423 results about "Category recognition" patented technology

The invention discloses a vehicle type recognition method based on a rapid R-CNN deep neural network, which mainly comprises unsupervised deep learning, a multilayer CNN (Convolutional Neural Network), a regional advice network, network sharing and a softmax classifier. The vehicle type recognition method realizes a framework for implementing end-to-end vehicle detection and recognition by using one rapid R-CNN network in a real sense, and is capable of carrying out quick vehicle sub-category recognition with high accuracy and robustness under the environment of being applicable to the shape diversity, the illumination variation diversity, the background diversity and the like of vehicle targets.

A solution of the invention discloses a multi-feature-fusion Chines-text classification method based on Attention neural network, and belongs to the field of natural language processing. In order to further improve accuracy of Chinese-text classification, the method fully exploits features of text data under three different sizes of convolution kernel granularity through fusing three CNN paths; interconnections among the text data are manifested through fusing an LSTM path; and in particular, relatively important data features are enabled to play a greater role in a Chinese-text class recognition process through merging a provided Attention algorithm model, and thus recognition ability of a model on Chinese text classes is improved. Experiment results show that compared with a CNN model, an LSTM structure model and a combined model of the two parts under the same experiment conditions, the model provided by the invention is significantly improved in Chinese-text classification accuracy, and can be better applied to the Chinese-text classification field with high requirements on the classification accuracy.

Speech recognition utilizing categories and prefixes is disclosed. Categories identify types of recognition and allow different grammars and prefixes for each category. Categories can be directed to specific applications and/or program modules. Uttering a prefix allows users to easily direct text to specific grammars for enhanced recognition, and also to direct the recognized text to the appropriate application/module.

A mobile communication device for application-based class identification is provided with a wireless module and a controller module. The wireless module performs wireless transmissions and receptions to and from a service network. The controller module determines a class of a Machine-to-Machine (M2M) application, and determines a priority level corresponding to the class of the M2M application. Also, the controller module initiates the M2M application via the wireless module according to at least one M2M parameter corresponding to the priority level.

The invention discloses a semantic map construction method based on cloud robot mixed cloud architecture, and aims to achieve a proper balance for improving object identification accuracy and shortening identification time. The technical scheme of the method is that mixed cloud consisting of a robot, a private cloud node and a public cloud node is constructed, wherein the private cloud node obtains an environment picture shot by the robot and milemeter and position data on the basis of an ROS (Read-Only-Storage) message mechanism, and SLAM (Simultaneous Location and Mapping) is used for drawing an environmental geometric map in real time on the basis of the milemeter and position data. The private cloud node carries out object identification on the basis of an environment picture, and an object which may be wrongly identified is uploaded to the public cloud node to be identified. The private cloud node maps an object category identification tag returned from the public cloud node and an SLAM map, and the corresponding position of the object category identification tag on a map finishes the construction of a semantic map. When the method is adopted, the local calculation load of the robot can be lightened, request response time is minimized, and object identification accuracy is improved.

The invention provides a face recognition method and a device. The face recognition method includes a clustering feature extraction step, a determining step, a recognition feature extraction step and a calculation step, wherein the clustering feature extraction step is used for carrying out the clustering feature extraction for a preprocessed face image; the determining step is used for determining a clustering feature category trained and acquired in advance, and the clustering feature category is matched with the face image according to the clustering features extracted from the face image; the recognition feature extraction step is used for extracting the P kinds of the recognition features on the preprocessed face image, wherein the P is a natural number which is greater than one; a calculation step is used for respectively calculating the P kinds of recognition features and the similarity of the corresponding features of the P kinds of recognition features in a face template registered in advance, and determining a best weight combination of the P kinds of the recognition features in the weight fusion according to the determined clustering feature category in the determining step in order to acquire the comprehensive similarity of the face image and the face template. The face recognition method can effectively improve face recognition performance.

The invention relates to the technical field of the Internet, and discloses a mixed-granularity object recognition model training and recognition method and device and a storage medium. The mixed-granularity object recognition model training method comprises: acquiring sample images, determining category labels of the sample images, and the category labels comprising fine-granularity categories and coarse-granularity categories; performing image category recognition training on an initial deep learning model based on the sample image and the category label of the sample image to obtain a pre-training model; and adjusting the fine-grained branch classification module of the pre-training model by taking the feature difference between the enlarged fine-grained categories as a target to obtaina mixed-grained object recognition model. According to the invention, coarse-grained category identification and fine-grained category identification can be carried out in the same network structure,and the accuracy of fine-grained category identification is improved.

The invention discloses an automatic detection and identification apparatus of a concealed object. The apparatus comprises a scanning device, an adjusting module, a segmentation positioning module, a bar and rod combination model generation module, a non-human-body object preliminary detection module, a non-human-body object distribution module and a category recognition module. By using the automatic detection and identification apparatus of the concealed object, the detection and the identification of the concealed object are turned to be automatic from manual, which reduce a usage requirement of personnel, decrease a personal error and shorten detection interpretation time.

The invention discloses an event type recognition method and device. The method comprises the following steps that word segmentation is performed on all texts in a training set, a word vector space model is trained after word class treatment is extracted, text characteristics are extracted, and texts are shown as characteristic vectors; even type clustering is performed on the training set, and a neutral network model with type cluster regularization items is trained; test samples are also analyzed, word class treatment is extracted, and the trained word vector model is trained for obtaining character representations; by means of the neutral network model with the type cluster normalization items, event type recognition is performed. By means of the technical scheme, problems brought by annotation data imbalance are relieved by means of type sharing information in the same group.

The present invention relates to an image object category recognition method and device. The recognition method comprises an off-line autonomous learning process of a computer, which mainly comprises the following steps: image feature extracting, cluster analyzing and acquisition of an average image of object categories. In addition, the method of the present invention also comprises an on-line automatic category recognition process. The present invention can significantly reduce the amount of computation, reduce computation errors and improve the recognition accuracy significantly in the recognition process.

The invention relates to a small sample image recognition method based on deep learning. The method comprises the following steps of 1, dividing a training set; 2, generating a noise image; 3, pre-training a prototype space discrimination network; 4, training a deception image generation network; 5, training a prototype space discrimination network; 6, repeating the step 4 and the step 5 for crossiteration training until preset iteration times are reached or the accuracy is not improved any more; 7, performing image category recognition. According to the method, on the premise that a trainedmodel is not changed, by means of a few labeled samples of each class, through generalization of the rare classes, new classes which are not seen in the training process are recognized, extra trainingis not needed, and the image recognition accuracy is high.

The present invention provides an image recognition method and apparatus. The method comprises the following steps that: pre-collected image samples are adopted to train a prediction image set for predicting image categories, wherein the image samples include the images of a complete target object, the images of a part of the target object and images not containing the target object, and the image categories include a target image category containing the target object and a non-target image category not containing the target object; the prediction image set is utilized to perform image category recognition on a current image so as to obtain an image category prediction result; and whether the current image belongs to the target image category or the non-target image category is judged according to the image category prediction result. With the image recognition method and apparatus provided by the embodiment of the present invention adopted, the accuracy of image recognition can be improved.

The invention relates to the technical field of computers. The invention particularly relates to an image recognition model training method, device and system, and an image recognition method, deviceand system. Each image is recognized according to the initial image recognition model, predicted lesion categories of the image images are respectively obtained, and the predicted lesion category is judged according to an image report associated with each image; the lesion category of each image is marked according to the judgment result; according to the marked image images and an initial training image sample set, iterative training is performed to obtain an image recognition model; and then the lesion category of the to-be-recognized image can be recognized based on the trained image recognition model, and the lesion category recognition result of the to-be-recognized image can be determined, so that iterative training is carried out by utilizing the image report, additional labeling cost does not need to be increased, the iterative rate is improved, and the recognition accuracy can be improved along with continuous iterative updating.

Apparatus, and an associated method, for generating a trouble ticket related to an IT incident. When an IT incident occurs, a worklog is formed by a reporter that enters information associated with the incident. Successive inputs, made by appropriate personnel, are made to update the status of the incident. A table-of-contents is formed, associated with the collection of entries of information. And, each entry of information is categorized, to identify the entry by an associated category.

The invention provides a named entity recognition method based on a neural network and a computer storage medium, and the method comprises the steps: inputting a to-be-recognized character string intoa classification model, recognizing the language intention category of the character string through the classification model, and searching an entity label set corresponding to the recognized language intention category from a preset mapping table; inputting the character string into a named entity model to sequentially identify each character in the character string to obtain probability valuesof a plurality of entity tags to which the words belong in the character string; searching an entity label matched with the entity label of the word contained in the character string from an entity label set corresponding to the language intention category, and aiming at the matched entity label, selecting the entity label of which the probability value ranks top N in the matched entity label setas the entity label of the corresponding character. The incorrect entity tags in the named entity model recognition result are filtered through the language intention category recognition result of the classification model, so that the error recognition rate of the named entity model is reduced.

The invention relates to the food field, in particular to a shell food freshness determination system based on a density model and a method of the system. A freshness weigher contains a two-dimensional code for software recognition, a groove for fixing food, a gradienter, a weighing disc for calculating the mass of the shell food and a positioning circle capable of estimating the size of the shell food. Freshness software (an APP, a wechat number, a microblog number and a cloude program) acquires an image through a phone camera under a normal daylight lamp (the illuminance is 100-160 Lux) and performs category recognition, mass recognition and size estimation of the shell food according to the acquired image. An automatic substituting and judging model has the advantage that intelligentilization, feedback real-time transformation and model control parameters can be updated in real time on the networking condition and is mainly used for real-time detection on the freshness of part of the shell food in daily life. Through resolving of the judging model set, a series of judging values and judging conclusions of the shell food freshness are obtained without needing to measure all specific indexes, and information is transmitted in real time. Judging results are judged through an indication interval with a certain confidence degree.

The invention discloses a Chinese text category recognition system and method for unbalanced data sampling. The method comprises the following steps: firstly employing a text encoder to encode a Chinese text, and forming sentence vector representation; secondly, redundant and noise data are removed by adopting a multi-time DBSCAN clustering algorithm for negative sample data, and a deep learning sample selector is constructed for positive sample data to filter samples and select high-quality sample data to supplement positive samples while the samples are randomly generated; and finally, decoding the selected sample data through a text decoder to form text data, and forming a balanced data set together with the processed negative sample data so as to be applied to a text classification model. According to the method, a mixed sampling method is adopted to process data, particularly redundant data processing is performed on negative samples, a deep learning sample selector is constructedfor positive samples to filter generated samples, a high-quality sample training classifier is selected, and the text classification performance is improved.

The invention discloses a class identification method for a zero sample picture. The method includes constructing a knowledge graph according to the knowledge of the human to represent explicit relationships among the categories; according to the method and the device, the problems of implicit relation learning and fuzzy and uncertain relation between categories in a semantic space are avoided, meanwhile, a residual image convolutional network is constructed and trained for migrating knowledge between the categories, and category recognition is carried out by adopting maximum inner product values, so that the category recognition accuracy of the zero sample picture is improved.

The invention provides a train station intelligent train loading system. The train station intelligent train loading system comprises a belt conveyor, a surge bin, a quantifying bin, a coal chute anda computer. The belt conveyor is provided with a coal quantity online monitoring assembly. The surge bin is provided with a surge bin internal material position monitoring assembly. The quantifying bin is provided with a quantifying bin unloading control assembly, a train carriage category recognition assembly and a train speed online monitoring assembly. A carriage volume and location detection assembly is arranged in each train carriage. A coal chute unloading control assembly is arranged in the coal chute. The above assemblies are connected with the computer. The train station intelligent train loading system can acquire the coal conveying flow in real time and can detect the height of a material in the bin. The computer can determine whether to conduct feeding or not according to the material height data fed back. The train station intelligent train loading system can conduct image capture and carriage number acquisition on the types of train carriages, establish a train loading sample database of each carriage, automatically control opening and closing and the opening degree of a quantifying bin unloading gate, regulate and control the moving speed of a train, automatically control ascending and descending of the coal chute and automatically judge whether the carriages are filled with coal or not.