Elegant Butterworth and Chebyshev filter implemented in C, with float/double precision support. Works well on many platforms. You can also use this package in C++ and bridge to many other languages for good performance.
Simple demo of filtering signal with an LPF and plotting its Short-Time Fourier Transform (STFT) and Laplace transform, in Python.
An IIR filter class implementation in Python
Implemented Ideal, ButterWorth and Gaussian Notch Filter for Image processing in python (with GUI).
📶 Digital Filter Library for Signal Processing
Butterworth filter for spatial frequencies on images
Digital audio filtering
Program for designing active and discrete filters
A cross-platform application for basic IIR filter design.
Carotid blood pressure signal acquisition system. Includes complete circuit, Matlab algorithm to calculate the 4th order Butterworth low pass filter parameters, LPC1769 sensor program and serial display of the digitized signal.
In this repository, I take a deep dive into some of the common analysis and design techniques to solving two of the most practical filter design problems: designing lowpass and highpass filters.
Data Fusion via Quaternions for MPU-6050 Accelerometer & Gyroscope
Digital FIR and IIR filters with intelligible Python codes using SciPy.
Simple Chebyshev and Butterworth implementation
Smoothing is often used to reduce noise within an image or to produce a less pixelated image.
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