Theme1 optimization method Communication signal processing Statistical signal processing Signal processing and detection Multimedia signal processing Speech and Language Processing Nonlinear signal processing IoT signal processing Information forensics and security Big data signal processing Radar and sonar signal processing Audio and acoustic signal processing Computational imaging/spectral imaging Compressive Perception and Sparse Modeling Signal processing for education Signal processing in power systems Design/Implementation of Signal Processing System Sensor array and multi-channel signal processing Signal processing through graphics and networks Signal processing for computer vision and robotics Theme2 security management network security Encrypted communication Applied cryptography Identity Access Management Infrastructure security Operating System Security Intrusion Prevention System Mobile device security Embedded System Security Identity verification and authorization Distributed System Security Cross layer design and optimization Big data security and privacy Cloud and edge computing security Available security and privacy Blockchain Security and Privacy Information Physical System Security Data and System Integrity Privacy protection data mining Internet of Things security and privacy Security protocols and authentication Software defined network security Mobile computing security and privacy Key management and key recovery Trusted computing and trusted computing Security models, standards, and policies