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we are going to learn jpg compression image compression so jpg and image compression standard that was developed by joint photographic experts group it is a lossy image compression its me the moment you are going to compress from raw image to compress the US form so some information loss so this compression is ten by discrete cosine transform so main step for jpg compression is first transform RGB image gravy image OTF or red green blue with a combination the color format my OTA lets go y IQ may convert Cathay so where Y determines the brightness and I Q represents the chrominance other yeu we may be ye determines the brightness of the image and UV is the color itself UV Gosk XY coordinates VN so keep boys eye missile to stop LM color transform cut them the colour transform jyi Q or or y UV make a little whiskey bath is key Im sampling cur then the Jobi image up key generate VM you see here this key sampling - a 8 cross 8 mega dia this cookie those are eight column a - is sampled