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期刊Centerline Extraction for Image Segmentation Using Gradient and Direction Vector Flow Active Contours
信号信息处理英文)》2013年第4期407-413,共7页Shuqun Zhang Jianyang Zhou 
In this paper, we propose a fast centerline extraction method to be used for gradient and direction vector flow of active contours. The gradient and direction vector flow is a recently reported active contour model ca...显示全部
关键词:Image SEGMENTATION Active CONTOURS GRADIENT VECTOR FLOW Direction VECTOR FLOW 
期刊Photographic Image: Thematization of Its Discourses
信号信息处理英文)》2013年第4期414-422,共9页Ricardo Crisafulli Rodrigues 
This paper deals with thematization as a fundamental step towards the determination of photography image discourses in order to index them. It deals with questions related to photographic reality, polysemy, denotation...显示全部
关键词:Descriptive ANALYSIS Interpretative ANALYSIS Photographic Connotation Photographic DENOTATION Imagetic Discourses THEMATIC Discourses Photography IMAGE Photographic IMAGE POLYSEMY of Photographic IMAGE Photographic REFERENT Thematization Thematization of Photographic IMAGE Thematization and Indexing 
期刊Grey Relevancy Degree and Improved Eight-Direction Sobel Operator Edge Detection
信号信息处理英文)》2021年第2期43-55,共13页Yang Yang Lianxin Wei 
Edge detection is an important aspect to improve image edge quality in image processing. The purpose of edge detection is to identify the points in digital images with great brightness variation. However, the accuracy...显示全部
关键词:Edge Detection Grey Relevancy Eight Directions Sobel Operator 
期刊Generalized Discrete Entropic Uncertainty Relations on Linear Canonical Transform
信号信息处理英文)》2013年第4期423-429,共7页Yunhai Zhong Xiaotong Wang Guanlei Xu Chengyong Shao Yue Ma 
Uncertainty principle plays an important role in physics, mathematics, signal processing and et al. In this paper, based on the definition and properties of discrete linear canonical transform (DLCT), we introduced th...显示全部
关键词:DISCRETE Linear CANONICAL TRANSFORM (DLCT) UNCERTAINTY PRINCIPLE Rényi ENTROPY Shannon ENTROPY 
期刊Construction of Wind Turbine Bearing Vibration Monitoring and Performance Assessment System
信号信息处理英文)》2013年第4期430-438,共9页Feng-Tai Wu Chun-Chieh Wang Jui-Hung Liu Chia-Ming Chang Ya-Ping Lee 
This study is primary to develop relevant techniques for the bearing of wind turbine, such as the intelligent monitoring system, the performance assessment, future trend prediction and possible fault classification et...显示全部
关键词:SIGNAL Processing FEATURE EXTRACTION PERFORMANCE Assessment PERFORMANCE Prediction FAULT DIAGNOSIS 
期刊Optimization of Parametric Periodograms for the Study of Density Fluctuations in a Supersonic Jet
信号信息处理英文)》2013年第4期439-444,共6页Catalina Elizabeth Stern Forgach José Manuel Alvarado Reyes 
In our research on the density fluctuations of a supersonic jet we were confronted with a quite difficult problem. In the power spectrum obtained either with a spectrum analyzer, the peaks of the two of the modes that...显示全部
关键词:PARAMETRIC Periodograms DENSITY FLUCTUATIONS SUPERSONIC JET 
期刊Rapid Algorithm for Independent Component Analysis
信号信息处理英文)》2012年第3期275-285,共11页Ryota Yokote Yasuo Matsuyama 
A class of rapid algorithms for independent component analysis (ICA) is presented. This method utilizes multi-step past information with respect to an existing fixed-point style for increasing the non-Gaussianity. Thi...显示全部
关键词:INDEPENDENT Component Analysis SPEEDUP PAST Information MOMENTUM SUPER-GAUSSIAN NEGENTROPY 
期刊Genetic Algorithm for the Design of Optimal IIR Digital Filters
信号信息处理英文)》2012年第3期286-292,共7页Ranjit Singh Sandeep K. Arya 
This paper presents the design of Optimal Infinite-Impulse Response (IIR) digital filters using Genetic Algorithm (GA). IIR filter is essentially a digital filter with Recursive responses. Since the error surface of d...显示全部
关键词:Digital FILTER Infinite-Impulse RESPONSE (IIR) GENETIC Algorithm (GA) Optimization 
期刊A Low Sample Size Estimator for K Distributed Noise
信号信息处理英文)》2012年第3期293-307,共15页Eduardo X.Alban Mario E.Magana Harry Skinner 
In this paper, we derive a new method for estimating the parameters of the K-distribution when a limited number of samples are available. The method is based on an approximation of the Bessel function of the second ki...显示全部
关键词:ESTIMATION K Distribution Mean SQUARE ERROR MOMENTS 
期刊Continuously Variable Bandwidth Sharp FIR Filters with Low Complexity
信号信息处理英文)》2012年第3期308-315,共8页James T. George Elizabeth Elias 
In software defined radio (SDR), sharp filters of different bandwidth are required to fine tune the desired channel. This requires different computational resources and large number of filter coefficients. This paper ...显示全部
关键词:Variable BANDWIDTH FILTER FREQUENCY-RESPONSE MASKING Low Complexity Finite IMPULSE Response FILTER Re-Sampling 
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