The allowed image_filter values are listed in the image_parsing module and are currently: FlateDecode (lossless zlib/deflate compression), DCTDecode (lossy compression with JPEG) and JPXDecode (lossy compression with JPEG2000).
The allowed image_filter values are listed in the image_parsing module and are currently: FlateDecode (lossless zlib/deflate compression), DCTDecode (lossy compression with JPEG) and JPXDecode (lossy compression with JPEG2000).