Mean shift-based embedded type image tracking system

An image tracking and mean shift technology, applied in image analysis, image data processing, image data processing and other directions, can solve problems such as high cost and poor occlusion resistance

Inactive Publication Date: 2011-05-25
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

[0003] In view of the above problems, in order to solve the defects of the prior art, the purpose of the present invention is to provide an embedded image tracking system based on mean shift, which can effectively solve the problems of poor anti-occlusion and high cost

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  • Mean shift-based embedded type image tracking system
  • Mean shift-based embedded type image tracking system
  • Mean shift-based embedded type image tracking system

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Embodiment Construction

[0008] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0009] Depend on figure 1 Shown, the embedded image tracking system based on mean shift is characterized in that, comprises Cameralink interface, FPGA, the first data memory, shared memory, DSP, the second memory, program memory, A / D chip, D / A chip and The display, the Cameralink interface is connected to the FPGA, and the Cameralink interface transmits the digital video stream to the FPGA; the A / D chip is connected to the FPGA, and the A / D chip transmits the CVBS video stream to the FPGA; the FPGA is connected to the first data memory, and the FPGA will process the The video data is transmitted to the first data memory for storage; the FPGA is connected to the shared memory, and the FPGA passes the processed data to the shared memory for storage; the DSP is connected to the program memory, and the DSP calls out the program stor...

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Abstract

The invention relates to the field of industrial control and identification, in particular to a mean shift-based embedded type image tracking system. The mean shift-based embedded type image tracking system comprises a Cameralink interface, a field programmable gate array (FPGA), a first data storage, a shared storage, a digital signal processor (DSP), a second storage, a program storage, an analog / digital (A / D) chip, a digital / analog (D / A) chip and a display. For the mean shift-based embedded type image tracking system, the FPGA and the DSP serve as embedded type hardware platforms of an image processor; and on the basis of the conventional mean shift technique, a mean shift fast algorithm applicable to an embedded processor is invented, a special basic module group of the mean shift algorithm is established on the FPGA, and finally, major operations and decisions are performed on the DSP. So, the operation speed of the mean shift-based embedded type image tracking system is far faster than that of the conventional mean shift algorithm which uses a personal computer (PC) machine as a hardware platform.

Description

technical field [0001] The invention relates to the field of industrial control and identification, in particular to an embedded image tracking system based on mean shift. Background technique [0002] At present, in the field of computer vision and pattern recognition, the mean shift technology has been widely concerned by researchers as a statistical iterative algorithm based on features. Many improved algorithms based on the mean shift have been widely used in the field of image tracking, but most of the image processors based on the mean shift algorithm use PC as the hardware platform. Taking PC as the processing platform leads to the fact that the whole image tracking system cannot be miniaturized and the cost is expensive. The image tracking processors of embedded platforms mostly use relatively simple core algorithms and related algorithms. Although the image processor based on these algorithms can effectively track the target in real time in a simple background, it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T1/00
Inventor 孙航
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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