49results about How to "Narrow down the range of recognition" patented technology

Embodiments of the present application provide a new word recognition method, apparatus, computer device, and computer-readable storage medium. The method comprises the following steps of: acquiring atext corpus; according to a preset sentence endpoint, dividing the text corpus into pieces with a length of 2-N is a natural number, N >= 2; judging whether a candidate word satisfies a preset condition; determining a candidate word as a candidate new word if the candidate word satisfies a preset condition; judging whether the candidate new words are included in the preset vocabulary; and determining the candidate new word as a new word if the candidate new word is not included in the preset vocabulary. Embodiments of the present application are based on natural language processing, and textcorpus is accurately segmented through preset sentence endpoints to obtain candidate words, thereby improving segmentation accuracy, identifying new words through identifying candidate words and candidate new words, and effectively improving accuracy and efficiency of new word discovery.

The invention discloses an image positioning method and device, a storage medium and a program product. The method comprises the following steps that: determining at least one matching area matched with an image template from an obtained picture; according to the at least one matching area, determining a target area; according to a feature matching algorithm, extracting first feature information in the target area; according to a preset identification condition and the distribution feature of the first feature information in the target area, determining at least one effective area in the target area; and according to the distribution features of the feature information in at least one effective area, determining a result image. By use of the scheme, efficiency for identifying a specific type of pictures can be effectively improved, and accuracy for identifying the specific type of pictures can be improved.

The invention relates to the field of teaching, and discloses an online classroom video knowledge point identification method and device, which can accurately identify all knowledge points contained in a classroom video. The method comprises the following steps: determining a knowledge point domain of a classroom video; acquiring a classroom video, which comprises a teaching courseware part and ablackboard writing part; for the teaching courseware part, dividing the teaching courseware part into multiple sections of videos according to courseware page switching time points, and identifying afirst set of knowledge points contained in each section of video based on the knowledge point domain; for the blackboard writing part, dividing the blackboard writing part into multiple sections of videos according to blackboard writing updating time points, and identifying a second set of knowledge points contained in each section of video based on the knowledge point domain; dividing the audio corresponding to each section of video into a plurality of audio clips according to audio pause points, and identifying a third set of knowledge points contained in each audio clip based on the knowledge point domain; and calculating a set of the knowledge points contained in the classroom video according to the first set, the second set and the third set.

The invention relates to a character information identification method for a medical image and a device thereof. The method comprises the steps that input of selecting a character area of an operator on the medical image is received, and the character area under character information identification is confirmed according to the input; image preprocessing operation is performed on the character area so that non-character information is removed and a clean character image is obtained; the character image is cut so that characters are split out and single character images are obtained, and the obtained single character images are identified so that preliminarily identified characters are obtained; the preliminarily identified characters are corrected; and the corrected identified characters are verified according to the preset verification conditions so that unreasonable and illegal identified characters are removed, a verification result is outputted, and the verification result includes the verified identified characters. The identification range is reduced according to the received input of the operator, identification efficiency is enhanced, and the preprocessed and preliminarily identified characters are corrected and verified so that identification accuracy is further enhanced.

The invention discloses a peripheral visual field danger identification method based on human vision and machine vision coupling. The method is characterized by firstly, according to an eye tracker experiment, acquiring driver eye moving data, and extracting a coordinate point area reflecting that a driver visual line type is stare; then, carrying out three standard area division based on human eye imaging principle on a camera image, comparing a driver stare point area with standard division areas, and removing the standard division area where the stare point area belongs; and finally, processing the two remaining standard division areas according to a priority, and identifying whether an object is moving and determining whether the object is dangerous to a vehicle. A multi-target dangeridentification problem in the front visual field of a driver is solved, an image identification range is reduced; and priority processing is performed on the peripheral visual field area, the monitoring of a key area is reinforced, and real time image processing efficiency is increased.

The invention discloses a garage access control system based on a passive RFID and face recognition technology. The garage access control system comprises a passive RFID device, an image acquisition device, an output device and a control device. A passive RFID card is fixed to an automotive chassis, multiple buried sensing antennae are adopted for recognition, and multiple optional face recognition schemes are combined, so that the garage access control system is low in cost, convenient to use, safe and anti-theft.

The invention provides a real-time monitoring system and a monitoring method thereof. The monitoring system comprises a video recording module, which is used for acquiring video data of passengers boarding the bus; a voice module for alerting passengers to get off and issuing an overload alarm; a storage unit for storing passenger file data; a detection and recognition unit connected with the video recording module, the voice module and the storage unit through optical fiber, receives the video data and combines the passenger file data, performs image preprocessing, face detection and recognition, population statistics and target tracking, and sends the control information to the voice module at the same time. The monitoring system can automatically detect the number of passengers on and off the bus and count the passenger information on the bus, monitor the number of passengers on the bus in real time, judge whether the bus is overloaded and send out an alarm, improve the safety of the bus, and obtain the travel data of the city residents; the monitoring method avoids the interference of background changes, and is accurate, efficient and real-time.

The invention relates to the field of encrypted flow identification, in particular to a VPN flow identification method based on SSL encryption. A Bit-level DPI fingerprint generation technology is adopted to identify SSL flow aiming at the problem of higher missing identification rate of the traditional SSL encrypted flow fingerprint identification method, and a bit signature is generated througha specific rule after preprocessing data, the running length of the bit signature is coded, an SSL state conversion machine is generated by using the coded bit signature to identify SSL flow, SSL VPNflow is identified by using a bidirectional GRU network flow identification model based on an attention mechanism on the basis of the identified SSL flow, and the SSL VPN flow is sent to the SSL stateconversion machine. The method at least comprises the steps of data set acquisition, data preprocessing, Bit-level DPI fingerprint generation, SSL flow identification, SSL flow set data preprocessing, SSL VPN encrypted flow identification and index result analysis.

The invention discloses an information processing method and electronic equipment. Firstly, M images are determined on the basis of parameter information, the M images at least comprise one first image, then non-facial feature information in images to be recognized is extracted, the non-facial feature information and the feature information of a first object are compared, and when comparison results show that the non-facial feature information and the feature information of the first object are matched, first identification is used for calibrating areas to be recognized. According to the technical scheme, the problem that multiple factors influence recognition accuracy is solved, the characteristics that the non-facial features of an object to be recognized are fewer in change and high in consistency under the conditions of being in similar time range or at an identical shooting spot are utilized, the purpose of recognizing the object is achieved through comparison of the non-facial feature information and the feature information of the first object, the technical problem that the multiple factors influence the recognition accuracy in the prior art is solved, and the information processing method and the electronic equipment have the technical advantages of being high in recognition rate, stable in recognition accuracy and high in recognition accuracy.

The invention discloses a method and system for recognizing texts in an image. The method comprises the steps: firstly extracting N text positioning regions in a to-be-recognized image through a textdetection model, and correspondingly obtaining N to-be-merged text positioning boxes; wherein each to-be-merged text positioning box is a region contour of a corresponding text positioning region in the to-be-identified image; according to the vertex coordinates of each to-be-merged text positioning box, merging all the to-be-merged text positioning boxes to obtain K to-be-detected text positioning boxes; wherein N > = K > = 1; based on the text recognition model, recognizing texts in all to-be-detected text positioning boxes to obtain to-be-detected texts; comparing the to-be-detected text with keywords in a preset violation keyword dictionary to obtain an recognition result corresponding to the to-be-identified image; according to the technical scheme, the accuracy and the recognition efficiency of text recognition in a complex image can be improved.

The invention discloses an image recognition method, device and equipment and a computer readable storage medium, and the method comprises the steps: setting the unit duration according to the numberof actual object frames, enabling the unit duration to be more suitable for a current scene, and enabling the unit duration not to be set to be too long or too short; obtaining the external voice information and / or the monitoring focus event in the unit time, and screening out the target object box based on the external voice information and / or the monitoring focus event, so that the target objectbox which a user wants to recognize currently can be selected according to actual conditions, the recognition range is narrowed, and the workload of recognition tasks is reduced. The target object image is subjected to duplicate removal, so that the workload of an identification task is further reduced, resource waste and time consumption caused by repeated identification of the same content areavoided, and the identification efficiency of the target object image subjected to duplicate removal can be improved.

The invention discloses an image data target recognition enhancing method based on a data map, an information map and a knowledge map, mainly aims to solve the problem that existing image recognitionmethods cannot recognize, train and centralize images with types unmarked and belongs to the technical cross field of distributed computing and software engineering. The method includes: starting froman existing image type recognition result based on an in-depth learning method, establishing a three-layer map according to known image resources; subjecting unrecognized image type to feature matching on the data map to obtain an initial matching result; subjecting recognized image type to relation matching on the information map to obtain an intermediate matching result; performing indirect interaction relation matching in the knowledge map, calculating credibility of the intermediate matching result, ranking, and recommending the matching image type with highest credibility to a user.

The invention relates to the field of fatigue driving detection. The invention aims to provide a fatigue driving early warning system based on image processing. The system comprises an acquisition module, a processing module and a display module, wherein the acquisition module inputs an image of a driver and transmits the image to the processing module; wherein the image contains facial features of a driver; and the processing module performs human eye positioning on the facial features in the image and acquires eye feature data of the driver, obtains an eye closing percentage by performing closing frequency detection on the eye feature data, obtains a fatigue degree of the driver according to the eye closing percentage of the driver, and displays the fatigue degree through the display module.

The invention provides an image wireframe recognition method and a server, which are applied to the technical field of image recognition. The method comprises the steps of after obtaining an original image comprising a to-be-recognized wireframe, correcting the original image to obtain a target image, and the to-be-recognized wireframe in the obtained target image being in a preset standard size; then obtaining a sub-image comprising the to-be-recognized wireframe from the target image based on the preset standard size, the size of the obtained sub-image being smaller than the size of the target image, further recognizing all candidate lines in the sub-image, determining wireframe side lines in all the candidate lines, and finally determining the to-be-recognized wireframe based on the wireframe side lines. According to the method, the size of the sub-image finally used for wireframe recognition is smaller than that of the target image, due to the fact that the recognition range is reduced, the influence of a part of interference lines in the original image can be eliminated, the recognition accuracy can be improved, meanwhile, due to the fact that the recognition range is reduced, the image content needing to be processed can be reduced, and the recognition efficiency can be improved.

The embodiment of the invention discloses a human body recognition method, device and equipment and a computer readable storage medium. The method comprises the following steps: acquiring a temperature image of a target human body and a left-eye view image and a right-eye view image corresponding to the target human body; obtaining a depth image of the target human body according to the left-eye view image and the right-eye view image corresponding to the target human body; processing the temperature image of the target human body and the depth image of the target human body to obtain a targetimage; and recognizing the target image according to a pre-trained human body recognition model. According to the invention, the non-limb area is directly excluded through the temperature image of the target human body; the method is advantaged in that non-human body identification is avoided, the range beyond the preset distance is eliminated through the depth image, the recognition range is reduced, problems of low efficiency and low error-tolerant rate of color-based recognition can be effectively solved, recognition accuracy is improved, extra equipment support is not needed, and cost isreduced.

The embodiment of the invention provides a bus lane occupation vehicle-mounted snapshot processing system based on 5G communication, and the system is characterized in that an image collection unit collects an original image; an image analysis unit analyzes a first target image from the original image; a license plate recognition unit recognizes complete license plate information from the first target image; the image analysis unit analyzes a second target image from the original image; and the license plate recognition unit recognizes complete license plate information from the second target image. According to the embodiment of the invention, the license plate information of the social vehicles occupying the bus lane is identified as little as possible, the data volume of the snapshot processing of the social vehicles is reduced, and the consumption of system resources is reduced. In addition, under the condition that license plate information of social vehicles occupying bus lanes is recognized as little as possible, the license plate recognition range can be expanded to non-bus lanes, and therefore the integrity of license plate information recognition is improved.

The invention discloses a deep learning remote sensing image vessel target identification method based on threshold constraint, and the method comprises the following steps: (1) carrying out the threshold segmentation of a remote sensing image through an OTSU threshold segmentation method, and achieving the sea-land separation; (2) extracting shape features of the remote sensing image; (3) on the basis of a deep learning YOLOv5 algorithm, carrying out multi-scale connection fusion on the pyramid network structure at the bottom layer; (4) aiming at the characteristics of the remote sensing image ship target, designing an anchor frame according to the shape characteristics of the remote sensing image ship target; (5) introducing focusing classification loss as a loss function of a YOLOv5 algorithm to carry out regression convergence; (6) on the basis of an improved YOLOv5 algorithm, inputting a vessel sample for training to obtain a model; and (7) carrying out vessel target identification on the remote sensing image according to the trained model. The method optimizes the anchor frame and the loss function according to the shape features of the vessel, improves the generalization performance of the model, and improves the recognition precision of the vessel.

The invention discloses a gesture recognition method, device and equipment and a readable storage medium, and the method comprises the steps: obtaining a to-be-recognized human body image, and determining a face region in the to-be-recognized human body image; and based on the face area, determining a gesture position prediction area in the to-be-recognized human body image so as to perform gesture recognition in the gesture position prediction area. The face image area of the current to-be-recognized human body image is recognized instead of human body detection, so that the situation that the detection range is unstable due to the fact that the human body is in a non-standing state at the moment or is shielded by other objects is avoided; the possible gesture position prediction area ofthe gesture is speculated according to the face image area, so that the recognition range during single detection and recognition of the image is reduced, the calculation amount of gesture recognitionoperation is greatly reduced, system jamming easily caused when multiple recognition objects are recognized at the same time is avoided, and meanwhile, the recognition accuracy is also improved.

The invention discloses a high-permeability strip judgement method based on HALL curves. The method comprises the following steps that S1, a double logarithmic curve of a water-oil ratio WOR, a water-oil ratio differential coefficient WOR' and production time of an oil well is drawn; S2, according to the double logarithmic curve, a water channeling type is identified, and a well group area where ahigh-permeability strip possibly exists is found out; S3, the HALL curves are drawn for all water injection wells in the well group area which is found out; S4, a typical HALL curve is determined, and the HALL curves of the actual water injection wells are compared with the typical HALL curve; when the HALL curves of the water injection wells deviate from the typical HALL curve and are lower thanaverage HALL curves of other wells, the water outlet type of the oil well controlled by the water injection well is judged as the high-permeability strip water outlet type. The invention aims at providing the high-permeability strip judgement method based on the HALL curves. The problem that whether or not abnormal water outlet is caused by the high-permeability strip is difficultly determined inthe prior art is solved. The aim of improving the identification accuracy of the high-permeability strip is achieved.

A human ear identifying-method under complicated background includes obtaining image series of human body side surface containing human ear according to different application occasions, picking up human body image from complicated background and carrying out accurate positioning on human ear to obtain a minimum rectangular region of human ear image, making rough classification on potential trap numbers picked up from human ear image by using field conversion algorithm and using watershed algorithm to pick up edge of human ear, picking up human ear characteristics from said edge information for realizing final identification based on rough classification.

The invention discloses a garage access control system based on passive RFID and face recognition technology, which includes a passive RFID device, an image capture device, an output device and a control device. The system fixes the passive RFID card on the chassis of the car, recognizes it through multiple buried induction antennas, and combines multiple sets of optional face recognition solutions to realize a low-cost, easy-to-use, safe and anti-theft garage access control system.

The present invention provides a method and device for establishing a face detection model and face recognition. The method for establishing a model includes: collecting face data as a positive sample, and collecting image data that does not contain a face as a negative sample; The positive sample and the negative sample are converted into polar coordinate system data; the polar coordinate features of the positive sample and the negative sample are respectively extracted from the polar coordinate system data; the classifier is trained by using the polar coordinate feature to obtain Face detection model. In this scheme, as long as the coordinate rotation angle of the image to be detected is determined, the rotated face in the image can be detected, and a rich face detection model can be obtained through simple operations, which not only increases the function diversity of the face detection model but also improves the Detection accuracy, when performing face recognition, using the skin color threshold range to distinguish colors reduces the recognition range, reduces the amount of data calculation, and avoids the problem of lower detection data accuracy caused by image rotation.

The invention discloses a target hand analysis method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a to-be-recognized image in a to-be-detected area; determining a first suspected target according to the to-be-recognized image and a preset hand contour; if the first suspected target belongs to the human body area, determining the first suspected target as a second suspected target; and if the gesture of the second suspected target accords with the preset gesture, determining that the second suspected target is a target hand. According to the embodiment of the invention, the target hand is determined by judging whether the target conforms to the preset gesture or not, and misrecognition caused by the fact that some objects are similar to the hand contour is avoided.

The invention provides an electronic nose-based odor recognition method, system and alarm system. The odor recognition method includes: obtaining the response value data of each gas sensor at different sampling points; judging whether at least one gas sensor has a peak characteristic according to the response value data of different sampling points; Timing, every preset time period Δt to judge whether other gas sensors have peak characteristics; according to the gas sensors with peak characteristics at each moment, determine the gas that must be included or not necessarily contained in the target odor at the corresponding moment, so as to Determine the target gas set that must contain or must not contain the gas from a variety of gas sets; select a classification algorithm according to the target gas set, and determine the gas of the target gas from the target gas set according to the selected classification algorithm type. The solution of the invention can quickly and accurately identify the gas type.

The invention discloses a method for recognizing animal categories through voice, which comprises a voice input module, a voice analysis module, a microcontroller module and a voice database module, and is characterized in that the voice analysis module is respectively connected with the voice input module and the microcontroller module, and the microcontroller module is connected with the voice database module. According to the animal sound recognition method provided by the invention, after most sound of the animal boundary is stored, the content of the sound can basically cover all animal types, and according to the classification mode of the border line, all types to which the animals belong can be directly output and recognized after the animals are accurately recognized, so that the recognition accuracy is improved.

The embodiment of the invention discloses a content data processing method, a report data processing method, computer equipment and a storage medium. A picture is extracted from the video, the target area of the content data in the picture is firstly positioned, and the content data is further recognized in the target area, so that on one hand, the recognition range can be narrowed, the recognition speed can be improved, on the other hand, other redundant information does not need to be recognized, and recognition accuracy can be improved. The content data and the audio data are further associated, and the associated content data and audio data are provided, so that the content data and the audio data can be conveniently combined for common use, part of the content data and the corresponding audio data can be selected, and rapid use of the key content data is facilitated.

The invention provides an automatic detection system and method for an engineering machinery fault display instrument. The automatic detection system comprises a fault simulation sending module, a camera module, a computer software module and a communication module, the computer software module is in data communication with the fault simulation sending module and the camera module through the communication module, and the fault simulation sending module is connected with a detected instrument through the communication module. The fault display instrument can be automatically detected, and a detection report can be generated; the camera module and an improved character recognition algorithm improve the recognition rate and recognition speed of characters, recognition data and detection results are stored locally, and a detection result document is automatically generated, so that the data are traceable, and the results are easy to export.

The invention discloses an image processing method of ultrasound images, ultrasound equipment and a storage medium. The image processing method includes: obtaining a target ultrasound image of a to-be-detected target, wherein the target ultrasound image at least includes a region-of-interest; performing image recognition on the region-of-interest in the target ultrasound image to determine a healthy area and a lesion area; and performing image mark processing on the lesion area, so as to track the lesion area. Through the method, the recognition efficiency of the lesion area can be enhanced, and the positioning accuracy of the to-be-detected target can be increased as well.

The invention discloses an identification method based on facial intelligent scanning, which includes a front image acquisition unit, a side image acquisition unit, a positioning unit, a height acquisition unit, a transfer module, a temporary storage module, a database, a mobile terminal, a controller, and a display module , an alarm module, the front image acquisition unit and the side image acquisition unit are connected to a transfer module, the transfer module is connected to a temporary storage module and a controller, the controller is connected to a temporary storage module, a database, a display module, an alarm module and an execution module, and the database A mobile terminal is connected. The present invention updates the replacement stored image information PO in the database every other cycle T, updates the user's facial information in the database in time, reduces the influence of age, hairstyle and user weight changes on the recognition results, and controls the acquisition of facial image signals through the positioning unit The height of the camera is close to the height of the user, reducing the impact of the shooting angle on the recognition results.