Filtering

using this code user can actually feel the effect of filtering on audio signals and also see how filtering varies with changing the filter used

MATLAB files to implement all Adaptive Filtering Algorithms in the book by Paulo S. R. Diniz,Adaptive Filtering Algorithms and Practical Implementation, Third Edition, Springer, New York, 2008This book presents a concise overview of adaptive filtering, covering as many algorithms as possible in a...

A recursive implementation of the Gaussian filter. This implementation yields an infinite impulse response filter that has 6 MADDs per dimension independent of the value of sigma in the Gaussian kernel.Recursive Gabor filtering for 1D and 2D signals. For more information please...


Platforms: Matlab

A number of rules of thumb exist for the advantages of non-coherent averaging, I wanted to see, in a fairly practical way, what the advantage really was. This turned out to be more complex than I thought, because you have to identify and implement separate parts to the equations for the output...


Platforms: Matlab

This engineering note is the first of two parts:Part 1 Design and Simulation.Part 2 Real-World System Realization. (Being written)It aims at demonstrating how you may use Matlab/Simulink together with Rapid STM32 blockset and ARM Cortex-M3 processors (STM32) to develop digital signal processing...


Platforms: Matlab

HardWall Firewall is an iptables firewall script that provides port forwarding, packet filtering, stateful packet inspection, port redirection, masquerading, SNAT, DNAT, NAT, and bridging. HardWall Firewall functions as both a workstation firewall and an IP forwarding firewall. Whats New in...


Platforms: *nix

Aquarium is an open source text filtering package written in PHP. It filters nearly all four-letter words, profanities, curses, and pornographic language from any text, while filtering nearly no benign words. It can keep your blog, forum, guestbook or other dynamic application clean and suitable...


Platforms: *nix

Imager::Filters is an entire image filtering operations. SYNOPSIS use Imager; $img = ...; $img->filter(type=>autolevels); $img->filter(type=>autolevels, lsat=>0.2); $img->filter(type=>turbnoise) # and lots of others load_plugin("dynfilt/dyntest.so") or die "unable to load pluginn";...


Platforms: *nix

ebtables is a filtering tool for a bridging firewall. A firewalling tool to transparently filter network traffic passing a bridge. The filtering possibilities are limited to link layer filtering and some basic filtering on higher network layers. Advanced logging, MAC DNAT/SNAT and brouter...


Platforms: *nix

mod_activex_filter is an Apache module that enables ActiveX filtering for Apache proxy. This module is a small example of an Output Filter developed for Apache 2.0.44 and tested up to 2.0.46. Its only a simple hack of mod_case_filter to get a way to filter ActiveX on a proxy. Actualy, the...


Platforms: *nix

NSH is intended to handle configuration for interfaces, bridging, routing, packet filtering, NAT, and ISAKMP. It presents the user with a vaguely cisco-like interface. It also gives the user access to system information and diagnostics. NSH replaces the userland commands which handle these...


Platforms: *nix

Poprox is a POP3 and SMTP transparent filtering proxy. The project does virus scanning using libclamav and is comparable to p3scan in philosophy. Its design is based on a multi-process architecture which allows the detection of libclamav crashes. When this occurs, Poprox is able to delete the...


Platforms: *nix

FireHOL is a stateful iptables packet filtering firewall configurator. It is abstracted, extensible, easy and powerful. It can handle any kind of firewall, but most importantly, it gives you the means to configure it, the same way you think of it.


Platforms: *nix

mod_dnsbl is an Apache module for content filtering based on DNS blacklists. mod_dnsbl is a blacklisting module for the apache proxy. It uses the DNS as a distributed database for blacklist data. In addition to simple block/pass decisions, it can also override authentication or virus scanning...


Platforms: *nix

Fwctl is a Perl module to configure the Linux kernel packet filtering firewall. SYNOPSIS use Fwctl; my $fwctl = new Fwctl( %opts ); $fwctl->dump_acct; $fwctl->reset_fw; $fwctl->configure; Fwctl is a module to configure the Linux kernel packet filtering firewall using higher level...


Platforms: *nix

junkfilter is a procmail-based spam filtering system that is both configurable and customizable. Procmail is a popular and powerful mail-processing program available for nearly all Unix systems. This means that junkfilter doesnt work on Windows, AOL, Hotmail, Yahoo! Mail, Juno, WebTV, or any...


Platforms: *nix

Philtron provides a filtering HTTP proxy. Philtron is a filtering HTTP proxy, meaning it rewrites the HTML of the web pages that pass through it in order to remove dangerous or annoying javascript-s, popups and improve the anonymity of the user. It will be different from the existing...


Platforms: *nix

Chebyshev application allows someone to set up a spam filtering email forwarding service. Chebyshev is an engine for an email forwarding service similar to those "bitdiddle@alum.college.edu" email forwarding services that some schools provide. Combine email forwarding with spam filtering, and...


Platforms: *nix

Uruk is an iptables firewall script that is useful if you need similar packet filtering configurations on multiple machines. It uses a template file for source addresses and network services. Next are the generic installation instructions. The `configure shell script attempts to guess correct...


Platforms: *nix

BFilter is a filtering web proxy. BFilter was originally intended for removing banner ads only, but at some point it has been extended to remove popups and webbugs. It cant be used as a general purpose filtering proxy because it was never intended this way. For example you cant just block an...


Platforms: *nix