Welcome
Hi there and welcome to my personal web page. My name is Marek and I am currently graduate student at Purdue university. My background is in Computer Science and Math.
On this web you can find some of my projects and in the blog I write about my life experiences. You can also check out fractals gallery for beautiful images and potentially wallpapers for your device or living room.
Mysterious Depths: Hidden Pearls
Featured
Mausr - Marek's Unicode Symbols Recognizer
Have you ever wanted to easily find any unicode symbol like →, ×, ≠, ℝ, or »? Then Mausr is what you are looking for! Mausr is a library and web interface that performs unicode symbols recognition from hand drawn input using simple neural network. The library implements back-propagation learning algorithm as well as basic non-linear optimization algorithms such as gradient descent and iRprop. Read on ...
Recognition results 
Interface for training neural nets. Real-time feedback of the training is implemented using signalr library. 
Results of training a neural network. 
Test of optimization functions. 
Drawings of a snowflake from many users.
Is 16.7 million colors enough?
Majority of our devices today can display 16.7 million colors. This may sound as a lot but sometimes human eye can notice a difference between two neighboring colors. I have encountered this problem while creating some fractal images. The solution to the limitation is usage of dithering. This article describes the problem and presents a simple solution. Read on ...
A smooth gradient with artifacts. 
Dithered gradient without artifacts. 
A fractal with artifacts. 
Dithered fractal without artifacts.
