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What PDF compression methods does it use?

compression methods PDF
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What PDF compression methods does it use?

0
10

For black and white images, CCITTFaxDecode (Group Fax 4) is used. For lossy grayscale and color image data, DCTDecode (JPEG) is used. For lossless grayscale and color image data, FlateDecode (Zip) is used.

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