Soil nitrogen pools (NP), denitrification (DN), gross nitrification (GN), N2O and CO2 flux rates with their responses to temperature increases were determined under five different land uses and manage
In order to improve the robustness of the differential number watermarking (DNW) algorithm proposed by us before, we proposed turbo-based DNW (T-DNW) in which the turbo code was employed in the DNW al
An efficient method to recognize caption area in MPEG compressed video was presented, by making use of the contrast of I\|frame to distinguish caption area with background. We define texture energy, i
图像是人类传递信息的重要媒体,图像信息处理又是信息科学的重要研究分支.目前,起源于 20世纪20年代的数学图像处理技术已成为工程学、计算机科学、信息科学、统计学、物理、化学、生物学、医学甚至社会科学等领域中各学科之间学习和研究的对象.文章全面综述了图像处理理论与技术的起源、涵盖的内容、对人类的重要意义及发展趋势.以期读者对图像信息处理有一个全面的理解.
A new feature selection method is proposed based on the discern matrix in rough set in this paper.The main idea of this method is that the most effective feature,if used for classification,can disting
The aim of this study is to follow each development stage of inflorescence in order to understand the biological feature of flowering and the development of male gametophyte in Anthurium andreanum “A
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A novel image feature termed neighbor edge directional difference unit histogram is proposed, in which the neighbor edge directional difference unit is defined and computed for every pixel in the imag