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The Latest News, Articles, and Events in Signal Processing
The fundamental task of classification given a limited number of training data samples is considered for physicalsystems with known parametric statistical models. The standalone learning-based and statistical model-based classifiers face major challenges towards the fulfillment of the classification task using a small training set. Specifically, classifiers that solely rely on the physics-based statistical models usually suffer from their inability to properly tune the underlying unobservable parameters, which leads to a mismatched representation of the system’s behaviors.
We develop a novel 2D functional learning framework that employs a sparsity-promoting regularization based on second-order derivatives. Motivated by the nature of the regularizer, we restrict the search space to the span of piecewise-linear box splines shifted on a 2D lattice. Our formulation of the infinite-dimensional problem on this search space allows us to recast it exactly as a finite-dimensional one that can be solved using standard methods in convex optimization.
The paper develops novel algorithms for time-varying (TV) sparse channel estimation in Massive multiple-input, multiple-output (MMIMO) systems. This is achieved by employing a novel reduced (non-uniformly spaced tap) delay-line equalizer, which can be related to low/reduced rank filters. This low rank filter is implemented by deriving an innovative TV (Krylov-space based) Multi-Stage Kalman Filter (MSKF), employing appropriate state estimation techniques.
In this talk, we discuss a new transform technique for solving fractional programming (FP), i.e., a family of optimization problems with ratio terms. The classic FP techniques such as the Charnes-Cooper and Dinkelbach’s methods typically deal with a single ratio, and in general, do not work for multiple ratios.
The IEEE Signal Processing Society is happy to announce the addition of twenty-three new Chapters formed in 2021. We welcome the new SPS Chapters and wish them great success in their future activities and events.
The IEEE Signal Processing Society is seeking nominations for future leaders! Nominations for several SPS leadership roles are open now, and we are now soliciting for the following roles with terms beginning 1 January 2023.
The 2022 Multimedia Prize Paper Award Nomination Period is Open. Any paper published in T-MM in 2019, 2020 or 2021 is eligible. Judging shall be on the bases of originality, subject matter, timeliness, potential impact, and presentation quality.
Lecture Date: April 13, 2022 (Virtual Lecture)
Chapter: North New Jersey
Chapter Chair: Alfredo Tan
Topic: TBA
Lecture Date: March 1, 2022 (Virtual Lecture)
Chapter: Tokyo
Chapter Chair: Kazuya Takeda
Topic: TBA
IEEE SPS has built a streamlined mechanism for employers to add a job announcement by simply filling in a simple job opportunity submission Web form related to a particular TC field. To submit job announcements for a particular Technical Committee, the submission form can be found by visiting the page below and selecting a particular TC.
The COVID-19 pandemic has prompted a global shift in meetings and events, many moving from in-person gatherings to a more virtual implementation. SPS embraces these changes not only during these unprecedentedly uncertain times, but to inspire future potential for its members and Chapters to expand their reach, engaging and empowering members and potential members to connect locally and globally, especially at a time when timely research and connection are of such great importance.
The IEEE Transactions on Multimedia invites nominations for the position of Editor-in-Chief for a 3-year term starting 1 January 2023. Nominations should be submitted to the Steering Committee Chair, Wenwu Zhu, IEEE Transactions on Multimedia, via email to wwzhu@tsinghua.edu.cn.
The Signal Processing Society (SPS) has 12 Technical Committees that support a broad selection of signal processing-related activities defined by the scope of the Society.
IEEE Transactions on Mobile Computing seeks applicants for the position of Editor-in-Chief. The EIC term is three years, nonrenewable. The Steering Committee of the Transactions on Mobile Computing invites applications, which should be sent to Cathy Martin by 1 March 2022.
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