12results about How to "Improve tracking efficiency" patented technology

The application discloses a kind of star tracking methods, comprising the following steps: S100, satellite signal is tracked by linear scanning, and automatic star device is adjusted according to the satellite antenna of provided theory star angle, and visual angle scanning is carried out;S200, satellite signal is tracked twice by cross scanning, and based on the theory star angle of S100 acquisition, visual angle scanning is driven to automatic star device and micro antenna;S300, if satellite signal is tracked in S100 linear scanning process, its corresponding antenna returns starting point;If satellite signal is tracked in S200 cross scanning process, its corresponding antenna keeps signal tracking state;Linear scanning is combined with cross scanning, it is solved that star efficiency is low, linear scanning is more strict to field environment requirement, if it is not straight line, but curve, cross scanning can improve satellite signal tracking efficiency, star time is shortened, fault tolerance is high.

The application discloses a graphics processor, a ray tracing method, an electronic device and a computer storage medium. The graphics processor comprises a ray distribution assembly unit, which determines a shader type and an SBT record index corresponding to a ray according to hit information output by a ray tracing core, allocates an SBT slot to rays with the same SBT record index and shader type, and initiates a prefetch request to a ray thread constructor at a moment before a thread start trigger condition of the SBT slot is met; the ray thread constructor determines a storage address of a shader record corresponding to the SBT slot in response to the prefetch request, reads, from a storage unit, shader record data corresponding to the SBT slot based on the storage address in a case where the SBT cache area is not written with the shader record data corresponding to the SBT slot, and writes the shader record data into the SBT cache area. According to the embodiment of the application, the thread start efficiency can be improved.

The application relates to a cross-lens multi-target tracking method and device based on skeleton similarity and a medium, wherein the method comprises the following steps: reading in multiple camera data streams, simultaneously storing two video streams in a storage queue, taking the streams frame by frame from the storage queue, and obtaining a first picture and a second picture shot by two cameras at the same time; performing head positioning on the first picture and the second picture to obtain appearance features and center coordinates, and performing skeleton extraction to obtain joint skeleton postures; taking the appearance features and the center coordinates as inputs of a target tracking model, and performing same-region target ID matching; when it is detected that the first picture enters an overlapping region of the second picture, calculating skeleton posture similarity and center coordinate Euclidean distance, and realizing cross-region target ID matching during region switching by linearly weighting and combining the two. Compared with the prior art, the application has the advantages of improved tracking accuracy and robustness.

This disclosure relates to an obstacle tracking method, apparatus, and electronic device. The method includes: acquiring 3D bounding box information of various objects surrounding a vehicle at the current time point, and 3D detection bounding box information of various obstacles surrounding the vehicle at various historical time points; for each obstacle, inputting the 3D detection bounding box information of the obstacle at various historical time points into the obstacle tracking filter to determine the 3D prediction bounding box information of the obstacle at the current time point; determining the obstacle to which each 3D bounding box information belongs based on the 3D bounding box information and the 3D prediction bounding box information of each obstacle at the current time point, for updating the tracking filter of each obstacle, and determining the updated 3D prediction bounding box information of the obstacle at the current time point, thereby performing obstacle tracking processing. This method enables 3D obstacle detection in multiple shooting device scenarios, improves obstacle detection efficiency, and thus improves obstacle tracking efficiency.

The application relates to the technical field of video image processing, and discloses a parcel forbidden article tracking method and device based on a video, equipment and a medium. The method comprises the following steps: acquiring a security check video and obtaining a corresponding image; target features determined by length features and angle features are extracted in a previous frame image; based on the target features, matching detection is performed in a current frame image; a current offset prediction value and a current offset detection value are determined; based on the current offset prediction value or a fusion result, an actual position of a target forbidden article in the target parcel in the current frame image is output, and the parcel forbidden article tracking based on the video is completed. The device, the equipment and the storage medium correspond to the method. The application solves the technical problem that the same parcel target in multiple frame images cannot be associated, the detection result is fragmented, the whole-process track of the forbidden article from appearance to removal in the security check instrument cannot be tracked, and the precision management and control and the rapid disposal efficiency of the security check process are limited.

The application discloses a sample storage management method and a sample management system, and belongs to the technical field of computers. The method comprises the following steps: in response to obtaining the storage information of at least one sample box, associating the box label of each sample box with the sample label of each sample included in each sample box, wherein the storage information comprises sample association information and attribute information of the sample box, the sample association information comprises the box label of the sample box and the sample label of each sample included in the sample box, and the attribute information comprises the position attribute, the environment adaptation attribute and the storage attribute of the sample box; determining the target box position node matched with each sample box based on at least one of the position attribute, the environment adaptation attribute and the storage attribute of each sample box; binding the box label of each sample box with the box position label of the matched target box position node, forming a unique association, and updating the storage state of each target box position node and the corresponding ancestor node to an occupied state.

A base station apparatus acquires, for a cell formed by the base station apparatus, a list of area identifiers belonging to a tracking area the same as that of the cell and information of an area identifier of a neighbor cell adjacent to the cell, determines whether or not the area identifier of the neighbor cell is included in the list, and notifies a terminal apparatus of information in which information of the neighbor cell and a result of the determining are associated together.

This invention relates to the field of photovoltaic power generation technology and discloses a method and system for maximum power point tracking (MPPT) under complex lighting conditions. The method includes: setting several complex operating condition categories for the photovoltaic array and constructing a MPPT model based on all complex operating condition categories; acquiring real-time monitoring data, determining the real-time operating condition category, and generating a real-time tracking strategy in conjunction with the MPPT model; generating a feedback data packet, determining application difference characteristics based on the feedback data packet, and evaluating the application effect to obtain a real-time application evaluation value; generating a correction strategy for the real-time tracking strategy based on the real-time application evaluation value and a preset correction strategy library, and issuing correction instructions until the global maximum power point is located, thereby improving tracking accuracy and efficiency, and significantly improving the power generation efficiency and stability of the photovoltaic power generation system in complex environments.

The application relates to a target tracking method, device, system, computer equipment, storage medium and program product. The method comprises the following steps: determining at least one candidate target in a scene image collected by an image collection device according to preset feature information of a target outer frame, judging whether the candidate target is a target target according to coding information of the candidate target, and then determining pose information of the target target relative to the image collection device according to pixel coordinates and space coordinates of a target point in the target target under the condition that the candidate target is the target target. In the above method, the feature information of the preset target outer frame is subjected to regional screening in the scene image, the region where the target point is located is locked, global target point searching on the scene image is avoided, the data processing amount is greatly reduced, the processing time is shortened, and the target tracking efficiency is improved.

A visual routing simulation and verification platform includes: a visual interaction layer, used for graphical display and runtime interaction of network topology based on the Unity editor, Odin serialization framework, and NodeCanvas node graph framework; a centralized management layer, connecting the visual interaction layer and the Burst parallel computing layer, serving as the sole data source, and including a topology management module, a message scheduling module, and a router status management module, used to realize unified registration and global identifier allocation of network nodes, centralized submission and batch delivery scheduling of messages, and centralized storage and computational job coordination of router status data across the entire network; the Burst parallel computing layer, used for multi-threaded parallel acceleration computation of core high-frequency jobs, and writing the computation results back to the centralized management layer. This invention achieves high-performance simulation of large-scale networks, dynamic runtime intervention, and protocol-independent visual debugging.

The application discloses a high-speed railway multi-train segmented cooperative control method and system based on mobile block, and the real-time working condition of a target train is determined according to the relative position between the target train and adjacent trains of the target train, and a corresponding control strategy is selected according to the real-time working condition to control the target train, compared with the prior art, the train switches different control strategies according to the working condition, and the applicability of the multi-train cooperative control algorithm to actual operation scenes is effectively improved.