33results about How to "To achieve the purpose of tracking" patented technology

The embodiment of the invention discloses a tracking method and a related product. The tracking method comprises the steps: acquiring a first tracking object set of a preset detection area and a firstdetection image of the preset detection area, wherein the first tracking object set comprises at least one tracking object and tracking information of each tracking object in the at least one tracking object; and for the at least one tracking object in the first tracking object set, executing an image search operation and a position update operation according to the first detection image to obtain an updated first tracking object set. Therefore, through the embodiment of the invention, multiple tracking targets can be tracked quickly and accurately, and the real-time requirement during tracking is met.

The invention discloses a visual tracking method, a visual tracking device, an UAV(unmanned aerial vehicle) and a terminal device. The method comprises the following steps: obtaining image data of a designated area comprising a tracked object at present and operating parameters of a tracking object; based on the obtained image data of the designated area comprising the tracked object at present, obtaining possible tracked objects in the designated area and generating a tracked object library to select the tracked object; when judging that the tracking object is in relative motion with the selected tracked object, establishing a motion estimation model of the tracked object based on image features of the tracked object in the image data; and based on the motion estimation model, predicatingthe position of the tracked object in the image data of the designated area at the next moment and image features to control the tracking object.

The invention relates to a solar tracking oriented one-dimensional driving two-dimensional output robot mechanism. The invention provides the solar tracking oriented one-dimensional driving two-dimensional output robot mechanism which comprises a bracket, a solar component mounting plate, a cam, a motor, a first rotating shaft and a one-way coupler, wherein the motor is arranged on the bracket; the motor is connected with the cam through the one-way coupler; the motor is connected with the first rotating shaft; one end of the solar component mounting plate is hinged with the first rotating shaft; the other end of the solar component mounting plate is in contact with and butt-jointed with the cam; and the motor is connected with the solar component mounting plate through the first rotatingshaft and is used for driving the solar component mounting plate to rotate around the edge of the cam. The solar tracking oriented one-dimensional driving two-dimensional output robot mechanism has the beneficial effects that: one motor input is converted into two rotating shaft outputs, the solar motion is tracked and a sunlight receiving surface of a solar component is vertical to the sunlight under a working state, so that the total volume of absorbed energy is increased, the cost is lower and the reliability is higher.

The invention discloses a crankshaft follow-up grinding online measuring instrument which comprises a measuring instrument base. A swing arm support is borne on the measuring instrument base in a sliding manner. A measuring swing arm is hinged to the swing arm support. A swing arm oil cylinder is connected between the top end of the oil cylinder support and the measuring swing arm. A center fixed gear is fixedly arranged at the stretching end of the measuring swing arm, a following swing frame is further mounted on the stretching end of the measuring swing arm, and a planet swing gear mounted at the output shaft end of a following swing motor is engaged with the center fixed gear. A measuring tool support is fixedly mounted on a measuring tool following swing arm, two measuring clamping blocks and a displacement sensor are mounted on the measuring tool support, the two measuring clamping blocks are located on two inclined face of a V-shaped base level correspondingly, the displacement sensor is located on the symmetric line of the V-shaped base level, and the inclined included angle alpha of the V-shaped base level is equal to 68 degrees to 72 degrees. The crankshaft follow-up grinding online measuring instrument can achieve real-time online measurement and is high in detecting sensitivity and machining precision.

The invention discloses an intraocular pressure tracking measuring instrument which can reduce harm to eyeballs and is convenient to use. The intraocular pressure tracking measuring instrument comprises an eyeshade body and one or two probe assemblies which are fixedly arranged on the eyeshade body and correspond to eyes of a subject, a inflatable air bag is arranged in the eyeshade body, at leastpart material of the eyeshade body is a flexible material to deform after the air bag is inflated so as to allow the air bag to push the one or two probe assemblies to move to exert pressure to eyeballs, and each probe assembly comprises an ultrasonic sensor for detecting whether tops of the eyeballs are pressed to be flat and a pressure sensor connected with the ultrasonic sensor.

The embodiment of the invention discloses an information transmission tracking method. The method comprises steps: based on first address information acquired by user equipment, first unique identification code information for characterizing a transmission identification code of the first information is acquired, wherein the first information is the information acquired by the user equipment via the acquired address information; and according to the first unique identification code information, first group user information formed by other user equipment except the user equipment corresponding to the first information is acquired, and an information transmission trajectory based on the first information is acquired. The embodiment of the invention also discloses an information transmission tracking device.

Solar concentrating heat-driven automatic tracking device, the purpose of which is to use the energy provided by solar heat to drive the device to track changes in the sun's position, improve tracking accuracy, and reduce tracking costs. A solar concentrating device is installed in the middle or around the solar receiver (1). The optical device (2) is provided with a heat collecting tube (14) at the focus or focal line position of the solar concentrator (2), and a thermal expansion tube (13) is arranged inside the heat collecting tube (14), and a thermal expansion tube (13) is arranged inside the heat collecting tube (14). A light-reflecting layer (12) is wrapped on the outside, and small holes or fine grooves (22) are opened on the position where the light-reflecting layer (12) faces the solar concentrator (2), and the thermal expansion tube (13) passes through the pressure guiding tube (8 ) communicates with the inner cavity of the hydraulic cylinder (9), and the inner cavity of the thermal expansion tube (13), the pressure guide tube (8) and the hydraulic cylinder (9) is filled with thermal expansion fluid medium (15), and the hydraulic cylinder (9) One end is connected with the second bracket (10), and the other end is connected with the displacement angle conversion device (5).

The present invention relates to a robust lane line detection method based on a dynamic region of interest, comprising the following steps: S10, initializing the dynamic region of interest of the lane; S20, dividing the region of interest of the lane line in the current frame from near to far into a straight line recognition area and a curve recognition area; S30, perform pre-extraction of lane line edge feature points for the straight line recognition area and curve recognition area, and then obtain straight line lane parameters in the straight line recognition area and curved lanes in the curve recognition area through a fitting algorithm Parameters, draw the fitted lane line; S40, according to the fitted lane line parameters of the current frame, use Kalman filter to predict the dynamic region of interest DROI in the image of the next frame. The present invention is based on DROI, adopts RANSAC algorithm, can effectively extract the inner edge information of the lane line under complex working conditions, and the anti-interference and accuracy of the method have obvious improvement and improvement; at the same time, Kalman prediction and inter-frame correlation are used constraints for real-time, robust lane line tracking.

The purpose of this application is to provide a method and device for determining the business execution link in the distributed system, by creating a workflow instance corresponding to the business to be executed in the distributed system; during the execution of the workflow instance Record the corresponding execution log; determine the execution link of the business according to the execution log, and realize the tracking of the distributed system link, so as to count the end-to-end calls of the distributed system based on the execution link of each business relationship, in order to achieve the purpose of tracking the distributed system links, and to determine the execution link of the business based on the workflow-related identification information and call nesting relationship information in the execution log, so as to analyze the execution link based on the business The execution path of the distributed system is obtained, and the end-to-end call relationship in the distributed system is counted.

Disclosed are a method and a device for tracking a linear variable bandwidth clock in an OTN network, which belong to the field of optical transport networks. The method comprises: an intermediate node receiving a high order optical data unit HO-ODUk and reading a bandwidth adjustment identifier BWR_IND in the HO-ODUk, the BWR_IND being used to indicate a bandwidth adjustment status of a flexible rate optical data unit ODUflex; and the intermediate node compensating for a linear variable bandwidth clock of the intermediate node according to the bandwidth adjustment status of the ODUflex and a preset bandwidth variation rate of the ODUflex. The device comprises: a receiving module and a compensation module.