Custom Implementation of Mean Filter, Median Filter, and Gaussian Filter with Performance Comparison

Custom-developed functions for mean filtering, median filtering, and Gaussian filtering operations with comparative analysis against MATLAB's built-in filtering functions using performance metrics and visual output evaluation

DTFT Computation and Comparison with MATLAB Built-in Functions

DTFT calculation source code implementation, comparison between custom DTFT computation and MATLAB's built-in functions, with algorithm explanations