Some Notes On Data Smoothing
Saturday, April 17, 2010 - 08:14
in Mathematics & Economics
Some Notes On Data Smoothing The topic of data filtering can be pretty obscure for the general public. Taking raw data and smoothing out the lumps can seem like deliberate falsification. It isn't. In the early days of space exploration it was only possible to produce images of fairly low resolution. Special techniques were used to enhance the images. In the first image, below, I have colorised a block of 9 pixels to demonstrate a simple set of image enhancement techniques. Each pixel in an image is compared to its immediate neighbors and an operation is performed to filter the picture. It could hardly be simpler. read more