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Target tracking processing method based on multiple processors

A technology of target tracking and processing method, applied in the field of target tracking and processing based on multi-processor, can solve problems such as poor real-time performance, and achieve the effects of improving real-time performance, optimizing the realization process of optical flow, and high operating efficiency

Inactive Publication Date: 2019-08-13
SHENZHEN AUTEL INTELLIGENT AVIATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Therefore, the present invention provides a kind of target tracking processing method based on multiprocessor, overcomes the deficiency of poor real-time performance when realizing multi-channel simultaneous tracking on the CPU of the existing embedded platform in the prior art

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  • Target tracking processing method based on multiple processors
  • Target tracking processing method based on multiple processors
  • Target tracking processing method based on multiple processors

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Embodiment 1

[0025] Embodiments of the present invention provide a multiprocessor-based target tracking processing method, such as figure 1 As shown, the multiprocessor-based target tracking processing method includes the following steps:

[0026] Step S1: Obtain the original image data that needs to be tracked, and build an image pyramid based on the original image data, and extract feature points that need to be tracked at each resolution level in the image pyramid.

[0027] In the embodiment of the present invention, the original image data that needs to be tracked externally is acquired by the CPU, and an image pyramid and feature points to be tracked at each resolution layer are established for the original image data. In an optional embodiment, after acquiring the original image, the CPU performs preprocessing such as filtering and denoising, and then builds the image pyramid.

[0028] Step S2: Determine the number of required processors according to the upper limit of data processe...

Embodiment 2

[0070] An embodiment of the present invention also provides a computer-readable storage medium, on which computer-executable instructions are stored, and the computer-executable instructions can execute the multiprocessor target tracking processing method in any of the above-mentioned method embodiments 1 . Wherein, the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a flash memory (Flash Memory), a hard disk (Hard Disk) Disk Drive, abbreviation: HDD) or solid-state drive (Solid-State Drive, SSD), etc.; the storage medium may also include a combination of the above-mentioned types of memory.

[0071] Those skilled in the art should understand that embodiments of the present invention may be provided as methods or computer program products. Accordingly, the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodime...

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Abstract

The invention discloses a target tracking processing method based on multiple processors. The method comprises the following steps: acquiring original image data needing target tracking through a CPU;establishing an image pyramid according to the original image data; extracting to-be-tracked feature points of each resolution layer in the image pyramid; according to the upper limit of the data processed by the processor and the number of the feature points needing to be tracked, determining the number of required processors; distributing the feature points needing to be tracked to a pluralityof processors to carry out optical flow calculation. According to the embodiment of the invention, the parallel operation advantage of the multi-core wide vector register DSP is utilized, load balancing is carried out by combining the calculation independence of the feature points, and the pyramid optical flow realization process is optimized on the premise of meeting the precision requirement, sothat the overall operation efficiency of the system is high, and the real-time performance is improved.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a multiprocessor-based target tracking processing method. Background technique [0002] The detection and tracking of moving objects is an important part of digital image processing technology. People continue to develop new algorithms for the detection and tracking of moving objects, but due to the computational complexity of the algorithm and the constraints of the processing speed of the hardware platform, it is difficult to balance the two key performance indicators of moving object tracking: real-time performance and accuracy. master. In order to realize the real-time requirements in the moving target tracking system, some measures need to be taken to increase the processing speed of the algorithm. One is to optimize the algorithm, and the other is to improve the hardware system. At present, there are many algorithms for moving object tracking, and each has its own...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/246G06F15/16G06T1/20
CPCG06F15/161G06T1/20G06T7/246G06T2207/20016
Inventor 赵尔鑫
Owner SHENZHEN AUTEL INTELLIGENT AVIATION TECH CO LTD
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