Target positioning system and identification method based on FPGA image processing

A target positioning and image processing technology, applied in the field of image processing, can solve the problems of single noise reduction mode, insufficient noise reduction effect, affecting positioning accuracy, etc., to achieve strong anti-interference ability, speed up and improve accuracy. Effect

Pending Publication Date: 2022-03-22
CHENGDU UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0003] However, when the common target positioning system is used, the noise reduction mode used for the initial recognition image is relatively simple, which makes the effect of noise reduction not good enough, thus affecting the accuracy of subsequent positioning.

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  • Target positioning system and identification method based on FPGA image processing
  • Target positioning system and identification method based on FPGA image processing
  • Target positioning system and identification method based on FPGA image processing

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[0032] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] refer to Figure 1-3 ,

[0034] A target positioning system and recognition method based on FPGA image processing, comprising a start switch module 1, an image acquisition module 2, a multi-dimensional noise reduction module 3, an image processing module 4, a target tracking module 5, an FPGA algorithm tracking module 6, and a data output module 7. Moving target detection module 8, target location extraction module 9, matching algorithm module 10, FIFO memory module 11, 3×3 template generation module 12, row and column counter module 13, 3×3 square window noise reduction module 14, two-dime...

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Abstract

The invention discloses a target positioning system based on FPGA image processing and an identification method. According to the invention, the output end of a multi-dimensional noise reduction module is connected with the input end of an image processing module, the output end of the image processing module is connected with the input end of a target tracking module, and the output end of the target tracking module is connected with the input end of an FPGA algorithm tracking module. The output end of the FPGA algorithm tracking module is connected with the input end of the data output module, the system can process 30 frames of images per second, the tracking speed is high, the target positioning and extracting module in the system can directly perform target detection on each frame of image and calculate the centroid for a moving target with a simple background, and the tracking speed is high. The tracking algorithm based on template matching can accurately track a target in a complex background, the anti-interference capability is high, the image processing accuracy of the system is improved, and the stability of the system during operation is improved.

Description

technical field [0001] The invention belongs to the technical field of image processing, in particular to a target positioning system and recognition method based on FPGA image processing. Background technique [0002] Image processing technology is a technology that uses computers to process image information. It mainly includes image digitization, image enhancement and restoration, image data coding, image segmentation and image recognition, etc. Image object detection is the use of theories and methods in the fields of image processing and pattern recognition to locate the target of interest from the image. It is necessary to accurately determine the specific category of each target and give the bounding box of each target. Image object detection has a wide range of applications in face recognition, medical imaging, intelligent video surveillance, robot navigation, content-based image retrieval, image-based rendering techniques, image editing, and augmented reality. The...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/50G06F5/06
CPCG06F9/5027G06F5/065
Inventor 林阳刘军
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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