Face recognition is important in human identification. The biological recognition technique acts as a good method and broad applications in security areas. This work presents a method to improve the face recognition accuracy using a combination of Principal Component Analysis (PCA), and Wavelet Transform. Wavelet Transform is used to decompose the input image with different levels and rearrange...

پس از چند قرن رکود در فعالیتهای حدیثی، مجدداً در عصر صفوی بستر شکوفایی علوم حدیث فراهم شد و چند موج بزرگ اهتمام به حدیث در جهان تشیع برخاست که در قیاس با ادوار تاریخی پیشین، صرفاً با دوره صاحبان کتب اربعه قابل سنجش است. علمای شیعه در این دوره، متأثر از شرایط جامعه شناسی و علمی جدید، به شرح نویسی بر متون کهن روایی، تدوین آثار جامع حدیثی، تألیف تفاسیر اثری و ترجمه احادیث معصومان(ع) سخت اهتمام نشان ...

صخلملا Infertility affects 15% of couples seeking children worldwide and male factor is evident in about 30-50% of the cases. To assess the effect of sperm chromatin integrity on the outcomes of intracytoplasmic injection, sperm DNA compactness was evaluated by acridine orange staining in 40 fertile and 44 infertile men attending one infertility clinic. The results showed no significant differe...

صخلملا The search for novel anticancer drugs continues. This work includes a preliminary study of the effect of two crude extracts of Greek or Mediterranean sage (Salvia triloba L. f.) on three malignant human cell lines and one malignant murine cell line. A boiling water extract and a methanolic extract were prepared from dried leaves of S. triloba. Yields of extraction were 9.8 and 22.4%, res...