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Particle image real-time processing system and particle image real-time processing method

A real-time processing and image processing technology, applied in particle suspension analysis, suspension and porous material analysis, measuring devices, etc., can solve the problems of inconvenient installation of instruments, untimely information processing, difficult online real-time processing of data, etc., to achieve data volume Reduced effect

Inactive Publication Date: 2015-08-19
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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Problems solved by technology

Although these traditional particle recognition can be used for high-speed photography (greater than 200fps), due to the huge amount of data, it is difficult to process data online in real time, so there are potential limitations, such as inconvenient installation of instruments, untimely information processing, etc., especially for remote monitoring bring inconvenience

Method used

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  • Particle image real-time processing system and particle image real-time processing method

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Embodiment Construction

[0032] The preferred embodiments of the invention will be further described in detail below.

[0033] Such as figure 1 As shown, a particle image real-time processing system of an embodiment includes: a high-speed camera, an image acquisition card, an FPGA, a first DSP, a second DSP, a network module and a remote control host.

[0034] The high-speed camera is used to take the original grain image, and in one embodiment, the shooting speed of the high-speed camera is 500fps.

[0035] The image acquisition card is used to acquire the original particle image from the high-speed camera.

[0036] The FPGA is used to obtain the original particle image from the image acquisition card, and carry out the first image processing (preprocessing) to the original particle image to obtain the first particle image, and the first image processing includes The original particle image is denoised and binarized, and the FPGA sends the first particle image to the first DSP. At the same time, th...

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Abstract

The invention discloses a particle image real-time processing system and a particle image real-time processing method. In the system, a particle image is photographed by a high-speed camera; an original particle image is acquired by an image acquisition card from the high-speed camera, the particle image is primarily processed to obtain a first particle image, and the first particle image is transmitted by an FPGA to a first DSP; the first DSP is used for secondarily processing the first particle image to obtain a second particle image and first particle information, the secondary image processing includes particle identification, tracking of the first DSP and transmission of the second particle image and the first particle information to a second DSP; the second DSP is used for performing tertiary image processing on the second particle image according to the first particle information to obtain second particle information, the second particle information includes particle size, particle shape, particle position, particle concentration and particle speed, and the second particle information is transmitted by the second DSP to the FPGA.

Description

【Technical field】 [0001] The invention relates to a particle image real-time processing system and method. 【Background technique】 [0002] At present, there are mature image processing technologies on the market. At present, the image processing chip can encode and decode high-definition images (typical resolution is 1920*1080, frame rate is 60fps) in real time. However, the existing software and hardware technologies are insufficient for real-time processing of images with the same level of resolution but higher frame rates. The transmission, storage and information extraction of instantaneous mass data are the main problems. [0003] Particle recognition and data transmission are the basis for many fluid measurements and object recognition such as biometric detection. For example, the collection of traditional PIV (Particle Image Velocimetry) instrument images is separated from the later data processing and visualization. Although these traditional particle recognition...

Claims

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Application Information

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IPC IPC(8): G01N15/00G01N15/06G01C11/00
Inventor 陈道毅蔡加祥林雄伟李磊
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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