Are jpg and jpeg the same format?

Are jpg and jpeg the same format?

jpg and jpeg are the same format

jpg generally refers to the JPEG format, and JPEG (full name is Joint Photographic Experts Group) is a common An image format developed by the Joint Photographic Experts Group and named "ISO 10918-1". JPEG is just a common name.

The compression technology of the JPEG file extension is very advanced. It removes redundant images and color data, obtains extremely high compression rates, and displays very rich and vivid images. In other words, That is, you can get better image quality with the least disk space.

Extended information:

Format type

JPEG2000 is an upgraded version of JPEG , its compression rate is about 30% higher than JPEG, and it supports both lossy and lossless compression. An extremely important feature of the JPEG2000 format is that it can achieve progressive transmission, that is, first transmit the outline of the image, and then gradually transmit the data, continuously improving the image quality, allowing the image to be displayed from hazy to clear.

In addition, JPEG2000 also supports the so-called "region of interest" feature, which allows you to arbitrarily specify the compression quality of the area of ​​interest on the image, and you can also select the specified part to decompress first.

JPEG2000 has obvious advantages over JPEG and is backward compatible, so it can replace the traditional JPEG format. JPEG2000 can be used in traditional JPEG markets, such as scanners, digital cameras, etc., and can also be used in emerging fields, such as network transmission, wireless communications, etc.

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