Immunogold labeling technique is mainly used on
detecting of quantitative colloidal gold test strip concentration,
through comparing with the color standard card to realize visual
qualitative analysis, but the disadvantages are low measurement
accuracy, high misjudgment rate, and it is difficult to achieve
quantitative measurement. This paper adopts an embedded
image processing system which based on the DSP. The image
information of the quantitative colloidal gold test strip is sampled
by the image sensor CMOS, analysis processed based on the
image feature, fringe intensity image of feature information is
extracted, and then establishes the functional relation between
image feature information of fringe intensity and sample
concentration, so it can realizes accurate measurement, and
offers a detecting method to the colloidal gold qualitative
detecting. In order to solve the problem that CMOS sensor
generates drift follow with the working temperature, the system
provides constant temperature working environment for the
CMOS sensor and then solves the long-term stability problem of
the system. Compared with other methods, it has advantages of
high precision, fast inspection speed and so on
Immunogold labeling technique is mainly used on
detecting of quantitative colloidal gold test strip concentration,
through comparing with the color standard card to realize visual
qualitative analysis, but the disadvantages are low measurement
accuracy, high misjudgment rate, and it is difficult to achieve
quantitative measurement. This paper adopts an embedded
image processing system which based on the DSP. The image
information of the quantitative colloidal gold test strip is sampled
by the image sensor CMOS, analysis processed based on the
image feature, fringe intensity image of feature information is
extracted, and then establishes the functional relation between
image feature information of fringe intensity and sample
concentration, so it can realizes accurate measurement, and
offers a detecting method to the colloidal gold qualitative
detecting. In order to solve the problem that CMOS sensor
generates drift follow with the working temperature, the system
provides constant temperature working environment for the
CMOS sensor and then solves the long-term stability problem of
the system. Compared with other methods, it has advantages of
high precision, fast inspection speed and so on
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