There are 4 repositories under frequency-analysis topic.
[ICCV 2021] Focal Frequency Loss for Image Reconstruction and Synthesis
:sound: spafe: Simplified Python Audio Features Extraction
A Discrete Fourier Transform (DFT), a Fast Wavelet Transform (FWT), and a Wavelet Packet Transform (WPT) algorithm in 1-D, 2-D, and 3-D using normalized orthogonal (orthonormal) Haar, Coiflet, Daubechie, Legendre and normalized biorthognal wavelets in Java.
[ICML 2024] A novel, efficient lightweight approach combining convolutional operations with adaptive spectral analysis as a foundation model for different time series tasks
About Code release for "FECAM: Frequency Enhanced Channel Attention Mechanism for Time Series Forecasting" ⌚
A simple scrolling oscilloscope in rust
【CVPR2024】Magic Tokens: Select Diverse Tokens for Multi-modal Object Re-Identification
Tool to help guess a files 256 byte XOR key by using frequency analysis
[Python3] Octave-Band and Fractional Octave-Band filter. For signal in time domain.
[ICCV 2021] Amplitude-Phase Recombination: Rethinking Robustness of Convolutional Neural Networks in Frequency Domain
Floating point Forward/Inverse Fast Fourier Transform (FFT) IP-core for newest Xilinx FPGAs (Source lang. - VHDL).
Tips for best practices with filterbanks
NEURAL: a neonatal EEG feature set in Matlab
Fast superresolution frequency detection using MUSIC algorithm
[IEEE TMI-2024] SASAN: Spectrum-Axial Spatial Approach Networks for Medical Image Segmentation
QuanSheng UV-K5/K6/UV-5R Plus Custom Firmware Merge from: ▪ @OneOfEleven and ▪ @fagci Mod w. Spectrum Analyzer ▪ by @egzumer ▪ Enhanced by @RE3CON: Full freq range of BK4819 for TX and RX: 14MHz ~ 630MHz and 760MHz ~ 1879 MHz "ENABLE_TX_UNLOCK". 2nd ToneBurst 1750Hz and 1050Hz = PTT + Sidekey 1, PTT + Sidekey 2.
Cerebral Signal's Instantaneous Parameters (Phase, Frequency & Envelope) Estimation & Analysis MATLAB Toolbox
📶 Python Scripts for the basics of Digital Signal Processing (DSP). Updating on a regular basis.
Recognize events in signals using the Continuous Wavelet Transform
Detect dominant periodicity in equidistant time series
Examples of applying Kasiski examination and Index of Coincidence along with Frequency analysis to restore cryptographic key of Vigenere encypted ciphertext and decrypt it.
[ICCV 2023] HybridAugment++: Unified Frequency Spectra Perturbations for Model Robustness
An accurate S transform (Stockwell transform) and its quick inverse approximation in Python.
A refactored port and code rebuilt of JWave - Discrete Fourier Transform (DFT), Fast Wavelet Transform (FWT), Wavelet Packet Transform (WPT), some Shifting Wavelet Transform (SWT) by using orthogonal (orthonormal) wavelets like Haar, Daubechie, Coiflet, and other normalized bi-orthogonal wavelets.
Web app for experimenting with control systems
Image Processing Implementation
Hooking frequency Sessions, a bundle of customs firmware and intensity of RF.
Julia package for providing frequency-stability test functions. Implemented so far in overlapping as well as consecutive form for phase or frequency datasets are: allan deviation, modified allan deviation, hadamard deviation and time deviation.
Python 3 codes for beam optics measurements and corrections in circular particle accelerators
Code and Data for the paper "LPF-Defense: 3D Adversarial Defense based on Frequency Analysis", PLoS ONE
autofft is a Matlab package which performs the time-frequency analysis without the need of Signal Processing Toolbox™. It mimics options of the Brüel & Kjaer FFT analysers and focuses on fast and accurate estimates of averaged autospectra (also called modified periodograms) and spectrograms.