In general, digital image have large amount of file size so that inefficient if wanted to save or transmit it to another place. We require a method to reduce the file. The method which used many is compression. One of them is JPEG compression. At this compression, there is a parameter used to know the quality of compression called quality parameter. So that necessary to check quality parameter effect on JPEG compression to digital images and compression ratio.  Keywords : compression, JPEG, quality
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