MATLAB Toolbox for Human Visual System

This MATLAB toolbox provides comprehensive implementations of fundamental human visual system (HVS) components, specifically featuring luminance masking, contrast masking, and contrast sensitivity functions. The toolbox enables deeper exploration of HVS operational principles and characteristics through executable MATLAB code. The implementation includes algorithms for simulating visual perception mechanisms, such as CSF calculations using frequency-domain transformations and masking models that demonstrate visual threshold elevations. Researchers can utilize this toolbox for advanced studies including visual attention modeling (through saliency map generation), color perception simulation (via chromatic adaptation transforms), and image quality assessment (using perceptual metric development). The codebase is structured with modular functions that allow easy customization of parameters and integration with existing MATLAB image processing workflows. Each component is documented with theoretical background and practical usage examples, making it ideal for educational purposes. For those beginning HVS studies, this toolbox offers hands-on experience with core concepts through well-commented MATLAB scripts that demonstrate: spatial frequency analysis for CSF implementation, masking effect simulations using psychophysical models, and perceptual threshold calculations. The package serves as both a learning resource and a foundation for developing more sophisticated visual models.