Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

262 results about "Image segmentation algorithm" patented technology

A segmentation algorithm takes an image as input and outputs a collection of regions (or segments) which can be represented as. A collection of contours as shown in Figure 1. A mask (either grayscale or color ) where each segment is assigned a unique grayscale value or color to identify it.

Dividing method and system for forest pest control area

The invention provides a division method and system for a forest pest control area, and relates to the technical field of data processing, and the method comprises the steps: building a forest pest control database through collecting pest data and environment data of a control area; and training a pest risk prediction model based on historical data to generate a risk distribution map. And then, in combination with a GIS technology and a deep learning image segmentation algorithm, intelligent division is performed on the target area, and it is ensured that the unmanned aerial vehicle efficiently covers the prevention and control unit. According to the method, the optimal spraying route can be planned by adopting a path optimization algorithm based on the flight capability of the unmanned aerial vehicle, the pesticide carrying capacity and the environmental conditions, spraying parameters are dynamically adjusted by monitoring the wind speed, obstacle information and the like in real time, precise pesticide application is ensured, the pest control efficiency can be improved, repeated spraying and spraying blind areas are reduced, the pesticide use amount is reduced, and the pesticide application cost is reduced. Intelligent and precise forest pest control is achieved, and the method is suitable for large-scale unmanned aerial vehicle autonomous operation scenes.
Owner:RIZHAO COASTAL NAT FOREST PARK MANAGEMENT SERVICE CENT

Efficient 3D Gaussian scene reconstruction method based on multi-modal depth distribution supervision

The invention discloses an efficient 3D Gaussian scene reconstruction method based on multi-modal depth distribution supervision, and compared with the prior art, pixel-level depth dense point clouds are directly extracted in a Gaussian initialization stage, a multi-modal depth distribution map is generated, random initialization of dense Gaussian positions according to COLMAP sparse point clouds is effectively avoided, and the reconstruction efficiency is improved. The problems that under the condition of few views, point clouds obtained by COLMAP are too sparse, provided geometric constraints are insufficient, and meanwhile randomly initialized Gaussian blocks the point clouds to move to the correct position due to the local minimum value are solved. According to the method, an image segmentation algorithm based on edge detection is applied to the image frame, a large number of Gaussian primitives which are far away from edge points and are similar in depth are fused, the 3D Gaussian number is effectively pruned, and memory consumption of a GPU is saved. According to the method, extra isotropic regularization loss is introduced into global gauss, so that the problem of Gaussian distribution in which artifacts are generated along the line-of-sight direction and the height is lengthened is avoided.
Owner:CHENGDU UNIV OF INFORMATION TECH

Disaster early warning method and system based on key target detection and image segmentation

The invention belongs to the field of disaster early warning, and provides a disaster early warning method and system based on key target detection and image segmentation, and the method comprises the steps: obtaining the real-time image data of a site, and carrying out the preprocessing of an image; processing the preprocessed image through a YOLOv5 target detection algorithm, detecting a key target in a disaster site, and outputting a category label and a bounding box of the target; performing pixel-by-pixel segmentation processing on a bounding box region output by target detection by using a U-Net image segmentation algorithm to generate an accurate segmentation mask of the target; and inputting the image segmentation mask, historical disaster data, meteorological data and geographic information system data into an LSTM prediction model, carrying out multi-source data fusion and time sequence analysis, and outputting dynamic prediction information and early warning levels of disasters. According to the invention, real-time monitoring and early warning of disasters are realized, the response speed of the early warning system is obviously improved, more comprehensive disaster early warning information is provided, high precision of disaster prediction is ensured, and the phenomena of false alarm and missing alarm are reduced.
Owner:SICHUAN TOURISM UNIV

Power transmission image defect detection and defect duplicate removal method and system based on deep learning image segmentation algorithm

The invention discloses a power transmission image defect detection and defect duplicate removal method and system based on a deep learning image segmentation algorithm, and belongs to the technical field of intelligent inspection of power equipment. According to the method, real-time tower identification and adaptive shooting are realized through a lightweight YOLO model deployed at the edge end of an unmanned aerial vehicle; pixel-level segmentation is carried out on the infrared image by using an MSAN-Net network, the network integrates a ResNet encoder, a cross-scale attention mechanism and a multi-level feature pyramid, and boundary learning is enhanced by using a composite loss function; based on a multi-view three-dimensional reconstruction technology, two-dimensional defects are mapped into space rays through feature point matching and pose estimation, and defect de-weighting is achieved through ray intersection judgment. Through the MSAN-Net network, the segmentation precision of the infrared component under a complex background is remarkably improved through an attention mechanism and multi-scale feature fusion, and the problem of repeated defect detection in multi-view inspection is effectively solved in combination with a three-dimensional space mapping method.
Owner:ZHONGKE FANGCUN ZHIWEI (NANJING) TECH CO LTD

Track foreign matter intelligent detection system and method based on image recognition

The invention discloses an intelligent track foreign matter detection system and method based on image recognition, and particularly relates to the technical field of image recognition. A real-time image is acquired, an area-of-interest is extracted in combination with an image segmentation algorithm, and potential foreign matters are identified; the space-time consistency of the detection result is verified by analyzing the space-time data of the track foreign matter so as to judge the real threat; extracting multi-dimensional features such as shape, texture, color and size from a real threat target, and outputting classification confidence to evaluate model classification stability; the detection accuracy is evaluated by combining the space-time consistency and the classification stability, the detection results are divided into different categories, the abnormal degree of subsequent detection is predicted for the incomplete accuracy detection result, and the image acquisition resolution or frame rate is dynamically adjusted to improve the detection definition. The problems of missing detection and frequent false alarm of small and medium-sized foreign matters in the prior art are solved, the accuracy and reliability of track foreign matter detection are greatly improved, and the running safety of a high-speed train is guaranteed.
Owner:BEIJING URBAN CONSTR EXPLORATION & SURVEYING DESIGN RES INST

Repair supervision evaluation method based on mine ecological image discrimination

The invention relates to the technical field of image discrimination, and further relates to a restoration supervision evaluation method based on mine ecological image discrimination, and the method comprises the steps: 1, carrying out the preprocessing of an obtained remote sensing multispectral image of a target mine region, and obtaining a preprocessed image; fusing the standard vegetation index, the bare soil area and the reflectivity ratio to obtain a vegetation recovery index; 2, dividing the preprocessed image into a plurality of ecological patches by using an image segmentation algorithm; calculating to obtain a slope stability index in combination with the crushing degree; 3, evaluating a hydrological recovery index corresponding to the water body area in the preprocessed image through the combination of short-wave infrared and near-infrared bands; and calculating a comprehensive restoration index of the target mine area in combination with the vegetation restoration index, the slope stability index and the hydrological restoration index. The method has the advantages of being high in adaptability, wide in monitoring range and the like, and the supervision efficiency and scientificity of mine repair engineering can be remarkably improved.
Owner:山东省国土空间生态修复中心(山东省地质灾害防治技术指导中心山东省土地储备中心)

Double-decoder integrated indication image segmentation algorithm and device based on SAM completion

The invention discloses a dual-decoder integrated indication image segmentation algorithm and a dual-decoder integrated indication image segmentation device based on SAM (Secure Anything Model) completion, a novel dual-branch decoder framework is introduced, and the SAM (Secure Anything Model) is combined to be used for RIS (Remote Information System). According to the framework, an MLP decoder and a KAN decoder are combined, and a multi-scale feature fusion module is added, so that the capability of identifying fine details in an image by a model is enhanced. Through an ensemble learning strategy, the robustness of the framework is further enhanced, and the insight of MLP and KAN decoder branches is integrated. More importantly, edge coordinates and bounding box coordinate information of the segmented target are used as input prompts of the SAM model. According to the strategy, the zero sample learning capability of the SAM is utilized to perfect and optimize the segmentation result. According to the method disclosed by the invention, the effectiveness of the method is proved on the basis of experimental results of widely accepted RefCOCO, RefCOCO + and RefCOCOg data sets. The result not only reaches the most advanced level in segmentation performance, but also is supported by ablation studies, which highlight the contribution of each component to the improvement of the overall performance.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Interactive image segmentation algorithm based on algorithm computer

The invention discloses an interactive image segmentation algorithm based on an algorithm computer, and belongs to the technical field of computer image segmentation. The interactive image segmentation algorithm comprises the following steps: S1, image uploading and preprocessing, S2, construction of a bidirectional interactive propagation mechanism, S3, adaptive image segmentation, and S4, image detection after segmentation. The interactive image segmentation algorithm is combined with lightweight semantic propagation, adaptive segmentation and a user feedback closed loop, the user interaction frequency is remarkably reduced while the precision is ensured, and compared with a pure deep learning scheme, the interactive image segmentation algorithm is more suitable for small sample scenes and is suitable for scenes with double requirements on precision and efficiency, such as medical images and industrial quality inspection; the algorithm can quickly adapt to a new field, a new category or an unknown object, reduces dependence on a large amount of training data in a specific field, minimizes user interaction times and complexity on the premise of ensuring high segmentation precision, can improve user experience, and has the characteristics of extremely simple interaction, ultrahigh precision, superstrong robustness and real-time response.
Owner:ZHONGBEI UNIV

Cleaning method and control system of semiconductor wafer cleaning system

The invention discloses a cleaning method and a control system of a semiconductor wafer cleaning system in the technical field of information, and the control method of the semiconductor wafer cleaning system comprises the following steps: obtaining a wafer surface image, and processing the wafer surface image by adopting an image segmentation algorithm to obtain a wafer surface image; identifying a polluted area and a non-polluted area in the wafer surface image, and judging the pollution degree and the pollution type of the wafer surface according to the area, the form and the gray scale characteristics of the polluted area; cleaning process data of each batch of wafers is recorded, the cleaning process data comprises a cleaning formula, cleaning parameters, cleaning time, cleaning agent dosage, pollution removal rate and surface damage conditions, a big data analysis technology is applied, optimal cleaning processes of different types of wafers are mined, the cleaning formula database is dynamically updated and optimized, and the optimal cleaning process is updated and optimized. Therefore, the cleaning efficiency and the yield are improved.
Owner:江苏凯迪微技术股份有限公司

Concrete strength prediction method based on deep learning

The invention provides a concrete strength prediction method based on deep learning, and the method comprises the steps: obtaining a coarse aggregate surface image through employing a three-dimensional scanning method, recognizing the surface roughness of the coarse aggregate, and extracting the pore distribution characteristics of the surface of the coarse aggregate through combining with an image segmentation algorithm; carrying out feature extraction on the interface transition area by adopting wavelet transform to obtain local features of the interface transition area, and carrying out weighted calculation on the local features in combination with an adaptive weighted fusion algorithm to obtain enhanced local feature representation; fusing the marked microstructure parameters with the macroparameters of the whole concrete, constructing a concrete strength prediction model, and outputting a predicted value of the whole strength of the concrete; and predicting the weights of the regions corresponding to different intensities through an adaptive weighted fusion algorithm to obtain local features contributed to the target intensity.
Owner:GUANGDONG ZHUMEI CONSTR CO LTD

Blasting fragmentation prediction method suitable for complex terrain mine

The invention discloses a blasting fragmentation prediction method suitable for a complex terrain mine, and the method is based on high-precision muck pile three-dimensional reconstruction, is combined with an image segmentation algorithm, and enables the calculated overall fragmentation error to be small through the correction of a spatial distribution model. Meanwhile, the overall lumpiness distribution obtained through the method is closer to actual lumpiness distribution, and through boulder rate comparison evaluation, a scientific basis can be provided for mine blasting effect evaluation and production management, blasting parameters can be optimized, and production efficiency can be improved.
Owner:SICHUAN RONG GRP YIBIN CHUANNAN CONSTRUCT ENG CO LT +1

Medical image segmentation algorithm and system based on Mama and storage medium

The invention discloses a medical image segmentation algorithm and system based on Mama, and a storage medium. The method comprises the following steps: processing medical image features through a multi-path convolution attention mixer MCAM; the VSS Block captures global information through a state space model to enhance the coding capability; the COC module extracts features through channel projection, vertical offset and horizontal offset; the up-sampling features and the features output by the MCAM are fused, the resolution of the image is gradually recovered through inverse operation, and the number of channels is adjusted to the proportion required by the segmentation task; inputting the feature maps after multiple complete coding and down-sampling into an up-sampling and visual state space module, and decoding the feature maps together with the corresponding feature maps of multiple coding cross offset connection operations; medical image segmentation is carried out, and key anatomical features and subtle pathological changes are accurately distinguished. By improving downsampling and U-Net jump connection based on Mama, the feature extraction capability and the capability of capturing complex semantic information are enhanced.
Owner:WUHAN UNIV OF SCI & TECH

Warehouse goods intelligent identification and positioning management system based on image segmentation algorithm

A warehouse goods intelligent identification and positioning management system based on an image segmentation algorithm comprises an image acquisition and preprocessing module, an image segmentation algorithm module, a goods positioning and feedback module, an inventory management module, a data communication and integration module and a user interaction and management module. The image segmentation algorithm module is used for segmenting and extracting image information. The cargo identification and positioning module is used for identifying and positioning cargoes. The position feedback and alarm module is used for feeding back cargo positions and giving an alarm. The inventory management module is used for managing and maintaining cargo information. The data communication and integration module is used for transmitting information in real time. According to the warehouse goods intelligent identification and positioning management system based on the image segmentation algorithm, the warehouse image segmentation algorithm based on deep learning is put forward to classify goods, and the goods identification and positioning algorithm based on improved label template matching is put forward to intelligently position the goods.
Owner:ZHONGSHAN DIANNIU TECH CO LTD

Target object detection method, device and system

The invention relates to the technical field of image detection, in particular to a target object detection method, device and system and a computer readable storage medium. According to the method, the deep learning model and the image segmentation algorithm are combined, the detection results obtained through detection in two modes are preliminarily screened, the detection results with high accuracy are subjected to cross-linking processing, the first detection result and the second detection result are fused according to the cross-linking comparison, and the detection result for the target object is generated. Through the mode, the characteristic of high accuracy of the recognition result of the deep learning model and the characteristic of high recall rate of the image segmentation algorithm are combined, targets with similar shapes can be accurately recognized through the deep learning model, and the defect of low precision of the image segmentation algorithm is overcome; the majority of targets in the image can be detected through the image segmentation algorithm, the problem that a deep learning model is inaccurate in small target recognition is solved, and the accuracy of target object detection can be greatly improved through combination of the two.
Owner:AUTEL INTELLIGENT AUTOMOBILE CORP LTD

Rice processing precision detection method, electronic equipment and storage medium

The embodiment of the invention discloses a rice processing precision detection method, electronic equipment and a storage medium, and relates to the technical field of image processing. The method comprises the steps that an outer surface image of undyed rice is acquired, and the outer surface image comprises a front image and / or other surface images; segmenting a seed coat area, an endosperm area and a rice complete area in the outer surface image by using an image segmentation algorithm; and determining the rice processing precision by utilizing the areas of the seed coat area, the endosperm area and the rice complete area. The embodiment of the invention provides a dyeing-free rice processing precision detection method.
Owner:BEIJING SINO INSTR INTELLIGENT CONTROL CO LTD

Plant extraction method and system based on image processing

The invention discloses a plant extraction method and system based on image processing, and relates to the technical field of image processing. The method comprises the following steps: acquiring and standardizing a plant raw material image; extracting feature vectors of the images by using a neural network convolutional layer algorithm, comparing the feature vectors with a plant raw material standard feature database, and screening out qualified images of the plant raw materials; qualified images are processed through multispectral image analysis and an image segmentation algorithm, and an effective component spatial distribution diagram is obtained; constructing a partial least squares regression linear model, extracting spectral feature vectors of the effective components, inputting the spectral feature vectors into the model to obtain concentration values, and calculating quantitative data of the effective components; establishing an extraction process rule base, selecting a process parameter combination according to a spatial distribution diagram and quantitative data, and extracting to obtain a primary extracting solution and plant residues; and calculating an effective component residual error rate by matching and mapping to a qualified image coordinate, and if the effective component residual error rate is greater than a preset threshold, performing secondary extraction to obtain a secondary extracting solution. And quantitative basis is provided for extracting process parameters through the spatial distribution diagram of the effective components.
Owner:汉中天然谷生物科技股份有限公司

Agricultural insurance data acquisition and management system based on satellite remote sensing

The invention discloses an agricultural insurance data acquisition and management system based on satellite remote sensing. The system comprises a data acquisition module, a preprocessing module, a verification module and a management module. The data acquisition module covers basic, universal and vector data acquisition according to data types; the preprocessing module improves the quality of collected data; the verification module verifies a cultivated land vector and insured user information, and data accuracy and reliability are enhanced; the management module builds two libraries, and constructs an agricultural insurance data large model by utilizing knowledge graph modeling. In the technical application, on the basis of satellite remote sensing and A I, large-user plot data is collected by means of an image segmentation algorithm, and the cost is reduced. A full-coverage model is constructed through abstract materialization, and business application is supported. Technical means such as satellite remote sensing, weight dispatch data superposition and AI image recognition are used for verifying data, manual operation is reduced, verification accuracy is guaranteed, data value is mined, and the agricultural insurance data management level is improved.
Owner:HUANTIAN SMART TECH CO LTD

Coal mine image segmentation algorithm based on Swinin-UMama

The invention discloses a coal mine image segmentation algorithm based on Swinin-UMama, and relates to the technical field of computer vision. According to the method, the design of double-branch dark light enhancement, self-adaptive multi-scale feature extraction of a Swindow-UMama framework and three-channel parallel processing (wavelet module, spatial pyramid and channel attention) is combined, and comprehensive optimization of a multi-loss function is supplemented, so that a coal mine image segmentation model is obtained; the provided coal mine image segmentation model shows excellent performance in an image segmentation task in a coal mine low-light environment, and the method not only significantly improves the segmentation accuracy and boundary definition, but also enhances the adaptability and robustness of the model in a complex environment. And powerful technical support is provided for coal mine safety monitoring and management.
Owner:CHONGQING UNIV OF TECH

Lightweight 3D heart nuclear magnetic resonance image segmentation algorithm based on three-dimensional sparse MLP and 3D efficient deformable attention

The invention discloses a lightweight 3D heart MRI segmentation algorithm based on 3D efficient partial attention and three-dimensional sparse MLP, and the algorithm obtains an MRI pixel block with a detailed target region feature through a 3D efficient deformable attention module EDA, and fits the edge distribution of a segmented region with lower calculation complexity through reference point translation. Efficient attention calculation ensures feature information extraction and greatly reduces resource consumption; the method comprises the following steps: constructing a cross-shaped receptive field at extremely low cost through information in transverse, longitudinal and depth directions of a three-dimensional sparse MLP module (triSMLP) mixed voxel block, and outputting a fine characteristic spectrum with a global receptive field through three-time superposition; the feature maps output by the EDA and the triSMLP recover down-sampling lost detail features at an encoder through a partial convolution feature fusion decoder. Compared with most of the leading edge 3D segmentation algorithms at present, the method has the advantage that a better segmentation effect is obtained with extremely small computing resources.
Owner:CHONGQING UNIV OF TECH

Screen display content and background light collaborative optimization method

The invention discloses a screen display content and background light collaborative optimization method, and relates to the technical field of screen display adjustment, and the method comprises the steps: collecting the image content currently displayed by a display screen, dividing the image content into a plurality of sub-regions through an image segmentation algorithm, and calculating the average brightness value of each sub-region; a background light intensity measurement value of each sub-region is obtained, a background light intensity distribution curve is formed through cubic spline interpolation, the distribution curve is inquired according to the center position of the sub-region, and the background light intensity is obtained; and constructing an adaptive mapping function based on the ratio of the average brightness value to the background light intensity of the sub-regions, dividing a dynamic adjustment interval, and dynamically adjusting the display parameters of each sub-region according to the adaptive mapping function to complete collaborative optimization of the screen display content and the background light. According to the invention, the visual performance of the display device under different ambient light is improved, the display effect is optimized in a targeted manner under different background light conditions, and the method has a wide application prospect.
Owner:RIVOTEK TECH (JIANGSU) CO LTD

Intelligent building texture repairing and beautifying method fusing deep learning model

The invention is suitable for the technical field of building model data processing, and provides an intelligent building texture repairing and beautifying method fusing a deep learning model, and the method comprises the steps: firstly, carrying out the recombination of the texture of a three-dimensional building model, and generating a to-be-processed wall surface and roof texture picture; a to-be-repaired area, needing to be repaired, of the building texture is extracted by combining low-rank matrix decomposition and an SAM image segmentation algorithm, and then whether an LAMA image repair model or a PatchMatch image repair algorithm is used for texture processing is determined according to the proportion of the to-be-repaired area in a whole texture image so as to achieve the maximum repair effect. And finally, carrying out texture distortion repair and material beautification by using an image diffusion model, a ControlNet control chart and cue words, and outputting beautified wall surface and roof textures. The problems of texture shielding, garland, noise, window distortion and the like can be solved at the same time, automatic detection and automatic texture repairing and beautifying of the texture shielding garland area are achieved, and the time consumption of texture editing processing in the building monotonized modeling process is remarkably shortened.
Owner:WUDA GEOINFORMATICS CO LTD

Image processing system and device of intelligent water affair inspection robot

The invention provides an image processing system and device of an intelligent water affair inspection robot, relates to the technical field of water affair inspection, and solves the technical problems of poor light reflection restoration effect, difficulty in floating object feature extraction and relatively high water quality abnormity judgment misjudgment rate in the prior art. The system comprises an image processing module, and an acquisition module and an image analysis module which are connected with the image processing module, the acquisition module is used for acquiring an original image of a water body area acquired by the inspection robot; the image processing module is used for performing reflection restoration on a reflection area in the original image through pixel restoration to obtain a restored image; performing water body and surrounding environment segmentation on the restored image through an image segmentation algorithm to obtain a water body image; performing feature extraction on the water body image through edge detection to obtain water quality features; and the image analysis module is used for carrying out abnormity judgment on the water body area according to the water quality characteristics and generating an abnormal signal. The method is used in the water affair inspection process.
Owner:SHANGHAI CHENGTOU WATER (GRP) CO LTD WATER PROD BRANCH +3

Systems and Methods for Detecting Artificial Intelligence Generated Images

Systems and methods for detecting artificial intelligence generated images are provided. The system accepts an input image (e.g., a digital still image, or a frame from a digital video file or image stream) and subdivides the input image into a set of patches using a patch partitioning algorithm. The system then processes each patch and produces a feature embedding for each patch within a high dimension space. The system then utilizes these patches with further processing as input to machine learning models, which allows the system to achieve image, patch-level, and video-frame generated image classification and localization alongside identification of the generative model used to synthesize the image.
Owner:INSURANCE SERVICES OFFICE INC

Early detection system for skin injury after radiotherapy assisted by multispectral imaging

The invention, which belongs to the technical field of medical image processing and computer vision, discloses a multispectral imaging-assisted post-radiotherapy skin injury early detection system comprising a multispectral data acquisition module, a deep tissue feature extraction module, a three-dimensional lesion segmentation module and a space-time tracking evaluation module. The subcutaneous 2.5 cm depth tissue information is obtained through multispectral imaging at the wave band of 400-1350nm, blood perfusion, melanin concentration, collagen structure and other physiological parameters are inversed based on the radiation transfer theory, a three-dimensional medical image segmentation algorithm is adopted to achieve three-dimensional accurate segmentation of an injury area, a spatio-temporal evolution model is established to predict the injury development trend, and the damage development trend is predicted. The radioactive skin injury can be detected in the subclinical period, the detection time window is advanced by 5.2 days on average, the occurrence rate of severe dermatitis is reduced by 65%, and a basis is provided for clinical timely intervention.
Owner:THE PEOPLES HOSPITAL SHAANXI PROV

Method and system for detecting non-uniform brightness defect of liquid crystal panel

The invention relates to the technical field of liquid crystal panel defect detection, and particularly discloses a liquid crystal panel brightness non-uniform defect detection method and system, an image of a liquid crystal panel in a display mode is obtained by using a photometer, brightness information is captured through a high-precision sensor, and the brightness non-uniform defect of the liquid crystal panel is obtained by using an image segmentation algorithm. In combination with adaptive threshold segmentation, deep learning semantic segmentation and a region growing algorithm, regions with uneven brightness problems are accurately identified and extracted, brightness difference degrees, spatial distribution and time stability are analyzed respectively, corresponding feature indexes are calculated, the feature indexes are integrated, and the brightness difference degree, the spatial distribution and the time stability are calculated. The comprehensive score of each region with uneven brightness is generated through standardized calculation, the regions are divided into slight, medium and serious defects, the method is combined with real-time monitoring, the detection time and parameter setting can be dynamically adjusted, intelligent detection is carried out for different types of uneven brightness defects, the detection efficiency and precision are optimized, and redundant detection is avoided.
Owner:ANHUI SALAER AUTOMATION TECH

A method for identifying and locating damages of masonry building heritage based on computer vision

The present invention discloses a method for identifying and locating damages of masonry architectural heritages based on computer vision. First, based on the information of aerial images, the typical damage forms and location features of masonry architectural heritages are learned by using deep learning methods to achieve automatic and intelligent identification of damages. Secondly, the target recognition network YOLOv5n is improved according to the characteristics of aerial image information to realize Improved-YOLOv5n with higher detection accuracy and faster detection speed. Then, the OTSU multi-threshold image segmentation algorithm based on the genetic algorithm is used to segment the damages, and clear damage edges can be obtained. Finally, the target method is used to eliminate the interference factors that are not conducive to the geometric positioning of the damage edges, and finally the true physical position and geometric information of the damage edges in the plane where they are located are obtained. The damage identification and location method of the present invention has the characteristics of automation and intelligence, and the detection network has a fast detection speed and accuracy.
Owner:SOUTHEAST UNIV

Improved image segmentation method and system

The invention belongs to the technical field of image segmentation, and discloses an improved image segmentation method and system. The invention designs a self-attention mechanism based on Euclidean distance, and puts forward a U-Net image segmentation algorithm based on the Euclidean distance self-attention mechanism by embedding the self-attention mechanism into U-Net. According to the self-attention mechanism based on the Euclidean distance, modeling is conducted on a large-range context information relation by paying attention to the difference degree of information representation between different feature points, then global features are extracted, and the information difference is emphasized. A self-attention mechanism based on the Euclidean distance is introduced into the U-Net, so that the large-range information relation of network modeling can be better guided, and the information difference between feature points is concerned and compared, thereby improving the learning ability of the model to global features and the discrimination ability to similar feature points, making up for the defect of fuzzy segmentation boundary, and further improving the segmentation precision.
Owner:JIANGHAN UNIVERSITY

Radar target scattering center region segmentation method based on local density clustering

The radar target scattering center region segmentation method based on local density clustering first carries out Frost filtering to the original radar image to realize global noise suppression of the image; secondly, the image segmentation is carried out to the Frost filtered image based on the level set method, and the suspected target region of interest is preliminarily obtained; then, the area filtering is adopted to extract the maximum connected domain, and the target region of interest is obtained; finally, the scattering center is detected and the region segmentation is carried out by using the local density clustering algorithm. The radar target scattering center region segmentation method based on local density clustering has high accuracy, and can effectively improve the technical problem that the SAR image is difficult to have high enough resolution in the actual situation, so that the traditional image segmentation algorithm is difficult to segment the region containing only one scattering center.
Owner:CHINA THREE GORGES UNIV

Digestive tract detection drug delivery system

The invention relates to the technical field of alimentary canal diagnosis and treatment, in particular to an alimentary canal detection drug delivery system which comprises an alimentary canal sensing unit for collecting an image, a pH value, a temperature and pathological tissue pathological characteristic data in an alimentary canal cavity; the lesion positioning analysis unit identifies a lesion area through an image segmentation algorithm, constructs a lesion three-dimensional coordinate model according to physiological parameters, prejudges a lesion displacement trend in combination with an alimentary canal peristalsis rule, analyzes a lesion state in stages, and outputs lesion severity; the response type drug delivery module controls the micro drug delivery device to perform targeted release and adjust the drug release rate based on the lesion coordinates and the intracavity environment parameters; the data collaboration platform shares a detection result and a drug administration record through a real-time interaction interface; the curative effect feedback unit is used for collecting physiological index change and patient symptom improvement data after drug administration, judging the drug onset period and possible adverse reactions, and optimizing drug administration parameters and detection frequency. Therefore, the problems of low targeting precision, poor diagnosis and treatment efficiency and the like in the prior art are solved.
Owner:THE FOURTH HOSPITAL OF HEBEI MEDICAL UNIVERSITY (HEBEI CANCER HOSPITAL)

Visual traditional Chinese medicine volatile oil extraction end point judgment method and device

The invention discloses a visual traditional Chinese medicine volatile oil extraction end point determination method and device. The method comprises the following steps: S1, forming an oil droplet image data set; s2, inputting the oil droplet image data set into an image processing unit for image preprocessing; s3, analyzing the preprocessed oil droplet image through a visual analysis system, extracting the contour of the oil droplet by using an image segmentation algorithm, and measuring the diameter of the oil droplet in real time; s4, setting corresponding oil droplet diameter judgment standards according to volatile oil extraction characteristics of different traditional Chinese medicinal materials; when the diameter of the oil droplets reaches a preset value, determining that the volatile oil extraction process is finished, and automatically sending an extraction end point signal; s5, the system automatically stops the extraction process according to the extraction end point signal and records oil droplet diameter data and related parameters in the extraction process; and S6, continuously monitoring the diameter change of the oil droplets by the system through a real-time monitoring function, and automatically judging an extraction end point through a preset diameter threshold value. According to the invention, real-time monitoring and accurate determination of the diameter change of the oil droplets are realized.
Owner:JIANGXI UNIVERSITY OF TRADITIONAL CHINESE MEDICINE +1