sepdek March 14, 2014

I have already kept a note on the procedures needed to cancel a pre-approved or automated PayPal payment in a post regarding Skype but this is a more general problem and I need to remember… Walk through the menus as follows: My account > Profile > My Money > My preapproved payments > Update Here […]

sepdek February 16, 2014

Recently I read an interesting book “The Grand Design” by Stephen Hawking and Leonard Mlodinow. Somewhere at the end of the book there was a reference to the well known game of life by John Conway (1970). Although I knew it was implemented by various researchers and is already available in MATLAB with a demo […]

sepdek February 10, 2014

In a recently posted question @StackOverflow a user asked how to find the maximum Euclidean distance in a binary image produced by Canny edge detection using MATLAB. The original post is here. I report my response here just for archival purposes. Provided that you have a binary edge image, you need to think of white […]

sepdek December 30, 2013

Just a few days ago I run into a very interesting image processing challenge at StackOverflow. The challenge focused on the detection of a christmas tree in an image (see here for more info). Since I had a some free time I though I could give it a try… The rules in this challenge were […]

sepdek December 3, 2013

Quite often I have to read texts, papers and theses of students in order to review them and make corrections and suggestions. In many such cases I face the problem of texts with unequal word spacing and huge white-space areas that really looks bad. See the following image for an example (text taken from Wikipedia.org). […]

sepdek November 21, 2013

I found a workaround to enable (a 50%) focus-follows-mouse functionality on MAC OS X Mavericks after reading pages and pages and testing various snippets and techniques that failed. The thing is I always use focus-follows-mouse on all platforms including Windows (recently found a way for Windows 8). The only thing that worked (50% what I […]

sepdek November 10, 2013

There was the time of the PowerToys…back in the Windows XP era…So we had the option to easily change system setting without having to get our hands dirty digging into the registry. Nowadays there is no such utility so we have to do thing on our own. What I am particularly interested in is the […]

sepdek April 27, 2013

When something that should be obvious is not so obvious after all. Recently I heard a lot of people complaining getting charged for Skype calls to a UK number +44870835190. Skype people respond to such queries with answers like: Please get in touch with Skype Customer Service. This FAQ should be helpful: https://support.skype.com/en/faq/FA10384/ Check last […]

sepdek March 16, 2013

Setting up and testing OpenCV in MacOS – tested on Mountain Lion v. 10.8.3 (*) based on the blog notes of Tilo Mitra Installation: Download the latest version of OpenCV from SourceForge: http://sourceforge.net/projects/opencvlibrary/files/latest/download and unzip it. A folder is extracted with various files and folders Download cmake which is required in order to build and […]