Resize images using GIMP without losing quality

Gimp can be downloaded from www.gimp.org

Here is a quick way to resize any image without losing its quality:

• open your image,
• go to the image menu → scale image,
• insert the desired values for scaling in the image size tab,
• under the quality, select “Sinc (Lanczos3)”.

Visit these websites to find more about lanczos resampling and for the differences between other resampling methods.

Skin Retouching with Wavelet Decompose

Skin retouching is a delicate art.

Effective skin retouching can feel like a black art.

There have been various methods detailed in the past for ways to “smooth” skin in GIMP. Those methods ranged from disappointing at best to downright ridiculous at worst. The disappointing methods were simply a product of the best methods available at the time. The ridiculous ones seemed to be due to a lack of subtlety. Continue reading…

Everything You Need to Know About Long Tail Keywords

Relevant content featuring decent ‘keyword inlays’ is vital for running a successful online business. This book presents a brief yet comprehensive guide on picking up and arranging long tail keywords across content.

When to use a proxy and when to use a VPN?

Both VPN (Virtual Private Networks) and proxy servers were designed to keep you anonymous on the internet and help you access websites and services that are not available to everyone because of censorship or various restrictions. Both proxies and VPNs have advantages and disadvantages and some are better than others in certain situations. Do you know what to choose when? Do you need to use a proxy server or you need a VPN connection? When is it best to use one versus the other? This guide will explain everything you need to know.

How to Create the Perfect Password!

Having your password compromised is no laughing matter. More than half a million hackers have a go at cracking Facebook passwords every single day. In an effort to protect its users, the site gives specific tips for protecting both your Facebook account and any financial information you may have saved on the site—unsurprisingly, choosing a strong password is high on the list.

Facebook’s not the only place you have to worry about securing your financial info, of course. Strong, adequate, or weak, no password can protect against every possible threat. But by following our tips, you can help keep your social media accounts in your own hands, make your financial info safer, and encourage meddling thieves and hackers to seek easier prey. Continue reading…

Use MATLAB and a webcam to solve a Sudoku puzzle!

Just watch this video, from Matlab ‘s you tube channel:

Draw parametric curves in MATLAB

Draw some funny and useful parametric curves in Matlab. It’s easy! Click here!

 

MATLAB: image processing

Interested in image processing? Check out these MATLAB tips!

How to easily colorize a black-and-white photograph in Photoshop!

Coloring a photo isn’t nearly as hard as you might think. In fact, it can be achieved in three simple steps using Photoshop. Read on for a basic method of colorizing a black-and-white picture, followed by some tips for building on this technique to create more stylized and dramatic results.

Continue reading…

Δημιουργία *ΝΕΑΣ* Διάταξης Πληκτρολογίου στα Windows

Στον οδηγό αυτό θα δημιουργήσουμε μια ελληνική Dvorak για Windows – την πρώτη που έφτιαξε ποτέ κανείς, σύμφωνα με την έρευνά μας. Μάλιστα, εντός του οδηγού θα σας την δώσουμε έτοιμη, σαν δώρο για τον υπολογιστή σας.

Βέβαια, διατάξεις πληκτρολογίου όπως η Dvorak και η Colemak έχουν δημιουργηθεί με βάση το αγγλικό λεξιλόγιο. Έτσι, δεν υπάρχει καμία εγγύηση πως μια αντίστοιχη ελληνική διάταξη θα είναι εξίσου ωφέλιμη στην ταχύτητα πληκτρολόγησης.

Δείτε εδώ το πώς!

Κινηματογράφηση του Desktop με το VLC!

…μπορείτε να κάνετε από το μενού “Media > open capture device.”

Τη “Λειτουργία σύλληψης / capture mode”, αλλάξτε τη σε: “Επιφάνεια Εργασίας / Desktop”.

Google tricks (e-book)

Ένα μικρό, ωραίο και χρήσιμο βιβλίο για το σχολείο, το οποίο μπορείτε να κατεβάσετε από εδώ: GoogleTricks_eBook.

Πηγή: ιστολόγιο Νίκου Μιχαηλίδη.