Automatic segmentation of cervical region in colposcopic images using K-means.

Colposcopy is an important imaging modality for the detection of cervical lesions. The analysis of colposcopic images, especially the effective segmentation of the cervical region, has important clinical value in clinical application. A cervical segmentation method based on the HSV color mode is proposed, which can divide and extract the cervical region in the medical and anatomical sense.

[Study on spectral calibration of discrimination of corn variety using near-infrared spectra based on DS algorithm].

From the perspective of calibration, the present paper studies the model stability problem in qualitative analysis of NIR. Aiming at the issue of model failure caused by different data acquisition time, 13 varieties of corn were used as experimental material, and learning from the idea of model calibration transfer between the two instruments in quantitative analysis of NIR, the DS (direct standardization) algorithm was used to calibrate the spectra acquired at different times with the same instrument, that made the varieties identification model established one time able to be applied to identify the test data at different acquisition time. First, transfer set was selected from the master spectrum set by Kennard/Stone algorithm, the corresponding number spectrums in slave spectrum set were selected, and then DS algorithm was applied to transfer set to calculate the transformation function between the two sets of data.

[Effects of Yifuning capsule on blood lipids of ovariectomized hyperlipidemia rats].

Objective: To observe the effects of Yifuning (YEN) capsule on blood lipids of ovariectomized hyperlipidemia rats.

Method: Fifty-six female mature Sprague-Dawley rats were randomized into 7 groups: normal control group, model control group, diethylstilbestrol tablets (DT) group, Xuezhikang group, YFN high, middle and low dose groups. The ovariectomized rats were fed on high fat diet and administrated with the drugs for 3 weeks, then were killed and estimated body weight, liver index and five items of blood lipid (TC, TG, HDL-C, LDL-C, VLDL) by test kit.