MATLAB Filtering Program with Spatial and Frequency Domain Processing

This MATLAB-based filtering program provides comprehensive signal processing capabilities including spatial domain 2D convolution filtering, frequency domain high-pass filtering, and third-order Butterworth high-pass filter design. The implementation utilizes MATLAB's built-in functions for convolution operations and frequency domain transformations, ensuring efficient signal processing with optimal results. The code includes detailed annotations explaining key algorithms such as the convolution kernel design, frequency domain masking techniques, and Butterworth filter coefficient calculations, enhancing both generalizability and portability for various signal processing scenarios. Beyond the core filtering functionalities, the program offers additional significant features. It features a user-friendly interface that simplifies operation through intuitive parameter input and visualization functions. The implementation supports multiple input and output formats including various image and audio file types, accommodating diverse user requirements. The code optimization ensures high computational efficiency, utilizing vectorized operations and pre-allocation techniques to complete complex filtering tasks rapidly. In summary, this MATLAB-based filtering program combines powerful functionality with user-friendly operation. It provides effective solutions for filtering challenges in signal processing applications while offering convenience for research and practical work through its well-documented, modular code structure that allows easy customization and integration into larger processing pipelines.