Image conversion In Computers Computers Articles | May 6 Wholesale Jachai Polite Jersey , 2005 JPEG, GIFFJIFF, BMP, and TIFF are the most commonly used formats for storing still image files such as photographs Wholesale Quinnen Williams Jersey , graphics, and drawings. JPEG stands for Joint Photographic Experts Group and is a standard for image compression.
However, some amount of datadetail is lost in the process. JPEG therefore is characterized by a glossy compression technique for still color images, just as MPEG is used for compressing motion picture files. GIFFJIFF stands for Graphics Interchange format Wholesale Le'Veon Bell Jersey , which is a bit-mapped graphics file format. Its storage is limited to about 256 colors as against 16 million colors in JPEG. GIFF therefore is more suitable to store illustrations rather than color photos. Other popular formats for storing bit-mapped images are TIFF (Tagged image file format), BMP,and PCX. You'll also see GIF and JPG. You may be wondering what a bit-map is? A bit-map graphic is composed of a pattern of dots (each dot containing bits of data). Vector graphics, on the other hand Wholesale C.J. Mosley Jersey , use geometrical formulas to represent images. The latter can be scaled i.e. the object size can be changed while maintaining its shape. Vector images are thus more flexible than bit-maps. Also vector imageslook better on higher resolution and require less memory. This brings us to the difference between Paint programs and Draw programs. In Paint program the drawings are represented as bit-maps. Draw programs, on the other hand, represent images as vector graphics.
Why we need to convert images from one format to another?
Converting GIFF files to JPEG can compress the files to a considerable extent. The uncompressed data is normally 24 bitspixel for full-color images. JPEG can achieve 10:1 to 20:1 compression without apparent loss, 30:1 to 50:1 compression with small to moderate defects Wholesale Curtis Martin Jersey , and 100:1 for very low quality purposes like archiving. These smaller size files increase storage capacity and take lesser transmission time across networks. JPEG files are extremely useful for image archiving purposes. JPEG files store a full color range (24 bitspixel as against 8 bitspixels in GIFF).The display of images is particularly good on full-color hardware that is becoming common now.
Conversion rules:
Large, high-quality, real-world scanned photos are the best material for conversion to JPEG format. Do not convert black and white images to JPEG that works best with smooth and subtle color palette. B&W images are best on GIF. Even on colored images make sure to smoothen out the sharp edges before carrying out the conversion. A gray-scale image is much easier for a JPEG format. Avoid converting images that have already been converted before. Re-conversion spoils the quality of images. It?s best to work with original scanned images here.
To explain how format conversion is carried out here?s an example:
In a Windows operating system go to Start menu ? Accessories ? Paint Create an image with the program and save it in BMP format. Now Close the file To convert it into say JPEG, re-open the file Go to File menu and click Save As Rename the file in File name box and in Save as Type drop down box click on the format you want it to be converted to. In this case ?JPEG File Interchange Format (*.jpg Cheap Trenton Cannon Jersey , *. jpeg,)? Click on the Save button. Your file is now converted from BMP to JPEG.
If you want to change BMP to GIF, follow the same procedure except that in Save as Type box click on ?Graphics Interchange Format (.gif)? Once an image has been converted from one format to another, say GIF to JPEG Cheap Chris Herndon Jersey , some of the information is lost. You can?t go back to the original file. Therefore it is always advisable that you make a copy of the original file before converting it.
Avail Low Cost Finance On Opting For Commercial Business Loans
Posted by nick_niesen on October 29th, 2010
Those who are in business know that financial requirements in any kind of business emerge every now and then for variety of reasons. With monetary outgo from businesses also being a regular feature, as a net result taking a loan becomes inseparable part of any business. Taking this view into consideration, commercial business loans are now especially designed to suit different needs of business people.
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If business persons do not want to offer any collateral to the lender, they can still take the loan through unsecured commercial loans. Under this option business persons provide proof of their steady income source and sound financial standing.
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