Graphic image formats: a challenge for the duo

In: Keywords

11 Mar 2011


Perhaps it may be some confusion Education cobwebs at the back of your mind. The dilemma is it proper to use them. So you need to focus on what is best for your graphics card.

To give you a clear idea of ​​when to use them, here are the basic rules:

1. If you created a graphics card on your computer such as buttons, logos, designs, animations, and horizontal rules, you will need the GIF format.

2. If your agenda is to search scanned images and photos, you must use the JPEG format.

What do you think the reason that JPEG is better when it comes to photography? It is simple. JPEG is more complex color patters can meet the needs of the photographs. This format allows you to store images and graphics with many colors that millions of them.

JPEG stands for Joint Photographic Experts Group, contains 24-bit, 16.7 Million Colors +. It stores the image information by observing and following the line changes color.

GIF Graphics Interchange Format, on the other hand, contains up to 8 bi-color or 256 This format is good for adjustments to graphics files. What is the disadvantage of using this format? The first is that the colors that you choose are not related to the final color. That’s because it reproduces colors in his palette of 256 colors. Thus does the screening. This is obvious when you zoom into your image.

Dithering is a process for the eye to believe that he sees the color is set to deceive with two different colors in the palette. Nevertheless, change the pixels in the GIF version, from left to right, from darkness to light left. This does not happen for JPEG versions. With the latter, this result is a color.

In short, JPEG developed to photos, compress detailed works and other similar images. This format makes bad grades and blends of colors better than GIF. However, it has features that are good for animation, interlacing and transparency.

Next time you tangle with a situation that needs your wisdom in choosing the right thing, especially between JPEG and GIF, you know how to handle it!

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