Device and method for counting overlapped circular particulate matter

A counting method and counting device technology, which is applied in the field of image processing, can solve the problems of short replacement period, loss of output pulse, easy attenuation of photoelectric tube sensitivity, etc., and achieve the effect of reducing development cost and strong anti-light interference

Inactive Publication Date: 2009-05-27
JIANGSU UNIV
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Problems solved by technology

However, the photocell counting method has the following two disadvantages: (1) The sensitivity of the photocell is easy to attenuate and age, the replacement cycle is short, and the cost is high; (2) A single photocell is generally used for counting on site. In the case of local crossover, its output pulse will be lost, which will lead to the phenomenon of under-counting and missing-counting, and the accuracy is not high

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  • Device and method for counting overlapped circular particulate matter
  • Device and method for counting overlapped circular particulate matter
  • Device and method for counting overlapped circular particulate matter

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Embodiment 1

[0035] like figure 1 Shown, a kind of counting device 1 of overlapping class round particle comprises CCD camera, DSP data processing system and LCD display;

[0036] CCD camera, used to complete the particle image acquisition, and send the image signal to the DSP data processing system;

[0037] The DSP data processing system, including the DSP data signal processor, converts the analog image collected by the CCD camera into a digital image signal, realizes the image processing algorithm in this paper, completes the particle counting and displays the counting result;

[0038] The LCD display is connected with the output of the DSP data processing system, and is used to display the original image of the collected particles and the result after segmentation, and output the statistical number of particles.

[0039] The present invention specifically comprises the following steps: use a CCD camera to vertically photograph the particle image on the platform 2, and send the image ...

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Abstract

The invention relates to a device and a method for counting overlapped round particulate matter, which aims to obtain higher counting precision and improve counting efficiency. The device for counting overlapped round particulate matter comprises a CCD camera, a DSP data processing system and an LCD, wherein the CCD camera is used for acquiring particle images and sending image signals into the DSP data processing system; the DSP data processing system comprises a DSP data signal processor, converts analog images acquired by the CCD camera into digital image signals, realizes image processing algorithm of a text, finishes counting particles, and displays counting results; and the LCD is connected with the output of the DSP data processing system, and is used for displaying acquiring original images of the particles and results after segmentation and outputting counted quantity of the particles.

Description

technical field [0001] The invention relates to image processing technology, in particular to an image recognition device and a counting method based on machine vision, which are realized by a DSP (digital signal processor). Background technique [0002] For the counting of round-like particles, the traditional method is to determine the number of round-like particles (such as crop seeds, cells, etc., hereinafter referred to as particles.) through human judgment. Since the human eye is prone to fatigue after long-term high-intensity work, the counting is accurate Sex is hard to guarantee. With the development of photoelectric technology, this counting method will eventually be replaced by more advanced counting methods. The photocell counting method makes full use of the photovoltaic effect of the photocell, that is, the photocell can reflect the change of the luminous flux through the change of the intensity of the photocurrent. After the instrument is turned on, the ligh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06K9/34G06M11/00
Inventor 朱伟兴李新城苏威
Owner JIANGSU UNIV
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