In this paper, we propose a novel writerindependent global feature extraction framework for the task of automatic signature verification which aims to make robust systems for automatically distinguishing negative and positive samples. Our method consists of an autoencoder for modeling the sample space into a fixed length latent space and a Siamese Network for classifying the fixed-length sample...

F. Hosseinzadeh Lot a, A. A. Noora b, H. Nikoomaram c, M. Alimardani d , M. Modi e (a) Dept. of Math. Science and Research Branch, Islamic Azad University, Tehran,Iran. (b) Dept. of Math. Sistan and Balochestan University, Iran, (c) Dept. of Management. Science and Research Branch,Islamic Azad University, Tehran,Iran. (d) Dept. of Math. Tehran -North Branch,Islamic Azad University, Tehran,Iran,...

Background: Fluoride plays an important role in bone and dentin mineralization; however, excess fluoride intake is harmful to mankind. Methods: This study evaluated the performance of bauxite from active Iranian mines in removing fluoride from drinking water. The effects of pH, contact time, adsorbent dose, and fluoride concentration on defluoridation and removal efficiency were determined. Ki...

Given that Mandarin is a tone language and English is not, the present study investigated the perception of Mandarin tones in young school-aged children with or without tone language exposure. Mandarin Monolingual (MM), English-Mandarin Bilingual (EMB) and English Monolingual (EM) children aged 6 to 8 years participated in tone identification and discrimination tasks. Tone identification and di...

Review of the book: Roozbeh Zarrinkoob, Sayyed Tawfiq Hosseini Mani and Manichaeism Religion’s Bibliography. Tehran: Jehād-e Dānešgāhī, Wāhed-e Šahīd Beheštī, 1398/2019. 263 pp. ISBN 978-964-479-140-6 (in Persian, English, German, French, other European languages)

tehran shomal highway passes through alborz mountains with a tunnel length of 6400 meters. there are two main tunnels. a full three-dimensional (3d) numerical analysis coupled with elasto-plastic material models was conducted on the inclined access tunnel. bending moment, axial force and the lining displacements due to the internal forces applied on the shotcrete lining are calculated. axial fo...

i Corresponding Author, M. R. Tousi is PhD student in Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran (e-mail: [email protected]). ii S. H. Hosseininan is with the Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran (e-mail: [email protected]). iii M. B. Menhaj is with the Department of Electrical Engineering, Amirk...

1 Médico, Professor Assistente de Neurocirurgia, Departamento de Neurocirurgia Hospital Loghman Hakim, Universidade Shaheed Beheshti de Ciências Médicas Teerã, Irã. 2 Médico, Professor Assistente de Otorrinolaringologia e Cirurgia de Cabeça e Pescoço Departamento e Centro de Pesquisa em Otorrinolaringologia e Cirurgia de Cabeça e Pescoço Hospital Rasool Akram, Faculdade de Ciências Médicas de T...