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62results about How to "Meet identification needs" patented technology

Railway vehicle number identification system and information transmission method

The invention discloses a railway vehicle number identification system and an information transmission method and aims to solve the technical problem of improving the identification rate of an electronic tag of the railway vehicle number identification system. The system consists of an electronic tag programmer, an electronic tag, an electronic tag reader antenna, an electronic tag reader and an upper computer. The method comprises the following steps that: the electronic tag programmer carries out FMO (Flexible Macroblock Ordering) programming on the electronic tag and encoded data is written into a storage; the electronic tag reader transmits carrier waves to irradiate the electronic tag and the electronic tag reflects the data in the storage; the electronic tag reader receives a reflection signal and the reflection signal is demodulated; and FMO decoding is carried out to obtain tag data. Compared with the prior art, due to the adoption of the FMO decoding, the equivalent transmission rate of the tag information in the process of identifying the tag is improved by 4 times, the frequency of transmitting data frames between the reader and the tag is improved, the effective information transmission rate is improved, and the highest adaptation vehicle speed of the electronic tag reaches over 300km per hour.
Owner:INVENGO INFORMATION TECH

Ship water gauge image automatic number reading method based on deep learning algorithm

The invention provides a ship water gauge image automatic number reading method based on a deep learning algorithm. According to the method, the deep learning algorithm is used for performing identification positioning on the number in a ship water gauge image, thereby obtaining a digital number and a frame coordinate in the image, and a digital frame coordinate is corrected. By means of a numberarrangement rule and a human eye number reading principle in the image, a digit combination algorithm based on the human eye number reading principle is designed. By means of image color information of a ship body and water body, a method for identifying a water level in different color body color backgrounds is designed, wherein different identification methods can be selected according to different backgrounds, thereby ensuring high accuracy and high speed in water level identification. According to the position coordinate of the oblique number in each line and the position coordinate of thewater level, a length reference and oblique number correction algorithm is designed; wherein the actual pixel distance between water level and the number is calculated, and percentage of the pixel distance between the water level and the number in the actual length reference is calculated. Furthermore the number of the ship water gauge image is obtained.
Owner:哈尔滨哈船智控科技有限责任公司

Water gauge image water level automatic reading method and system based on Mask RCNN algorithm

The invention discloses a water gauge image water level automatic reading method based on a Mask RCNN algorithm in the technical field of water conservancy informatization water level automatic measuring and reporting, and the method comprises the following steps: (1), installing a camera and a water gauge, recording and confirming four corner point coordinates of each preset point of a dome camera after water gauge imaging, and setting the four corner point coordinates as preset point parameters; (2) acquiring water gauge images of different cameras and correcting the water gauge images in batches; (3) marking a water gauge detection frame for the corrected image, and constructing a training set; (4) obtaining the optimal anchor frame size anchors, adjusting the learning rate and the number of iterations, and starting to train, verify and test the Mask RCNN model to obtain a final model parameter file; (5) deploying a model parameter file trained in the step (4), correcting a picture collected in real time, and predicting a detection box and a segmentation mask; and (6) calculating the water level in combination with the coordinates of the preset point in the step (1); the method can adapt to water gauge image water level automatic reading in a complex environment, and has the advantages of being high in recognition accuracy, wide in application range, high in intelligent degree and the like.
Owner:长沙市盛唐科技有限公司

Identifier processing method, device and system for digital object in hydropower industry

The invention relates to a hydroelectric industry digital object identifier processing method, device and system. The method comprises the following steps: receiving an identifier generation request;when the identifier generation request contains the domain code, determining a newly added meta-class sequence number of the domain code, and allocating a meta-class identifier to the hydropower industry digital object according to the newly added meta-class sequence number; when the identifier generation request contains a meta-class identifier, determining a newly added class sequence number ofthe meta-class identifier, and allocating a class identifier according to the newly added class sequence number; when the identifier generation request contains a class identifier, determining a newlyadded instance sequence number of the class identifier, and allocating an instance identifier according to the newly added instance sequence number; and returning at least one of the meta-class identifier, the class identifier and the instance identifier to the user terminal. By adopting the method, the identification requirement of the hydropower industry field on the digital object can be met.
Owner:SOUTHERN POWER GRID PEAK LOAD & FREQUENCY REGULATION GENERATING CO LTD

Automatic identification adapter for ATE automatic test system and identification method of automatic identification adapter

The invention relates to an automatic identification adapter for an ATE automatic test system and an identification method of the automatic identification adapter. The automatic identification adaptercomprises a processing module, and a cable resistance identification module, a state indication module and a power supply control module which are respectively connected with the processing module, wherein the processing module is used for receiving the ID number of the adapter and then comparing the ID number with the solidified ID number of the adapter so as to judge whether the model of the adapter is matched or not and give a judgment result. According to the adapter for safe connection and reliable test of the ATE test system and the tested product, on one hand, faults of the tested product caused by wrong connection of the adapter and a cable are avoided, and the effect of safety protection of the tested product is achieved; measurement and identification are carried out through theprocessing module, testing of ATE hardware resources is replaced, and occupation of equipment resources is reduced. In addition, the processing module can meet the recognition requirements of variousATE test systems by changing the ID number and the cable resistance value in the solidification program of the recognition module, and has certain universality.
Owner:芜湖天航装备技术有限公司

Double-frequency ultrahigh-resolution depth-sounding side-scan sonar system

ActiveCN113030982AMeet identification needsMeet the needs of wide-coverage scanning tasksAcoustic wave reradiationUltrahigh resolutionTransducer
The invention provides a double-frequency ultrahigh-resolution depth-sounding side-scan sonar system, which relates to the technical field of sonar, can realize depth-sounding side-scan double-frequency-band work, and not only meets a wide-coverage scanning task, but also meets an ultrahigh-resolution identification requirement. The system comprises a double-frequency sonar transducer array used for transmitting a sonar signal with a preset frequency and receiving an echo signal; a sonar electronic extension which generates broadband linear frequency modulation signals meeting the Ping rate requirement, transmits the broadband linear frequency modulation signals to the double-frequency sonar transducer array for signal conversion and emission, and processes echo signals received by the double-frequency sonar transducer array; a control module used for controlling the sonar electronic extension set to work; and a sensor used for monitoring carrier environment data and providing a clock signal for the sonar electronic extension set. The double-frequency sonar transducer array adopts a multi-subarray broadband transducer array, and data of different subarrays are selected for processing and calculation according to needs during depth measurement and side scanning signal processing. The technical scheme provided by the invention is suitable for the underwater measurement process.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

Text recognition method and related device

The invention discloses a text recognition method and a related device. The method comprises the steps of obtaining a text picture, wherein the text picture is a picture comprising a target text; inputting the text picture into a text recognition network for recognition to obtain a target text; enabling each hierarchy of the text recognition network to recognize the target text by using local information and sequence information of the text picture at the same time, wherein the local information comprises structure information of the target text, and the sequence information comprises context sequence information of the target text. According to the method, in the process of recognizing the text picture based on the text recognition network, the local visual information and the context sequence information of the text picture are extracted in parallel, and the local visual information and the context sequence information of the text picture are interactively fused; therefore, the binary information of the text picture can be utilized at each level of the text recognition network at the same time, the problem of text character omission or dislocation in the recognition process is solved, and the accuracy and efficiency of text recognition are improved.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Camera shooting exposure method and device of self-walking equipment

The invention discloses a camera shooting exposure method and device of self-walking equipment. The camera exposure method of the self-walking equipment comprises the following steps: detecting the brightness of a region of interest in a collected image according to a preset rule; when it is detected that the brightness information does not meet the preset condition, adjusting the current exposure parameter; and performing local exposure in the image acquisition process according to the exposure parameters. The camera shooting exposure device of the self-walking equipment comprises an image brightness detection unit which is used for detecting the brightness of a region of interest in an image acquired by an image acquisition device according to a preset rule; an exposure parameter adjusting unit which is used for adjusting the current exposure parameter when detecting that the brightness information does not meet the preset condition; and a local exposure unit which is used for performing local exposure in the image acquisition process according to the exposure parameters. The device can work normally in an environment with insufficient light or darkness. Therefore, under the condition of high reflection along the wall and the ground, the AE under the light supplement lamp can still meet better object identification requirements.
Owner:北京石头创新科技有限公司
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