(The following topics include but are not limited to)
image transmission 
Image and video perception and quality models
Image storage, retrieval, and authentication
digital signal processing 
Optical signal processing
Image acquisition
Pattern recognition and analysis
image compression 
Image processing architecture
Document Image Processing
Image encoding and compression
Real time signal processing
image processing
Fix and Enhance
Image scanning
Display and Print
Facial recognition
image segmentation
Medical Imaging
Signal processing and detection
Radar and sonar signal processing
Communication signal processing
Audio and sound signal processing
Sensor array and multi-channel signal processing
Multimedia signal processing
Speech and Language Processing
Image and video processing
Signal processing in computer vision and robotics technology
optimization method 
Computational imaging/spectral imaging
machine learning
Signal processing through graphics and networks
Compressive Perception and Sparse Modeling
Nonlinear signal processing
Statistical signal processing
IoT signal processing
Information forensics and security
Educational signal processing
Big data signal processing
Signal processing in power systems
Design/Implementation of Signal Processing System
quantum optics
ultrafast laser 
Atomic optics
Laser optics
Optical communication
integrated optics
Light detection lidar
Optical sensors
High end optical instruments
Synchrotron radiation optics
High power solid-state laser
Optoelectronic Technology 
Solid state laser technology
nonlinear optics 
Advanced optical thin film materials
New High Light Optical Elements
X-ray optical system
Diffractive waveguide technology
Grating polarization effect
Liquid crystal optical control technology
Optical communication components and modules
Ultra short laser technology
Laser 3D imaging
Optical neural network
Computational optical imaging