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76results about How to "Improve image recognition efficiency" patented technology

Image recognition method, device and terminal

The invention relates to an image recognition method, an image recognition device and an image recognition terminal. The image recognition comprises the steps of: acquiring a first class light source image and a second class light source image to be recognized; respectively inputting the first class light source image and the second class light source image to a trained convolutional neural network model, and determining a first feature of the first class light source image and a second feature of the second class light source image; and inputting class parameters corresponding to the first feature and the second feature to a trained classification model to recognize image classes, wherein the image classes are used for indicating whether an object contained in the first class light source image is consistent with an object contained in the second class light source image. By applying the image recognition method, the image recognition device and the image recognition terminal, the first class light source image and the second class light source image are subjected to classification and recognition through the trained convolutional neural network model and the trained classification model, and whether the object contained in the first class light source image is consistent with the object contained in the second class light source image can be recognized quickly and accurately.
Owner:XIAOMI INC

Image identification method based on Spiking neural network

The invention discloses an image identification method based on a Spiking neural network, belongs to the technical field of image processing, and aims to solve the problems of low image identification efficiency and incapability of accurately identifying image features in the prior art. The method comprises the following steps: separating the image features on the basis of a Gaussian differential filtering thought; performing coding with a phase retardation method; and after coding is finished, learning an obtained feature sequence with a Spiking neural network learning algorithm to obtain an identification output result finally. Compared with a conventional Spiking image identification method, the method has the advantages that the image features are refined, local characteristics of images are specifically optimized by means of dimension reduction, integration, separation, extraction and the like, and the Spiking neural network learning algorithm based on a membrane voltage is used, so that the efficiency and accuracy of an identification process are increased. The image identification method is applied to image identification, image classification, image feature extraction and Spiking learning algorithm application, and relates to the fields of machine learning, Spiking neural networks, phase retardation coding and the like.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Image recognition system and method

The invention relates to an image recognition system and method. The method includes the following step of data storage, the step of image recognition, the step of image marginalization, the step of local feature analysis and the step of comparison, wherein in the step of data storage, local features of multiple target images are stored in advance, and a local feature library of the target images is built; in the step of image recognition, images to be recognized are analyzed and extracted in input real-time video streams or streaming medium files; in the step of image marginalization, binary edge images corresponding to the images to be recognized are obtained by means of a dynamic edge analysis method; in the step of local feature analysis, the binary edge images corresponding to the images to be recognized are analyzed, and local features of the images to be recognized are obtained; in the step of comparison, whether the images to be recognized and the target images are similar is determined by comparison through a local feature template, if the images to be recognized and the target images are similar, the images to be recognized are output, and if the images to be recognized and the target images are not similar, the step of image recognition is repeated. By means of the image recognition system and method, image recognition can be efficiently carried out on the real-time video streams or the streaming medium files.
Owner:SHENZHEN TIANYUAN DIC INFORMATION TECH CO LTD

System for preventing full-intelligent computer display screen from being illegally shot by mobile phone

The invention relates to a system and a method for preventing a full-intelligent computer display screen from being illegally shot by a mobile phone. The system mainly comprises a video monitoring sampling module, a main server and an alarm screen locking module. In the video monitoring and sampling module, a micro camera monitors the working state of an operator in front of a computer display screen in real time, samples in real time to obtain a video image, stores the video image in a video memory and outputs the video image; in the main server, an image processing module receives a real-time video image and carries out image processing, a mobile phone detection module receives an image processing result and carries out mobile phone detection, and a mobile phone identification module receives a mobile phone detection result, carries out mobile phone shape identification and outputs a monitoring identification state; it is determined that mobile phone shapes are stored in the criterion library, and the mobile phone shapes are obtained through learning and training of mobile phone images in video storage; in the alarm screen locking module, the alarm module receives the monitoringidentification state, and if the monitoring identification state is that a mobile phone exists, the alarm module sends an alarm signal; and the screen locking module receives the alarm signal and performs screen locking processing on the operating system.
Owner:北京九天翱翔科技有限公司

Target identification method and system based on convolutional neural network algorithm

The invention relates to a target recognition method and system based on a convolutional neural network algorithm, and relates to the technical field of image processing, and the method comprises the steps: S1, a collection module collects a to-be-processed image; S2, a processing module carries out image processing on the to-be-processed image to obtain a target image; S3, a judgment module judges whether the target image meets the requirement or not; and S4, an output module outputs the target image meeting the requirement. When the processing module carries out image processing, the processing module draws a continuous gray scale boundary line for a to-be-processed image according to the gray scale difference, and when the processing module draws the gray scale boundary line, the processing module sets the gray scale difference according to the hue number B of a to-be-acquired target; and the processing module generates a plurality of target areas according to the gray scale boundary lines, sets similar side lines according to the graph similarity C of the target areas and the target image, and then sets target frame lines according to the similar side lines. According to the invention, the image target recognition efficiency is effectively improved.
Owner:南京奕荣芯科技有限公司

Image recognition method and device based on figure fine-grained features

The invention relates to the technical field of image processing, and discloses an image recognition method and device based on figure fine-grained features. The method comprises the steps: obtaininga to-be-recognized figure image; performing feature extraction on the to-be-recognized figure image to obtain a figure feature layer; inputting the figure feature layer into a preset super-column feature recognition model to obtain a corresponding image recognition result; obtaining image recognition accuracy according to the image recognition result; and when the image recognition accuracy is greater than or equal to a preset standard threshold, taking the image recognition result as an image recognition result based on the fine-grained characteristics of the person. Compared with the prior art, when an attention mechanism network is used for image processing, key area information cannot be accurately acquired, and image category cannot be accurately identified; and when the figure feature layer is input into the preset super-column feature recognition model, and the key area of the image can be accurately positioned, so that the image recognition result corresponding to the figure image can be quickly and accurately obtained.
Owner:SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES

Method for determining area where sample graph is located in interface graph and electronic equipment

The invention discloses a method for determining an area where a sample graph is located in an interface graph and electronic equipment. The method and the electronic equipment are used for solving the problem that the area where the sample graph is located is determined inaccurately in the interface graph. According to the scheme, the area where the zoomed sample graph is located is determined inthe target interface graph on the basis of the sample graph, the width and height values of the source graph containing the sample graph and the position of the sample graph in the source graph, wherein zooming is carried out based on the original size of the sample graph, the zoomed sample graph in the target interface graph can be efficiently matched, and the accuracy of determining the area where the sample graph is located is improved. According to the method, the target area graph is intercepted from the target interface graph, and the zoomed sample graph is searched in the target area graph, so that the calculation amount can be reduced, and the efficiency of determining the area where the sample graph is located is improved. Besides, according to the scheme, the target area graph is intercepted by estimating the width and height values of the zoomed sample graph and referring to the estimated width and height values of the zoomed sample graph and the position of the sample graph, so that the zoomed sample graph is contained in the target area graph, and the situation that the intercepted target area graph contains an incomplete zoomed sample graph is avoided.
Owner:北京云聚智慧科技有限公司

Medical image processing method and device based on pathfinder intelligent search algorithm

The invention provides a medical image processing method and device based on a pathfinder intelligent search algorithm, and the method comprises the steps: obtaining an input to-be-processed medical image I (i, j), segmenting the image into n windows, and removing the noise of each of the n windows through median filtering, and obtaining a noise-free image IF (i, j); based on a gray level co-occurrence matrix (GLCM) feature extraction method, extracting texture parameters of the image from the noiseless image IF (i, j), wherein the texture parameters comprise the contrast ratio, the correlation degree, the angle second moment, the inverse differential moment (IDM) and the entropy between adjacent pixels, and GLCM features are constructed; extracting important texture features from the constructed GLCM features by using a pathfinder intelligent search algorithm; and inputting the extracted important texture features into a trained kernel extreme learning machine KELM to obtain classification and recognition results of the to-be-processed medical images. According to the scheme of the invention, the accuracy of ultrasonic image recognition can be improved, and the efficiency of ultrasonic image classification and image recognition is improved.
Owner:SHENZHEN INSTITUTE OF INFORMATION TECHNOLOGY
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