DSP – Linear Phase FIR filters

Filtering a signal means removing out the unwanted frequencies from signal while preserving the desired frequencies. One application of filtering is removing the noise from a signal. Digital filters are polynomial functions that does the wave-shaping of the signal. In this article we will see the overview of FIR filters, Linear Phase FIR filters and … Continue reading DSP – Linear Phase FIR filters

First Chef Cookbook recipe using AWS and chef Server

In this post we will be seeing how to write chef recipe using AWS and chef server. Chef is a configuration management tools that is used to manage the configurations on servers, I won't be explaining in depth what is Chef in this tutorial, but you can go through this for more insights.

Set transparency level using Python Imaging Library/Pillow

Image processing can be allowed using The Python Imaging Library or PIL. Unfortunately PIL's last release was in 2009 and then it stopped getting updated. Luckily there were some Python techies who came along and forked PIL and named their project as Pillow. This project Pillow is the enhanced replacement of PIL which also supports … Continue reading Set transparency level using Python Imaging Library/Pillow