Journal of Signal Processing Systems

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A Diversity-based Selfish Node Detection Algorithm for Socially Aware Networking
Journal of Signal Processing Systems - Tập 93 - Trang 811-825 - 2021
Nan Xiao, Rang Xinyi, Zenggang Xiong, Fang Xu, Xuemin Zhang, Qiong Xu, Xiaochao Zhao, Conghuan Ye
Because mobile devices only have the limited resource in socially aware networking, some network nodes are unwilling to sacrifice their resource to forward messages to others for free, thus forming selfish nodes. However selfish nodes will cause dropping in the message delivery rate and affect the network performance, so this paper has proposed a diversity-based selfish node detection algorithm (D... hiện toàn bộ
Image Processing Units on Ultra-low-cost Embedded Hardware: Algorithmic Optimizations for Real-time Performance
Journal of Signal Processing Systems - Tập 90 - Trang 913-929 - 2017
Suraj Nair, Nikhil Somani, Artur Grunau, Emmanuel Dean-Leon, Alois Knoll
The design and development of image processing units (IPUs) has traditionally involved trade-offs between cost, real-time properties, portability, and ease of programming. A standard PC can be turned into an IPU relatively easily with the help of readily available computer vision libraries, but the end result will not be portable, and may be costly. Similarly, one can use field programmable gate a... hiện toàn bộ
Automatic Liver Segmentation from 2D CT Images Using an Approximate Contour Model
Journal of Signal Processing Systems - Tập 74 - Trang 151-174 - 2013
Marcin Ciecholewski
Due to its precision, computed tomography (CT) is now generally used to image the liver and diagnose its diseases. Computer-assisted methods aimed at facilitating the extraction of organ shapes from medical images and helping to diagnose disease entities are rapidly developing. This study presents a new method of automatically segmenting the shape of the liver, both for cases free of lesions and t... hiện toàn bộ
Architecture Considerations for Multi-Format Programmable Video Processors
Journal of Signal Processing Systems - Tập 50 - Trang 33-39 - 2007
Jonah Probell
Many different video processor architectures exist. Its architecture gives a processor strength for a particular application. Hardwired logic yields the best performance/cost, but a programmable processor is important for applications that support multiple coding standards, proprietary functions, or future changes to application requirements. Programmable video processor architectures achieve best... hiện toàn bộ
DNA Encoded Color Image Encryption Based on Chaotic Sequence from Neural Network
Journal of Signal Processing Systems - Tập 95 - Trang 459-474 - 2023
C. Senthilkumar, Manikandan Thirumalaisamy, Rajesh Kumar Dhanaraj, Anand Nayyar
Communication in any form requires secrecy to ensure the message is received and interpreted only by the intended receiver. Fast moving communication technologies enables users to communicate multimedia messages like images, videos, animations and so on. Encryption of images aim to hide image content by the confusion and diffusion process. Secret keys are required to encrypt the images and other m... hiện toàn bộ
CLA Formula and its Acceleration of Architecture Design for Clustered Look-Ahead Pipelined Recursive Digital Filter
Journal of Signal Processing Systems - - 2021
Muhan Zheng, Yuanyong Luo, Hongbing Pan, Zhongfeng Wang, Yuan Xue
Formosa Speech in the Wild Corpus for Improving Taiwanese Mandarin Speech-Enabled Human-Computer Interaction
Journal of Signal Processing Systems - Tập 92 - Trang 853-873 - 2019
Yuan-Fu Liao, Yung-Hsiang Shawn Chang, Yu-Chen Lin, Wu-Hua Hsu, Matus Pleva, Jozef Juhar
Mandarin in Taiwan is notably different from other variants of Mandarin in terms of lexical use and accents. However, from an investment perspective, it remains debated whether the general-purpose Mandarin speech recognition (MSR) systems are sufficient for supporting human-computer interaction in Taiwan. In addressing this question, we established the Formosa (an ancient name of Taiwan given by t... hiện toàn bộ
Performance Analysis of Weakly-Consistent Scenario-Aware Dataflow Graphs
Journal of Signal Processing Systems - Tập 87 Số 1 - Trang 157-175 - 2017
Marc Geilen, Joachim Falk, Christian Haubelt, Twan Basten, B.D. Theelen, Sander Stuijk
Times Square – Marriage of Real-Time and Logical-Time in GALS and Synchronous Languages
Journal of Signal Processing Systems - Tập 84 - Trang 163-180 - 2015
Heejong Park, Zhenmin Li, Avinash Malik, Zoran Salcic
In this paper we introduce exact and non-exact real-time waits in the reactive Globally Asynchronous Locally Synchronous (GALS) programming languages and synchronous languages as their subset. The language constructs that allow use of real-time waits are illustrated on the SystemJ GALS language. They allow system designers to explicitly use, at the specification level, not only logical time but al... hiện toàn bộ
Mapping Cognitive Radio System Scenarios into the TVWS Context
Journal of Signal Processing Systems - - 2013
Per H. Lehne, Ole Grøndalen, Richard MacKenzie, Dominique Noguet, Vincent Berg
Cognitive Radio has been one of the key research topics in the wireless community for about 10 years. The digital switch-over in the TV bands provides opportunities for Cognitive Radio Systems (CRS) to operate in the 470–790 MHz spectrum under incumbent protection restrictions. Locally unused spectrum in this band is often referred to as TV whitespace (TVWS). Regulatory bodies, in particular the U... hiện toàn bộ
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