| 摘要 |
An ovulation-prediction device with an image processing system containing a transmissive test platen for placing saliva samples and a miniature camera for capturing the image of saliva sample at dried state for analyzing the increase of salt content for predicting ovulation. An image processing method with an algorithm described for removing noise in a saliva sample for calculating the density of dark pixels which represents salt content in the sample. A Density Index is defined. Trend curve of Density Index vs. day is established based on the daily saliva analysis in a woman's menstrual cycle for predicting days from the ovulation. Also illustrated are applications of the image processing system in an electrical toothbrush, a dental massager and a portable compact device using a disposable tape cassette for testing saliva samples.
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