Výsledky vyhledávání - "variance-based algorithm"

Directional variance-based algorithm for digital image smoothing Autor Al-Ameen, Zohair

“…Image smoothing is vital in image processing as it attenuates the texture and unnecessary high-frequency components and provides a smooth image with a…”
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Variance Based Algorithm for Grouped-Subcarrier Allocation in OFDMA Wireless Systems Autor Hamdi, Noureddine

“…In this paper, a reduced complexity algorithm is proposed for grouped-subcarriers and power allocation in the downlink of OFDMA packet access wireless systems…”
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Global sensitivity analysis of nonlinear mathematical models - An implementation of two complementing variance-based algorithms Autor Henkel, T., Wilson, H., Krug, W.

“…A new approach for a global sensitivity analysis of nonlinear mathematical models is presented using the information provided by two complementing…”
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Fast Decision of Block Size, Prediction Mode, and Intra Block for H.264 Intra Prediction Autor Yi-Hsin Huang, Tao-Sheng Ou, Chen, H H

“… In particular, we propose a variance-based algorithm for block size decision, an improved filter-based algorithm for prediction mode decision using contextual information, and a selection algorithm…”
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Estimating the Center of Rotation of Tomographic Imaging Systems with a Limited Number of Projections Autor Zhou, Huanyi, Reeves, Stanley J., Panizzi, Peter R.

“…For a tomographic imaging system, image reconstruction quality is dependent on the accurate determination of coordinates for the true center of rotation (COR)…”
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Reference frequency variance-based rapid identification method for vortex flow rate under mixed vibration interference Autor Shao, Chunli, Qian, Jie, Gu, Yalei, Yang, Shuanglong, Xu, Kejun, Wang, Yingxue

“…Pipeline systems in industrial applications may encounter strong mixed vibration interference, resulting in measurement errors of vortex flowmeters. Current…”
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A Non-extensive Entropy-Based Adaptive Multi-threshold Image Segmentation Algorithm Autor Kou, Qiaoying, Xiong, Jing, Sun, Mingjie, Ou, Congjie

“… Entropy-based algorithm and variance-based algorithm are two main threshold segmentation algorithms…”
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Automatically Detecting Peaks in Terahertz Time-Domain Spectroscopy Autor Stephani, Henrike, Jonuscheit, Joachim, Robiné, Christoph, Heise, Bettina

“… We propose a procedure for automatic peak extraction in THz spectra of chemical compounds. After preprocessing in the time-domain, we use a variance based algorithm for determining the valid frequency region…”
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VIRTUe: Video surveillance for rail-road traffic safety at unmanned level crossings; (Incorporating Indian scenario) Autor Gajbhiye, Pranjali, Naveen, C., Satpute, Vishal R.

“…Railway Transportation is one of the most discussed topics in terms of safety and security. This originate need to install safety elements to avoid accidents…”
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Principal component analysis (PCA) approach to segment primary components from pathological phonocardiogram Autor Sankar, D Sandeep Vara, Roy, Lakshi Prosad

“… Then principal component analysis is used to extract the feature set which is envelope extracted using Shannon energy and sub-divided into individual cardiac cycles using variance based algorithm…”
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A variance-based information diffusion coefficient optimization algorithm and its application in missile effectiveness evaluation Autor Wang, Li, Tang, Xiaoan, Kong, Longxing, Jiang, Libing

“… estimation theory, mainly studies the key issues-the optimization of diffusion coefficient in diffusion estimation, puts forward a variance-based algorithm to optimize information diffusion coefficient…”
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Fast fractal image encoding based on the extreme difference feature of normalized block Autor Gaoping Li

“…Feature vector method for fast fractal image encoding is considered as one of the most innovative and promising approaches, but it suffers from several…”
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The effect of rating variance on personalized recommendation Autor Yu-Xiao Zhu, Wei Zeng, Qian-Ming Zhang

“…Recommender systems have made significant progress over the last decade and several industrial-strength systems have been developed. Typically, recommender…”
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A genetic approach towards optimal color image quantization Autor Scheunders, P.

“…: random initial conditions and two popular color image quantization algorithms: the median-cut algorithm and the variance-based algorithm…”
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Self-Adaptive Image Thresholding within Nonextensive Entropy and the Variance of the Gray-Level Distribution Autor Deng, Qingyu, Shi, Zeyi, Ou, Congjie

“… The entropy-based and variance-based algorithms are two main kinds of image thresholding methods, and have been independently developed for different kinds of images over the years…”
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Learning algorithm design and applications Autor Wan, Shijie

“…Learning to classify objects can be divided into two broad categories: supervised learning and unsupervised learning, depending on whether or not the classes…”
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Advanced algorithms for multidimensional sensitivity studies of large-scale air pollution models based on Sobol sequences Autor Dimov, I., Georgieva, R., Ostromsky, Tz, Zlatev, Z.

“…In this paper advanced variance-based algorithms for global sensitivity analysis are studied…”
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An Artificial Neural Network Model for Timescale Atomic Clock Ensemble Algorithm Autor Sruthikeerthi Nandita, R., Maharana, Shikha, Rajathilagam, B., Subramanya Ganesh, T., Krishnamoorthy, Subhalakshmi

“… The perfect clock is very stable and precise in terms of frequency and phase. There are many methods that exist to develop an ensemble for a timescale such as Kalman filter-based algorithms, inverse Allan variance-based algorithms, etc…”
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Machine Learning-Enhanced Anomaly Detection in Healthcare Monitoring:A Survey Autor Ali, Ayman, Ashraf, Ahmed, Rahouma, Kamel

“…The intersection of healthcare and technology has ushered in a new frontier for anomaly detection, particularly within the domains of Wireless Sensor Networks…”
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Thresholding Bandits with Augmented UCB Autor Mukherjee, Subhojyoti, Naveen, K P, Nandan Sudarsanam, Ravindran, Balaraman

“…In this paper we propose the Augmented-UCB (AugUCB) algorithm for a fixed-budget version of the thresholding bandit problem (TBP), where the objective is to…”
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