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Computer-aided diagnosis using morphological features for classifying breast lesions on ultrasound
Huang, Y.-L.,Chen, D.-R.,Jiang, Y.-R.,Kuo, S.-J.,Wu, H.-K.,Moon, W. K. John Wiley Sons, Ltd. 2008 Ultrasound in obstetrics & gynecology Vol.32 No.4
<B>Objectives</B><P>To develop and evaluate a computer-aided diagnosis (CAD) system with automatic contouring and morphological analysis to aid in the classification of breast tumors using ultrasound.</P><B>Methods</B><P>We evaluated 118 breast lesions (34 malignant and 84 benign tumors). Each tumor contour was automatically extracted from the digitized ultrasound image. Nineteen practical morphological features from the extracted contour were calculated and principal component analysis (PCA) was applied to find independent features. A support vector machine (SVM) classifier utilized the selected principal vectors to identify the breast tumor as benign or malignant. In this study, all the cases were sampled with k-fold cross-validation (k = 10) to evaluate the performance by receiver–operating characteristics (ROC) curve analysis.</P><B>Results</B><P>The areas under the ROC curves for the proposed CAD systems using all morphological features and the lower-dimensional principal vector were 0.91 and 0.90, respectively. The classification ability for breast tumors using morphological information was good.</P><B>Conclusions</B><P>This system differentiates benign from malignant breast tumors well and therefore provides a clinically useful second opinion. Moreover, the morphological features are nearly setting-independent and thus available to various ultrasound machines. Copyright © 2008 ISUOG. Published by John Wiley & Sons, Ltd.</P>
Effects of Sperm Number and Semen Type on Sow Reproductive Performance in Subtropical Area
Kuo, Y.H.,Hnang, S.Y.,Lee, K.H. Asian Australasian Association of Animal Productio 2000 Animal Bioscience Vol.13 No.1
The purpose of this study was to evaluate the effect of lower numbers of sperm $(3{\times}10^9)$ per dose liquid semen and type of semen used in artificial insemination (AI) on sow reproductive performance in subtropical area. Semen was supplied by two commercial AI centers. A total of 671 female pigs from seven farms were inseminated with either $3{\times}10^9$ or $5{\times}10^9$ sperm per dose. Two types of semen were used: heterospermic semen from two boars of the same breed and homospermic semen from a single boar. After insemination, conception rate, farrowing rate, total litter size, and number of dead piglets were recorded. The analysis of variance indicated that there was no significant effect of interactions between pig farm, type of semen, or number of sperm on any of the traits measured. There were significant differences in conception rate, farrowing rate, and total litter size among pig farms (p<0.05). The effect of number of sperm per dose liquid semen ($3{\times}10^9$ or $5{\times}10^9$) was not significant. Sows inseminated with homospermic semen showed significantly higher conception and farrowing rates but significantly lower total litter size (p<0.05). In conclusion, the number of sperm per dose liquid semen for AI could be lowered to $3{\times}10^9 $ without affecting reproductive performance in subtropical areas like Taiwan.
Kuo, C.T.,Balamurugan, K.,Shiu, H.W.,Park, H.J.,Sinn, S.,Neumann, M.,Han, M.,Chang, Y.J.,Chen, C.H.,Kim, H.D.,Park, J.G.,Noh, T.W. Elsevier 2016 Current Applied Physics Vol.16 No.3
<P>We have studied the electronic structure and interfacial properties of mechanically exfoliated few-layer NiPS3 van der Waals crystals on ZnO/Nb:SrTiO3 substrates using scanning photoelectron microscopy and spectroscopy. The conducting ZnO layer enhances the visibility of few-layer NiPS3 on Nb:SrTiO3 and prevents charging effects in photoemission. We experimentally determined a type-II band alignment at the NiPS3/ZnO interface. The valence band offset (VBO) of few-layer NiPS3/ZnO is 2.8 +/- 0.09 eV, and the conduction band offset is 1.0 +/- 0.09 eV. Moreover, we found an increase of similar to 0.3 eV in VBO as decreasing NiPS3 thickness, suggesting electronic coupling or charge transfer at the NiPS3/ZnO interface. (C) 2016 Elsevier B.V. All rights reserved.</P>
Electronically highly cubic conditions for Ru in α−RuCl3
Agrestini, S.,Kuo, C.-Y.,Ko, K.-T.,Hu, Z.,Kasinathan, D.,Vasili, H. B.,Herrero-Martin, J.,Valvidares, S. M.,Pellegrin, E.,Jang, L.-Y.,Henschel, A.,Schmidt, M.,Tanaka, A.,Tjeng, L. H. American Physical Society 2017 Physical Review B Vol.96 No.16