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65results about How to "Increase aggressiveness" patented technology

Electric power data acquisition terminal with encryption function and method

The invention relates to the technical field of electric power data acquisition with an encryption function, and discloses an electric power data acquisition terminal with an encryption function and a method. By combining the environment data and the equipment state, the encryption process enhances the security and adaptability of data encryption. Environment and equipment data input ensures that encryption results are different, and potential safety hazards caused by static data sources are avoided. The data are reasonably combined through a seed generation formula, it is ensured that the seeds have enough randomness, and the brute force cracking risk is reduced. The key generation strategy generates a unique key through a seed, so that the attack resistance of the system is improved. The key matrix and random number generation strategy improves the unpredictability of the encryption algorithm. And dynamically updating the encryption matrix to prevent the encryption matrix from being cracked in long-term use. In the whole process, comprehensive protection of the data in acquisition, encryption and transmission is ensured, and the data is effectively prevented from being tampered or stolen.
Owner:BEIJING YIMEI SIFANG SOFTWARE TECH CO LTD

Image-to-video cross-modal adversarial sample generation method based on key frame identification

The invention discloses an image-to-video cross-modal adversarial sample generation method based on key frame identification. The method comprises the following steps: acquiring a video frame sequence; obtaining a key video clip through a sliding window strategy and the contribution degree of the video clip; selecting a key frame from the key video clip based on an optical flow method; forming a key frame set by all key frames in the key video clip; generating a corresponding confrontation sample for each key frame in the key frame set; and replacing the corresponding key frame in the video frame sequence X with the confrontation sample to obtain a confrontation video sequence of the video frame sequence X. By improving a key frame extraction method and an adversarial disturbance generation technology, the defects that in the prior art, key frame positioning is inaccurate, time sequence information is not fully considered during key frame extraction, and the robustness of a disturbance generation method is poor are effectively overcome, the accuracy and robustness of video adversarial attacks can be remarkably improved, and the robustness of video adversarial attacks is improved. And the requirements in practical application can be better met.
Owner:SHANGHAI CHENGDIAN FUZHI TECH CO LTD

Quantum-attack-resistant national secret IPSec communication system and quantum-attack-resistant national secret IPSec communication method

The invention discloses an anti-quantum-attack national secret IPSec communication system and method, and belongs to the technical field of information security. The national secret IPSec communication system capable of resisting the quantum attack in the scheme comprises a traditional IPSec device, an anti-quantum IPSec device agent and a mixed IPSec device. Traditional IPSec equipment does not support an anti-quantum cryptography algorithm, and hybrid IPSec equipment has a traditional cryptography technology and an anti-quantum cryptography technology at the same time. And the anti-quantum IPSec equipment proxy performs anti-quantum cryptography algorithm transformation on a message sent by the traditional IPSec equipment and then sends the message to the mixed IPSec equipment, and performs anti-quantum cryptography algorithm inverse transformation on a message sent by the mixed IPSec equipment and then sends the message to the traditional IPSec equipment. According to the scheme, the quantum attack resistance of the system is improved in a manner of incrementally deploying the anti-quantum IPSec equipment agent on the IPSec equipment, the transformation period is short, and the transformation cost is low.
Owner:SHENZHEN DONJIN COMM TECH

Hybrid-mode anti-attack method and system based on laser radar point cloud

The invention discloses a mixed mode anti-attack method and system based on a laser radar point cloud. The method comprises the following steps: acquiring an original point cloud; sequentially performing frequency domain transformation, disturbance and inverse transformation processing on the original point cloud to generate a disturbance point cloud; generating an initial antagonistic point cloud based on the disturbance point cloud; optimizing the initial antagonistic point cloud to obtain first antagonistic disturbance, wherein the first antagonistic disturbance comprises the following steps: constructing a target function based on a Hausdorff distance and a chamfering distance between the antagonistic point cloud and the original point cloud; obtaining a first antagonistic disturbance by minimizing the objective function, including: calculating gradient information in the current iteration; the step length is adjusted according to gradient information in the current iteration, the antagonistic disturbance in the next round of iteration is determined, and the first antagonistic disturbance is output after iteration is conducted for the preset number of times; and processing the original point cloud and the first adversarial disturbance based on shape prior guidance to generate an optimal adversarial point cloud so as to carry out adversarial attack. According to the method, the attack resisting effect and robustness are improved.
Owner:BEIHANG UNIV

Adversarial sample generation device and method based on space-frequency fusion

The invention relates to the technical field of adversarial learning, in particular to an adversarial sample generation device and method based on space-frequency fusion, and the method comprises the steps: collecting image data, and building a training data set for adversarial sample generation, including building a target class image training set and a to-be-generated disturbance image training set; performing spatial domain block data enhancement and frequency domain data enhancement on an image in the to-be-generated disturbance image training set to obtain a data enhanced image; processing the data enhancement image by adopting a generator to obtain a disturbance image; based on the images in the target class image training set, a discriminator is adopted to carry out space domain discrimination and frequency domain discrimination on the disturbance images, and space-frequency domain loss is obtained; taking minimization of the space-frequency domain loss as an optimization requirement, and updating network parameters of the generator; obtaining a trained generator until the space-frequency domain loss is smaller than a preset value, and generating an adversarial sample by adopting the trained generator; according to the method, the adversarial sample with better mobility can be generated.
Owner:BEIHANG UNIV

Method for estimating safety state of networked automatic driving vehicle under network attack

The invention provides a method for estimating the safety state of a networked automatic driving vehicle under network attack, relates to the field of automatic driving vehicle safety state estimation, and aims to estimate the safety state of the automatic driving vehicle by fusing the information measured by a target vehicle and the information of other vehicles in a communication range and combining a close degree algorithm. A risk isolation scheme is designed to achieve more accurate state estimation performance. The method comprises the following steps: fusing vehicle data in an Internet of Vehicles area, and establishing a networked automatic driving vehicle model; an iterative clustering algorithm is provided, abnormal behaviors of a vehicle are identified and early warning is carried out, abnormal vehicle data are eliminated, and a state estimation data set is updated; and defining a close degree function and a state estimation weight parameter, and carrying out safety state estimation on the vehicles in the Internet of Vehicles area. According to the invention, abnormal vehicle behaviors in the Internet of Vehicles area can be effectively handled, and the safety and adaptability of vehicle autonomous driving can be improved.
Owner:NORTHEASTERN UNIV CHINA

Adversarial sample generation method and device for face forgery detection model

The invention discloses an adversarial sample generation method and device for a face forgery detection model. The method comprises the following steps: obtaining a real category attention graph and a false category attention graph of an original sample by using a white-box face counterfeiting detection model, fusing the real category attention graph and the false category attention graph to obtain a fused attention graph, and processing the fused attention graph to obtain a dual hard mask; generating global disturbance of the original sample by using a spatial domain disturbance generator obtained by pre-training; cutting the global disturbance by using the dual hard mask to obtain local disturbance; and superposing the local disturbance to the original sample to obtain an adversarial sample. According to the scheme, the face forgery detection model can be attacked from a real area and a false area, a high attack success rate is achieved for the white box face forgery detection model and the black box face forgery detection model, and the attack effect of the confrontation sample is improved.
Owner:PEOPLE CN CO LTD

Physical confrontation coating generation method and device for vehicle target detector

The invention provides a physical confrontation coating generation method and device for a vehicle target detector. The method comprises the following steps: acquiring a mask image, a vehicle image and shooting camera visual angle data from a multi-weather vehicle data set; segmenting the vehicle image by using the mask image to obtain a foreground vehicle image and a background image of the vehicle image; inputting the foreground vehicle image, predetermined vehicle model data, a vehicle UV image and shooting camera visual angle data into an autonomously designed differentiable end-to-end advanced neural renderer to render the vehicle image in a specific scene and visual angle; combining the rendered vehicle image with the background image to form a complete image, inputting the complete image into a random disturbance module to add disturbance, and inputting the disturbed image into a target detector to obtain a detection result; the detection result is used, loss is calculated through a self-designed loss function, and vehicle coating is optimized through gradient back propagation. The vehicle confrontation coating generated by the method can realize accurate deployment and has better robustness.
Owner:HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)

Black box confrontation sample generation method based on deceptive texture

The invention discloses a deceptive texture-based black box adversarial sample generation method, which comprises the following steps of: acquiring a plurality of initial optimization variables, the initial optimization variables being an array of 2 + m * m dimensions, the first two-dimensional numerical values being used for representing coordinates of an adversarial patch center in an image, the last m * m-dimensional numerical values being used for representing a pixel value of an adversarial patch, and the pixel value being 1 or 0; decoding the last m * m-dimensional numerical value of the initial optimization variable to obtain a corresponding adversarial patch, and pasting the adversarial patch in the image according to the first two-dimensional numerical value of the initial optimization variable to obtain an adversarial sample; and inputting the adversarial samples corresponding to the plurality of initial optimization variables into the deep neural network model to obtain a detection result output by the model, and performing optimization variable iterative updating based on the plurality of initial optimization variables and the detection result to obtain a final optimization variable and a corresponding adversarial sample thereof. The method can improve the cheating of the anti-patch, improves the attack effect of the anti-sample, improves the optimization efficiency, and reduces the optimization cost.
Owner:NAT INNOVATION INST OF DEFENSE TECH PLA ACAD OF MILITARY SCI

Data-free black box adversarial sample generation method based on attention enhancement

ActiveCN119539024AMeet the requirements of real-world scenariosOvercoming poor diversityInternal combustion piston enginesBiological modelsSynthetic dataInformatics
The invention relates to the field of artificial intelligence confrontation technology and the like, and discloses a data-free black box confrontation sample generation method based on attention enhancement, which comprises the following steps: randomly sampling a noise space, and generating synthetic data # imgabs0 # by an input generator; querying decision output of a black box target model # imgabs2 by using the synthetic data # imgabs1 #, and caching an input-output pair; enhancing the substitution model by using an attention enhancement module, and training the enhanced substitution model; training a generator by using a joint structure information learning strategy; the cached input and output pairs are replayed, and the enhanced substitution model is further trained; constructing an adversarial sample on the enhanced substitution model by applying a white-box attack strategy, and migrating to a black-box target model to implement attack; the problems that an existing substitution model is low in learning efficiency for different synthetic data, the synthetic data generated by the generator is poor in diversity, and the substitution model is low in training efficiency are solved, and by optimizing the substitution model and the generator learning strategy, the optimized substitution model accurately simulates black box target model decision output.
Owner:SICHUAN UNIV

Fluorescent anti-counterfeiting-encryption method for constructing perovskite quantum dot array based on in-situ synthesis of solid-phase photolithography

The invention discloses a fluorescent anti-counterfeiting-encryption method for constructing a perovskite quantum dot array based on in-situ synthesis of a solid-phase photoetching method. The preparation method comprises the following steps: dissolving cesium perfluoroglutarate, lead oleate and hexabromocyclododecane in N, N-dimethylformamide, adding polymethyl methacrylate, heating and dissolving to obtain a mixed precursor solution, coating a glass substrate with the mixed precursor solution to obtain a precursor film, drying to remove N, N-dimethylformamide, and finally covering the precursor film with a pattern chromium mask plate to obtain the chromium-coated glass. And irradiating under a 254 nm ultraviolet lamp to obtain the CsPbBr3 fluorescent anti-counterfeiting array. According to the method, the perovskite nanocrystal fluorescent microarray is prepared in situ based on a photo-induced dehalogenation direct photoetching method, under the action of a mask plate, halogenated hydrocarbon is induced to dehalogenate through 254 nm ultraviolet light to generate halide ions and drive generation of perovskite nanocrystals, and perovskite nanocrystal fluorescent microarrays with different patterns can be obtained by adjusting the patterns of the mask plate. Developing, etching and other operations are not needed, and the method is very simple, convenient, efficient and low in cost.
Owner:MINNAN NORMAL UNIV

Backdoor attack method for personalized federal learning based on feature aggregation

The invention discloses a backdoor attack method for personalized federal learning based on feature aggregation, and belongs to the technical field of backdoor attack. The size of the designed back door trigger is equal to that of an input image, and each pixel value of the trigger is constrained. According to the design, detection based on image tampering defense can be effectively avoided, so that the backdoor trigger is more difficult to find visually. Secondly, training a backdoor trigger and a backdoor model by adopting an intra-class attack strategy; in the process, a backdoor trigger is trained by using a feature distribution alignment method, so that backdoor data generated by a malicious client is as close as possible to data distribution of other normal clients, and a federated defense mechanism based on model parameter clustering detection is avoided. And finally, all malicious clients cooperatively train a backdoor trigger. Feature aggregation of the backdoor trigger is carried out between malicious clients, data advantages mastered by an attacker are fully utilized, the generalization ability of the backdoor trigger is improved, and the backdoor trigger can still keep effective under wide input conditions.
Owner:DONGHUA UNIV

Prediction and evaluation method and system for lung cancer sample

The invention relates to the technical field of prediction and evaluation of lung cancer samples, and discloses a prediction and evaluation method of a lung cancer sample, which comprises the following steps: collecting clinical information of a lung cancer patient, acquiring biological data of the lung cancer sample, sorting medical image data, extracting key genes, proteins or pathway characteristics from the biological data, important features related to the lung cancer are screened by using a statistical method or a machine learning algorithm, a proper machine learning or deep learning model is selected according to data characteristics and a prediction target, and the interpretability, stability and calculation complexity of the model are considered. According to the method, tumors with high-risk characteristics, such as tumors with high invasiveness and high metastasis potential, can be found and intervened in time through prediction and evaluation of lung cancer samples, so that the disease progress is delayed, the treatment effect is improved, the treatment effect and disease change can be monitored through regular prediction and evaluation of the lung cancer samples in the treatment process, and the treatment effect is improved. The treatment scheme is adjusted in time, and the maximization of the treatment effect is ensured.
Owner:SHENZHEN YUCE BIOTECHNOLOGY CO LTD

A storage unit resistant to power consumption attacks based on digital mechanism

The present invention discloses a power consumption attack resistant storage unit based on a digital mechanism, the storage unit is composed of a first PMOS transistor, a second PMOS transistor, a first NMOS transistor, a second NMOS transistor, a first inverter, a second inverter, a third inverter, a first transmission gate and a second transmission gate. The power consumption attack resistant storage unit based on a digital mechanism of the present invention can improve the ability of the unit circuit to resist side channel attacks, can greatly improve the stability of the unit while sacrificing a smaller unit area, and reduces the power consumption of the unit.
Owner:ANHUI UNIV

Adversarial patch generation method and device for monocular depth estimation method

The invention discloses an adversarial patch generation method and device for a monocular depth estimation method. The adversarial patch generation method comprises the following steps: generating a patch-free scene image according to a scene image, a target non-image and a target object mask; generating a benign depth map corresponding to the patch-free scene image based on the target MDE model; determining a target depth map according to the benign depth map; reversely calculating an adversarial patch image and an adversarial patch mask according to the target depth map and the overall loss function; according to the method, the target depth map is determined according to the benign depth map, and the anti-patch image and the anti-patch mask are obtained through reverse calculation in combination with the target depth map and the target MDE model, so that the attack effect of the anti-patch image can be expanded to the whole target, and the attack effect is greatly improved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Self-driven rotating tooth and drill bit

The utility model belongs to the technical field of drilling tools, and particularly relates to a self-driven rotating tooth and a drill bit. The self-driven rotating tooth comprises a rotating sleeve; the core tooth is coaxially and rotatably arranged on the rotating sleeve, a driving combination surface is arranged on the working surface of the core tooth, and the driving combination surface is configured to enable the core tooth to rotate relative to the rotating sleeve when being subjected to axial force. The working face of the core tooth is provided with the driving combination face, so that the core tooth is constructed into the special-shaped tooth, on one hand, the core tooth can automatically rotate in the drilling process without a side corner, can be installed at the position of a cutting tooth of a conventional PDC drill bit for use, and can be exchanged with the conventional PDC cutting tooth for use; and large-area popularization and application of the rotating tooth are facilitated, and the impact resistance and aggressiveness of the core tooth can be improved. On the other hand, the impact resistance and aggressiveness of the core tooth can be improved.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +2

Cross-camera physical countermeasure attack method and system for pedestrian detection

The invention discloses a cross-camera physical countermeasure attack method and system for pedestrian detection, and relates to the field of artificial intelligence security. The method comprises the following steps: forming a data pair from an original image, a target image obtained by processing the original image through a camera ISP, and randomized parameters obtained by randomizing key parameters; constructing a camera ISP proxy network, and training the camera ISP proxy network according to the data pair to form a camera ISP proxy network model; processing an adversarial patch to be optimized through the camera ISP proxy network model to obtain an ISP processing adversarial patch and applying the ISP processing adversarial patch to a pedestrian data set; and constructing an adversarial optimization framework according to the target detector and the camera ISP proxy network model, and generating a cross-camera adversarial patch in the adversarial optimization framework. The cross-camera adversarial patch obtained by the invention can continuously and effectively attack a target on different pedestrian detection devices, and the success rate of physical adversarial attacks is improved.
Owner:WUHAN UNIV

Bispecific antibody combining PD-L1 and VEGF and application thereof

PendingCN121949560ARelief of immunosuppressionRestore anti-tumor functionHybrid immunoglobulinsAntibody ingredientsAntiendomysial antibodiesTumor vessel
The invention provides a bispecific antibody capable of binding to PD-L1 and VEGF (vascular endothelial growth factor). The bispecific antibody comprises a first binding domain capable of binding to PD-L1 and a second binding domain capable of binding to VEGF. The bispecific antibody provided by the invention is combined with PD-L1, so that the immunosuppression of tumor cells on T cells can be relieved, and the anti-tumor function of an immune system can be recovered; meanwhile, by combining the bispecific antibody with VEGF, the growth of the tumor can be slowed down, the blood supply of the tumor can be reduced, and even the tumor blood vessel can be normalized, so that the immune environment is improved, and the attack ability of immune cells on the tumor is enhanced.
Owner:SAILING PHARM TECH GRP CO LTD

A security detection system for artificial intelligence models based on adversarial sample injection

PendingCN122087827ABoth aggressiveConcealableHardware monitoringBiological modelsAlgorithmEngineering
This invention provides an artificial intelligence (AI) model security detection system based on adversarial example injection, relating to the field of AI security. The system includes the following modules: an adversarial example generation module for dynamically generating adversarial examples for the AI ​​model; a multi-level injection module for controlling the injection of adversarial examples at each level of the AI ​​model; an adversarial example fusion module for intelligently coordinating the generation and fusion of adversarial examples with physical constraints and those with digital perturbations; a multi-dimensional monitoring module for real-time monitoring of the AI ​​model's output, internal features, and resource consumption; a security assessment module based on a deep metric learning algorithm to output assessment results; and a defense suggestion module to generate defense schemes based on the assessment results. This invention improves the efficiency of AI model security detection and provides reliable technical support for the secure deployment and continuous optimization of AI models.
Owner:SHANGHAI SHIYUE COMPUTER TECH CO LTD

A conical insert and drill bit

ActiveCN114541972BImprove efficiency while drillingStrong scraping abilityConstructionsClassical mechanicsStructural engineering
The application relates to a conical complex piece and a drill bit, which comprises a base and a conical tooth arranged on the top surface of the base, the bottom end of the conical tooth is connected with the top surface of the base, the top end of the conical tooth is provided with an impact surface for contacting with the external environment, first recessed surfaces and second recessed surfaces are arranged on the circumferential outer wall of the conical tooth and are spaced apart in the circumferential direction, and the side edges of the first recessed surfaces and the second recessed surfaces which are close to each other both extend along the generatrix direction of the conical tooth, and a ridge is formed between the first recessed surfaces and the second recessed surfaces. The ridge can effectively scrape the stratum structure during rotation, improves the attackability and the ability of eating into the stratum, and finally improves the efficiency of the conical complex piece during drilling. In addition, the impact surface arranged at the top end of the conical complex piece has strong impact resistance when contacting with the stratum, and finally the drill bit has strong impact resistance and strong scraping effect.
Owner:KINGDREAM PLC CO +1

An attention enhancement-based data-free black-box adversarial sample generation method

ActiveCN119539024BMeet the requirements of real-life scenariosOvercoming poor diversityInternal combustion piston enginesBiological modelsSynthetic dataInformatics
This invention relates to fields such as AI adversarial techniques, and discloses a data-free black-box adversarial example generation method based on attention enhancement, comprising: randomly sampling a noise space, inputting it into a generator to generate synthetic data. ; Utilizing synthetic data Query black-box target model The system calculates the decision output and caches the input-output pairs; it strengthens the alternative model using an attention enhancement module and trains the enhanced alternative model; it trains the generator using a joint structural information learning strategy; it replays the cached input-output pairs to further train the enhanced alternative model; it employs a white-box attack strategy to construct adversarial examples on the enhanced alternative model and transfers them to the black-box target model to carry out the attack; it overcomes the problems of low learning efficiency of existing alternative models for different synthetic data, poor diversity of synthetic data generated by the generator, and low training efficiency of alternative models, and by optimizing the learning strategies of the alternative model and the generator, the optimized alternative model can accurately simulate the decision output of the black-box target model.
Owner:SICHUAN UNIV

Self-assembly preparation method and application of multi-enzyme active nano-zinc oxide for treating salmonella enteritis

The invention discloses a self-assembly preparation method and application of multi-enzyme active nano-zinc oxide for treating salmonella enteritis, a trace amount of oleylamine is added as a protective agent, a self-assembly nano-enzyme is synthesized by a simple method, and the direct antibacterial effect of ZnO is improved; the minimal inhibitory concentration of ZnO synthesized by the same method in vitro is 250 [mu] g / mL, the minimal inhibitory concentration of ZnO doped with trace Cu and Mn is about 30 [mu] g / mL, and the bacteriostatic efficiency is improved by about 8 times; trace elements of copper (Cu) and manganese (Mn) are doped into a ZnO nano material, so that the ZnO nano material is endowed with various enzyme activities, peroxidase activity is exerted under the acidic condition of the stomach to generate bactericidal active oxygen, and superoxide dismutase and catalase activity for resisting oxidative stress are exerted when the ZnO nano material reaches neutral intestinal tracts, so that inflammation of the intestinal tracts is relieved; the traditional Chinese medicine composition can play a role in the acidic state of the stomach, can relieve inflammation of the intestinal tract in the intestinal tract, and can completely adapt to the environment of the gastrointestinal tract.
Owner:SICHUAN AGRI UNIV +1

A power CPS false data attack modeling method based on gene multi-objective evolution

PendingCN122286754Aincrease aggressivenessAlgorithmAttack modeling
This invention discloses a multi-objective evolutionary modeling method for fake data attacks in power system CPS (Computer-Powered Systems), belonging to the field of data attack technology. It solves the problem of insufficient attack flexibility in existing technologies, which fails to provide a foundation for power system defense. This invention models attacks through a three-step attack-defense game: attack gene generation, optimization, and evolution. In the gene generation stage, gene encoding technology is used to construct attack gene units from the decoupled attack offset and tag policy matrix, and these units are then assembled into base pair structures by aligning and splicing them. In the gene optimization stage, a multi-objective fitness function is constructed based on concealment and attack effectiveness objectives. Using residuals and attack effectiveness as objectives, a multi-objective collaborative screening between destructiveness and concealment is achieved to obtain optimized genes. In the gene evolution stage, multi-point crossover and single-point crossover operations are used for the attack chain and concealment chain of the optimized genes, respectively, to enhance the attack effectiveness.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD

Constant time discrete Gaussian sampling method and device based on DPWGAN

The invention provides a constant time discrete Gaussian sampling method and device based on DPWGAN. The method comprises the following steps: acquiring uniformly distributed training data and real data; based on the configured generative network, using the training data to obtain corresponding generated data and inputting the generated data into a loss function, and based on the configured discrimination network, determining a true value corresponding to the true data and inputting the true value into the loss function to determine the difference between the true value and the generated data; the generative network iterates the currently generated data based on the difference of the loss function, so that the difference between the generated data and the true value is reduced; and carrying out sampling processing on the generated data which meets the preset requirement after iteration. According to the method, the differential privacy method is combined with the WGAN, and the advantages of differential privacy are combined, so that privacy protection is provided for real data input into the model, and the model scheme is safer; by using the generative model, the defect that a discrete binary tree method is easily attacked by a side channel is overcome.
Owner:NO 15 INST OF CHINA ELECTRONICS TECH GRP

Fighting robot

The utility model provides a fighting robot, relates to competition robot technical field, the fighting robot includes machine body, movement mechanism, roller, chiseling mechanism, movement mechanism drive machine body to move, roller is connected in the front of machine body, roller is used for around the roller axis rotation, the roller peripheral side surface is provided with the boss that extends along the roller axis direction, and chiseling mechanism is provided with the boss. The chiseling mechanism comprises a weapon rod and a driving assembly, one end of the weapon rod is rotationally connected with the rear portion of the upper surface of the fuselage, the driving assembly is arranged on the fuselage and used for driving the weapon rod to rotate, and the other end of the weapon rod is used for attacking the enemies. The rotary drum is arranged in front of the machine body, and the weapon rod capable of rotating between the upper portion and the rear portion is arranged above the machine body, so that the fighting robot can hurt enemies in the three directions of the front end, the upper end and the rear end, and aggressiveness of the fighting robot is enhanced.
Owner:HEILONGJIANG XUANSU TECHNOLOGY CO LTD

Multi-agent space-time precise cooperative control method based on offset proportion guidance

The invention discloses a multi-agent space-time precise cooperative control method based on offset proportion guidance, and belongs to the field of multi-agent cooperative control, and the method comprises the following steps: S1, constructing a relative kinematics model, and constructing a multi-agent network communication structure; s2, generating a virtual guide point according to the multi-agent and target position information; s3, distributing respective tracking virtual guide points to each agent; s4, designing agent normal acceleration control with terminal sight angle constraint, and designing agent tangential acceleration control by using error feedback; and S5, state information of each agent in the network communication structure is updated in real time, and normal acceleration and tangential acceleration of each agent are updated, so that each agent can reach the corresponding virtual guide point at the same time. By adopting the multi-agent space-time precise cooperative control method based on offset proportion guidance, the remaining time of each agent can be autonomously coordinated to finally achieve consistency, so that the time consistency of the terminal is realized.
Owner:BEIJING INST OF TECH

Hidden backdoor attack method, device and product facing vertical federated learning

The invention discloses a vertical federated learning-oriented hidden backdoor attack method, device and product, and the method comprises the steps: analyzing two attack modes of an input space and a potential space, and researching the risk that an attacker embeds a backdoor into a vertical federated learning model under the condition that global data or labels are not directly intervened; the input space attack is characterized in that in a vertical federation learning model training process, part of input samples are replaced and a trigger is injected, so that a top-layer model learns association between a backdoor trigger and a target label, and the top-layer model is guided to carry out error classification on the samples with the trigger in a reasoning stage; according to the potential space attack, an attacker directly acts on a feature embedding space of a local model of the attacker in the training process of the vertical federated learning model, and an embedding vector is adjusted by utilizing an optimization strategy so as to generate a specific backdoor response in a top layer model. According to the method, a solid foundation is laid for design and optimization of a defense mechanism, and security improvement of the VFL technology is promoted.
Owner:WUHAN UNIV

Image processing method, device, apparatus and storage medium

This application discloses an image processing method, apparatus, device, and storage medium, belonging to the field of artificial intelligence technology. The method includes: acquiring an original image; performing feature encoding processing on the original image to obtain a first feature map; acquiring a second feature map and a third feature map of the original image based on the first feature map; wherein the second feature map represents an image perturbation to be superimposed on the original image, and each position on the third feature map has different feature values, each feature value being used to characterize the importance of the image feature at the corresponding position; generating a noisy image based on the second and third feature maps; and superimposing the original image and the noisy image to obtain a first adversarial example. This application can generate high-quality adversarial examples, thereby achieving good attack effects.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

A robust adversarial camouflage generation method, system, and storage medium for monocular depth estimation in multi-view and complex environments

ActiveCN121582067BMitigating gradient conflictsEffectively expand application scenarios for combating attacksImage enhancementImage analysisTexture renderingComputer graphics (images)
This invention provides a robust adversarial camouflage generation method, system, and storage medium for monocular depth estimation in multi-view and complex environments. The method includes: Step S1, scene data acquisition: acquiring forward image data during vehicle movement; Step S2, adversarial texture rendering; Step S3, multi-view image acquisition: randomly selecting different angles, distances, and bias parameters, obtaining the corresponding camera positions through a transformation function, and using a differentiable renderer to obtain multiple object images with different angles, distances, and offsets, along with corresponding masks; Step S4, complex physical domain environment enhancement; Step S5, adversarial loss: constructing an adversarial loss function; Step S6, multi-view joint optimization. The beneficial effects of this invention are: overcoming the limitations of existing methods for object detection models and their difficulty in directly transferring to regression tasks, achieving robust multi-view adversarial attacks against texture-sensitive models like MDEs in complex physical domains.
Owner:HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)

Detection processing method of Internet of Things

ActiveCN119155155AImprove Analytical Processing EfficiencyEfficient detectionSecuring communicationEdge computingEdge node
The invention discloses a detection processing method of the Internet of Things. The method comprises the following steps: carrying out architecture control management on a detection processing system of the Internet of Things; carrying out transverse cooperation and real-time control on the Internet of Things detection processing system; carrying out analysis processing control on the Internet of Things detection processing system; performing acquisition detection management of the Internet of Things detection processing system; the architecture control management of the Internet of Things detection processing system comprises the steps that the Internet of Things detection processing system is controlled and managed through an edge computing structure, the edge computing structure is divided into three layers including a cloud layer, an edge computing layer and a terminal layer, network services are provided between the cloud layer and an edge node layer through a set core network, and the network services are provided between the edge node layer and the cloud layer. Each node is connected to the cloud, each device is connected to an edge node, and the edge nodes can communicate with each other to form a set honeycomb shape. The device has the characteristics of high safety and high stability.
Owner:JIANGXI JIE XUN ENTERPRISE MANAGEMENT CO LTD