搜索结果: 1-15 共查到“信息与通信工程 OPTIMIZATION”相关记录18条 . 查询时间(0.343 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Lower Bounds and Accelerated Algorithms in Distributed Stochastic Optimization with Communication Compression
通信压缩 分布式 随机优化 下界 加速算法
2023/11/29
Communication compression is an essential strategy for alleviating communication overhead by reducing the volume of information exchanged between computing nodes in large-scale distributed stochastic ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Optimization problem in remote sensing data processing
遥感 数据处理 优化问题
2023/5/4
In this talk, we will introduce some optimization problem in remote sensing data processing. The high dimensional characteristics of remote sensing data, especially hyperspectral data, will not only l...
QoS and fairness constrained convex optimization of resource allocation for wireless cellular and ad hoc networks
Wireless cellular network distribution network resources optimization
2015/8/11
For wireless cellular and ad hoc networks with QoS constraints, we propose a suite of problem formulations that allocate network resources to optimize SIR, maximize throughput, and minimize delay. The...
Joint optimization of communication rates and linear systems
Linear control systems signal communication transmission rate transmission bandwidth
2015/8/11
We consider a linear control system in which several signals are transmitted over communication channels with bit-rate limitations. With the coding and medium access schemes of the communication syste...
Joint optimization of wireless communication and networked control systems
Linear systems signal and wireless transmission communication channels communication system the bit rate
2015/8/10
We consider a linear system, such as an estimator or a con- troller, in which several signals are transmitted over wireless commu- nication channels. With the coding and medium access schemes of the c...
Automatic code generation for real-time convex optimization
Convex optimization embedded systems signal processing automatic control data
2015/8/7
This chapter concerns the use of convex optimization in real-time embedded systems, in areas such as signal processing, automatic control, real-time estimation, real-time resource allocation and decis...
Real-time convex optimization in signal processing
Convex optimization signal processing coefficient of algorithm filtering array design
2015/8/7
Convex optimization has been used in signal processing for a long time, to choose coefficients for use in fast (linear) algorithms, such as in filter or array design; more recently, it has been used t...
Operator splitting for conic optimization via homogeneous self-dual embedding
Segmentation method multiplier nonzero subspace double lonely computational subspace
2015/8/7
We introduce a first order method for solving very large cone programs to modest accuracy. The method uses an operator splitting method, the alternating directions method of multipliers, to solve the ...
Optimization of Cascade Integer Resolution with Three Civil GPS Frequencies
Cascade Integer Resolution Civil GPS Frequencies
2015/6/29
In the near future, there will be two more civil GPS signals in addition to the current one at the L1 frequency (1575.42 MHz). The second civil signal will be broadcast at the L2 frequency (1227.60 MH...
Rate-Distortion Optimization with Inter-iew Refreshment for Stereoscopic Video Coding over Error-Prone Networks
Rate-Distortion Optimization Inter-iew Refreshment Stereoscopic Video Coding
2010/12/20
Stereoscopic video is a practical and important manner for 3-D video applications, and robust stereoscopic video transmission over error-prone networks has posed a technical challenge for stereoscopic...
Hierarchical Optimization of Visual Vocabulary for Effective and Transferable Retrieval
Hierarchical Optimization Visual Vocabulary Effective
2010/12/20
Scalable image retrieval systems usually involve hierarchical quantization of local image descriptors, which produces a visual vocabulary for inverted indexing of images. Although hierarchical quantiz...
Training Sequence Length Optimization for a Turbo-Detector Using Decision-Directed Channel Estimation
Training Sequence Length Optimization Turbo-Detector Decision-Directed Channel Estimation
2009/9/4
We consider the problem of optimization of the training sequence length when a turbo-detector composed of a maximum a posteriori (MAP) equalizer and a MAP decoder is used. At each iteration of the rec...
CLUSTERING OF LIDAR DATA USING PARTICLE SWARM OPTIMIZATION ALGORITHM IN URBAN AREA
Clustering LIDAR Particle swarm optimization Urban Area Object Extraction
2016/2/29
One of the fundamental steps in the transformation of the LIDAR data into the meaningful objects in urban area involves their
segmentation into consistent units through a clustering process. Neverth...
The performanceofalearning-basedmethodhighlydependsonthequalityofatrainingset.However,itis verychallengingtocollectanefficientandeffectivetrainingsetfortrainingagoodclassifier,becauseof
the highdimen...
Joint Source-Channel Rate-Distortion Optimization for H.264 Video Coding Over Error-Prone Networks
Joint Source-Channel Rate-Distortion H.264 Video Coding
2010/12/16
For a typical video distribution system, the video contents are first compressed and then stored in the local storage or transmitted to the end users through networks. While the
compressed videos are...