How many formats can pictures be saved? What are the advantages of each?

1. bitmap) BMP is an image file format independent of hardware devices, which is widely used. It uses bitmap storage format and does not use any other compression except image depth, so BMP files take up a lot of space.

2.TIF is a common image file format developed by Aldus and Microsoft for desktop publishing system. TIFF format is flexible and changeable. It defines four different formats: TIFF-B is suitable for binary images, TIFF-G is suitable for black and white gray images; TIFF-P is suitable for color images with palette; TIFF-R is suitable for RGB true color images.

3.GIF format, image file format developed by 1987. The data of GIF file is a continuous tone lossless compression format based on LZW algorithm. Its compression ratio is generally around 50%, which does not belong to any application. Almost all related software supports it, and a large number of software in the public domain are using GIF image files.

4.JPEG, whose file name is ".. jpg" or ". Jpeg is the most commonly used image file format, which is formulated by the Software Development Association. It is a lossy compression format, which can compress the image in a small storage space, and the repeated or unimportant data in the image will be lost, so it is easy to destroy the image data.

5.EXIF, 1994 The image file format of digital camera advocated by Fuji Company is actually the same as JPEG format, but the difference is that it can also store exposure data such as shooting date, aperture, shutter and flash data, incidental information and small-size images.