TheJoe.it Into the (open) source

30Oct/122

Webcam security and “motion detect” with Linux

webcam

Set up a Security Webcam with "motion detect" using linux, in contrast to other solutions, is a procedure quite simple, despite the lack of a GUI for the configurations (often it is good not to have a GUI). On the front "hardware" everything we need is a webcam USB, regarding the software we will need a Linux distribution and the program "motion" (in the official repositories). Below I translate and I simplify the procedure comes from the blog Chriswpage.com.

23Oct/120

Tutorial: guard against unauthorized use of our photos with Gimp

oranges

In the previous article we mentioned the technique of quickly '"invisible watermark", a technique that would allow us to prove paternity of a digital photograph. The operation (as already described) is simple. The underlying principle of all is to have a picture "x" (my original photo I just have to keep) and create a picture "and" (the photo that contains the watermark invisible to circulate in internet). To prove to be the author of the photo just to compare a particular procedure by superimposing the two graphics immagni. Magically comparirà il watermark with our name and copyright information.

16Oct/124

Some solution to protect your images on the internet

macro

Those who describe today are the most common methods that allow us to, in the event of litigation, of resolve the issue related to copyright images.

The International Law (to Berne Convention for the Protection of Literary and Artistic Works) states that the artistic rights to the work resulting from the ingenuity and creativity can be attributed to the people who made. Forever. This means that if today I compose a piece of music will always be my, I can decide whether to play it without receiving compensation, but the author is me and to me that specific work must always be attributed. The same mechanism applies to the photograph (on condition that the photo is understood as a 'artistic work).

9Oct/120

Some fonts, or rather some set of icons

foundation_free_icon_font

Sometimes on the internet ran into some ingenious solutions, that resolve in a few clicks a job that otherwise would last a few minutes (you, ok, we are talking about minutes, but is always a time-saving). The resources that we mark today (taken from the English blog SixRevisions) are simple font, whose characters consist of monochrome icons ready to be included in the web (with the CSS rule "@font-face"), a technique in use for some time, but that hardly see applied.