensing electrode.

The invention provides a password safety system (3000). The password safety system comprises a server (300) and a terminal (500), wherein the terminal (500) is used for receiving password information and images input by a user, processing the images, integrating the password information into the data of the images in a mode that the use of the images is not influenced, and returning the processed images; and the server (300) is used for receiving the processed images input by the user, processing the processed images input by the user, extracting the password information which is integrated into the processed images input by the user in the mode that the use of the images is not influenced, and returning the extracted password information. The invention also provides a password safety method.

The present invention discloses a novel mitochondrial genome editing tool, and belongs to the field of genome engineering. According to the prevent invention, the constructed mtCRISPR / Cas9 system mainly comprises two parts such as gRNA entering mitochondria and Cas9 nuclease localized in mitochondria, wherein the constructed mt-gRNA has two forms, the one mt-gRNA comprises a RNA mitochondrial localizing guide sequence, a targeting sequence and a gRNA skeleton sequence, the other mt-gRNA comprises a RNA mitochondrial localizing guide sequence, any one tRNA sequence encoded by mitochondrial or other additional spacer sequences, a targeting sequence and a gRNA skeleton sequence, the obtained combined material acts on the mitochondrial genome to break the target sequence in a targeted manner after the mt-gRNA and the mtCas9 nuclease are combined, and the action efficiency of the second mt-gRNA action is high than the action efficiency of the mt-gRNA; and the results verify that the constructed mtCRISPR / Cas9 system has characteristics of high efficiency and strong specificity.

An electronic identity recognition method for engineering machinery adopts an electronic identity recognition mode, requires a wireless data transmission system, and is characterized in that an electronic identity recognition device is mounted on each engineering machine, an electronic ID (identity) number which is different from electronic ID numbers of other electronic identity recognition devices is stored in the electronic identity recognition device of each engineering machine in advance and has a fixed CAN (controller area network)-BUS node address, the electronic ID numbers are provided for other control devices and a wireless data transmission device via a CAN-BUS, each electronic ID number and self working state data are packaged together after various controllers obtain the electronic ID number, the packaged data are transmitted back to an information center server via the wireless data transmission device, and the information center server can recognize the machines corresponding to the data packages according to the electronic ID numbers in the data packages after receiving remote information. By the aid of the method, uniqueness of data sources is ensured, maintenance service management difficulty is reduced, the automation degree of production and service is improved, and the electronic identity recognition method for the engineering machinery can be used for all engineering mechanical products.

The invention discloses benzothiadiazole malononitrile and a synthesis method thereof, and a method for detecting CN<->. Benzothiadiazole malononitrile is shown as the following formula: the formula is shown in the description. The method for synthesizing benzothiadiazole malononitrile comprises the following steps: 1) synthesis of an intermediate TPA-BTD-Br; (2) synthesis of an intermediate TPA-BTD-CHO; (3) synthesis of benzothiadiazole malononitrile TPA-BTD-BT. The method of fluorescence detection of CN<-> using benzothiadiazole malononitrile comprises the following steps: (1) adding benzothiadiazole malononitrile TPA-BTD-BT to tetrahydrofuran THF as a solvent, and preparing a benzothiadiazole malononitrile TPA- BTD-BT tetrahydrofuran THF solution; (2) adding a sample to be tested into the benzothiadiazole malononitrile TPA- BTD-BT tetrahydrofuran THF solution; (3) identifying, by visual observation, UV-visible absorption spectroscopy or fluorescence spectroscopy, whether the sampleto be tested contains CN<->. By the method for detecting CN<->, a CN<-> turn-on type fluorescence sensor with high selectivity and strong anti-interference ability is successfully constructed.

The invention discloses a high-molecular material containing cholic acid and a drug-loaded nanoparticle modified by the same. The material has a structural formula as represented by formula III, and n in the formula is equal to 25 to 40. Monomers of the material are obtained by reacting hydroxy groups at C3 position of cholic acid methylester with 4-vinylbenzyl chloride and are initiated by an initiator so as to obtain a polymer precursor; ester groups at C24 position of the polymer precursor are hydrolyzed and turn into carboxyl groups so as to obtain the material in the invention. The material has amphipathy and is capable of assembling and of modifying the surface of the nanoparticles in the process of preparing the nanoparticles by using the method of emulsification-solvent evaporation. The molecular structure of cholic acid in the material can specifically bind to bile acid transporters on the surface of parenchymal hepatic cells; under the mediation of the bile acid transporters, the nanoparticles are absorbed by the parenchymal hepatic cells, and therefore, a drug is targetedly delivered to the parenchymal hepatic cells. Thus, the material provided in the invention can be used as an ideal surface modification material for development of a liver-targeting nanometer drug loading system.

The invention provides a password hidden method (100). The password hidden method (100) comprises the following steps: receiving password information inputted by a user and an image (S110); processing the image, and integrating the password information to data (S120) of the image in a method that the using method of the image is not influenced; and returning an image (S130) after the image is processed. The invention further provides a password retrieval method (200), a password hidden device (1000) and a password retrieval device (2000).

The invention provides a polymer material, which is represented by the formula I and contains cholic acid, and a preparation method thereof. The invention further provides a liposome, which takes phosphatide and cholesterol as the carriers and is modified by the polymer material represented by the formula I. Drugs are coated in the phosphatide bi-molecule layer. The provided liposome has double functions of active targeting and passive targeting; and furthermore, the preparation method is simple and practical and can be applied to massive production. The in-vivo experiment results show that the liposome has a strong targeting performance on livers and thus has a good application prospect.

The invention discloses a disconnection detection device and a disconnection detection method. The disconnection detection device comprises a jack, a baseband chip, a level detection unit and a state detection unit, wherein the jack comprises a DETECT pin; the level detection unit is used for detecting whether an L AUDIO pin of a plug is connected with the DETECT pin, if the L AUDIO pin of the plug is connected with the DETECT pin, the level detection unit generates a trigger signal and transmits the trigger signal to the baseband chip, and the baseband chip starts the state detection unit after receiving the trigger signal; the state detection unit is used for detecting whether an MIC pin of the plug is connected with the DETECT pin, if the MIC pin of the plug is connected with the DETECT pin, the state detection unit generates a state value and transmits the state value to the baseband chip, and the baseband chip receives the state value and judges whether a call flash or an earphone is accessed through the plug based on the state value. The disconnection detection device and the disconnection detection method have the advantages that complexity of hardware circuits and software is reduced, complete machine cost is lowered, anti-shake time does not need to be considered, identification of the plug is not influenced when the plug is inserted rapidly or slowly, identification is accurate, and generality is strong.

The invention discloses an intermediate for synthesizing benzothiadiazole malononitrile, a synthesis method thereof and a method for detecting CN<->. The intermediate for synthesizing the benzothiadiazole malononitrile is shown as a formula (III): FORMULA. The synthesis method of the intermediate shown as the formula (III) comprises the following steps: (1), synthesizing an intermediate TPA-BTD-Br; (2), synthesizing the intermediate TPA-BTD-CHO shown as the formula (III). The method for detecting the CN<-> comprises the following steps: (1), with tetrahydrofuran THF as a solvent, adding benzothiadiazole malononitrile TPA-BTD-BT to obtain a tetrahydrofuran THF solution of the benzothiadiazole malononitrile TPA-BTD-BT; (2), adding a sample to be detected into the tetrahydrofuran THF solutionof the benzothiadiazole malononitrile TPA-BTD-BT; (3) identifying whether the CN<-> exists in the sample to be detected through visual observation, UV-vis absorption spectra or fluorescence spectra.The intermediate shown as the formula (III) can be applied to construction of a fluorescent sensor with turn-on-type high selectivity and strong anti-interference ability to the CN<->.

The invention discloses a video frame transmission method, a video frame transmission system and a server, and the method comprises the steps: enabling a sending end to obtain original video data andreference network information fed back by a receiving end; determining a first code rate and a second code rate according to the reference network information; encoding a to-be-transmitted video framein the original video data according to the first code rate and the second code rate respectively to obtain a first video frame corresponding to the first code rate and a second video frame corresponding to the second code rate; obtaining current network information, and matching the first video frame, the second video frame and the current network information to obtain a matching result; and sending the first video frame or sending the second video frame or not sending the video frame to a receiving end according to the matching result. According to the technical scheme provided by the invention, the video fluency and stability are improved.

The invention relates to the field of artificial intelligence and automatic control and discloses a two-dimensional matrix dot matrix based on a BCD (Binary-Coded Decimal) code for tracing of a wheelhub. The two-dimensional matrix dot matrix based on the code for tracing of the wheel hub comprises a direction code, a check code and a plurality of code text units, wherein the direction code is located at the upper left corner of the two-dimensional matrix dot matrix and is used for representing an identification direction of the code text units; the check code is located at the last bit of thetwo-dimensional matrix dot matrix and is used for detecting the correctness of the code text units or correcting error-reading code text units; the plurality of code text units are sequentially located on remaining positions of the two-dimensional matrix dot matrix and is used for representing tracing information of the wheel hub; and the code text units, the direction code and the check code arein a 2*2 dot matrix structure. The two-dimensional matrix dot matrix for tracing of the wheel hub is simple in structure and high in identifiability; the two-dimensional matrix dot matrix can be increased and decreased, adjusted and deformed according to actual demands and is suitable for engraving and detection demands of the code texts under various complicated conditions, the check code is provided, thus the two-dimensional matrix dot matrix has a certain error prevention and error correction capabilities.

The invention discloses a data communication method and related equipment. The method is applied to either end of communication, and comprises the following steps: acquiring binary data transmitted bythe other end, wherein the binary data are generated by serializing a first file of a general programming language by the other end, and the first file of the general programming language is generated by conversion according to a first communication protocol file which records data to be transmitted and is described by a data description language; and deserializing the binary data through a second file of the general programming language to obtain data generated by deserialization, wherein the second file of the general programming language is generated by conversion according to a second communication protocol described by the data description language, and in the first communication protocol file and the second communication protocol file, modifiers are optional field modifiers, and data types are data types that are not limited in size. Through adoption of the technical scheme provided by the invention, the compatibility between different versions of communication protocols can beenhanced by realizing open description of communication protocols with the aid of the data description language.

The variable-speed printing control algorithm of CIJ inkjet printer disclosed by the present invention includes: first setting the initial printing speed for a piece of printing data, and the initial printing speed can make the printing data clearly printed; If the data with different horizontal resolutions is required, the printing data is divided into the modified speed area and the constant speed area. For the printing data in the modified speed area, by inserting the corresponding printing ink drop between the printing ink drop and the printing ink drop Increase the spacing between printed ink dots by increasing the spacing between printed ink dots by more non-printing ink drops than in the speed constant area to reduce the printing speed in the modified speed area. The invention can effectively reduce the interference between ink dots in the high-resolution printing information and reduce the scattered ink around the information, improve the neatness and aesthetics of the printing content, and realize the best printing effect.

The invention discloses a high-molecular material containing cholic acid and a drug-loaded nanoparticle modified by the same. The material has a structural formula as represented by formula III, and n in the formula is equal to 25 to 40. Monomers of the material are obtained by reacting hydroxy groups at C3 position of cholic acid methylester with 4-vinylbenzyl chloride and are initiated by an initiator so as to obtain a polymer precursor; ester groups at C24 position of the polymer precursor are hydrolyzed and turn into carboxyl groups so as to obtain the material in the invention. The material has amphipathy and is capable of assembling and of modifying the surface of the nanoparticles in the process of preparing the nanoparticles by using the method of emulsification-solvent evaporation. The molecular structure of cholic acid in the material can specifically bind to bile acid transporters on the surface of parenchymal hepatic cells; under the mediation of the bile acid transporters, the nanoparticles are absorbed by the parenchymal hepatic cells, and therefore, a drug is targetedly delivered to the parenchymal hepatic cells. Thus, the material provided in the invention can be used as an ideal surface modification material for development of a liver-targeting nanometer drug loading system.

The protective film applied to the curved-screen mobile phone at least comprises a protective film layer, a functional coating, a composite film layer and a pressure-sensitive adhesive layer, whereinthe protective film layer is the outermost layer of the protective film; the functional coating layer is formed on the inner side of the protective film layer; the composite film layer is positioned on the inner side of the functional coating and is used for providing fitness suitable for the curved screen of the mobile phone; and the pressure-sensitive adhesive layer is positioned on the inner side of the composite film and is used for providing adhesiveness. The protective film disclosed by the invention not only has good fitting performance on a curved screen, but also is beneficial to fingerprint identification under the screen, and the use performance of the mobile phone protective film is greatly improved.

The invention provides a high-polymer material with cholic acid, a method for preparing the high-polymer material and liposome. The high-polymer material is shown as a formula I. Phospholipid and cholesterol are used as carriers for the liposome, the liposome is modified by the high-polymer material shown as the formula I, and medicines are entrapped in bi-molecular layers of the phospholipid. Thehigh-polymer material, the method and the liposome have the advantages that an active targeting effect and a passive targeting effect can be realized by the liposome; the method is simple and practical, amplification production can be facilitated, the high-polymer material and the liposome are high in targeting capacity for livers as shown in in-vivo experiments, and accordingly the high-polymermaterial, the method and the liposome have excellent application prospects.

The invention belongs to the technical field of document recognition, and particularly relates to a table or text line processing method, a bill processing method and device and a storage medium. The method mainly comprises the following steps: acquiring points on two opposite boundaries of a to-be-processed object, and respectively counting the points into a first boundary point set and a second boundary point set; obtaining a first boundary curve according to the first boundary point set, and obtaining a second boundary curve according to the second boundary point set; source control points with the corresponding number are extracted from the first boundary curve and the second boundary curve respectively; aligning the source control points to obtain corresponding target control points; obtaining an interpolation function according to each source control point, the target control point and the minimum energy function; and processing the text line region corresponding to the to-be-processed object by applying the interpolation function. The thin-plate spline interpolation technology is applied to processing of curved text lines or curved tables, and the problem that the correction effect is limited by training samples when a machine learning method is used for correcting curved texts in the prior art is effectively solved.

The invention discloses a durable paper money rolling belt which comprises an upper paper money rolling belt and a lower paper money rolling belt, and comprises photic areas and lightproof areas, wherein one end of the upper paper money rolling belt is twisted on an upper rolling wheel; the other end of the upper paper money rolling belt bypasses an upper reverse wheel, and is fixed on a paper money rolling drum; the photic areas I with certain length are distributed at the two ends of the upper paper money rolling belt, and the lightproof area I is arranged between the two sections of photic areas I; one end of the lower paper money rolling belt is twisted on a lower rolling wheel; the other end of the lower paper money rolling belt bypasses the lower rolling wheel, and is fixed on the paper money rolling drum; the lower paper money rolling belt comprises one section of lightproof area II and one section of photic area II, the length of the section of the lightproof area II is greater than the length of the section of the photic area II, and the lightproof area II is arranged at the end connected with the lower rolling wheel. According to the paper money rolling belt realized through the technological mean, whether the paper money rolling belt is attached with stains or not, sensors can accurately induct the starting position of paper money rolling and the stopping position of paper money rolling, ATM machine failures caused by the paper money rolling belt are obviously reduced, and when the frequently used end of the paper money rolling belt is abraded, the paper money rolling belt can also be used continuously after the two ends are exchanged, so that the service time of the paper money rolling belt is greatly prolonged, and the waste of the paper money rolling belt is also reduced.

The invention belongs to the technical field of optical fiber coloring, and particularly relates to a coloring mold of a strip optical fiber. The mold comprises a frustum cone-like mold body, wherein a fiber passing hole is formed in the mold body. The mold is characterized in that the outer surface of the side face of the mold body outwardly extends to form an ink feeding device; an ink inlet is formed in the center of the ink feeding device and is communicated with the fiber passing hole; the joint of the ink inlet and the fiber passing hole is positioned close to the lower side of the fiber passing hole; the ink inlet and the fiber passing hole are relatively inclined; a frustum cone-like large section is formed on the upper part of the mold body; a sunken groove is formed in the upper part of the mold body; an arc stripe groove is formed from the lower side of the joint of the fiber passing hole and the ink inlet to the bottom of the mold body; the arc stripe groove is communicated with the fiber passing hole, and the outer arc diameter of the arc stripe groove is more than the diameter of the fiber passing hole. The invention further discloses a coloring method. The coloring mold mainly has the beneficial effects that the structure is simple, the manufacture is easy, ink can be saved while identification is not influenced after the coloring mold is used, electricity is saved, the coloring speed is high, the service life of a curing light is long, and the coloring curing degree is high.

The invention discloses a graphic identification code generation method for man-machine identification, belongs to the field of network security testing, and solves the problems that an existing verification code is easily and automatically identified and skipped by a robot trained based on a machine learning technology, and an existing picture confrontation sample generation mode is long in processing time and large in calculation scale. The method comprises the following steps: presetting a picture size, selecting a picture set based on the picture size, inputting the picture set and a classification result of the picture set into an adversarial sample generation system to generate disturbance, and adding the disturbance to a picture frame of the picture set to obtain an initialized picture adversarial sample set; based on the initialized picture confrontation sample set, optimizing interference by using a white-box training model, and generating a final picture confrontation sample, namely a picture interference frame; and adding the picture interference frame added to the to-be-interfered picture, and forming a picture identification code, namely a picture verification code, wherein the size of the to-be-interfered picture is the same as the size of the picture in the picture set. The method is used for generating the interference frame.

The invention relates to an express post address distinguishing method, computer equipment and a storage medium. The express post address distinguishing method comprises the steps: pre-storing at least one express post address; inputting an express address; converting the express address into a standardized address; calculating the similarity between each express post address and an optimized address; and sorting the at least one express post address according to the size sequence of the similarity to generate a predicted target address list. By standardizing and optimizing the express addressfilled by a consumer, the identification of the express address is not influenced even if the express address is not filled completely or is not standard, so that the correct delivery is ensured, thedelivery efficiency is improved, the delivery time is shortened, and the economic loss caused by delivery errors is avoided.

The invention provides a vision-based intelligent table top size detection method and system. The vision-based intelligent table top size detection method comprises the following steps: S1, acquiring a posture of a photographing point of a robot; s2, collecting point cloud data according to a set pose, converting the point cloud data into a robot coordinate system, and combining the point cloud data into a complete point cloud; and S3, carrying out size identification based on the model of the complete point cloud. According to the invention, the cleaning robot can identify angular points of table tops in various hotel rooms; the method can be applied to identification of different types of table tops by simply configuring parameters; according to the method, table tops with uniform room types and different sizes can be quickly copied; the anti-interference capability is strong, and the change of light and texture on the table surface does not influence the identification of the table surface.

The invention relates to a production method of an anti-fake gas bottle collar. The production method is characterized in that the gas bottle collar is enameled and a two-dimensional code is printed on the surface of the enamel, the surface never fades, the service life of the gas bottle collar is more than 50 years, the gas bottle collar has the advantages of acid resistance, alkali resistance, weather fastness, impact resistance, fire protection, and the Moh's hardness being above the level 6.5, and the pattern of the enamel identification code cannot be illegally tampered by other manufactures, and in addition, the information of each gas bottle is recorded in the two-dimensional code to realize exact supervision any time and eliminate potential safety hazards immediately; besides, the anti-fake method is easy to implement and high in anti-fake degree; the two-dimensional code is not easy to fall off; the two-dimensional code is clear and easy to identify, and the identification of the two-dimensional code cannot be affected.

The invention discloses an interrupt detecting device and an interrupt detecting method. The interrupt detecting device comprises a plug hole, a baseband chip, an electrical level detecting unit and a state detecting unit. The plug hole comprises a DETECT pin. The electrical level detecting unit is used to detect whether a LAUDIO pin of the plug pin is connected with the DETECT pin. If the LAUDIO pin is connected with the DETECT pin, a trigger signal is generated by the electrical level detecting unit and transmitted to the baseband chip. When receiving the trigger signal, the baseband chip starts the state detecting unit. The state detecting unit is used to detect whether a MIC pin is connected with the DETECT pin. If the MIC pin is connected with the DETECT pin, a state value is generated by the state detecting unit and transmitted to the baseband chip. The baseband chip receives the state value and judges whether a plug is connected with a cellphone flash or an earphone based on the state value. The interrupt detecting device and the interrupt detecting method have the advantages that stabilization time does need considering and identification of the plug by the interrupt detecting device is not affected by excessively rapid or slow plugging of the plug and the like.

The invention provides a pressure touch sensor, a display device and a driving method thereof, which relate to the field of display technology and can prevent pressure-sensitive misidentification when the display device is bent. The pressure touch sensor includes: a driving electrode, a sensing electrode, and a piezoelectric material layer and a piezoresistive material layer arranged between them.

The present invention discloses a video frame transmission method, system and server, wherein the video frame transmission method includes: the sending end obtains the original video data and the reference network information fed back by the receiving end; and the first code is determined according to the reference network information rate and a second bit rate; encode the video frames to be transmitted in the original video data according to the first bit rate and the second bit rate respectively, to obtain the first video frame corresponding to the first bit rate and the first video frame corresponding to the first bit rate A second video frame corresponding to the second code rate; obtaining current network information, matching the first video frame and the second video frame with the current network information to obtain a matching result; sending the matching result to the The receiving end sends the first video frame or sends the second video frame or does not send a video frame. The technical scheme provided by the invention improves the fluency and stability of video.