نتایج جستجو برای: multidimensional signal processing

تعداد نتایج: 854967  

2005
Rahul Shrivastav

Quantification of vocal quality of a speech signal is essential in a number of applications. However, existing measures for this purpose are often characterized by poor sensitivity and specificity to perceptual judgments. These shortcomings may have arisen because (1) these measures are often validated against “noisy” perceptual data and (2) the non-linear and multidimensional relationships bet...

2008
Pierre Boulet

In several application domains (detection systems, telecommunications, video processing, etc.) the applications deal with multidimensional data. These applications are usually embedded and subjected to real-time and resource constraints. The challenge is thus to provide efficient implementations on parallel and distributed architectures. Array-OL has been designed specifically to handle this ki...

Journal: :Micron 2004
Noël Bonnet

The present review tries to identify some trends among the multitude of ways followed by image processing developments in the field of microscopy. Nine topics were selected. They cover the fields of: signal processing, statistical analysis, artificial intelligence, three-dimensional microscopy, multidimensional microscopy, multimodality microscopy, theory, simulation and multidisciplinarity. A ...

Journal: :Signal Processing Systems 2011
Florin Balasa Ilie I. Luican Hongwei Zhu Doru V. Nasui

Many signal processing systems, particularly in the multimedia and telecom domains, are synthesized to execute data-dominated applications. Their behavior is described in a high-level programming language, where the code is typically organized in sequences of loop nests and the main data structures are multidimensional arrays. Since data transfer and storage have a significant impact on both th...

2010
Neil Smyth

Multidimensional-adaptive audio coding algorithms can adapt multiple performance measures to the demands of different audio applications in real-time. Depending on the transmission or storage environment, audio processing applications require forms of error control to maintain acceptable audio quality. By definition, multidimensional-adaptive audio coding utilizes numerous error detection, corr...

Journal: :Yearbook of Medical Informatics 2002

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی برق 1387

در تحقیقات کنونی برای پردازش و تحلیل محتوای سیگنال های صوتی، طبقه بندی و قطعه بندی صوت به مسئله مهمی تبدیل شده است. متمایزسازی گفتار-موسیقی بعنوان دو کلاس مهم از سیگنال های صوتی یکی از مهم ترین شاخه ها در این زمینه است که کاربردهای بسیاری از جمله بعنوان پیش پردازش سیستم های بازشناسی گفتار خودکار، شاخص گذاری و بازیابی بر اساس محتوای صوت و تصویر، بهبود کدینگ صوت و مدیریت آرشیوهای صوتی دارد. بنابر...

Multi-transmitter multi-receiver passive radar, which locates target in the surveillance area by the reflected signals of the available opportunistic transmitter from the target, is of interest in many applications. In this paper, we investigate different signal processing scenarios in multi-transmitter multi-receiver passive radar. These scenarios include decentralized processing of reference ...

Journal: :journal of biomedical physics and engineering 0
s khosravani master’s student of bioelectrical engineering, biological systems control laboratory, 3assistant professor at the department of biomedical engineering, department of biomedical engineering, amirkabir university of technology (tehran polytechnic), tehrn a maleki assistant professor at the department of electrical and computer engineering, semnan university, semnan, iran a fallah assistant professor at the department of biomedical engineering, amirkabir university of technology (tehran polytechnic), tehran, iran

muscle fatigue assessment has been the basis of numerous studies, specifically, in neuromuscular rehabilitation and the applications of fessystems. various emgbased techniques, in time and frequency domains, have been investigatedover years for the detection and evaluationof this phenomenon. the main objective of this study has beento evaluate the efficiency of applying a number of techniques w...

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