2021 VOLUME 28 ISPLEM Articles published in IEEEXplore® from 16 October to 15 November 2021 Rank Correlation Based Detection of Known Signals in Middleton's Class-A Noise CLECG: A Novel Contrastive Learning Framework for Electrocardiogram Arrhythmia Classification IDANet: An Information Distillation and Aggregation Network for Speech Enhancement Dynamic Center Aggregation Loss With Mixed Modality for Visible-Infrared Person ReIdentification Quantification of Mismatch Error in Randomly Switching Linear State-Space Models On the Size and Redundancy of the Fourth-Order Difference Co-Array On the Compensation Between Magnitude and Phase in Speech Separation Reconfigurable Intelligent Surface Aided Sparse DOA Estimation Method With Non-ULA DESA: Disparity Estimation With Surface Awareness Closed-Form Hybrid Cramer-Rao Bound for DOA Estimation by an Acoustic Vector Sensor Under Orientation Deviation FCGP: Infrared and Visible Image Fusion via Joint Contrast and Gradient Preservation Integrated Online Prediction Model for IoT Data Multi-Level Difference Repair Architecture for Face Hallucination Bespoke Fractal Sampling Patterns for Discrete Fourier Space via the Kaleidoscope Transform Skeleton-Based Action Recognition With Focusing-Diffusion Graph Convolutional Networks (ISSN 1070-9908) 1988-1992 1993-1997 1998-2002 2003-2007 2008-2012 2013-2017 2018-2022 2023-2027 2028-2032 2033-2037 2038-2042 2043-2047 2048-2052 2053-2057 2058-2062 www.signalprocessingsociety.org [21] DECEMBER 2021http://www.ieee.org/sp/index.html https://dx.doi.org/10.1109/LSP.2021.3108908 https://dx.doi.org/10.1109/LSP.2021.3114119 https://dx.doi.org/10.1109/LSP.2021.3114119 https://dx.doi.org/10.1109/LSP.2021.3114122 https://dx.doi.org/10.1109/LSP.2021.3115040 https://dx.doi.org/10.1109/LSP.2021.3115040 https://dx.doi.org/10.1109/LSP.2021.3116504 https://dx.doi.org/10.1109/LSP.2021.3116522 https://dx.doi.org/10.1109/LSP.2021.3116502 https://dx.doi.org/10.1109/LSP.2021.3116789 https://dx.doi.org/10.1109/LSP.2021.3113278 https://dx.doi.org/10.1109/LSP.2021.3114125 https://dx.doi.org/10.1109/LSP.2021.3114125 https://dx.doi.org/10.1109/LSP.2021.3115035 https://dx.doi.org/10.1109/LSP.2021.3115042 https://dx.doi.org/10.1109/LSP.2021.3116507 https://dx.doi.org/10.1109/LSP.2021.3116510 https://dx.doi.org/10.1109/LSP.2021.3116513 http://www.signalprocessingsociety.org